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https://android.googlesource.com/kernel/common into lineage-17.1-caf-msm8998
This brings LA.UM.8.4.r1-05300-8x98.0 up to date with
https://android.googlesource.com/kernel/common/ android-4.4-p at commit:
f9991115f0793 Merge 4.4.219 into android-4.4-p
Conflicts:
drivers/clk/qcom/clk-rcg2.c
drivers/scsi/sd.c
drivers/usb/gadget/function/f_fs.c
drivers/usb/gadget/function/u_serial.c
Change-Id: Ifed3db0ddda828c1697e57e9f73c1b73354bebf7
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Changes in 4.4.218
spi: qup: call spi_qup_pm_resume_runtime before suspending
powerpc: Include .BTF section
ARM: dts: dra7: Add "dma-ranges" property to PCIe RC DT nodes
spi/zynqmp: remove entry that causes a cs glitch
drm/exynos: dsi: propagate error value and silence meaningless warning
drm/exynos: dsi: fix workaround for the legacy clock name
altera-stapl: altera_get_note: prevent write beyond end of 'key'
USB: Disable LPM on WD19's Realtek Hub
usb: quirks: add NO_LPM quirk for RTL8153 based ethernet adapters
USB: serial: option: add ME910G1 ECM composition 0x110b
usb: host: xhci-plat: add a shutdown
USB: serial: pl2303: add device-id for HP LD381
ALSA: line6: Fix endless MIDI read loop
ALSA: seq: virmidi: Fix running status after receiving sysex
ALSA: seq: oss: Fix running status after receiving sysex
ALSA: pcm: oss: Avoid plugin buffer overflow
ALSA: pcm: oss: Remove WARNING from snd_pcm_plug_alloc() checks
staging: rtl8188eu: Add device id for MERCUSYS MW150US v2
staging/speakup: fix get_word non-space look-ahead
intel_th: Fix user-visible error codes
rtc: max8907: add missing select REGMAP_IRQ
memcg: fix NULL pointer dereference in __mem_cgroup_usage_unregister_event
mm: slub: be more careful about the double cmpxchg of freelist
mm, slub: prevent kmalloc_node crashes and memory leaks
x86/mm: split vmalloc_sync_all()
USB: cdc-acm: fix close_delay and closing_wait units in TIOCSSERIAL
USB: cdc-acm: fix rounding error in TIOCSSERIAL
kbuild: Disable -Wpointer-to-enum-cast
futex: Fix inode life-time issue
futex: Unbreak futex hashing
ALSA: hda/realtek: Fix pop noise on ALC225
arm64: smp: fix smp_send_stop() behaviour
Revert "drm/dp_mst: Skip validating ports during destruction, just ref"
hsr: fix general protection fault in hsr_addr_is_self()
net: dsa: Fix duplicate frames flooded by learning
net_sched: cls_route: remove the right filter from hashtable
net_sched: keep alloc_hash updated after hash allocation
NFC: fdp: Fix a signedness bug in fdp_nci_send_patch()
slcan: not call free_netdev before rtnl_unlock in slcan_open
vxlan: check return value of gro_cells_init()
hsr: use rcu_read_lock() in hsr_get_node_{list/status}()
hsr: add restart routine into hsr_get_node_list()
hsr: set .netnsok flag
vhost: Check docket sk_family instead of call getname
IB/ipoib: Do not warn if IPoIB debugfs doesn't exist
uapi glibc compat: fix outer guard of net device flags enum
KVM: VMX: Do not allow reexecute_instruction() when skipping MMIO instr
drivers/hwspinlock: use correct radix tree API
net: ipv4: don't let PMTU updates increase route MTU
cpupower: avoid multiple definition with gcc -fno-common
dt-bindings: net: FMan erratum A050385
scsi: ipr: Fix softlockup when rescanning devices in petitboot
mac80211: Do not send mesh HWMP PREQ if HWMP is disabled
sxgbe: Fix off by one in samsung driver strncpy size arg
i2c: hix5hd2: add missed clk_disable_unprepare in remove
perf probe: Do not depend on dwfl_module_addrsym()
scripts/dtc: Remove redundant YYLOC global declaration
scsi: sd: Fix optimal I/O size for devices that change reported values
mac80211: mark station unauthorized before key removal
genirq: Fix reference leaks on irq affinity notifiers
vti[6]: fix packet tx through bpf_redirect() in XinY cases
xfrm: fix uctx len check in verify_sec_ctx_len
xfrm: add the missing verify_sec_ctx_len check in xfrm_add_acquire
xfrm: policy: Fix doulbe free in xfrm_policy_timer
vti6: Fix memory leak of skb if input policy check fails
tools: Let O= makes handle a relative path with -C option
USB: serial: option: add support for ASKEY WWHC050
USB: serial: option: add BroadMobi BM806U
USB: serial: option: add Wistron Neweb D19Q1
USB: cdc-acm: restore capability check order
USB: serial: io_edgeport: fix slab-out-of-bounds read in edge_interrupt_callback
usb: musb: fix crash with highmen PIO and usbmon
media: flexcop-usb: fix endpoint sanity check
media: usbtv: fix control-message timeouts
staging: rtl8188eu: Add ASUS USB-N10 Nano B1 to device table
staging: wlan-ng: fix use-after-free Read in hfa384x_usbin_callback
libfs: fix infoleak in simple_attr_read()
media: ov519: add missing endpoint sanity checks
media: dib0700: fix rc endpoint lookup
media: stv06xx: add missing descriptor sanity checks
media: xirlink_cit: add missing descriptor sanity checks
vt: selection, introduce vc_is_sel
vt: ioctl, switch VT_IS_IN_USE and VT_BUSY to inlines
vt: switch vt_dont_switch to bool
vt: vt_ioctl: remove unnecessary console allocation checks
vt: vt_ioctl: fix VT_DISALLOCATE freeing in-use virtual console
locking/atomic, kref: Add kref_read()
vt: vt_ioctl: fix use-after-free in vt_in_use()
bpf: Explicitly memset the bpf_attr structure
net: ks8851-ml: Fix IO operations, again
perf map: Fix off by one in strncpy() size argument
Linux 4.4.218
Change-Id: I8de6cf91805269943a4c08f8b08e6a0b8539c08e
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 2c935bc57221cc2edc787c72ea0e2d30cdcd3d5e upstream.
Since we need to change the implementation, stop exposing internals.
Provide kref_read() to read the current reference count; typically
used for debug messages.
Kills two anti-patterns:
atomic_read(&kref->refcount)
kref->refcount.counter
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
[only add kref_read() to kref.h for stable backports - gregkh]
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f400991bf872debffb01c46da882dc97d7e3248e upstream.
vt_dont_switch is pure boolean, no need for whole char.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20200219073951.16151-6-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit dce05aa6eec977f1472abed95ccd71276b9a3864 upstream.
Avoid global variables (namely sel_cons) by introducing vc_is_sel. It
checks whether the parameter is the current selection console. This will
help putting sel_cons to a struct later.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20200219073951.16151-1-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit efc45154828ae4e49c6b46f59882bfef32697d44 ]
Fix a wrong condition preventing the higher net device flags
IFF_LOWER_UP etc to be defined if net/if.h is included before
linux/if.h.
The comment makes it clear the intention was to allow partial
definition with either parts.
This fixes compilation of userspace programs trying to use
IFF_LOWER_UP, IFF_DORMANT or IFF_ECHO.
Fixes: 4a91cb61bb99 ("uapi glibc compat: fix compile errors when glibc net/if.h included before linux/if.h")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Reviewed-by: Mikko Rapeli <mikko.rapeli@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 8019ad13ef7f64be44d4f892af9c840179009254 upstream.
As reported by Jann, ihold() does not in fact guarantee inode
persistence. And instead of making it so, replace the usage of inode
pointers with a per boot, machine wide, unique inode identifier.
This sequence number is global, but shared (file backed) futexes are
rare enough that this should not become a performance issue.
Reported-by: Jann Horn <jannh@google.com>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 763802b53a427ed3cbd419dbba255c414fdd9e7c upstream.
Commit 3f8fd02b1bf1 ("mm/vmalloc: Sync unmappings in
__purge_vmap_area_lazy()") introduced a call to vmalloc_sync_all() in
the vunmap() code-path. While this change was necessary to maintain
correctness on x86-32-pae kernels, it also adds additional cycles for
architectures that don't need it.
Specifically on x86-64 with CONFIG_VMAP_STACK=y some people reported
severe performance regressions in micro-benchmarks because it now also
calls the x86-64 implementation of vmalloc_sync_all() on vunmap(). But
the vmalloc_sync_all() implementation on x86-64 is only needed for newly
created mappings.
To avoid the unnecessary work on x86-64 and to gain the performance
back, split up vmalloc_sync_all() into two functions:
* vmalloc_sync_mappings(), and
* vmalloc_sync_unmappings()
Most call-sites to vmalloc_sync_all() only care about new mappings being
synchronized. The only exception is the new call-site added in the
above mentioned commit.
Shile Zhang directed us to a report of an 80% regression in reaim
throughput.
Fixes: 3f8fd02b1bf1 ("mm/vmalloc: Sync unmappings in __purge_vmap_area_lazy()")
Reported-by: kernel test robot <oliver.sang@intel.com>
Reported-by: Shile Zhang <shile.zhang@linux.alibaba.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Borislav Petkov <bp@suse.de>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> [GHES]
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20191009124418.8286-1-joro@8bytes.org
Link: https://lists.01.org/hyperkitty/list/lkp@lists.01.org/thread/4D3JPPHBNOSPFK2KEPC6KGKS6J25AIDB/
Link: http://lkml.kernel.org/r/20191113095530.228959-1-shile.zhang@linux.alibaba.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Changes in 4.4.217
NFS: Remove superfluous kmap in nfs_readdir_xdr_to_array
r8152: check disconnect status after long sleep
net: nfc: fix bounds checking bugs on "pipe"
bnxt_en: reinitialize IRQs when MTU is modified
fib: add missing attribute validation for tun_id
nl802154: add missing attribute validation
nl802154: add missing attribute validation for dev_type
team: add missing attribute validation for port ifindex
team: add missing attribute validation for array index
nfc: add missing attribute validation for SE API
nfc: add missing attribute validation for vendor subcommand
ipvlan: add cond_resched_rcu() while processing muticast backlog
ipvlan: do not add hardware address of master to its unicast filter list
ipvlan: egress mcast packets are not exceptional
ipvlan: do not use cond_resched_rcu() in ipvlan_process_multicast()
ipvlan: don't deref eth hdr before checking it's set
macvlan: add cond_resched() during multicast processing
net: fec: validate the new settings in fec_enet_set_coalesce()
slip: make slhc_compress() more robust against malicious packets
bonding/alb: make sure arp header is pulled before accessing it
net: fq: add missing attribute validation for orphan mask
iommu/vt-d: quirk_ioat_snb_local_iommu: replace WARN_TAINT with pr_warn + add_taint
drm/amd/display: remove duplicated assignment to grph_obj_type
gfs2_atomic_open(): fix O_EXCL|O_CREAT handling on cold dcache
KVM: x86: clear stale x86_emulate_ctxt->intercept value
ARC: define __ALIGN_STR and __ALIGN symbols for ARC
efi: Fix a race and a buffer overflow while reading efivars via sysfs
iommu/vt-d: dmar: replace WARN_TAINT with pr_warn + add_taint
iommu/vt-d: Fix a bug in intel_iommu_iova_to_phys() for huge page
nl80211: add missing attribute validation for critical protocol indication
nl80211: add missing attribute validation for channel switch
netfilter: cthelper: add missing attribute validation for cthelper
iommu/vt-d: Fix the wrong printing in RHSA parsing
iommu/vt-d: Ignore devices with out-of-spec domain number
mwifiex: Fix heap overflow in mmwifiex_process_tdls_action_frame()
ipv6: restrict IPV6_ADDRFORM operation
efi: Add a sanity check to efivar_store_raw()
batman-adv: Fix invalid read while copying bat_iv.bcast_own
batman-adv: Only put gw_node list reference when removed
batman-adv: Only put orig_node_vlan list reference when removed
batman-adv: Avoid endless loop in bat-on-bat netdevice check
batman-adv: Fix unexpected free of bcast_own on add_if error
batman-adv: Fix integer overflow in batadv_iv_ogm_calc_tq
batman-adv: init neigh node last seen field
batman-adv: Deactivate TO_BE_ACTIVATED hardif on shutdown
batman-adv: Drop reference to netdevice on last reference
batman-adv: Fix reference counting of vlan object for tt_local_entry
batman-adv: Avoid duplicate neigh_node additions
batman-adv: fix skb deref after free
batman-adv: Fix use-after-free/double-free of tt_req_node
batman-adv: Fix ICMP RR ethernet access after skb_linearize
batman-adv: Clean up untagged vlan when destroying via rtnl-link
batman-adv: Avoid nullptr dereference in bla after vlan_insert_tag
batman-adv: Avoid nullptr dereference in dat after vlan_insert_tag
batman-adv: Fix orig_node_vlan leak on orig_node_release
batman-adv: lock crc access in bridge loop avoidance
batman-adv: Fix non-atomic bla_claim::backbone_gw access
batman-adv: Fix reference leak in batadv_find_router
batman-adv: Free last_bonding_candidate on release of orig_node
batman-adv: Fix speedy join in gateway client mode
batman-adv: Add missing refcnt for last_candidate
batman-adv: Fix double free during fragment merge error
batman-adv: Fix transmission of final, 16th fragment
batman-adv: Fix rx packet/bytes stats on local ARP reply
batman-adv: fix TT sync flag inconsistencies
batman-adv: Fix lock for ogm cnt access in batadv_iv_ogm_calc_tq
batman-adv: Fix internal interface indices types
batman-adv: update data pointers after skb_cow()
batman-adv: Fix skbuff rcsum on packet reroute
batman-adv: Avoid race in TT TVLV allocator helper
batman-adv: Fix TT sync flags for intermediate TT responses
batman-adv: prevent TT request storms by not sending inconsistent TT TLVLs
batman-adv: Fix debugfs path for renamed hardif
batman-adv: Fix debugfs path for renamed softif
batman-adv: Avoid storing non-TT-sync flags on singular entries too
batman-adv: Prevent duplicated gateway_node entry
batman-adv: Prevent duplicated nc_node entry
batman-adv: Prevent duplicated global TT entry
batman-adv: Prevent duplicated tvlv handler
batman-adv: Reduce claim hash refcnt only for removed entry
batman-adv: Reduce tt_local hash refcnt only for removed entry
batman-adv: Reduce tt_global hash refcnt only for removed entry
batman-adv: Only read OGM tvlv_len after buffer len check
batman-adv: Avoid free/alloc race when handling OGM buffer
batman-adv: Don't schedule OGM for disabled interface
perf/amd/uncore: Replace manual sampling check with CAP_NO_INTERRUPT flag
net: ks8851-ml: Fix IRQ handling and locking
signal: avoid double atomic counter increments for user accounting
jbd2: fix data races at struct journal_head
ARM: 8957/1: VDSO: Match ARMv8 timer in cntvct_functional()
ARM: 8958/1: rename missed uaccess .fixup section
mm: slub: add missing TID bump in kmem_cache_alloc_bulk()
ipv4: ensure rcu_read_lock() in cipso_v4_error()
Linux 4.4.217
Change-Id: Ic8c9ec91c66a9a0bb0b6291ad0a5101d18889a67
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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[ Upstream commit 4c16d64ea04056f1b1b324ab6916019f6a064114 ]
Add missing netlink policy entry for FRA_TUN_ID.
Fixes: e7030878fc84 ("fib: Add fib rule match on tunnel id")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Changes in 4.4.216
iwlwifi: pcie: fix rb_allocator workqueue allocation
ext4: fix potential race between online resizing and write operations
ext4: fix potential race between s_flex_groups online resizing and access
ext4: fix potential race between s_group_info online resizing and access
ipmi:ssif: Handle a possible NULL pointer reference
mac80211: consider more elements in parsing CRC
cfg80211: check wiphy driver existence for drvinfo report
cifs: Fix mode output in debugging statements
cfg80211: add missing policy for NL80211_ATTR_STATUS_CODE
sysrq: Restore original console_loglevel when sysrq disabled
sysrq: Remove duplicated sysrq message
net: fib_rules: Correctly set table field when table number exceeds 8 bits
net: phy: restore mdio regs in the iproc mdio driver
ipv6: Fix nlmsg_flags when splitting a multipath route
ipv6: Fix route replacement with dev-only route
sctp: move the format error check out of __sctp_sf_do_9_1_abort
nfc: pn544: Fix occasional HW initialization failure
net: sched: correct flower port blocking
ext4: potential crash on allocation error in ext4_alloc_flex_bg_array()
audit: fix error handling in audit_data_to_entry()
HID: core: fix off-by-one memset in hid_report_raw_event()
HID: core: increase HID report buffer size to 8KiB
HID: hiddev: Fix race in in hiddev_disconnect()
MIPS: VPE: Fix a double free and a memory leak in 'release_vpe()'
i2c: jz4780: silence log flood on txabrt
ecryptfs: Fix up bad backport of fe2e082f5da5b4a0a92ae32978f81507ef37ec66
include/linux/bitops.h: introduce BITS_PER_TYPE
net: netlink: cap max groups which will be considered in netlink_bind()
namei: only return -ECHILD from follow_dotdot_rcu()
KVM: Check for a bad hva before dropping into the ghc slow path
slip: stop double free sl->dev in slip_open
mm: make page ref count overflow check tighter and more explicit
mm: add 'try_get_page()' helper function
mm, gup: remove broken VM_BUG_ON_PAGE compound check for hugepages
mm, gup: ensure real head page is ref-counted when using hugepages
mm: prevent get_user_pages() from overflowing page refcount
pipe: add pipe_buf_get() helper
fs: prevent page refcount overflow in pipe_buf_get
audit: always check the netlink payload length in audit_receive_msg()
serial: ar933x_uart: set UART_CS_{RX,TX}_READY_ORIDE
usb: gadget: ffs: ffs_aio_cancel(): Save/restore IRQ flags
usb: gadget: serial: fix Tx stall after buffer overflow
drm: msm: Fix return type of dsi_mgr_connector_mode_valid for kCFI
drm/msm/dsi: save pll state before dsi host is powered off
net: ks8851-ml: Remove 8-bit bus accessors
net: ks8851-ml: Fix 16-bit data access
net: ks8851-ml: Fix 16-bit IO operation
watchdog: da9062: do not ping the hw during stop()
s390/cio: cio_ignore_proc_seq_next should increase position index
cifs: don't leak -EAGAIN for stat() during reconnect
usb: storage: Add quirk for Samsung Fit flash
usb: quirks: add NO_LPM quirk for Logitech Screen Share
usb: core: hub: do error out if usb_autopm_get_interface() fails
usb: core: port: do error out if usb_autopm_get_interface() fails
vgacon: Fix a UAF in vgacon_invert_region
fat: fix uninit-memory access for partial initialized inode
vt: selection, close sel_buffer race
vt: selection, push console lock down
vt: selection, push sel_lock up
dmaengine: tegra-apb: Fix use-after-free
dmaengine: tegra-apb: Prevent race conditions of tasklet vs free list
ASoC: pcm: Fix possible buffer overflow in dpcm state sysfs output
ASoC: pcm512x: Fix unbalanced regulator enable call in probe error path
ASoC: dapm: Correct DAPM handling of active widgets during shutdown
RDMA/iwcm: Fix iwcm work deallocation
RMDA/cm: Fix missing ib_cm_destroy_id() in ib_cm_insert_listen()
ARM: imx: build v7_cpu_resume() unconditionally
hwmon: (adt7462) Fix an error return in ADT7462_REG_VOLT()
dmaengine: coh901318: Fix a double lock bug in dma_tc_handle()
powerpc: fix hardware PMU exception bug on PowerVM compatibility mode systems
dm cache: fix a crash due to incorrect work item cancelling
crypto: algif_skcipher - use ZERO_OR_NULL_PTR in skcipher_recvmsg_async
Linux 4.4.216
Change-Id: I9b747fb2a39b1137ee4ec9c5bb2c1aac2419e97b
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 15fab63e1e57be9fdb5eec1bbc5916e9825e9acb upstream.
Change pipe_buf_get() to return a bool indicating whether it succeeded
in raising the refcount of the page (if the thing in the pipe is a page).
This removes another mechanism for overflowing the page refcount. All
callers converted to handle a failure.
Reported-by: Jann Horn <jannh@google.com>
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[ 4.4.y backport notes:
Regarding the change in generic_pipe_buf_get(), note that
page_cache_get() is the same as get_page(). See mainline commit
09cbfeaf1a5a6 "mm, fs: get rid of PAGE_CACHE_* and
page_cache_{get,release} macros" for context. ]
Signed-off-by: Ajay Kaher <akaher@vmware.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 7bf2d1df80822ec056363627e2014990f068f7aa upstream.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Ajay Kaher <akaher@vmware.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8fde12ca79aff9b5ba951fce1a2641901b8d8e64 upstream.
If the page refcount wraps around past zero, it will be freed while
there are still four billion references to it. One of the possible
avenues for an attacker to try to make this happen is by doing direct IO
on a page multiple times. This patch makes get_user_pages() refuse to
take a new page reference if there are already more than two billion
references to the page.
Reported-by: Jann Horn <jannh@google.com>
Acked-by: Matthew Wilcox <willy@infradead.org>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[ 4.4.y backport notes:
Ajay: - Added local variable 'err' with-in follow_hugetlb_page()
from 2be7cfed995e, to resolve compilation error
- Added page_ref_count()
- Added missing refcount overflow checks on x86 and s390
(Vlastimil, thanks for this change)
Srivatsa: - Replaced call to get_page_foll() with try_get_page_foll() ]
Signed-off-by: Srivatsa S. Bhat (VMware) <srivatsa@csail.mit.edu>
Signed-off-by: Ajay Kaher <akaher@vmware.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 88b1a17dfc3ed7728316478fae0f5ad508f50397 upsteam.
This is the same as the traditional 'get_page()' function, but instead
of unconditionally incrementing the reference count of the page, it only
does so if the count was "safe". It returns whether the reference count
was incremented (and is marked __must_check, since the caller obviously
has to be aware of it).
Also like 'get_page()', you can't use this function unless you already
had a reference to the page. The intent is that you can use this
exactly like get_page(), but in situations where you want to limit the
maximum reference count.
The code currently does an unconditional WARN_ON_ONCE() if we ever hit
the reference count issues (either zero or negative), as a notification
that the conditional non-increment actually happened.
NOTE! The count access for the "safety" check is inherently racy, but
that doesn't matter since the buffer we use is basically half the range
of the reference count (ie we look at the sign of the count).
Acked-by: Matthew Wilcox <willy@infradead.org>
Cc: Jann Horn <jannh@google.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[ 4.4.y backport notes:
Srivatsa:
- Adapted try_get_page() to match the get_page()
implementation in 4.4.y, except for the refcount check.
- Added try_get_page_foll() which will be needed
in a subsequent patch. ]
Signed-off-by: Srivatsa S. Bhat (VMware) <srivatsa@csail.mit.edu>
Signed-off-by: Ajay Kaher <akaher@vmware.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f958d7b528b1b40c44cfda5eabe2d82760d868c3 upsteam.
We have a VM_BUG_ON() to check that the page reference count doesn't
underflow (or get close to overflow) by checking the sign of the count.
That's all fine, but we actually want to allow people to use a "get page
ref unless it's already very high" helper function, and we want that one
to use the sign of the page ref (without triggering this VM_BUG_ON).
Change the VM_BUG_ON to only check for small underflows (or _very_ close
to overflowing), and ignore overflows which have strayed into negative
territory.
Acked-by: Matthew Wilcox <willy@infradead.org>
Cc: Jann Horn <jannh@google.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[ 4.4.y backport notes:
Ajay: Open-coded atomic refcount access due to missing
page_ref_count() helper in 4.4.y
Srivatsa: Added overflow check to get_page_foll() and related code. ]
Signed-off-by: Srivatsa S. Bhat (VMware) <srivatsa@csail.mit.edu>
Signed-off-by: Ajay Kaher <akaher@vmware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 9144d75e22cad3c89e6b2ccab551db9ee28d250a upstream.
net_dim.h has a rather useful extension to BITS_PER_BYTE to compute the
number of bits in a type (BITS_PER_BYTE * sizeof(T)), so promote the macro
to bitops.h, alongside BITS_PER_BYTE, for wider usage.
Link: http://lkml.kernel.org/r/20180706094458.14116-1-chris@chris-wilson.co.uk
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Andy Gospodarek <gospo@broadcom.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[only take the bitops.h portion for stable kernels - gregkh]
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 84a4062632462c4320704fcdf8e99e89e94c0aba upstream.
We have a HID touch device that reports its opens and shorts test
results in HID buffers of size 8184 bytes. The maximum size of the HID
buffer is currently set to 4096 bytes, causing probe of this device to
fail. With this patch we increase the maximum size of the HID buffer to
8192 bytes, making device probe and acquisition of said buffers succeed.
Signed-off-by: Johan Korsnes <jkorsnes@cisco.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Armando Visconti <armando.visconti@st.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 8a9093c79863b58cc2f9874d7ae788f0d622a596 ]
tc flower rules that are based on src or dst port blocking are sometimes
ineffective due to uninitialized stack data. __skb_flow_dissect() extracts
ports from the skb for tc flower to match against. However, the port
dissection is not done when when the FLOW_DIS_IS_FRAGMENT bit is set in
key_control->flags. All callers of __skb_flow_dissect(), zero-out the
key_control field except for fl_classify() as used by the flower
classifier. Thus, the FLOW_DIS_IS_FRAGMENT may be set on entry to
__skb_flow_dissect(), since key_control is allocated on the stack
and may not be initialized.
Since key_basic and key_control are present for all flow keys, let's
make sure they are initialized.
Fixes: 62230715fd24 ("flow_dissector: do not dissect l4 ports for fragments")
Co-developed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Jason Baron <jbaron@akamai.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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https://source.codeaurora.org/quic/la/kernel/msm-4.4 into lineage-17.1-caf-msm8998
* tag 'LA.UM.8.4.r1-05300-8x98.0' of https://source.codeaurora.org/quic/la/kernel/msm-4.4:
drivers/misc: check if mute_sink is a valid function pointer
mdss: msm: hdmi: fix CEC broadcast loopback issue
mdss: msm: hdmi: use circular buffer for CEC rx
mdss: msm: hdmi: add CEC clear_logical_addr sysnode
fbdev: msm: hdmi: read CEC msg before clearing interrupt
msm: mdss: hdcp: synchronize HDCP1 qseecom commands
msm: mdss: hdcp: handle hdcp1 mutex properly
msm: mdss: hdcp: set hdcpsrm_supported flag correctly
msm: mdss: hdmi: reset deep_color before parsing EDID
msm: mdss: mdp: update CDM CSC coefficients during HDR playback
msm: mdss: hdmi: update colorimetry in AVI infoframe
msm: mdss: hdmi: parse E-EDID's COLORIMETRY data block
msm: mdss: hdmi: modify min_enc_level logic
msm: mdss: edid: conditionally set rgb_support for Y420 EDID modes
msm: mdss: hdmi: validate EDID modes against max refresh rate
msm: mdss: hdmi: set the output bitdepth
msm: mdss: edid: modify the extended data block's length check
msm: mdss: hdmi: handle wake_irq on suspend/resume
msm: mdss: hdmi: handle HPD disconnect event during suspend
msm: mdss: hdmi: set colorimetry info in AVI infoframe
msm: mdss: hdmi: set quantization range in AVI infoframe
msm: mdss: mdp: configure CSC_10 to set correct quantization range
msm: mdss: hdmi: check if given resolution is CE video format
msm: mdss: hdcp: read V' only for non-zero device count repeater
msm: mdss: hdmi: set max tmds clock rate correctly
msm: mdss: fb: fix panel reconfiguration check for format change
msm: mdss: mdp: do null commit during panel reconfiguration
msm: mdss: hdmi: modify HPD polarity change setup
msm: mdss: hdmi: check HDMI 1.4 VSDB length
msm: mdss: hdmi: set max TMDS clock rate
msm: mdss: hdmi: fix parsing Y420CMDB block of EDID
msm: mdss: hdmi: override default resolution after parsing EDID
msm: mdss: hdmi: fix HDMI panel reconfiguration issue
msm: mdss: hdmi: fix handoff if deep color is supported by TV
msm: mdss: hdmi: support only progressive DTDs
fbdev: msm: check for hdmi as primary
msm: mdss: hdmi: parse extended EDID block map
msm: mdss: hdmi: reset sink_caps before parsing EDID
ARM: msm: dts: add splash memory region for APQ8098
msm: mdss: hdmi: skip pan_display during handoff
net: ipc_router: Do not allow change of default security rule
mm-camera2:isp2: Notify dual cam drop
msm: mdss: mdp: fix parsing total number of displays
Change-Id: I17f2df832abc746d23f89670c9a5b0aeb5e6d625
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In case of drop due to sw sync logic in
dual camera, need to update the isp page
with the number of frames that are dropped.
Change-Id: I18c4bbf781a5f1f2bf2f48518464b2e459ac7892
Signed-off-by: Meera Gande <mgande@codeaurora.org>
Signed-off-by: Sumalatha Malothu <smalot@codeaurora.org>
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https://android.googlesource.com/kernel/common into lineage-17.1-caf-msm8998
This brings LA.UM.8.4.r1-05200-8x98.0 up to date with
https://android.googlesource.com/kernel/common/ android-4.4-p at commit:
4db1ebdd40ec0 FROMLIST: HID: nintendo: add nintendo switch controller driver
Conflicts:
arch/arm64/boot/Makefile
arch/arm64/kernel/psci.c
arch/x86/configs/x86_64_cuttlefish_defconfig
drivers/md/dm.c
drivers/of/Kconfig
drivers/thermal/thermal_core.c
fs/proc/meminfo.c
kernel/locking/spinlock_debug.c
kernel/time/hrtimer.c
net/wireless/util.c
Change-Id: I5b5163497b7c6ab8487ffbb2d036e4cda01ed670
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Changes in 4.4.215
x86/vdso: Use RDPID in preference to LSL when available
KVM: x86: emulate RDPID
ALSA: hda: Use scnprintf() for printing texts for sysfs/procfs
ecryptfs: fix a memory leak bug in parse_tag_1_packet()
ecryptfs: fix a memory leak bug in ecryptfs_init_messaging()
ALSA: usb-audio: Apply sample rate quirk for Audioengine D1
ubifs: Fix deadlock in concurrent bulk-read and writepage
ext4: fix checksum errors with indexed dirs
Btrfs: fix race between using extent maps and merging them
btrfs: log message when rw remount is attempted with unclean tree-log
padata: Remove broken queue flushing
s390/time: Fix clk type in get_tod_clock
hwmon: (pmbus/ltc2978) Fix PMBus polling of MFR_COMMON definitions.
jbd2: move the clearing of b_modified flag to the journal_unmap_buffer()
jbd2: do not clear the BH_Mapped flag when forgetting a metadata buffer
btrfs: print message when tree-log replay starts
scsi: qla2xxx: fix a potential NULL pointer dereference
Revert "KVM: VMX: Add non-canonical check on writes to RTIT address MSRs"
drm/gma500: Fixup fbdev stolen size usage evaluation
brcmfmac: Fix use after free in brcmf_sdio_readframes()
gianfar: Fix TX timestamping with a stacked DSA driver
pinctrl: sh-pfc: sh7264: Fix CAN function GPIOs
media: i2c: mt9v032: fix enum mbus codes and frame sizes
media: sti: bdisp: fix a possible sleep-in-atomic-context bug in bdisp_device_run()
efi/x86: Map the entire EFI vendor string before copying it
MIPS: Loongson: Fix potential NULL dereference in loongson3_platform_init()
uio: fix a sleep-in-atomic-context bug in uio_dmem_genirq_irqcontrol()
usb: gadget: udc: fix possible sleep-in-atomic-context bugs in gr_probe()
nfs: NFS_SWAP should depend on SWAP
jbd2: clear JBD2_ABORT flag before journal_reset to update log tail info when load journal
tracing: Fix very unlikely race of registering two stat tracers
ext4, jbd2: ensure panic when aborting with zero errno
kconfig: fix broken dependency in randconfig-generated .config
clk: qcom: rcg2: Don't crash if our parent can't be found; return an error
drm/amdgpu: remove 4 set but not used variable in amdgpu_atombios_get_connector_info_from_object_table
regulator: rk808: Lower log level on optional GPIOs being not available
NFC: port100: Convert cpu_to_le16(le16_to_cpu(E1) + E2) to use le16_add_cpu().
reiserfs: Fix spurious unlock in reiserfs_fill_super() error handling
ALSA: usx2y: Adjust indentation in snd_usX2Y_hwdep_dsp_status
b43legacy: Fix -Wcast-function-type
ipw2x00: Fix -Wcast-function-type
iwlegacy: Fix -Wcast-function-type
rtlwifi: rtl_pci: Fix -Wcast-function-type
orinoco: avoid assertion in case of NULL pointer
ACPICA: Disassembler: create buffer fields in ACPI_PARSE_LOAD_PASS1
scsi: aic7xxx: Adjust indentation in ahc_find_syncrate
ARM: dts: r8a7779: Add device node for ARM global timer
x86/vdso: Provide missing include file
pinctrl: sh-pfc: sh7269: Fix CAN function GPIOs
ALSA: sh: Fix compile warning wrt const
tools lib api fs: Fix gcc9 stringop-truncation compilation error
usbip: Fix unsafe unaligned pointer usage
soc/tegra: fuse: Correct straps' address for older Tegra124 device trees
rcu: Use WRITE_ONCE() for assignments to ->pprev for hlist_nulls
Input: edt-ft5x06 - work around first register access error
wan: ixp4xx_hss: fix compile-testing on 64-bit
ASoC: atmel: fix build error with CONFIG_SND_ATMEL_SOC_DMA=m
PCI: Don't disable bridge BARs when assigning bus resources
driver core: Print device when resources present in really_probe()
drm/nouveau: Fix copy-paste error in nouveau_fence_wait_uevent_handler
drm/vmwgfx: prevent memory leak in vmw_cmdbuf_res_add
iommu/arm-smmu-v3: Use WRITE_ONCE() when changing validity of an STE
scsi: iscsi: Don't destroy session if there are outstanding connections
cmd64x: potential buffer overflow in cmd64x_program_timings()
ide: serverworks: potential overflow in svwks_set_pio_mode()
remoteproc: Initialize rproc_class before use
s390/ftrace: generate traced function stack frame
ALSA: hda - Add docking station support for Lenovo Thinkpad T420s
jbd2: switch to use jbd2_journal_abort() when failed to submit the commit record
ARM: 8951/1: Fix Kexec compilation issue.
hostap: Adjust indentation in prism2_hostapd_add_sta
iwlegacy: ensure loop counter addr does not wrap and cause an infinite loop
drm/nouveau/disp/nv50-: prevent oops when no channel method map provided
trigger_next should increase position index
radeon: insert 10ms sleep in dce5_crtc_load_lut
ocfs2: fix a NULL pointer dereference when call ocfs2_update_inode_fsync_trans()
lib/scatterlist.c: adjust indentation in __sg_alloc_table
reiserfs: prevent NULL pointer dereference in reiserfs_insert_item()
bcache: explicity type cast in bset_bkey_last()
irqchip/gic-v3-its: Reference to its_invall_cmd descriptor when building INVALL
microblaze: Prevent the overflow of the start
brd: check and limit max_part par
selinux: ensure we cleanup the internal AVC counters on error in avc_update()
enic: prevent waking up stopped tx queues over watchdog reset
floppy: check FDC index for errors before assigning it
staging: android: ashmem: Disallow ashmem memory from being remapped
staging: vt6656: fix sign of rx_dbm to bb_pre_ed_rssi.
usb: uas: fix a plug & unplug racing
USB: Fix novation SourceControl XL after suspend
USB: hub: Don't record a connect-change event during reset-resume
staging: rtl8188eu: Fix potential security hole
staging: rtl8188eu: Fix potential overuse of kernel memory
x86/mce/amd: Fix kobject lifetime
tty: serial: imx: setup the correct sg entry for tx dma
Revert "ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem()"
xhci: apply XHCI_PME_STUCK_QUIRK to Intel Comet Lake platforms
VT_RESIZEX: get rid of field-by-field copyin
vt: vt_ioctl: fix race in VT_RESIZEX
KVM: nVMX: Don't emulate instructions in guest mode
netfilter: xt_bpf: add overflow checks
ext4: fix a data race in EXT4_I(inode)->i_disksize
ext4: add cond_resched() to __ext4_find_entry()
KVM: nVMX: Refactor IO bitmap checks into helper function
KVM: nVMX: Check IO instruction VM-exit conditions
KVM: apic: avoid calculating pending eoi from an uninitialized val
Btrfs: fix btrfs_wait_ordered_range() so that it waits for all ordered extents
scsi: Revert "RDMA/isert: Fix a recently introduced regression related to logout"
scsi: Revert "target: iscsi: Wait for all commands to finish before freeing a session"
ecryptfs: replace BUG_ON with error handling code
ALSA: rawmidi: Avoid bit fields for state flags
ALSA: seq: Avoid concurrent access to queue flags
ALSA: seq: Fix concurrent access to queue current tick/time
xen: Enable interrupts when calling _cond_resched()
Linux 4.4.215
Change-Id: I32c4136741a79ab940022d590d5ace780290acbb
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit dfa9a5efe8b932a84b3b319250aa3ac60c20f876 upstream.
The rawmidi state flags (opened, append, active_sensing) are stored in
bit fields that can be potentially racy when concurrently accessed
without any locks. Although the current code should be fine, there is
also no any real benefit by keeping the bitfields for this kind of
short number of members.
This patch changes those bit fields flags to the simple bool fields.
There should be no size increase of the snd_rawmidi_substream by this
change.
Reported-by: syzbot+576cc007eb9f2c968200@syzkaller.appspotmail.com
Link: https://lore.kernel.org/r/20200214111316.26939-4-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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a session"
commit 807b9515b7d044cf77df31f1af9d842a76ecd5cb upstream.
Since commit e9d3009cb936 introduced a regression and since the fix for
that regression was not perfect, revert this commit.
Link: https://marc.info/?l=target-devel&m=158157054906195
Cc: Rahul Kundu <rahul.kundu@chelsio.com>
Cc: Mike Marciniszyn <mike.marciniszyn@intel.com>
Cc: Sagi Grimberg <sagi@grimberg.me>
Reported-by: Dakshaja Uppalapati <dakshaja@chelsio.com>
Fixes: e9d3009cb936 ("scsi: target: iscsi: Wait for all commands to finish before freeing a session")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 860c8802ace14c646864795e057349c9fb2d60ad ]
Eric Dumazet supplied a KCSAN report of a bug that forces use
of hlist_unhashed_lockless() from sk_unhashed():
------------------------------------------------------------------------
BUG: KCSAN: data-race in inet_unhash / inet_unhash
write to 0xffff8880a69a0170 of 8 bytes by interrupt on cpu 1:
__hlist_nulls_del include/linux/list_nulls.h:88 [inline]
hlist_nulls_del_init_rcu include/linux/rculist_nulls.h:36 [inline]
__sk_nulls_del_node_init_rcu include/net/sock.h:676 [inline]
inet_unhash+0x38f/0x4a0 net/ipv4/inet_hashtables.c:612
tcp_set_state+0xfa/0x3e0 net/ipv4/tcp.c:2249
tcp_done+0x93/0x1e0 net/ipv4/tcp.c:3854
tcp_write_err+0x7e/0xc0 net/ipv4/tcp_timer.c:56
tcp_retransmit_timer+0x9b8/0x16d0 net/ipv4/tcp_timer.c:479
tcp_write_timer_handler+0x42d/0x510 net/ipv4/tcp_timer.c:599
tcp_write_timer+0xd1/0xf0 net/ipv4/tcp_timer.c:619
call_timer_fn+0x5f/0x2f0 kernel/time/timer.c:1404
expire_timers kernel/time/timer.c:1449 [inline]
__run_timers kernel/time/timer.c:1773 [inline]
__run_timers kernel/time/timer.c:1740 [inline]
run_timer_softirq+0xc0c/0xcd0 kernel/time/timer.c:1786
__do_softirq+0x115/0x33f kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0xbb/0xe0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0xe6/0x280 arch/x86/kernel/apic/apic.c:1137
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830
native_safe_halt+0xe/0x10 arch/x86/kernel/paravirt.c:71
arch_cpu_idle+0x1f/0x30 arch/x86/kernel/process.c:571
default_idle_call+0x1e/0x40 kernel/sched/idle.c:94
cpuidle_idle_call kernel/sched/idle.c:154 [inline]
do_idle+0x1af/0x280 kernel/sched/idle.c:263
cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:355
start_secondary+0x208/0x260 arch/x86/kernel/smpboot.c:264
secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:241
read to 0xffff8880a69a0170 of 8 bytes by interrupt on cpu 0:
sk_unhashed include/net/sock.h:607 [inline]
inet_unhash+0x3d/0x4a0 net/ipv4/inet_hashtables.c:592
tcp_set_state+0xfa/0x3e0 net/ipv4/tcp.c:2249
tcp_done+0x93/0x1e0 net/ipv4/tcp.c:3854
tcp_write_err+0x7e/0xc0 net/ipv4/tcp_timer.c:56
tcp_retransmit_timer+0x9b8/0x16d0 net/ipv4/tcp_timer.c:479
tcp_write_timer_handler+0x42d/0x510 net/ipv4/tcp_timer.c:599
tcp_write_timer+0xd1/0xf0 net/ipv4/tcp_timer.c:619
call_timer_fn+0x5f/0x2f0 kernel/time/timer.c:1404
expire_timers kernel/time/timer.c:1449 [inline]
__run_timers kernel/time/timer.c:1773 [inline]
__run_timers kernel/time/timer.c:1740 [inline]
run_timer_softirq+0xc0c/0xcd0 kernel/time/timer.c:1786
__do_softirq+0x115/0x33f kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0xbb/0xe0 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0xe6/0x280 arch/x86/kernel/apic/apic.c:1137
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830
native_safe_halt+0xe/0x10 arch/x86/kernel/paravirt.c:71
arch_cpu_idle+0x1f/0x30 arch/x86/kernel/process.c:571
default_idle_call+0x1e/0x40 kernel/sched/idle.c:94
cpuidle_idle_call kernel/sched/idle.c:154 [inline]
do_idle+0x1af/0x280 kernel/sched/idle.c:263
cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:355
rest_init+0xec/0xf6 init/main.c:452
arch_call_rest_init+0x17/0x37
start_kernel+0x838/0x85e init/main.c:786
x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:490
x86_64_start_kernel+0x72/0x76 arch/x86/kernel/head64.c:471
secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:241
Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-rc6+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine,
BIOS Google 01/01/2011
------------------------------------------------------------------------
This commit therefore replaces C-language assignments with WRITE_ONCE()
in include/linux/list_nulls.h and include/linux/rculist_nulls.h.
Reported-by: Eric Dumazet <edumazet@google.com> # For KCSAN
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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Changes in 4.4.213
ALSA: pcm: Add missing copy ops check before clearing buffer
orinoco_usb: fix interface sanity check
rsi_91x_usb: fix interface sanity check
USB: serial: ir-usb: add missing endpoint sanity check
USB: serial: ir-usb: fix link-speed handling
USB: serial: ir-usb: fix IrLAP framing
staging: most: net: fix buffer overflow
staging: wlan-ng: ensure error return is actually returned
staging: vt6656: correct packet types for CTS protect, mode.
staging: vt6656: use NULLFUCTION stack on mac80211
staging: vt6656: Fix false Tx excessive retries reporting.
ath9k: fix storage endpoint lookup
brcmfmac: fix interface sanity check
rtl8xxxu: fix interface sanity check
zd1211rw: fix storage endpoint lookup
watchdog: rn5t618_wdt: fix module aliases
drivers/net/b44: Change to non-atomic bit operations on pwol_mask
net: wan: sdla: Fix cast from pointer to integer of different size
atm: eni: fix uninitialized variable warning
usb-storage: Disable UAS on JMicron SATA enclosure
net_sched: ematch: reject invalid TCF_EM_SIMPLE
crypto: af_alg - Use bh_lock_sock in sk_destruct
vfs: fix do_last() regression
crypto: pcrypt - Fix user-after-free on module unload
arm64: kbuild: remove compressed images on 'make ARCH=arm64 (dist)clean'
mm/mempolicy.c: fix out of bounds write in mpol_parse_str()
reiserfs: Fix memory leak of journal device string
media: digitv: don't continue if remote control state can't be read
media: gspca: zero usb_buf
media: dvb-usb/dvb-usb-urb.c: initialize actlen to 0
ttyprintk: fix a potential deadlock in interrupt context issue
usb: dwc3: turn off VBUS when leaving host mode
media: si470x-i2c: Move free() past last use of 'radio'
clk: mmp2: Fix the order of timer mux parents
ixgbevf: Remove limit of 10 entries for unicast filter list
ixgbe: Fix calculation of queue with VFs and flow director on interface flap
wireless: wext: avoid gcc -O3 warning
vti[6]: fix packet tx through bpf_redirect()
scsi: fnic: do not queue commands during fwreset
airo: Fix possible info leak in AIROOLDIOCTL/SIOCDEVPRIVATE
airo: Add missing CAP_NET_ADMIN check in AIROOLDIOCTL/SIOCDEVPRIVATE
r8152: get default setting of WOL before initializing
qlcnic: Fix CPU soft lockup while collecting firmware dump
net/fsl: treat fsl,erratum-a011043
net/sonic: Add mutual exclusion for accessing shared state
net/sonic: Use MMIO accessors
net/sonic: Fix receive buffer handling
net/sonic: Quiesce SONIC before re-initializing descriptor memory
seq_tab_next() should increase position index
l2t_seq_next should increase position index
net: Fix skb->csum update in inet_proto_csum_replace16().
btrfs: fix mixed block count of available space
btrfs: do not zero f_bavail if we have available space
Linux 4.4.213
Change-Id: I73645dfdd970faeb188ee4245ad5105256cd0283
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 17a0184ca17e288decdca8b2841531e34d49285f upstream.
Commit e0d795e4f36c ("usb: irda: cleanup on ir-usb module") added a USB
IrDA header with common defines, but mistakingly switched to using the
class-descriptor baud-rate bitmask values for the outbound header.
This broke link-speed handling for rates above 9600 baud, but a device
would also be able to operate at the default 9600 baud until a
link-speed request was issued (e.g. using the TCGETS ioctl).
Fixes: e0d795e4f36c ("usb: irda: cleanup on ir-usb module")
Cc: stable <stable@vger.kernel.org> # 2.6.27
Cc: Felipe Balbi <balbi@kernel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Changes in 4.4.212
xfs: Sanity check flags of Q_XQUOTARM call
powerpc/archrandom: fix arch_get_random_seed_int()
mt7601u: fix bbp version check in mt7601u_wait_bbp_ready
drm/virtio: fix bounds check in virtio_gpu_cmd_get_capset()
ALSA: hda: fix unused variable warning
ALSA: usb-audio: update quirk for B&W PX to remove microphone
staging: comedi: ni_mio_common: protect register write overflow
pcrypt: use format specifier in kobject_add
exportfs: fix 'passing zero to ERR_PTR()' warning
drm/dp_mst: Skip validating ports during destruction, just ref
pinctrl: sh-pfc: r8a7740: Add missing REF125CK pin to gether_gmii group
pinctrl: sh-pfc: r8a7740: Add missing LCD0 marks to lcd0_data24_1 group
pinctrl: sh-pfc: r8a7791: Remove bogus ctrl marks from qspi_data4_b group
pinctrl: sh-pfc: r8a7791: Remove bogus marks from vin1_b_data18 group
pinctrl: sh-pfc: sh73a0: Add missing TO pin to tpu4_to3 group
pinctrl: sh-pfc: r8a7794: Remove bogus IPSR9 field
pinctrl: sh-pfc: sh7734: Add missing IPSR11 field
pinctrl: sh-pfc: sh7269: Add missing PCIOR0 field
pinctrl: sh-pfc: sh7734: Remove bogus IPSR10 value
Input: nomadik-ske-keypad - fix a loop timeout test
clk: highbank: fix refcount leak in hb_clk_init()
clk: qoriq: fix refcount leak in clockgen_init()
clk: socfpga: fix refcount leak
clk: samsung: exynos4: fix refcount leak in exynos4_get_xom()
clk: imx6q: fix refcount leak in imx6q_clocks_init()
clk: imx6sx: fix refcount leak in imx6sx_clocks_init()
clk: imx7d: fix refcount leak in imx7d_clocks_init()
clk: vf610: fix refcount leak in vf610_clocks_init()
clk: armada-370: fix refcount leak in a370_clk_init()
clk: kirkwood: fix refcount leak in kirkwood_clk_init()
clk: armada-xp: fix refcount leak in axp_clk_init()
IB/usnic: Fix out of bounds index check in query pkey
RDMA/ocrdma: Fix out of bounds index check in query pkey
media: s5p-jpeg: Correct step and max values for V4L2_CID_JPEG_RESTART_INTERVAL
crypto: tgr192 - fix unaligned memory access
ASoC: imx-sgtl5000: put of nodes if finding codec fails
rtc: cmos: ignore bogus century byte
tty: ipwireless: Fix potential NULL pointer dereference
rtc: ds1672: fix unintended sign extension
rtc: 88pm860x: fix unintended sign extension
rtc: 88pm80x: fix unintended sign extension
rtc: pm8xxx: fix unintended sign extension
fbdev: chipsfb: remove set but not used variable 'size'
pinctrl: sh-pfc: emev2: Add missing pinmux functions
pinctrl: sh-pfc: r8a7791: Fix scifb2_data_c pin group
pinctrl: sh-pfc: sh73a0: Fix fsic_spdif pin groups
block: don't use bio->bi_vcnt to figure out segment number
vfio_pci: Enable memory accesses before calling pci_map_rom
cdc-wdm: pass return value of recover_from_urb_loss
drm/nouveau/bios/ramcfg: fix missing parentheses when calculating RON
drm/nouveau/pmu: don't print reply values if exec is false
ASoC: qcom: Fix of-node refcount unbalance in apq8016_sbc_parse_of()
fs/nfs: Fix nfs_parse_devname to not modify it's argument
clocksource/drivers/sun5i: Fail gracefully when clock rate is unavailable
ARM: 8847/1: pm: fix HYP/SVC mode mismatch when MCPM is used
regulator: wm831x-dcdc: Fix list of wm831x_dcdc_ilim from mA to uA
nios2: ksyms: Add missing symbol exports
scsi: megaraid_sas: reduce module load time
xen, cpu_hotplug: Prevent an out of bounds access
net: sh_eth: fix a missing check of of_get_phy_mode
media: ivtv: update *pos correctly in ivtv_read_pos()
media: cx18: update *pos correctly in cx18_read_pos()
media: wl128x: Fix an error code in fm_download_firmware()
media: cx23885: check allocation return
jfs: fix bogus variable self-initialization
m68k: mac: Fix VIA timer counter accesses
ARM: OMAP2+: Fix potentially uninitialized return value for _setup_reset()
media: davinci-isif: avoid uninitialized variable use
spi: tegra114: clear packed bit for unpacked mode
spi: tegra114: fix for unpacked mode transfers
soc/fsl/qe: Fix an error code in qe_pin_request()
spi: bcm2835aux: fix driver to not allow 65535 (=-1) cs-gpios
ehea: Fix a copy-paste err in ehea_init_port_res
scsi: qla2xxx: Unregister chrdev if module initialization fails
ARM: pxa: ssp: Fix "WARNING: invalid free of devm_ allocated data"
hwmon: (w83627hf) Use request_muxed_region for Super-IO accesses
tipc: set sysctl_tipc_rmem and named_timeout right range
powerpc: vdso: Make vdso32 installation conditional in vdso_install
media: ov2659: fix unbalanced mutex_lock/unlock
6lowpan: Off by one handling ->nexthdr
dmaengine: axi-dmac: Don't check the number of frames for alignment
ALSA: usb-audio: Handle the error from snd_usb_mixer_apply_create_quirk()
packet: in recvmsg msg_name return at least sizeof sockaddr_ll
ASoC: fix valid stream condition
IB/mlx5: Add missing XRC options to QP optional params mask
iommu/vt-d: Make kernel parameter igfx_off work with vIOMMU
media: omap_vout: potential buffer overflow in vidioc_dqbuf()
media: davinci/vpbe: array underflow in vpbe_enum_outputs()
platform/x86: alienware-wmi: printing the wrong error code
netfilter: ebtables: CONFIG_COMPAT: reject trailing data after last rule
ARM: riscpc: fix lack of keyboard interrupts after irq conversion
kdb: do a sanity check on the cpu in kdb_per_cpu()
backlight: lm3630a: Return 0 on success in update_status functions
thermal: cpu_cooling: Actually trace CPU load in thermal_power_cpu_get_power
spi: spi-fsl-spi: call spi_finalize_current_message() at the end
misc: sgi-xp: Properly initialize buf in xpc_get_rsvd_page_pa
iommu: Use right function to get group for device
signal/cifs: Fix cifs_put_tcp_session to call send_sig instead of force_sig
inet: frags: call inet_frags_fini() after unregister_pernet_subsys()
media: vivid: fix incorrect assignment operation when setting video mode
powerpc/cacheinfo: add cacheinfo_teardown, cacheinfo_rebuild
drm/msm/mdp5: Fix mdp5_cfg_init error return
net/af_iucv: always register net_device notifier
ASoC: ti: davinci-mcasp: Fix slot mask settings when using multiple AXRs
rtc: pcf8563: Clear event flags and disable interrupts before requesting irq
drm/msm/a3xx: remove TPL1 regs from snapshot
iommu/amd: Make iommu_disable safer
mfd: intel-lpss: Release IDA resources
devres: allow const resource arguments
net: pasemi: fix an use-after-free in pasemi_mac_phy_init()
scsi: libfc: fix null pointer dereference on a null lport
libertas_tf: Use correct channel range in lbtf_geo_init
usb: host: xhci-hub: fix extra endianness conversion
mic: avoid statically declaring a 'struct device'.
x86/kgbd: Use NMI_VECTOR not APIC_DM_NMI
ALSA: aoa: onyx: always initialize register read value
cifs: fix rmmod regression in cifs.ko caused by force_sig changes
crypto: caam - free resources in case caam_rng registration failed
ext4: set error return correctly when ext4_htree_store_dirent fails
ASoC: es8328: Fix copy-paste error in es8328_right_line_controls
ASoC: cs4349: Use PM ops 'cs4349_runtime_pm'
ASoC: wm8737: Fix copy-paste error in wm8737_snd_controls
signal: Allow cifs and drbd to receive their terminating signals
dmaengine: dw: platform: Switch to acpi_dma_controller_register()
mac80211: minstrel_ht: fix per-group max throughput rate initialization
mips: avoid explicit UB in assignment of mips_io_port_base
ahci: Do not export local variable ahci_em_messages
Partially revert "kfifo: fix kfifo_alloc() and kfifo_init()"
power: supply: Init device wakeup after device_add()
x86, perf: Fix the dependency of the x86 insn decoder selftest
bcma: fix incorrect update of BCMA_CORE_PCI_MDIO_DATA
iio: dac: ad5380: fix incorrect assignment to val
ath9k: dynack: fix possible deadlock in ath_dynack_node_{de}init
net: sonic: return NETDEV_TX_OK if failed to map buffer
Btrfs: fix hang when loading existing inode cache off disk
hwmon: (shtc1) fix shtc1 and shtw1 id mask
net: sonic: replace dev_kfree_skb in sonic_send_packet
net/rds: Fix 'ib_evt_handler_call' element in 'rds_ib_stat_names'
iommu/amd: Wait for completion of IOTLB flush in attach_device
net: hisilicon: Fix signedness bug in hix5hd2_dev_probe()
net: broadcom/bcmsysport: Fix signedness in bcm_sysport_probe()
net: ethernet: stmmac: Fix signedness bug in ipq806x_gmac_of_parse()
mac80211: accept deauth frames in IBSS mode
llc: fix another potential sk_buff leak in llc_ui_sendmsg()
llc: fix sk_buff refcounting in llc_conn_state_process()
net: stmmac: fix length of PTP clock's name string
drm/msm/dsi: Implement reset correctly
dmaengine: imx-sdma: fix size check for sdma script_number
net: qca_spi: Move reset_count to struct qcaspi
media: ov6650: Fix incorrect use of JPEG colorspace
media: ov6650: Fix some format attributes not under control
media: ov6650: Fix .get_fmt() V4L2_SUBDEV_FORMAT_TRY support
MIPS: Loongson: Fix return value of loongson_hwmon_init
net: neigh: use long type to store jiffies delta
packet: fix data-race in fanout_flow_is_huge()
dmaengine: ti: edma: fix missed failure handling
drm/radeon: fix bad DMA from INTERRUPT_CNTL2
arm64: dts: juno: Fix UART frequency
m68k: Call timer_interrupt() with interrupts disabled
can, slip: Protect tty->disc_data in write_wakeup and close with RCU
firestream: fix memory leaks
net: cxgb3_main: Add CAP_NET_ADMIN check to CHELSIO_GET_MEM
net, ip_tunnel: fix namespaces move
net_sched: fix datalen for ematch
net: usb: lan78xx: Add .ndo_features_check
hwmon: (adt7475) Make volt2reg return same reg as reg2volt input
Input: keyspan-remote - fix control-message timeouts
ARM: 8950/1: ftrace/recordmcount: filter relocation types
mmc: sdhci: fix minimum clock rate for v3 controller
Input: sur40 - fix interface sanity checks
Input: gtco - fix endpoint sanity check
Input: aiptek - fix endpoint sanity check
hwmon: (nct7802) Fix voltage limits to wrong registers
scsi: RDMA/isert: Fix a recently introduced regression related to logout
tracing: xen: Ordered comparison of function pointers
do_last(): fetch directory ->i_mode and ->i_uid before it's too late
iio: buffer: align the size of scan bytes to size of the largest element
scsi: iscsi: Avoid potential deadlock in iscsi_if_rx func
md: Avoid namespace collision with bitmap API
bitmap: Add bitmap_alloc(), bitmap_zalloc() and bitmap_free()
netfilter: ipset: use bitmap infrastructure completely
net/x25: fix nonblocking connect
libertas: Fix two buffer overflows at parsing bss descriptor
Linux 4.4.212
Change-Id: Ic427b213b19cb47b394a4ddc4ed48c7278376c71
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 32c72165dbd0e246e69d16a3ad348a4851afd415 upstream.
The bitmap allocation did not use full unsigned long sizes
when calculating the required size and that was triggered by KASAN
as slab-out-of-bounds read in several places. The patch fixes all
of them.
Reported-by: syzbot+fabca5cbf5e54f3fe2de@syzkaller.appspotmail.com
Reported-by: syzbot+827ced406c9a1d9570ed@syzkaller.appspotmail.com
Reported-by: syzbot+190d63957b22ef673ea5@syzkaller.appspotmail.com
Reported-by: syzbot+dfccdb2bdb4a12ad425e@syzkaller.appspotmail.com
Reported-by: syzbot+df0d0f5895ef1f41a65b@syzkaller.appspotmail.com
Reported-by: syzbot+b08bd19bb37513357fd4@syzkaller.appspotmail.com
Reported-by: syzbot+53cdd0ec0bbabd53370a@syzkaller.appspotmail.com
Signed-off-by: Jozsef Kadlecsik <kadlec@netfilter.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c42b65e363ce97a828f81b59033c3558f8fa7f70 upstream.
A lot of code become ugly because of open coding allocations for bitmaps.
Introduce three helpers to allow users be more clear of intention
and keep their code neat.
Note, due to multiple circular dependencies we may not provide
the helpers as inliners. For now we keep them exported and, perhaps,
at some point in the future we will sort out header inclusion and
inheritance.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d0695e2351102affd8efae83989056bc4b275917 upstream.
Just as commit 0566e40ce7 ("tracing: initcall: Ordered comparison of
function pointers"), this patch fixes another remaining one in xen.h
found by clang-9.
In file included from arch/x86/xen/trace.c:21:
In file included from ./include/trace/events/xen.h:475:
In file included from ./include/trace/define_trace.h:102:
In file included from ./include/trace/trace_events.h:473:
./include/trace/events/xen.h:69:7: warning: ordered comparison of function \
pointers ('xen_mc_callback_fn_t' (aka 'void (*)(void *)') and 'xen_mc_callback_fn_t') [-Wordered-compare-function-pointers]
__field(xen_mc_callback_fn_t, fn)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/trace/trace_events.h:421:29: note: expanded from macro '__field'
^
./include/trace/trace_events.h:407:6: note: expanded from macro '__field_ext'
is_signed_type(type), filter_type); \
^
./include/linux/trace_events.h:554:44: note: expanded from macro 'is_signed_type'
^
Fixes: c796f213a6934 ("xen/trace: add multicall tracing")
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit bd73dfabdda280fc5f05bdec79b6721b4b2f035f ]
Illegal memory will be touch if SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V3
(41) exceed the size of structure sdma_script_start_addrs(40),
thus cause memory corrupt such as slob block header so that kernel
trap into while() loop forever in slob_free(). Please refer to below
code piece in imx-sdma.c:
for (i = 0; i < sdma->script_number; i++)
if (addr_arr[i] > 0)
saddr_arr[i] = addr_arr[i]; /* memory corrupt here */
That issue was brought by commit a572460be9cf ("dmaengine: imx-sdma: Add
support for version 3 firmware") because SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V3
(38->41 3 scripts added) not align with script number added in
sdma_script_start_addrs(2 scripts).
Fixes: a572460be9cf ("dmaengine: imx-sdma: Add support for version 3 firmware")
Cc: stable@vger.kernel
Link: https://www.spinics.net/lists/arm-kernel/msg754895.html
Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Reported-by: Jurgen Lambrecht <J.Lambrecht@TELEVIC.com>
Link: https://lore.kernel.org/r/1569347584-3478-1-git-send-email-yibin.gong@nxp.com
[vkoul: update the patch title]
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 33da8e7c814f77310250bb54a9db36a44c5de784 ]
My recent to change to only use force_sig for a synchronous events
wound up breaking signal reception cifs and drbd. I had overlooked
the fact that by default kthreads start out with all signals set to
SIG_IGN. So a change I thought was safe turned out to have made it
impossible for those kernel thread to catch their signals.
Reverting the work on force_sig is a bad idea because what the code
was doing was very much a misuse of force_sig. As the way force_sig
ultimately allowed the signal to happen was to change the signal
handler to SIG_DFL. Which after the first signal will allow userspace
to send signals to these kernel threads. At least for
wake_ack_receiver in drbd that does not appear actively wrong.
So correct this problem by adding allow_kernel_signal that will allow
signals whose siginfo reports they were sent by the kernel through,
but will not allow userspace generated signals, and update cifs and
drbd to call allow_kernel_signal in an appropriate place so that their
thread can receive this signal.
Fixing things this way ensures that userspace won't be able to send
signals and cause problems, that it is clear which signals the
threads are expecting to receive, and it guarantees that nothing
else in the system will be affected.
This change was partly inspired by similar cifs and drbd patches that
added allow_signal.
Reported-by: ronnie sahlberg <ronniesahlberg@gmail.com>
Reported-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com>
Tested-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com>
Cc: Steve French <smfrench@gmail.com>
Cc: Philipp Reisner <philipp.reisner@linbit.com>
Cc: David Laight <David.Laight@ACULAB.COM>
Fixes: 247bc9470b1e ("cifs: fix rmmod regression in cifs.ko caused by force_sig changes")
Fixes: 72abe3bcf091 ("signal/cifs: Fix cifs_put_tcp_session to call send_sig instead of force_sig")
Fixes: fee109901f39 ("signal/drbd: Use send_sig not force_sig")
Fixes: 3cf5d076fb4d ("signal: Remove task parameter from force_sig")
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 9dea44c91469512d346e638694c22c30a5273992 ]
devm_ioremap_resource() does not currently take 'const' arguments,
which results in a warning from the first driver trying to do it
anyway:
drivers/gpio/gpio-amd-fch.c: In function 'amd_fch_gpio_probe':
drivers/gpio/gpio-amd-fch.c:171:49: error: passing argument 2 of 'devm_ioremap_resource' discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers]
priv->base = devm_ioremap_resource(&pdev->dev, &amd_fch_gpio_iores);
^~~~~~~~~~~~~~~~~~~
Change the prototype to allow it, as there is no real reason not to.
Fixes: 9bb2e0452508 ("gpio: amd: Make resource struct const")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20190628150049.1108048-1-arnd@arndb.de
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviwed-By: Enrico Weigelt <info@metux.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit b72845ee5577b227131b1fef23f9d9a296621d7b ]
In vpbe_enum_outputs() we check if (temp_index >= cfg->num_outputs) but
the problem is that "temp_index" can be negative. This patch changes
the types to unsigned to address this array underflow bug.
Fixes: 66715cdc3224 ("[media] davinci vpbe: VPBE display driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2a4daadd4d3e507138f8937926e6a4df49c6bfdc ]
Older versions of Libreboot and Coreboot had an invalid value
(`3' in my case) in the century byte affecting the GM45 in
the Thinkpad X200. Not everybody's updated their firmwares,
and Linux <= 4.2 was able to read the RTC without problems,
so workaround this by ignoring invalid values.
Fixes: 3c217e51d8a272b9 ("rtc: cmos: century support")
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Sylvain Chouleur <sylvain.chouleur@intel.com>
Cc: Patrick McDermott <patrick.mcdermott@libiquity.com>
Cc: linux-rtc@vger.kernel.org
Signed-off-by: Eric Wong <e@80x24.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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Changes in 4.4.211
hidraw: Return EPOLLOUT from hidraw_poll
HID: hidraw: Fix returning EPOLLOUT from hidraw_poll
HID: hidraw, uhid: Always report EPOLLOUT
rsi: add fix for crash during assertions
cfg80211/mac80211: make ieee80211_send_layer2_update a public function
mac80211: Do not send Layer 2 Update frame before authorization
media: usb:zr364xx:Fix KASAN:null-ptr-deref Read in zr364xx_vidioc_querycap
p54usb: Fix race between disconnect and firmware loading
ALSA: line6: Fix write on zero-sized buffer
ALSA: line6: Fix memory leak at line6_init_pcm() error path
mm/page_alloc.c: calculate 'available' memory in a separate function
xen: let alloc_xenballooned_pages() fail if not enough memory free
wimax: i2400: fix memory leak
wimax: i2400: Fix memory leak in i2400m_op_rfkill_sw_toggle
ext4: fix use-after-free race with debug_want_extra_isize
ext4: add more paranoia checking in ext4_expand_extra_isize handling
dccp: Fix memleak in __feat_register_sp
rtc: mt6397: fix alarm register overwrite
iommu: Remove device link to group on failure
gpio: Fix error message on out-of-range GPIO in lookup table
hsr: reset network header when supervision frame is created
cifs: Adjust indentation in smb2_open_file
RDMA/srpt: Report the SCSI residual to the initiator
scsi: enclosure: Fix stale device oops with hot replug
scsi: sd: Clear sdkp->protection_type if disk is reformatted without PI
platform/x86: asus-wmi: Fix keyboard brightness cannot be set to 0
iio: imu: adis16480: assign bias value only if operation succeeded
mei: fix modalias documentation
clk: samsung: exynos5420: Preserve CPU clocks configuration during suspend/resume
compat_ioctl: handle SIOCOUTQNSD
tty: serial: imx: use the sg count from dma_map_sg
tty: serial: pch_uart: correct usage of dma_unmap_sg
media: exynos4-is: Fix recursive locking in isp_video_release()
spi: atmel: fix handling of cs_change set on non-last xfer
rtlwifi: Remove unnecessary NULL check in rtl_regd_init
rtc: msm6242: Fix reading of 10-hour digit
rseq/selftests: Turn off timeout setting
hexagon: work around compiler crash
ocfs2: call journal flush to mark journal as empty after journal recovery when mount
ALSA: seq: Fix racy access for queue timer in proc read
Fix built-in early-load Intel microcode alignment
block: fix an integer overflow in logical block size
USB: serial: simple: Add Motorola Solutions TETRA MTP3xxx and MTP85xx
USB: serial: opticon: fix control-message timeouts
USB: serial: suppress driver bind attributes
USB: serial: ch341: handle unbound port at reset_resume
USB: serial: io_edgeport: add missing active-port sanity check
USB: serial: quatech2: handle unbound ports
scsi: mptfusion: Fix double fetch bug in ioctl
usb: core: hub: Improved device recognition on remote wakeup
x86/efistub: Disable paging at mixed mode entry
mm/page-writeback.c: avoid potential division by zero in wb_min_max_ratio()
net: stmmac: 16KB buffer must be 16 byte aligned
net: stmmac: Enable 16KB buffer size
USB: serial: io_edgeport: use irqsave() in USB's complete callback
USB: serial: io_edgeport: handle unbound ports on URB completion
USB: serial: keyspan: handle unbound ports
scsi: fnic: use kernel's '%pM' format option to print MAC
scsi: fnic: fix invalid stack access
arm64: dts: agilex/stratix10: fix pmu interrupt numbers
netfilter: fix a use-after-free in mtype_destroy()
batman-adv: Fix DAT candidate selection on little endian systems
macvlan: use skb_reset_mac_header() in macvlan_queue_xmit()
r8152: add missing endpoint sanity check
tcp: fix marked lost packets not being retransmitted
net: usb: lan78xx: limit size of local TSO packets
xen/blkfront: Adjust indentation in xlvbd_alloc_gendisk
cw1200: Fix a signedness bug in cw1200_load_firmware()
cfg80211: check for set_wiphy_params
scsi: esas2r: unlock on error in esas2r_nvram_read_direct()
scsi: qla4xxx: fix double free bug
scsi: bnx2i: fix potential use after free
scsi: target: core: Fix a pr_debug() argument
scsi: core: scsi_trace: Use get_unaligned_be*()
perf probe: Fix wrong address verification
regulator: ab8500: Remove SYSCLKREQ from enum ab8505_regulator_id
Linux 4.4.211
Change-Id: I1e1bbb74e69936896e235fdeb290ff550e61903e
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 458ea3ad033fc86e291712ce50cbe60c3428cf30 upstream.
Those regulators are not actually supported by the AB8500 regulator
driver. There is no ab8500_regulator_info for them and no entry in
ab8505_regulator_match.
As such, they cannot be registered successfully, and looking them
up in ab8505_regulator_match causes an out-of-bounds array read.
Fixes: 547f384f33db ("regulator: ab8500: add support for ab8505")
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20191106173125.14496-2-stephan@gerhold.net
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ad6bf88a6c19a39fb3b0045d78ea880325dfcf15 upstream.
Logical block size has type unsigned short. That means that it can be at
most 32768. However, there are architectures that can run with 64k pages
(for example arm64) and on these architectures, it may be possible to
create block devices with 64k block size.
For exmaple (run this on an architecture with 64k pages):
Mount will fail with this error because it tries to read the superblock using 2-sector
access:
device-mapper: writecache: I/O is not aligned, sector 2, size 1024, block size 65536
EXT4-fs (dm-0): unable to read superblock
This patch changes the logical block size from unsigned short to unsigned
int to avoid the overflow.
Cc: stable@vger.kernel.org
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d02bd27bd33dd7e8d22594cd568b81be0cb584cd upstream.
Add a new field, VIRTIO_BALLOON_S_AVAIL, to virtio_balloon memory
statistics protocol, corresponding to 'Available' in /proc/meminfo.
It indicates to the hypervisor how big the balloon can be inflated
without pushing the guest system to swap. This metric would be very
useful in VM orchestration software to improve memory management of
different VMs under overcommit.
This patch (of 2):
Factor out calculation of the available memory counter into a separate
exportable function, in order to be able to use it in other parts of the
kernel.
In particular, it appears a relevant metric to report to the hypervisor
via virtio-balloon statistics interface (in a followup patch).
Signed-off-by: Igor Redko <redkoi@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
Reviewed-by: Roman Kagan <rkagan@virtuozzo.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
[bwh: Backported to 4.4 as dependency of commit a1078e821b60
"xen: let alloc_xenballooned_pages() fail if not enough memory free"]
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 30ca1aa536211f5ac3de0173513a7a99a98a97f3 upstream.
Make ieee80211_send_layer2_update() a common function so other drivers
can re-use it.
Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
[bwh: Backported to 4.4 as dependency of commit 3e493173b784
"mac80211: Do not send Layer 2 Update frame before authorization":
- Retain type-casting of skb_put() return value
- Adjust context]
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Changes in 4.4.210
kobject: Export kobject_get_unless_zero()
chardev: Avoid potential use-after-free in 'chrdev_open()'
usb: chipidea: host: Disable port power only if previously enabled
ALSA: usb-audio: Apply the sample rate quirk for Bose Companion 5
kernel/trace: Fix do not unregister tracepoints when register sched_migrate_task fail
tracing: Have stack tracer compile when MCOUNT_INSN_SIZE is not defined
HID: Fix slab-out-of-bounds read in hid_field_extract
HID: uhid: Fix returning EPOLLOUT from uhid_char_poll
HID: hid-input: clear unmapped usages
Input: add safety guards to input_set_keycode()
drm/dp_mst: correct the shifting in DP_REMOTE_I2C_READ
can: gs_usb: gs_usb_probe(): use descriptors of current altsetting
can: mscan: mscan_rx_poll(): fix rx path lockup when returning from polling to irq mode
can: can_dropped_invalid_skb(): ensure an initialized headroom in outgoing CAN sk_buffs
staging: vt6656: set usb_set_intfdata on driver fail.
USB: serial: option: add ZLP support for 0x1bc7/0x9010
usb: musb: Disable pullup at init
usb: musb: dma: Correct parameter passed to IRQ handler
staging: rtl8188eu: Add device code for TP-Link TL-WN727N v5.21
tty: link tty and port before configuring it as console
tty: always relink the port
mwifiex: fix possible heap overflow in mwifiex_process_country_ie()
mwifiex: pcie: Fix memory leak in mwifiex_pcie_alloc_cmdrsp_buf
scsi: bfa: release allocated memory in case of error
rtl8xxxu: prevent leaking urb
USB: Fix: Don't skip endpoint descriptors with maxpacket=0
netfilter: arp_tables: init netns pointer in xt_tgchk_param struct
netfilter: ipset: avoid null deref when IPSET_ATTR_LINENO is present
drm/i915/gen9: Clear residual context state on context switch
Linux 4.4.210
Change-Id: I5ee00026c7108d6a3a1a2711e7413f05defc64ce
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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CAN sk_buffs
commit e7153bf70c3496bac00e7e4f395bb8d8394ac0ea upstream.
KMSAN sysbot detected a read access to an untinitialized value in the
headroom of an outgoing CAN related sk_buff. When using CAN sockets this
area is filled appropriately - but when using a packet socket this
initialization is missing.
The problematic read access occurs in the CAN receive path which can
only be triggered when the sk_buff is sent through a (virtual) CAN
interface. So we check in the sending path whether we need to perform
the missing initializations.
Fixes: d3b58c47d330d ("can: replace timestamp as unique skb attribute")
Reported-by: syzbot+b02ff0707a97e4e79ebb@syzkaller.appspotmail.com
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Tested-by: Oliver Hartkopp <socketcan@hartkopp.net>
Cc: linux-stable <stable@vger.kernel.org> # >= v4.1
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c70c176ff8c3ff0ac6ef9a831cd591ea9a66bd1a upstream.
Make the function available for outside use and fortify it against NULL
kobject.
CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Changes in 4.4.209
PM / devfreq: Don't fail devfreq_dev_release if not in list
RDMA/cma: add missed unregister_pernet_subsys in init failure
scsi: lpfc: Fix memory leak on lpfc_bsg_write_ebuf_set func
scsi: qla2xxx: Don't call qlt_async_event twice
scsi: iscsi: qla4xxx: fix double free in probe
scsi: libsas: stop discovering if oob mode is disconnected
usb: gadget: fix wrong endpoint desc
md: raid1: check rdev before reference in raid1_sync_request func
s390/cpum_sf: Adjust sampling interval to avoid hitting sample limits
s390/cpum_sf: Avoid SBD overflow condition in irq handler
xen/balloon: fix ballooned page accounting without hotplug enabled
xfs: fix mount failure crash on invalid iclog memory access
taskstats: fix data-race
Revert "perf report: Add warning when libunwind not compiled in"
ALSA: ice1724: Fix sleep-in-atomic in Infrasonic Quartet support code
MIPS: Avoid VDSO ABI breakage due to global register variable
locks: print unsigned ino in /proc/locks
dmaengine: Fix access to uninitialized dma_slave_caps
compat_ioctl: block: handle Persistent Reservations
gpiolib: fix up emulated open drain outputs
ALSA: cs4236: fix error return comparison of an unsigned integer
ftrace: Avoid potential division by zero in function profiler
Bluetooth: btusb: fix PM leak in error case of setup
Bluetooth: delete a stray unlock
tty: serial: msm_serial: Fix lockup for sysrq and oops
drm/mst: Fix MST sideband up-reply failure handling
powerpc/pseries/hvconsole: Fix stack overread via udbg
ath9k_htc: Modify byte order for an error message
ath9k_htc: Discard undersized packets
net: add annotations on hh->hh_len lockless accesses
s390/smp: fix physical to logical CPU map for SMT
locking/x86: Remove the unused atomic_inc_short() methd
pstore/ram: Write new dumps to start of recycled zones
locking/spinlock/debug: Fix various data races
netfilter: ctnetlink: netns exit must wait for callbacks
ARM: vexpress: Set-up shared OPP table instead of individual for each CPU
netfilter: uapi: Avoid undefined left-shift in xt_sctp.h
ARM: dts: am437x-gp/epos-evm: fix panel compatible
powerpc: Ensure that swiotlb buffer is allocated from low memory
bnx2x: Do not handle requests from VFs after parity
bnx2x: Fix logic to get total no. of PFs per engine
net: usb: lan78xx: Fix error message format specifier
rfkill: Fix incorrect check to avoid NULL pointer dereference
ASoC: wm8962: fix lambda value
regulator: rn5t618: fix module aliases
kconfig: don't crash on NULL expressions in expr_eq()
parisc: Fix compiler warnings in debug_core.c
llc2: Fix return statement of llc_stat_ev_rx_null_dsap_xid_c (and _test_c)
net: stmmac: dwmac-sunxi: Allow all RGMII modes
net: usb: lan78xx: fix possible skb leak
pkt_sched: fq: do not accept silly TCA_FQ_QUANTUM
sctp: free cmd->obj.chunk for the unprocessed SCTP_CMD_REPLY
tcp: fix "old stuff" D-SACK causing SACK to be treated as D-SACK
vlan: vlan_changelink() should propagate errors
vlan: fix memory leak in vlan_dev_set_egress_priority
vxlan: fix tos value before xmit
macvlan: do not assume mac_header is set in macvlan_broadcast()
USB: core: fix check for duplicate endpoints
USB: serial: option: add Telit ME910G1 0x110a composition
Linux 4.4.209
Change-Id: Id229502365a315c24e126e98eab040cb6f40c1d5
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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[ Upstream commit 96cc4b69581db68efc9749ef32e9cf8e0160c509 ]
Use of eth_hdr() in tx path is error prone.
Many drivers call skb_reset_mac_header() before using it,
but others do not.
Commit 6d1ccff62780 ("net: reset mac header in dev_start_xmit()")
attempted to fix this generically, but commit d346a3fae3ff
("packet: introduce PACKET_QDISC_BYPASS socket option") brought
back the macvlan bug.
Lets add a new helper, so that tx paths no longer have
to call skb_reset_mac_header() only to get a pointer
to skb->data.
Hopefully we will be able to revert 6d1ccff62780
("net: reset mac header in dev_start_xmit()") and save few cycles
in transmit fast path.
BUG: KASAN: use-after-free in __get_unaligned_cpu32 include/linux/unaligned/packed_struct.h:19 [inline]
BUG: KASAN: use-after-free in mc_hash drivers/net/macvlan.c:251 [inline]
BUG: KASAN: use-after-free in macvlan_broadcast+0x547/0x620 drivers/net/macvlan.c:277
Read of size 4 at addr ffff8880a4932401 by task syz-executor947/9579
CPU: 0 PID: 9579 Comm: syz-executor947 Not tainted 5.5.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x197/0x210 lib/dump_stack.c:118
print_address_description.constprop.0.cold+0xd4/0x30b mm/kasan/report.c:374
__kasan_report.cold+0x1b/0x41 mm/kasan/report.c:506
kasan_report+0x12/0x20 mm/kasan/common.c:639
__asan_report_load_n_noabort+0xf/0x20 mm/kasan/generic_report.c:145
__get_unaligned_cpu32 include/linux/unaligned/packed_struct.h:19 [inline]
mc_hash drivers/net/macvlan.c:251 [inline]
macvlan_broadcast+0x547/0x620 drivers/net/macvlan.c:277
macvlan_queue_xmit drivers/net/macvlan.c:520 [inline]
macvlan_start_xmit+0x402/0x77f drivers/net/macvlan.c:559
__netdev_start_xmit include/linux/netdevice.h:4447 [inline]
netdev_start_xmit include/linux/netdevice.h:4461 [inline]
dev_direct_xmit+0x419/0x630 net/core/dev.c:4079
packet_direct_xmit+0x1a9/0x250 net/packet/af_packet.c:240
packet_snd net/packet/af_packet.c:2966 [inline]
packet_sendmsg+0x260d/0x6220 net/packet/af_packet.c:2991
sock_sendmsg_nosec net/socket.c:639 [inline]
sock_sendmsg+0xd7/0x130 net/socket.c:659
__sys_sendto+0x262/0x380 net/socket.c:1985
__do_sys_sendto net/socket.c:1997 [inline]
__se_sys_sendto net/socket.c:1993 [inline]
__x64_sys_sendto+0xe1/0x1a0 net/socket.c:1993
do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x442639
Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffc13549e08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442639
RDX: 000000000000000e RSI: 0000000020000080 RDI: 0000000000000003
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000403bb0 R14: 0000000000000000 R15: 0000000000000000
Allocated by task 9389:
save_stack+0x23/0x90 mm/kasan/common.c:72
set_track mm/kasan/common.c:80 [inline]
__kasan_kmalloc mm/kasan/common.c:513 [inline]
__kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:486
kasan_kmalloc+0x9/0x10 mm/kasan/common.c:527
__do_kmalloc mm/slab.c:3656 [inline]
__kmalloc+0x163/0x770 mm/slab.c:3665
kmalloc include/linux/slab.h:561 [inline]
tomoyo_realpath_from_path+0xc5/0x660 security/tomoyo/realpath.c:252
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_path_perm+0x230/0x430 security/tomoyo/file.c:822
tomoyo_inode_getattr+0x1d/0x30 security/tomoyo/tomoyo.c:129
security_inode_getattr+0xf2/0x150 security/security.c:1222
vfs_getattr+0x25/0x70 fs/stat.c:115
vfs_statx_fd+0x71/0xc0 fs/stat.c:145
vfs_fstat include/linux/fs.h:3265 [inline]
__do_sys_newfstat+0x9b/0x120 fs/stat.c:378
__se_sys_newfstat fs/stat.c:375 [inline]
__x64_sys_newfstat+0x54/0x80 fs/stat.c:375
do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Freed by task 9389:
save_stack+0x23/0x90 mm/kasan/common.c:72
set_track mm/kasan/common.c:80 [inline]
kasan_set_free_info mm/kasan/common.c:335 [inline]
__kasan_slab_free+0x102/0x150 mm/kasan/common.c:474
kasan_slab_free+0xe/0x10 mm/kasan/common.c:483
__cache_free mm/slab.c:3426 [inline]
kfree+0x10a/0x2c0 mm/slab.c:3757
tomoyo_realpath_from_path+0x1a7/0x660 security/tomoyo/realpath.c:289
tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
tomoyo_path_perm+0x230/0x430 security/tomoyo/file.c:822
tomoyo_inode_getattr+0x1d/0x30 security/tomoyo/tomoyo.c:129
security_inode_getattr+0xf2/0x150 security/security.c:1222
vfs_getattr+0x25/0x70 fs/stat.c:115
vfs_statx_fd+0x71/0xc0 fs/stat.c:145
vfs_fstat include/linux/fs.h:3265 [inline]
__do_sys_newfstat+0x9b/0x120 fs/stat.c:378
__se_sys_newfstat fs/stat.c:375 [inline]
__x64_sys_newfstat+0x54/0x80 fs/stat.c:375
do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
entry_SYSCALL_64_after_hwframe+0x49/0xbe
The buggy address belongs to the object at ffff8880a4932000
which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 1025 bytes inside of
4096-byte region [ffff8880a4932000, ffff8880a4933000)
The buggy address belongs to the page:
page:ffffea0002924c80 refcount:1 mapcount:0 mapping:ffff8880aa402000 index:0x0 compound_mapcount: 0
raw: 00fffe0000010200 ffffea0002846208 ffffea00028f3888 ffff8880aa402000
raw: 0000000000000000 ffff8880a4932000 0000000100000001 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff8880a4932300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8880a4932380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8880a4932400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8880a4932480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8880a4932500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
Fixes: b863ceb7ddce ("[NET]: Add macvlan driver")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 164166558aacea01b99c8c8ffb710d930405ba69 ]
With 'bytes(__u32)' being 32, a left-shift of 31 may happen which is
undefined for the signed 32-bit value 1. Avoid this by declaring 1 as
unsigned.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit c305c6ae79e2ce20c22660ceda94f0d86d639a82 ]
KCSAN reported a data-race [1]
While we can use READ_ONCE() on the read sides,
we need to make sure hh->hh_len is written last.
[1]
BUG: KCSAN: data-race in eth_header_cache / neigh_resolve_output
write to 0xffff8880b9dedcb8 of 4 bytes by task 29760 on cpu 0:
eth_header_cache+0xa9/0xd0 net/ethernet/eth.c:247
neigh_hh_init net/core/neighbour.c:1463 [inline]
neigh_resolve_output net/core/neighbour.c:1480 [inline]
neigh_resolve_output+0x415/0x470 net/core/neighbour.c:1470
neigh_output include/net/neighbour.h:511 [inline]
ip6_finish_output2+0x7a2/0xec0 net/ipv6/ip6_output.c:116
__ip6_finish_output net/ipv6/ip6_output.c:142 [inline]
__ip6_finish_output+0x2d7/0x330 net/ipv6/ip6_output.c:127
ip6_finish_output+0x41/0x160 net/ipv6/ip6_output.c:152
NF_HOOK_COND include/linux/netfilter.h:294 [inline]
ip6_output+0xf2/0x280 net/ipv6/ip6_output.c:175
dst_output include/net/dst.h:436 [inline]
NF_HOOK include/linux/netfilter.h:305 [inline]
ndisc_send_skb+0x459/0x5f0 net/ipv6/ndisc.c:505
ndisc_send_ns+0x207/0x430 net/ipv6/ndisc.c:647
rt6_probe_deferred+0x98/0xf0 net/ipv6/route.c:615
process_one_work+0x3d4/0x890 kernel/workqueue.c:2269
worker_thread+0xa0/0x800 kernel/workqueue.c:2415
kthread+0x1d4/0x200 drivers/block/aoe/aoecmd.c:1253
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352
read to 0xffff8880b9dedcb8 of 4 bytes by task 29572 on cpu 1:
neigh_resolve_output net/core/neighbour.c:1479 [inline]
neigh_resolve_output+0x113/0x470 net/core/neighbour.c:1470
neigh_output include/net/neighbour.h:511 [inline]
ip6_finish_output2+0x7a2/0xec0 net/ipv6/ip6_output.c:116
__ip6_finish_output net/ipv6/ip6_output.c:142 [inline]
__ip6_finish_output+0x2d7/0x330 net/ipv6/ip6_output.c:127
ip6_finish_output+0x41/0x160 net/ipv6/ip6_output.c:152
NF_HOOK_COND include/linux/netfilter.h:294 [inline]
ip6_output+0xf2/0x280 net/ipv6/ip6_output.c:175
dst_output include/net/dst.h:436 [inline]
NF_HOOK include/linux/netfilter.h:305 [inline]
ndisc_send_skb+0x459/0x5f0 net/ipv6/ndisc.c:505
ndisc_send_ns+0x207/0x430 net/ipv6/ndisc.c:647
rt6_probe_deferred+0x98/0xf0 net/ipv6/route.c:615
process_one_work+0x3d4/0x890 kernel/workqueue.c:2269
worker_thread+0xa0/0x800 kernel/workqueue.c:2415
kthread+0x1d4/0x200 drivers/block/aoe/aoecmd.c:1253
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 29572 Comm: kworker/1:4 Not tainted 5.4.0-rc6+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events rt6_probe_deferred
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 53a256a9b925b47c7e67fc1f16ca41561a7b877c upstream.
dmaengine_desc_set_reuse() allocates a struct dma_slave_caps on the
stack, populates it using dma_get_slave_caps() and then accesses one
of its members.
However dma_get_slave_caps() may fail and this isn't accounted for,
leading to a legitimate warning of gcc-4.9 (but not newer versions):
In file included from drivers/spi/spi-bcm2835.c:19:0:
drivers/spi/spi-bcm2835.c: In function 'dmaengine_desc_set_reuse':
>> include/linux/dmaengine.h:1370:10: warning: 'caps.descriptor_reuse' is used uninitialized in this function [-Wuninitialized]
if (caps.descriptor_reuse) {
Fix it, thereby also silencing the gcc-4.9 warning.
The issue has been present for 4 years but surfaces only now that
the first caller of dmaengine_desc_set_reuse() has been added in
spi-bcm2835.c. Another user of reusable DMA descriptors has existed
for a while in pxa_camera.c, but it sets the DMA_CTRL_REUSE flag
directly instead of calling dmaengine_desc_set_reuse(). Nevertheless,
tag this commit for stable in case there are out-of-tree users.
Fixes: 272420214d26 ("dmaengine: Add DMA_CTRL_REUSE")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Cc: stable@vger.kernel.org # v4.3+
Link: https://lore.kernel.org/r/ca92998ccc054b4f2bfd60ef3adbab2913171eac.1575546234.git.lukas@wunner.de
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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