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Changes in 4.4.115
loop: fix concurrent lo_open/lo_release
bpf: fix branch pruning logic
x86: bpf_jit: small optimization in emit_bpf_tail_call()
bpf: fix bpf_tail_call() x64 JIT
bpf: introduce BPF_JIT_ALWAYS_ON config
bpf: arsh is not supported in 32 bit alu thus reject it
bpf: avoid false sharing of map refcount with max_entries
bpf: fix divides by zero
bpf: fix 32-bit divide by zero
bpf: reject stores into ctx via st and xadd
x86/pti: Make unpoison of pgd for trusted boot work for real
kaiser: fix intel_bts perf crashes
ALSA: seq: Make ioctls race-free
crypto: aesni - handle zero length dst buffer
crypto: af_alg - whitelist mask and type
power: reset: zx-reboot: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
gpio: iop: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
gpio: ath79: add missing MODULE_DESCRIPTION/LICENSE
mtd: nand: denali_pci: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
igb: Free IRQs when device is hotplugged
KVM: x86: emulator: Return to user-mode on L1 CPL=0 emulation failure
KVM: x86: Don't re-execute instruction when not passing CR2 value
KVM: X86: Fix operand/address-size during instruction decoding
KVM: x86: ioapic: Fix level-triggered EOI and IOAPIC reconfigure race
KVM: x86: ioapic: Clear Remote IRR when entry is switched to edge-triggered
KVM: x86: ioapic: Preserve read-only values in the redirection table
ACPI / bus: Leave modalias empty for devices which are not present
cpufreq: Add Loongson machine dependencies
bcache: check return value of register_shrinker
drm/amdgpu: Fix SDMA load/unload sequence on HWS disabled mode
drm/amdkfd: Fix SDMA ring buffer size calculation
drm/amdkfd: Fix SDMA oversubsription handling
openvswitch: fix the incorrect flow action alloc size
mac80211: fix the update of path metric for RANN frame
btrfs: fix deadlock when writing out space cache
KVM: VMX: Fix rflags cache during vCPU reset
xen-netfront: remove warning when unloading module
nfsd: CLOSE SHOULD return the invalid special stateid for NFSv4.x (x>0)
nfsd: Ensure we check stateid validity in the seqid operation checks
grace: replace BUG_ON by WARN_ONCE in exit_net hook
nfsd: check for use of the closed special stateid
lockd: fix "list_add double add" caused by legacy signal interface
hwmon: (pmbus) Use 64bit math for DIRECT format values
net: ethernet: xilinx: Mark XILINX_LL_TEMAC broken on 64-bit
quota: Check for register_shrinker() failure.
SUNRPC: Allow connect to return EHOSTUNREACH
kmemleak: add scheduling point to kmemleak_scan()
drm/omap: Fix error handling path in 'omap_dmm_probe()'
xfs: ubsan fixes
scsi: aacraid: Prevent crash in case of free interrupt during scsi EH path
scsi: ufs: ufshcd: fix potential NULL pointer dereference in ufshcd_config_vreg
media: usbtv: add a new usbid
usb: gadget: don't dereference g until after it has been null checked
staging: rtl8188eu: Fix incorrect response to SIOCGIWESSID
usb: option: Add support for FS040U modem
USB: serial: pl2303: new device id for Chilitag
USB: cdc-acm: Do not log urb submission errors on disconnect
CDC-ACM: apply quirk for card reader
USB: serial: io_edgeport: fix possible sleep-in-atomic
usbip: prevent bind loops on devices attached to vhci_hcd
usbip: list: don't list devices attached to vhci_hcd
USB: serial: simple: add Motorola Tetra driver
usb: f_fs: Prevent gadget unbind if it is already unbound
usb: uas: unconditionally bring back host after reset
selinux: general protection fault in sock_has_perm
serial: imx: Only wakeup via RTSDEN bit if the system has RTS/CTS
spi: imx: do not access registers while clocks disabled
Linux 4.4.115
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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[ Upstream commit 22a6c83777ac7c17d6c63891beeeac24cf5da450 ]
Fix some complaints from the UBSAN about signed integer addition overflows.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 88bc0ede8d35edc969350852894dc864a2dc1859 ]
register_shrinker() might return -ENOMEM error since Linux 3.12.
Call panic() as with other failure checks in this function if
register_shrinker() failed.
Fixes: 1d3d4437eae1 ("vmscan: per-node deferred work")
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Jan Kara <jack@suse.com>
Cc: Michal Hocko <mhocko@suse.com>
Reviewed-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 81833de1a46edce9ca20cfe079872ac1c20ef359 ]
restart_grace() uses hardcoded init_net.
It can cause to "list_add double add" in following scenario:
1) nfsd and lockd was started in several net namespaces
2) nfsd in init_net was stopped (lockd was not stopped because
it have users from another net namespaces)
3) lockd got signal, called restart_grace() -> set_grace_period()
and enabled lock_manager in hardcoded init_net.
4) nfsd in init_net is started again,
its lockd_up() calls set_grace_period() and tries to add
lock_manager into init_net 2nd time.
Jeff Layton suggest:
"Make it safe to call locks_start_grace multiple times on the same
lock_manager. If it's already on the global grace_list, then don't try
to add it again. (But we don't intentionally add twice, so for now we
WARN about that case.)
With this change, we also need to ensure that the nfsd4 lock manager
initializes the list before we call locks_start_grace. While we're at
it, move the rest of the nfsd_net initialization into
nfs4_state_create_net. I see no reason to have it spread over two
functions like it is today."
Suggested patch was updated to generate warning in described situation.
Suggested-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit ae254dac721d44c0bfebe2795df87459e2e88219 ]
Prevent the use of the closed (invalid) special stateid by clients.
Signed-off-by: Andrew Elble <aweits@rit.edu>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit b872285751c1af010e12d02bce7069e2061a58ca ]
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 9271d7e509c1bfc0b9a418caec29ec8d1ac38270 ]
After taking the stateid st_mutex, we want to know that the stateid
still represents valid state before performing any non-idempotent
actions.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit fb500a7cfee7f2f447d2bbf30cb59629feab6ac1 ]
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit b77000ed558daa3bef0899d29bf171b8c9b5e6a8 ]
If we fail to prepare our pages for whatever reason (out of memory in
our case) we need to make sure to drop the block_group->data_rwsem,
otherwise hilarity ensues.
Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ add label and use existing unlocking code ]
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If the top is changed while we're attempting to use it, it's
possible that the reference will be put while we are in the
process of grabbing a reference.
Now we grab a spinlock to protect grabbing our reference count.
Additionally, we now set the inode_info's top value to point to
it's own data when initializing, which makes tracking changes
easier.
Change-Id: If15748c786ce4c0480ab8c5051a92523aff284d2
Signed-off-by: Daniel Rosenberg <drosen@google.com>
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This reverts commit 77b02dccafafc467e2f299d49f652b1875c013c7.
Instead of calling notify within sdcardfs, which reverse the
order of notifications during an open with truncate, we'll
make fs_notify worry about it.
Change-Id: Ic634401c0f223500066300a4df8b1453a0b35b60
Bug: 70706497
Signed-off-by: Daniel Rosenberg <drosen@google.com>
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We now use the lower filesystem's getattr for time and size related
information.
Change-Id: I3dd05614a0c2837a13eeb033444fbdf070ddce2a
Signed-off-by: Daniel Rosenberg <drosen@google.com>
Bug: 72007585
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* refs/heads/tmp-fe09418
Linux 4.4.114
nfsd: auth: Fix gid sorting when rootsquash enabled
net: tcp: close sock if net namespace is exiting
flow_dissector: properly cap thoff field
ipv4: Make neigh lookup keys for loopback/point-to-point devices be INADDR_ANY
net: Allow neigh contructor functions ability to modify the primary_key
vmxnet3: repair memory leak
sctp: return error if the asoc has been peeled off in sctp_wait_for_sndbuf
sctp: do not allow the v4 socket to bind a v4mapped v6 address
r8169: fix memory corruption on retrieval of hardware statistics.
pppoe: take ->needed_headroom of lower device into account on xmit
net: qdisc_pkt_len_init() should be more robust
tcp: __tcp_hdrlen() helper
net: igmp: fix source address check for IGMPv3 reports
lan78xx: Fix failure in USB Full Speed
ipv6: ip6_make_skb() needs to clear cork.base.dst
ipv6: fix udpv6 sendmsg crash caused by too small MTU
ipv6: Fix getsockopt() for sockets with default IPV6_AUTOFLOWLABEL
dccp: don't restart ccid2_hc_tx_rto_expire() if sk in closed state
hrtimer: Reset hrtimer cpu base proper on CPU hotplug
x86/microcode/intel: Extend BDW late-loading further with LLC size check
eventpoll.h: add missing epoll event masks
vsyscall: Fix permissions for emulate mode with KAISER/PTI
um: link vmlinux with -no-pie
usbip: prevent leaking socket pointer address in messages
usbip: fix stub_rx: harden CMD_SUBMIT path to handle malicious input
usbip: fix stub_rx: get_pipe() to validate endpoint number
usb: usbip: Fix possible deadlocks reported by lockdep
Input: trackpoint - force 3 buttons if 0 button is reported
Revert "module: Add retpoline tag to VERMAGIC"
scsi: libiscsi: fix shifting of DID_REQUEUE host byte
fs/fcntl: f_setown, avoid undefined behaviour
reiserfs: Don't clear SGID when inheriting ACLs
reiserfs: don't preallocate blocks for extended attributes
reiserfs: fix race in prealloc discard
ext2: Don't clear SGID when inheriting ACLs
netfilter: xt_osf: Add missing permission checks
netfilter: nfnetlink_cthelper: Add missing permission checks
netfilter: fix IS_ERR_VALUE usage
netfilter: use fwmark_reflect in nf_send_reset
netfilter: nf_conntrack_sip: extend request line validation
netfilter: restart search if moved to other chain
netfilter: nfnetlink_queue: reject verdict request from different portid
netfilter: nf_ct_expect: remove the redundant slash when policy name is empty
netfilter: nf_dup_ipv6: set again FLOWI_FLAG_KNOWN_NH at flowi6_flags
netfilter: arp_tables: fix invoking 32bit "iptable -P INPUT ACCEPT" failed in 64bit kernel
netfilter: x_tables: speed up jump target validation
ACPICA: Namespace: fix operand cache leak
ACPI / scan: Prefer devices without _HID/_CID for _ADR matching
ACPI / processor: Avoid reserving IO regions too early
x86/ioapic: Fix incorrect pointers in ioapic_setup_resources()
ipc: msg, make msgrcv work with LONG_MIN
mm, page_alloc: fix potential false positive in __zone_watermark_ok
cma: fix calculation of aligned offset
hwpoison, memcg: forcibly uncharge LRU pages
mm/mmap.c: do not blow on PROT_NONE MAP_FIXED holes in the stack
fs/select: add vmalloc fallback for select(2)
mmc: sdhci-of-esdhc: add/remove some quirks according to vendor version
PCI: layerscape: Fix MSG TLP drop setting
PCI: layerscape: Add "fsl,ls2085a-pcie" compatible ID
drivers: base: cacheinfo: fix boot error message when acpi is enabled
drivers: base: cacheinfo: fix x86 with CONFIG_OF enabled
Prevent timer value 0 for MWAITX
timers: Plug locking race vs. timer migration
time: Avoid undefined behaviour in ktime_add_safe()
PM / sleep: declare __tracedata symbols as char[] rather than char
can: af_can: canfd_rcv(): replace WARN_ONCE by pr_warn_once
can: af_can: can_rcv(): replace WARN_ONCE by pr_warn_once
sched/deadline: Use the revised wakeup rule for suspending constrained dl tasks
x86/retpoline: Fill RSB on context switch for affected CPUs
x86/cpu/intel: Introduce macros for Intel family numbers
x86/microcode/intel: Fix BDW late-loading revision check
usbip: Fix potential format overflow in userspace tools
usbip: Fix implicit fallthrough warning
usbip: prevent vhci_hcd driver from leaking a socket pointer address
x86/asm/32: Make sync_core() handle missing CPUID on all 32-bit kernels
ANDROID: sched: EAS: check energy_aware() before calling select_energy_cpu_brute() in up-migrate path
UPSTREAM: eventpoll.h: add missing epoll event masks
ANDROID: xattr: Pass EOPNOTSUPP to permission2
Conflicts:
kernel/sched/fair.c
Change-Id: I15005cb3bc039f4361d25ed2e22f8175b3d7ca96
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.114
x86/asm/32: Make sync_core() handle missing CPUID on all 32-bit kernels
usbip: prevent vhci_hcd driver from leaking a socket pointer address
usbip: Fix implicit fallthrough warning
usbip: Fix potential format overflow in userspace tools
x86/microcode/intel: Fix BDW late-loading revision check
x86/cpu/intel: Introduce macros for Intel family numbers
x86/retpoline: Fill RSB on context switch for affected CPUs
sched/deadline: Use the revised wakeup rule for suspending constrained dl tasks
can: af_can: can_rcv(): replace WARN_ONCE by pr_warn_once
can: af_can: canfd_rcv(): replace WARN_ONCE by pr_warn_once
PM / sleep: declare __tracedata symbols as char[] rather than char
time: Avoid undefined behaviour in ktime_add_safe()
timers: Plug locking race vs. timer migration
Prevent timer value 0 for MWAITX
drivers: base: cacheinfo: fix x86 with CONFIG_OF enabled
drivers: base: cacheinfo: fix boot error message when acpi is enabled
PCI: layerscape: Add "fsl,ls2085a-pcie" compatible ID
PCI: layerscape: Fix MSG TLP drop setting
mmc: sdhci-of-esdhc: add/remove some quirks according to vendor version
fs/select: add vmalloc fallback for select(2)
mm/mmap.c: do not blow on PROT_NONE MAP_FIXED holes in the stack
hwpoison, memcg: forcibly uncharge LRU pages
cma: fix calculation of aligned offset
mm, page_alloc: fix potential false positive in __zone_watermark_ok
ipc: msg, make msgrcv work with LONG_MIN
x86/ioapic: Fix incorrect pointers in ioapic_setup_resources()
ACPI / processor: Avoid reserving IO regions too early
ACPI / scan: Prefer devices without _HID/_CID for _ADR matching
ACPICA: Namespace: fix operand cache leak
netfilter: x_tables: speed up jump target validation
netfilter: arp_tables: fix invoking 32bit "iptable -P INPUT ACCEPT" failed in 64bit kernel
netfilter: nf_dup_ipv6: set again FLOWI_FLAG_KNOWN_NH at flowi6_flags
netfilter: nf_ct_expect: remove the redundant slash when policy name is empty
netfilter: nfnetlink_queue: reject verdict request from different portid
netfilter: restart search if moved to other chain
netfilter: nf_conntrack_sip: extend request line validation
netfilter: use fwmark_reflect in nf_send_reset
netfilter: fix IS_ERR_VALUE usage
netfilter: nfnetlink_cthelper: Add missing permission checks
netfilter: xt_osf: Add missing permission checks
ext2: Don't clear SGID when inheriting ACLs
reiserfs: fix race in prealloc discard
reiserfs: don't preallocate blocks for extended attributes
reiserfs: Don't clear SGID when inheriting ACLs
fs/fcntl: f_setown, avoid undefined behaviour
scsi: libiscsi: fix shifting of DID_REQUEUE host byte
Revert "module: Add retpoline tag to VERMAGIC"
Input: trackpoint - force 3 buttons if 0 button is reported
usb: usbip: Fix possible deadlocks reported by lockdep
usbip: fix stub_rx: get_pipe() to validate endpoint number
usbip: fix stub_rx: harden CMD_SUBMIT path to handle malicious input
usbip: prevent leaking socket pointer address in messages
um: link vmlinux with -no-pie
vsyscall: Fix permissions for emulate mode with KAISER/PTI
eventpoll.h: add missing epoll event masks
x86/microcode/intel: Extend BDW late-loading further with LLC size check
hrtimer: Reset hrtimer cpu base proper on CPU hotplug
dccp: don't restart ccid2_hc_tx_rto_expire() if sk in closed state
ipv6: Fix getsockopt() for sockets with default IPV6_AUTOFLOWLABEL
ipv6: fix udpv6 sendmsg crash caused by too small MTU
ipv6: ip6_make_skb() needs to clear cork.base.dst
lan78xx: Fix failure in USB Full Speed
net: igmp: fix source address check for IGMPv3 reports
tcp: __tcp_hdrlen() helper
net: qdisc_pkt_len_init() should be more robust
pppoe: take ->needed_headroom of lower device into account on xmit
r8169: fix memory corruption on retrieval of hardware statistics.
sctp: do not allow the v4 socket to bind a v4mapped v6 address
sctp: return error if the asoc has been peeled off in sctp_wait_for_sndbuf
vmxnet3: repair memory leak
net: Allow neigh contructor functions ability to modify the primary_key
ipv4: Make neigh lookup keys for loopback/point-to-point devices be INADDR_ANY
flow_dissector: properly cap thoff field
net: tcp: close sock if net namespace is exiting
nfsd: auth: Fix gid sorting when rootsquash enabled
Linux 4.4.114
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 1995266727fa8143897e89b55f5d3c79aa828420 upstream.
Commit bdcf0a423ea1 ("kernel: make groups_sort calling a responsibility
group_info allocators") appears to break nfsd rootsquash in a pretty
major way.
It adds a call to groups_sort() inside the loop that copies/squashes
gids, which means the valid gids are sorted along with the following
garbage. The net result is that the highest numbered valid gids are
replaced with any lower-valued garbage gids, possibly including 0.
We should sort only once, after filling in all the gids.
Fixes: bdcf0a423ea1 ("kernel: make groups_sort calling a responsibility ...")
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Acked-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Wolfgang Walter <linux@stwm.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit fc3dc67471461c0efcb1ed22fb7595121d65fad9 upstream.
fcntl(0, F_SETOWN, 0x80000000) triggers:
UBSAN: Undefined behaviour in fs/fcntl.c:118:7
negation of -2147483648 cannot be represented in type 'int':
CPU: 1 PID: 18261 Comm: syz-executor Not tainted 4.8.1-0-syzkaller #1
...
Call Trace:
...
[<ffffffffad8f0868>] ? f_setown+0x1d8/0x200
[<ffffffffad8f19a9>] ? SyS_fcntl+0x999/0xf30
[<ffffffffaed1fb00>] ? entry_SYSCALL_64_fastpath+0x23/0xc1
Fix that by checking the arg parameter properly (against INT_MAX) before
"who = -who". And return immediatelly with -EINVAL in case it is wrong.
Note that according to POSIX we can return EINVAL:
http://pubs.opengroup.org/onlinepubs/9699919799/functions/fcntl.html
[EINVAL]
The cmd argument is F_SETOWN and the value of the argument
is not valid as a process or process group identifier.
[v2] returns an error, v1 used to fail silently
[v3] implement proper check for the bad value INT_MIN
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Jeff Layton <jlayton@poochiereds.net>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6883cd7f68245e43e91e5ee583b7550abf14523f upstream.
When new directory 'DIR1' is created in a directory 'DIR0' with SGID bit
set, DIR1 is expected to have SGID bit set (and owning group equal to
the owning group of 'DIR0'). However when 'DIR0' also has some default
ACLs that 'DIR1' inherits, setting these ACLs will result in SGID bit on
'DIR1' to get cleared if user is not member of the owning group.
Fix the problem by moving posix_acl_update_mode() out of
__reiserfs_set_acl() into reiserfs_set_acl(). That way the function will
not be called when inheriting ACLs which is what we want as it prevents
SGID bit clearing and the mode has been properly set by
posix_acl_create() anyway.
Fixes: 073931017b49d9458aa351605b43a7e34598caef
CC: reiserfs-devel@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 54930dfeb46e978b447af0fb8ab4e181c1bf9d7a upstream.
Most extended attributes will fit in a single block. More importantly,
we drop the reference to the inode while holding the transaction open
so the preallocated blocks aren't released. As a result, the inode
may be evicted before it's removed from the transaction's prealloc list
which can cause memory corruption.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 08db141b5313ac2f64b844fb5725b8d81744b417 upstream.
The main loop in __discard_prealloc is protected by the reiserfs write lock
which is dropped across schedules like the BKL it replaced. The problem is
that it checks the value, calls a routine that schedules, and then adjusts
the state. As a result, two threads that are calling
reiserfs_prealloc_discard at the same time can race when one calls
reiserfs_free_prealloc_block, the lock is dropped, and the other calls
reiserfs_free_prealloc_block with the same block number. In the right
circumstances, it can cause the prealloc count to go negative.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a992f2d38e4ce17b8c7d1f7f67b2de0eebdea069 upstream.
When new directory 'DIR1' is created in a directory 'DIR0' with SGID bit
set, DIR1 is expected to have SGID bit set (and owning group equal to
the owning group of 'DIR0'). However when 'DIR0' also has some default
ACLs that 'DIR1' inherits, setting these ACLs will result in SGID bit on
'DIR1' to get cleared if user is not member of the owning group.
Fix the problem by creating __ext2_set_acl() function that does not call
posix_acl_update_mode() and use it when inheriting ACLs. That prevents
SGID bit clearing and the mode has been properly set by
posix_acl_create() anyway.
Fixes: 073931017b49d9458aa351605b43a7e34598caef
CC: stable@vger.kernel.org
CC: linux-ext4@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 2d19309cf86883f634a4f8ec55a54bda87db19bf upstream.
The select(2) syscall performs a kmalloc(size, GFP_KERNEL) where size grows
with the number of fds passed. We had a customer report page allocation
failures of order-4 for this allocation. This is a costly order, so it might
easily fail, as the VM expects such allocation to have a lower-order fallback.
Such trivial fallback is vmalloc(), as the memory doesn't have to be physically
contiguous and the allocation is temporary for the duration of the syscall
only. There were some concerns, whether this would have negative impact on the
system by exposing vmalloc() to userspace. Although an excessive use of vmalloc
can cause some system wide performance issues - TLB flushes etc. - a large
order allocation is not for free either and an excessive reclaim/compaction can
have a similar effect. Also note that the size is effectively limited by
RLIMIT_NOFILE which defaults to 1024 on the systems I checked. That means the
bitmaps will fit well within single page and thus the vmalloc() fallback could
be only excercised for processes where root allows a higher limit.
Note that the poll(2) syscall seems to use a linked list of order-0 pages, so
it doesn't need this kind of fallback.
[eric.dumazet@gmail.com: fix failure path logic]
[akpm@linux-foundation.org: use proper type for size]
Link: http://lkml.kernel.org/r/20160927084536.5923-1-vbabka@suse.cz
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David Laight <David.Laight@ACULAB.COM>
Cc: Hillf Danton <hillf.zj@alibaba-inc.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Jason Baron <jbaron@akamai.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The permission call for xattr operations happens regardless of
whether or not the xattr functions are implemented.
The xattr functions currently don't have support for permission2.
Passing EOPNOTSUPP as the mount point in xattr_permission allows
us to return EOPNOTSUPP early in permission2, if the filesystem
supports it.
Change-Id: I9d07e4cd633cf40af60450ffbff7ac5c1b4e8c2c
Signed-off-by: Daniel Rosenberg <drosen@google.com>
Bug: 35848445
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* refs/heads/tmp-ef588ef
Linux 4.4.113
MIPS: AR7: ensure the port type's FCR value is used
x86/retpoline: Optimize inline assembler for vmexit_fill_RSB
x86/pti: Document fix wrong index
kprobes/x86: Disable optimizing on the function jumps to indirect thunk
kprobes/x86: Blacklist indirect thunk functions for kprobes
retpoline: Introduce start/end markers of indirect thunk
x86/mce: Make machine check speculation protected
kbuild: modversions for EXPORT_SYMBOL() for asm
x86/cpu, x86/pti: Do not enable PTI on AMD processors
arm64: KVM: Fix SMCCC handling of unimplemented SMC/HVC calls
dm thin metadata: THIN_MAX_CONCURRENT_LOCKS should be 6
dm btree: fix serious bug in btree_split_beneath()
libata: apply MAX_SEC_1024 to all LITEON EP1 series devices
can: peak: fix potential bug in packet fragmentation
ARM: dts: kirkwood: fix pin-muxing of MPP7 on OpenBlocks A7
phy: work around 'phys' references to usb-nop-xceiv devices
tracing: Fix converting enum's from the map in trace_event_eval_update()
Input: twl4030-vibra - fix sibling-node lookup
Input: twl6040-vibra - fix child-node lookup
Input: twl6040-vibra - fix DT node memory management
Input: 88pm860x-ts - fix child-node lookup
x86/apic/vector: Fix off by one in error path
pipe: avoid round_pipe_size() nr_pages overflow on 32-bit
module: Add retpoline tag to VERMAGIC
x86/retpoline: Add LFENCE to the retpoline/RSB filling RSB macros
sched/deadline: Zero out positive runtime after throttling constrained tasks
scsi: hpsa: fix volume offline state
af_key: fix buffer overread in parse_exthdrs()
af_key: fix buffer overread in verify_address_len()
ALSA: hda - Apply the existing quirk to iMac 14,1
ALSA: hda - Apply headphone noise quirk for another Dell XPS 13 variant
ALSA: pcm: Remove yet superfluous WARN_ON()
futex: Prevent overflow by strengthen input validation
scsi: sg: disable SET_FORCE_LOW_DMA
x86/retpoline: Remove compile time warning
x86/retpoline: Fill return stack buffer on vmexit
x86/retpoline/irq32: Convert assembler indirect jumps
x86/retpoline/checksum32: Convert assembler indirect jumps
x86/retpoline/xen: Convert Xen hypercall indirect jumps
x86/retpoline/hyperv: Convert assembler indirect jumps
x86/retpoline/ftrace: Convert ftrace assembler indirect jumps
x86/retpoline/entry: Convert entry assembler indirect jumps
x86/retpoline/crypto: Convert crypto assembler indirect jumps
x86/spectre: Add boot time option to select Spectre v2 mitigation
x86/retpoline: Add initial retpoline support
kconfig.h: use __is_defined() to check if MODULE is defined
EXPORT_SYMBOL() for asm
x86/asm: Make asm/alternative.h safe from assembly
x86/kbuild: enable modversions for symbols exported from asm
x86/asm: Use register variable to get stack pointer value
x86/mm/32: Move setup_clear_cpu_cap(X86_FEATURE_PCID) earlier
x86/cpu/AMD: Use LFENCE_RDTSC in preference to MFENCE_RDTSC
x86/cpu/AMD: Make LFENCE a serializing instruction
gcov: disable for COMPILE_TEST
ANDROID: sdcardfs: Move default_normal to superblock
blkdev: Refactoring block io latency histogram codes
FROMLIST: arm64: kpti: Fix the interaction between ASID switching and software PAN
FROMLIST: arm64: Move post_ttbr_update_workaround to C code
FROMLIST: arm64: mm: Rename post_ttbr0_update_workaround
sched: EAS: Initialize push_task as NULL to avoid direct reference on out_unlock path
Conflicts:
arch/arm64/include/asm/efi.h
arch/arm64/include/asm/mmu_context.h
drivers/scsi/sg.c
drivers/scsi/ufs/ufshcd.h
Change-Id: Ibfa06af8ef308077aad6995874d4b7b0a73e95f3
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.113
gcov: disable for COMPILE_TEST
x86/cpu/AMD: Make LFENCE a serializing instruction
x86/cpu/AMD: Use LFENCE_RDTSC in preference to MFENCE_RDTSC
x86/mm/32: Move setup_clear_cpu_cap(X86_FEATURE_PCID) earlier
x86/asm: Use register variable to get stack pointer value
x86/kbuild: enable modversions for symbols exported from asm
x86/asm: Make asm/alternative.h safe from assembly
EXPORT_SYMBOL() for asm
kconfig.h: use __is_defined() to check if MODULE is defined
x86/retpoline: Add initial retpoline support
x86/spectre: Add boot time option to select Spectre v2 mitigation
x86/retpoline/crypto: Convert crypto assembler indirect jumps
x86/retpoline/entry: Convert entry assembler indirect jumps
x86/retpoline/ftrace: Convert ftrace assembler indirect jumps
x86/retpoline/hyperv: Convert assembler indirect jumps
x86/retpoline/xen: Convert Xen hypercall indirect jumps
x86/retpoline/checksum32: Convert assembler indirect jumps
x86/retpoline/irq32: Convert assembler indirect jumps
x86/retpoline: Fill return stack buffer on vmexit
x86/retpoline: Remove compile time warning
scsi: sg: disable SET_FORCE_LOW_DMA
futex: Prevent overflow by strengthen input validation
ALSA: pcm: Remove yet superfluous WARN_ON()
ALSA: hda - Apply headphone noise quirk for another Dell XPS 13 variant
ALSA: hda - Apply the existing quirk to iMac 14,1
af_key: fix buffer overread in verify_address_len()
af_key: fix buffer overread in parse_exthdrs()
scsi: hpsa: fix volume offline state
sched/deadline: Zero out positive runtime after throttling constrained tasks
x86/retpoline: Add LFENCE to the retpoline/RSB filling RSB macros
module: Add retpoline tag to VERMAGIC
pipe: avoid round_pipe_size() nr_pages overflow on 32-bit
x86/apic/vector: Fix off by one in error path
Input: 88pm860x-ts - fix child-node lookup
Input: twl6040-vibra - fix DT node memory management
Input: twl6040-vibra - fix child-node lookup
Input: twl4030-vibra - fix sibling-node lookup
tracing: Fix converting enum's from the map in trace_event_eval_update()
phy: work around 'phys' references to usb-nop-xceiv devices
ARM: dts: kirkwood: fix pin-muxing of MPP7 on OpenBlocks A7
can: peak: fix potential bug in packet fragmentation
libata: apply MAX_SEC_1024 to all LITEON EP1 series devices
dm btree: fix serious bug in btree_split_beneath()
dm thin metadata: THIN_MAX_CONCURRENT_LOCKS should be 6
arm64: KVM: Fix SMCCC handling of unimplemented SMC/HVC calls
x86/cpu, x86/pti: Do not enable PTI on AMD processors
kbuild: modversions for EXPORT_SYMBOL() for asm
x86/mce: Make machine check speculation protected
retpoline: Introduce start/end markers of indirect thunk
kprobes/x86: Blacklist indirect thunk functions for kprobes
kprobes/x86: Disable optimizing on the function jumps to indirect thunk
x86/pti: Document fix wrong index
x86/retpoline: Optimize inline assembler for vmexit_fill_RSB
MIPS: AR7: ensure the port type's FCR value is used
Linux 4.4.113
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit d3f14c485867cfb2e0c48aa88c41d0ef4bf5209c upstream.
round_pipe_size() contains a right-bit-shift expression which may
overflow, which would cause undefined results in a subsequent
roundup_pow_of_two() call.
static inline unsigned int round_pipe_size(unsigned int size)
{
unsigned long nr_pages;
nr_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
return roundup_pow_of_two(nr_pages) << PAGE_SHIFT;
}
PAGE_SIZE is defined as (1UL << PAGE_SHIFT), so:
- 4 bytes wide on 32-bit (0 to 0xffffffff)
- 8 bytes wide on 64-bit (0 to 0xffffffffffffffff)
That means that 32-bit round_pipe_size(), nr_pages may overflow to 0:
size=0x00000000 nr_pages=0x0
size=0x00000001 nr_pages=0x1
size=0xfffff000 nr_pages=0xfffff
size=0xfffff001 nr_pages=0x0 << !
size=0xffffffff nr_pages=0x0 << !
This is bad because roundup_pow_of_two(n) is undefined when n == 0!
64-bit is not a problem as the unsigned int size is 4 bytes wide
(similar to 32-bit) and the larger, 8 byte wide unsigned long, is
sufficient to handle the largest value of the bit shift expression:
size=0xffffffff nr_pages=100000
Modify round_pipe_size() to return 0 if n == 0 and updates its callers to
handle accordingly.
Link: http://lkml.kernel.org/r/1507658689-11669-3-git-send-email-joe.lawrence@redhat.com
Signed-off-by: Joe Lawrence <joe.lawrence@redhat.com>
Reported-by: Mikulas Patocka <mpatocka@redhat.com>
Reviewed-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dong Jinguang <dongjinguang@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Moving default_normal from mount info to superblock info
as it doesn't need to change between mount points.
Signed-off-by: Daniel Rosenberg <drosen@google.com>
Bug: 72158116
Change-Id: I16c6a0577c601b4f7566269f7e189fcf697afd4e
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* refs/heads/tmp-5f6325b
Linux 4.4.112
selftests/x86: Add test_vsyscall
x86/alternatives: Add missing '\n' at end of ALTERNATIVE inline asm
x86/alternatives: Fix optimize_nops() checking
sysfs/cpu: Fix typos in vulnerability documentation
x86/cpu: Implement CPU vulnerabilites sysfs functions
sysfs/cpu: Add vulnerability folder
x86/cpu: Merge bugs.c and bugs_64.c
x86/cpufeatures: Add X86_BUG_SPECTRE_V[12]
x86/pti: Rename BUG_CPU_INSECURE to BUG_CPU_MELTDOWN
x86/cpufeatures: Add X86_BUG_CPU_INSECURE
x86/cpufeatures: Make CPU bugs sticky
x86/cpu: Factor out application of forced CPU caps
x86/Documentation: Add PTI description
e1000e: Fix e1000_check_for_copper_link_ich8lan return value.
uas: ignore UAS for Norelsys NS1068(X) chips
Bluetooth: Prevent stack info leak from the EFS element.
staging: android: ashmem: fix a race condition in ASHMEM_SET_SIZE ioctl
usbip: remove kernel addresses from usb device and urb debug msgs
USB: fix usbmon BUG trigger
usb: misc: usb3503: make sure reset is low for at least 100us
USB: serial: cp210x: add new device ID ELV ALC 8xxx
USB: serial: cp210x: add IDs for LifeScan OneTouch Verio IQ
target: Avoid early CMD_T_PRE_EXECUTE failures during ABORT_TASK
iscsi-target: Make TASK_REASSIGN use proper se_cmd->cmd_kref
bpf, array: fix overflow in max_entries and undefined behavior in index_mask
bpf: prevent out-of-bounds speculation
bpf: adjust insn_aux_data when patching insns
bpf: refactor fixup_bpf_calls()
bpf: move fixup_bpf_calls() function
bpf: don't (ab)use instructions to store state
bpf: add bpf_patch_insn_single helper
kaiser: Set _PAGE_NX only if supported
drm/vmwgfx: Potential off by one in vmw_view_add()
KVM: x86: Add memory barrier on vmcs field lookup
x86/microcode/intel: Extend BDW late-loading with a revision check
rbd: set max_segments to USHRT_MAX
crypto: algapi - fix NULL dereference in crypto_remove_spawns()
ipv6: fix possible mem leaks in ipv6_make_skb()
net: stmmac: enable EEE in MII, GMII or RGMII only
sh_eth: fix SH7757 GEther initialization
sh_eth: fix TSU resource handling
RDS: null pointer dereference in rds_atomic_free_op
RDS: Heap OOB write in rds_message_alloc_sgs()
net: core: fix module type in sock_diag_bind
ip6_tunnel: disable dst caching if tunnel is dual-stack
8021q: fix a memory leak for VLAN 0 device
x86/pti/efi: broken conversion from efi to kernel page table
Revert "userfaultfd: selftest: vm: allow to build in vm/ directory"
xhci: Fix ring leak in failure path of xhci_alloc_virt_device()
sysrq: Fix warning in sysrq generated crash.
hwrng: core - sleep interruptible in read
x86/mm/pat, /dev/mem: Remove superfluous error message
cx82310_eth: use skb_cow_head() to deal with cloned skbs
smsc75xx: use skb_cow_head() to deal with cloned skbs
sr9700: use skb_cow_head() to deal with cloned skbs
lan78xx: use skb_cow_head() to deal with cloned skbs
r8152: adjust ALDPS function
r8152: use test_and_clear_bit
r8152: fix the wake event
usb: musb: ux500: Fix NULL pointer dereference at system PM
usbvision fix overflow of interfaces array
locking/mutex: Allow next waiter lockless wakeup
futex: Replace barrier() in unqueue_me() with READ_ONCE()
locks: don't check for race with close when setting OFD lock
zswap: don't param_set_charp while holding spinlock
mm/zswap: use workqueue to destroy pool
mm/page-writeback: fix dirty_ratelimit calculation
mm/compaction: pass only pageblock aligned range to pageblock_pfn_to_page
mm/compaction: fix invalid free_pfn and compact_cached_free_pfn
x86/acpi: Reduce code duplication in mp_override_legacy_irq()
ALSA: aloop: Fix racy hw constraints adjustment
ALSA: aloop: Fix inconsistent format due to incomplete rule
ALSA: aloop: Release cable upon open error path
ALSA: pcm: Allow aborting mutex lock at OSS read/write loops
ALSA: pcm: Abort properly at pending signal in OSS read/write loops
ALSA: pcm: Add missing error checks in OSS emulation plugin builder
ALSA: pcm: Remove incorrect snd_BUG_ON() usages
iommu/arm-smmu-v3: Don't free page table ops twice
x86/acpi: Handle SCI interrupts above legacy space gracefully
x86/vsdo: Fix build on PARAVIRT_CLOCK=y, KVM_GUEST=n
kvm: vmx: Scrub hardware GPRs at VM-exit
net/mac80211/debugfs.c: prevent build failure with CONFIG_UBSAN=y
MIPS: Disallow outsized PTRACE_SETREGSET NT_PRFPREG regset accesses
MIPS: Also verify sizeof `elf_fpreg_t' with PTRACE_SETREGSET
MIPS: Fix an FCSR access API regression with NT_PRFPREG and MSA
MIPS: Consistently handle buffer counter with PTRACE_SETREGSET
MIPS: Guard against any partial write attempt with PTRACE_SETREGSET
MIPS: Factor out NT_PRFPREG regset access helpers
MIPS: Validate PR_SET_FP_MODE prctl(2) requests against the ABI of the task
IB/srpt: Disable RDMA access by the initiator
can: gs_usb: fix return value of the "set_bittiming" callback
KVM: Fix stack-out-of-bounds read in write_mmio
dm bufio: fix shrinker scans when (nr_to_scan < retain_target)
fscrypt: updates on 4.15-rc4
ANDROID: uid_sys_stats: fix the comment
BACKPORT: optee: fix invalid of_node_put() in optee_driver_init()
BACKPORT: tee: optee: sync with new naming of interrupts
BACKPORT: tee: indicate privileged dev in gen_caps
BACKPORT: tee: optee: interruptible RPC sleep
BACKPORT: tee: optee: add const to tee_driver_ops and tee_desc structures
BACKPORT: tee: tee_shm: Constify dma_buf_ops structures.
BACKPORT: tee: add forward declaration for struct device
BACKPORT: tee: optee: fix uninitialized symbol 'parg'
BACKPORT: tee.txt: standardize document format
BACKPORT: tee: add ARM_SMCCC dependency
BACKPORT: selinux: nlmsgtab: add SOCK_DESTROY to the netlink mapping tables
Conflicts:
security/selinux/nlmsgtab.c
Change-Id: I5770a565f39c321f2305f8228e41f822e3cd0625
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.112
dm bufio: fix shrinker scans when (nr_to_scan < retain_target)
KVM: Fix stack-out-of-bounds read in write_mmio
can: gs_usb: fix return value of the "set_bittiming" callback
IB/srpt: Disable RDMA access by the initiator
MIPS: Validate PR_SET_FP_MODE prctl(2) requests against the ABI of the task
MIPS: Factor out NT_PRFPREG regset access helpers
MIPS: Guard against any partial write attempt with PTRACE_SETREGSET
MIPS: Consistently handle buffer counter with PTRACE_SETREGSET
MIPS: Fix an FCSR access API regression with NT_PRFPREG and MSA
MIPS: Also verify sizeof `elf_fpreg_t' with PTRACE_SETREGSET
MIPS: Disallow outsized PTRACE_SETREGSET NT_PRFPREG regset accesses
net/mac80211/debugfs.c: prevent build failure with CONFIG_UBSAN=y
kvm: vmx: Scrub hardware GPRs at VM-exit
x86/vsdo: Fix build on PARAVIRT_CLOCK=y, KVM_GUEST=n
x86/acpi: Handle SCI interrupts above legacy space gracefully
iommu/arm-smmu-v3: Don't free page table ops twice
ALSA: pcm: Remove incorrect snd_BUG_ON() usages
ALSA: pcm: Add missing error checks in OSS emulation plugin builder
ALSA: pcm: Abort properly at pending signal in OSS read/write loops
ALSA: pcm: Allow aborting mutex lock at OSS read/write loops
ALSA: aloop: Release cable upon open error path
ALSA: aloop: Fix inconsistent format due to incomplete rule
ALSA: aloop: Fix racy hw constraints adjustment
x86/acpi: Reduce code duplication in mp_override_legacy_irq()
mm/compaction: fix invalid free_pfn and compact_cached_free_pfn
mm/compaction: pass only pageblock aligned range to pageblock_pfn_to_page
mm/page-writeback: fix dirty_ratelimit calculation
mm/zswap: use workqueue to destroy pool
zswap: don't param_set_charp while holding spinlock
locks: don't check for race with close when setting OFD lock
futex: Replace barrier() in unqueue_me() with READ_ONCE()
locking/mutex: Allow next waiter lockless wakeup
usbvision fix overflow of interfaces array
usb: musb: ux500: Fix NULL pointer dereference at system PM
r8152: fix the wake event
r8152: use test_and_clear_bit
r8152: adjust ALDPS function
lan78xx: use skb_cow_head() to deal with cloned skbs
sr9700: use skb_cow_head() to deal with cloned skbs
smsc75xx: use skb_cow_head() to deal with cloned skbs
cx82310_eth: use skb_cow_head() to deal with cloned skbs
x86/mm/pat, /dev/mem: Remove superfluous error message
hwrng: core - sleep interruptible in read
sysrq: Fix warning in sysrq generated crash.
xhci: Fix ring leak in failure path of xhci_alloc_virt_device()
Revert "userfaultfd: selftest: vm: allow to build in vm/ directory"
x86/pti/efi: broken conversion from efi to kernel page table
8021q: fix a memory leak for VLAN 0 device
ip6_tunnel: disable dst caching if tunnel is dual-stack
net: core: fix module type in sock_diag_bind
RDS: Heap OOB write in rds_message_alloc_sgs()
RDS: null pointer dereference in rds_atomic_free_op
sh_eth: fix TSU resource handling
sh_eth: fix SH7757 GEther initialization
net: stmmac: enable EEE in MII, GMII or RGMII only
ipv6: fix possible mem leaks in ipv6_make_skb()
crypto: algapi - fix NULL dereference in crypto_remove_spawns()
rbd: set max_segments to USHRT_MAX
x86/microcode/intel: Extend BDW late-loading with a revision check
KVM: x86: Add memory barrier on vmcs field lookup
drm/vmwgfx: Potential off by one in vmw_view_add()
kaiser: Set _PAGE_NX only if supported
bpf: add bpf_patch_insn_single helper
bpf: don't (ab)use instructions to store state
bpf: move fixup_bpf_calls() function
bpf: refactor fixup_bpf_calls()
bpf: adjust insn_aux_data when patching insns
bpf: prevent out-of-bounds speculation
bpf, array: fix overflow in max_entries and undefined behavior in index_mask
iscsi-target: Make TASK_REASSIGN use proper se_cmd->cmd_kref
target: Avoid early CMD_T_PRE_EXECUTE failures during ABORT_TASK
USB: serial: cp210x: add IDs for LifeScan OneTouch Verio IQ
USB: serial: cp210x: add new device ID ELV ALC 8xxx
usb: misc: usb3503: make sure reset is low for at least 100us
USB: fix usbmon BUG trigger
usbip: remove kernel addresses from usb device and urb debug msgs
staging: android: ashmem: fix a race condition in ASHMEM_SET_SIZE ioctl
Bluetooth: Prevent stack info leak from the EFS element.
uas: ignore UAS for Norelsys NS1068(X) chips
e1000e: Fix e1000_check_for_copper_link_ich8lan return value.
x86/Documentation: Add PTI description
x86/cpu: Factor out application of forced CPU caps
x86/cpufeatures: Make CPU bugs sticky
x86/cpufeatures: Add X86_BUG_CPU_INSECURE
x86/pti: Rename BUG_CPU_INSECURE to BUG_CPU_MELTDOWN
x86/cpufeatures: Add X86_BUG_SPECTRE_V[12]
x86/cpu: Merge bugs.c and bugs_64.c
sysfs/cpu: Add vulnerability folder
x86/cpu: Implement CPU vulnerabilites sysfs functions
sysfs/cpu: Fix typos in vulnerability documentation
x86/alternatives: Fix optimize_nops() checking
x86/alternatives: Add missing '\n' at end of ALTERNATIVE inline asm
selftests/x86: Add test_vsyscall
Linux 4.4.112
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 0752ba807b04ccd69cb4bc8bbf829a80ee208a3c upstream.
We don't clean out OFD locks on close(), so there's no need to check
for a race with them here. They'll get cleaned out at the same time
that flock locks are.
Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
Acked-by: "J. Bruce Fields" <bfields@fieldses.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Mel Gorman <mgorman@suse.de>
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Cherry-picked from origin/upstream-f2fs-stable-linux-4.4.y:
ba1ade71012d fscrypt: resolve some cherry-pick bugs
9e32f17d241b fscrypt: move to generic async completion
4ecacbed6e1c crypto: introduce crypto wait for async op
42d89da82b25 fscrypt: lock mutex before checking for bounce page pool
2286508d17c2 fscrypt: new helper function - fscrypt_prepare_setattr()
5cbdd42ad248 fscrypt: new helper function - fscrypt_prepare_lookup()
a31feba5c18f fscrypt: new helper function - fscrypt_prepare_rename()
95efafb6239d fscrypt: new helper function - fscrypt_prepare_link()
2b4b4f98dddf fscrypt: new helper function - fscrypt_file_open()
8c815f381cd6 fscrypt: new helper function - fscrypt_require_key()
272e43502577 fscrypt: remove unneeded empty fscrypt_operations structs
1034eeec516a fscrypt: remove ->is_encrypted()
32c0d3ae9d66 fscrypt: switch from ->is_encrypted() to IS_ENCRYPTED()
a4781dd1f175 fs, fscrypt: add an S_ENCRYPTED inode flag
ff0a3dbc9392 fscrypt: clean up include file mess
bc4a61c60bea fscrypt: fix dereference of NULL user_key_payload
a53dc7e00559 fscrypt: make ->dummy_context() return bool
Change-Id: I461d742adc7b77177df91429a1fd9c8624a698d6
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
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* refs/heads/tmp-f851888
Linux 4.4.111
Fix build error in vma.c
Map the vsyscall page with _PAGE_USER
proc: much faster /proc/vmstat
module: Issue warnings when tainting kernel
module: keep percpu symbols in module's symtab
genksyms: Handle string literals with spaces in reference files
x86/tlb: Drop the _GPL from the cpu_tlbstate export
parisc: Fix alignment of pa_tlb_lock in assembly on 32-bit SMP kernel
x86/microcode/AMD: Add support for fam17h microcode loading
Input: elantech - add new icbody type 15
ARC: uaccess: dont use "l" gcc inline asm constraint modifier
kernel/signal.c: remove the no longer needed SIGNAL_UNKILLABLE check in complete_signal()
kernel/signal.c: protect the SIGNAL_UNKILLABLE tasks from !sig_kernel_only() signals
kernel/signal.c: protect the traced SIGNAL_UNKILLABLE tasks from SIGKILL
kernel: make groups_sort calling a responsibility group_info allocators
fscache: Fix the default for fscache_maybe_release_page()
sunxi-rsb: Include OF based modalias in device uevent
crypto: pcrypt - fix freeing pcrypt instances
crypto: chacha20poly1305 - validate the digest size
crypto: n2 - cure use after free
kernel/acct.c: fix the acct->needcheck check in check_free_space()
x86/kasan: Write protect kasan zero shadow
clocksource: arch_timer: make virtual counter access configurable
arm64: issue isb when trapping CNTVCT_EL0 access
BACKPORT: arm64: Add CNTFRQ_EL0 trap handler
BACKPORT: arm64: Add CNTVCT_EL0 trap handler
ANDROID: sdcardfs: Fix missing break on default_normal
ANDROID: usb: f_fs: Prevent gadget unbind if it is already unbound
arm64: Kconfig: Reword UNMAP_KERNEL_AT_EL0 kconfig entry
arm64: use RET instruction for exiting the trampoline
FROMLIST: arm64: kaslr: Put kernel vectors address in separate data page
FROMLIST: arm64: mm: Introduce TTBR_ASID_MASK for getting at the ASID in the TTBR
FROMLIST: arm64: Kconfig: Add CONFIG_UNMAP_KERNEL_AT_EL0
FROMLIST: arm64: entry: Add fake CPU feature for unmapping the kernel at EL0
FROMLIST: arm64: tls: Avoid unconditional zeroing of tpidrro_el0 for native tasks
FROMLIST: arm64: erratum: Work around Falkor erratum #E1003 in trampoline code
FROMLIST: arm64: entry: Hook up entry trampoline to exception vectors
FROMLIST: arm64: entry: Explicitly pass exception level to kernel_ventry macro
FROMLIST: arm64: mm: Map entry trampoline into trampoline and kernel page tables
FROMLIST: arm64: entry: Add exception trampoline page for exceptions from EL0
FROMLIST: arm64: mm: Invalidate both kernel and user ASIDs when performing TLBI
FROMLIST: arm64: mm: Add arm64_kernel_unmapped_at_el0 helper
FROMLIST: arm64: mm: Allocate ASIDs in pairs
FROMLIST: arm64: mm: Fix and re-enable ARM64_SW_TTBR0_PAN
FROMLIST: arm64: mm: Move ASID from TTBR0 to TTBR1
FROMLIST: arm64: mm: Temporarily disable ARM64_SW_TTBR0_PAN
FROMLIST: arm64: mm: Use non-global mappings for kernel space
UPSTREAM: arm64: factor out entry stack manipulation
UPSTREAM: arm64: tlbflush.h: add __tlbi() macro
Conflicts:
arch/arm64/include/asm/cpufeature.h
arch/arm64/kernel/asm-offsets.c
arch/arm64/kernel/cpufeature.c
arch/arm64/kernel/entry.S
arch/arm64/kernel/vmlinux.lds.S
drivers/clocksource/Kconfig
drivers/clocksource/arm_arch_timer.c
drivers/usb/gadget/function/f_fs.c
Change-Id: I41e84762e30c9a7b1e283850c3f780f3dbe86f44
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.111
x86/kasan: Write protect kasan zero shadow
kernel/acct.c: fix the acct->needcheck check in check_free_space()
crypto: n2 - cure use after free
crypto: chacha20poly1305 - validate the digest size
crypto: pcrypt - fix freeing pcrypt instances
sunxi-rsb: Include OF based modalias in device uevent
fscache: Fix the default for fscache_maybe_release_page()
kernel: make groups_sort calling a responsibility group_info allocators
kernel/signal.c: protect the traced SIGNAL_UNKILLABLE tasks from SIGKILL
kernel/signal.c: protect the SIGNAL_UNKILLABLE tasks from !sig_kernel_only() signals
kernel/signal.c: remove the no longer needed SIGNAL_UNKILLABLE check in complete_signal()
ARC: uaccess: dont use "l" gcc inline asm constraint modifier
Input: elantech - add new icbody type 15
x86/microcode/AMD: Add support for fam17h microcode loading
parisc: Fix alignment of pa_tlb_lock in assembly on 32-bit SMP kernel
x86/tlb: Drop the _GPL from the cpu_tlbstate export
genksyms: Handle string literals with spaces in reference files
module: keep percpu symbols in module's symtab
module: Issue warnings when tainting kernel
proc: much faster /proc/vmstat
Map the vsyscall page with _PAGE_USER
Fix build error in vma.c
Linux 4.4.111
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit bdcf0a423ea1c40bbb40e7ee483b50fc8aa3d758 upstream.
In testing, we found that nfsd threads may call set_groups in parallel
for the same entry cached in auth.unix.gid, racing in the call of
groups_sort, corrupting the groups for that entry and leading to
permission denials for the client.
This patch:
- Make groups_sort globally visible.
- Move the call to groups_sort to the modifiers of group_info
- Remove the call to groups_sort from set_groups
Link: http://lkml.kernel.org/r/20171211151420.18655-1-thiago.becker@gmail.com
Signed-off-by: Thiago Rafael Becker <thiago.becker@gmail.com>
Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com>
Reviewed-by: NeilBrown <neilb@suse.com>
Acked-by: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Daniel Rosenberg <drosen@google.com>
Bug: 64672411
Change-Id: I98796df95dc9846adb77a11f49a1a254fb1618b1
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* refs/heads/tmp-5cc8c2e
Linux 4.4.110
kaiser: Set _PAGE_NX only if supported
x86/kasan: Clear kasan_zero_page after TLB flush
x86/vdso: Get pvclock data from the vvar VMA instead of the fixmap
x86, vdso, pvclock: Simplify and speed up the vdso pvclock reader
KPTI: Report when enabled
KPTI: Rename to PAGE_TABLE_ISOLATION
x86/kaiser: Move feature detection up
kaiser: disabled on Xen PV
x86/kaiser: Reenable PARAVIRT
x86/paravirt: Dont patch flush_tlb_single
kaiser: kaiser_flush_tlb_on_return_to_user() check PCID
kaiser: asm/tlbflush.h handle noPGE at lower level
kaiser: drop is_atomic arg to kaiser_pagetable_walk()
kaiser: use ALTERNATIVE instead of x86_cr3_pcid_noflush
x86/kaiser: Check boottime cmdline params
x86/kaiser: Rename and simplify X86_FEATURE_KAISER handling
kaiser: add "nokaiser" boot option, using ALTERNATIVE
kaiser: fix unlikely error in alloc_ldt_struct()
kaiser: _pgd_alloc() without __GFP_REPEAT to avoid stalls
kaiser: paranoid_entry pass cr3 need to paranoid_exit
kaiser: x86_cr3_pcid_noflush and x86_cr3_pcid_user
kaiser: PCID 0 for kernel and 128 for user
kaiser: load_new_mm_cr3() let SWITCH_USER_CR3 flush user
kaiser: enhanced by kernel and user PCIDs
kaiser: vmstat show NR_KAISERTABLE as nr_overhead
kaiser: delete KAISER_REAL_SWITCH option
kaiser: name that 0x1000 KAISER_SHADOW_PGD_OFFSET
kaiser: cleanups while trying for gold link
kaiser: kaiser_remove_mapping() move along the pgd
kaiser: tidied up kaiser_add/remove_mapping slightly
kaiser: tidied up asm/kaiser.h somewhat
kaiser: ENOMEM if kaiser_pagetable_walk() NULL
kaiser: fix perf crashes
kaiser: fix regs to do_nmi() ifndef CONFIG_KAISER
kaiser: KAISER depends on SMP
kaiser: fix build and FIXME in alloc_ldt_struct()
kaiser: stack map PAGE_SIZE at THREAD_SIZE-PAGE_SIZE
kaiser: do not set _PAGE_NX on pgd_none
kaiser: merged update
KAISER: Kernel Address Isolation
x86/boot: Add early cmdline parsing for options with arguments
ANDROID: sdcardfs: Add default_normal option
ANDROID: sdcardfs: notify lower file of opens
Conflicts:
kernel/fork.c
Change-Id: I9c8c12e63321d79dc2c89fb470ca8de587366911
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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The default_normal option causes mounts with the gid set to
AID_SDCARD_RW to have user specific gids, as in the normal case.
Signed-off-by: Daniel Rosenberg <drosen@google.com>
Change-Id: I9619b8ac55f41415df943484dc8db1ea986cef6f
Bug: 64672411
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fsnotify_open is not called within dentry_open,
so we need to call it ourselves.
Change-Id: Ia7f323b3d615e6ca5574e114e8a5d7973fb4c119
Signed-off-by: Daniel Rosenberg <drosen@google.com>
Bug: 70706497
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* refs/heads/tmp-79f138a
Linux 4.4.107
ath9k: fix tx99 potential info leak
IB/ipoib: Grab rtnl lock on heavy flush when calling ndo_open/stop
RDMA/cma: Avoid triggering undefined behavior
macvlan: Only deliver one copy of the frame to the macvlan interface
udf: Avoid overflow when session starts at large offset
scsi: bfa: integer overflow in debugfs
scsi: sd: change allow_restart to bool in sysfs interface
scsi: sd: change manage_start_stop to bool in sysfs interface
vt6655: Fix a possible sleep-in-atomic bug in vt6655_suspend
scsi: scsi_devinfo: Add REPORTLUN2 to EMC SYMMETRIX blacklist entry
raid5: Set R5_Expanded on parity devices as well as data.
pinctrl: adi2: Fix Kconfig build problem
usb: musb: da8xx: fix babble condition handling
tty fix oops when rmmod 8250
powerpc/perf/hv-24x7: Fix incorrect comparison in memord
scsi: hpsa: destroy sas transport properties before scsi_host
scsi: hpsa: cleanup sas_phy structures in sysfs when unloading
PCI: Detach driver before procfs & sysfs teardown on device remove
xfs: fix incorrect extent state in xfs_bmap_add_extent_unwritten_real
xfs: fix log block underflow during recovery cycle verification
l2tp: cleanup l2tp_tunnel_delete calls
bcache: fix wrong cache_misses statistics
bcache: explicitly destroy mutex while exiting
GFS2: Take inode off order_write list when setting jdata flag
thermal/drivers/step_wise: Fix temperature regulation misbehavior
ppp: Destroy the mutex when cleanup
clk: tegra: Fix cclk_lp divisor register
clk: imx6: refine hdmi_isfr's parent to make HDMI work on i.MX6 SoCs w/o VPU
clk: mediatek: add the option for determining PLL source clock
mm: Handle 0 flags in _calc_vm_trans() macro
crypto: tcrypt - fix buffer lengths in test_aead_speed()
arm-ccn: perf: Prevent module unload while PMU is in use
target/file: Do not return error for UNMAP if length is zero
target:fix condition return in core_pr_dump_initiator_port()
iscsi-target: fix memory leak in lio_target_tiqn_addtpg()
target/iscsi: Fix a race condition in iscsit_add_reject_from_cmd()
powerpc/ipic: Fix status get and status clear
powerpc/opal: Fix EBUSY bug in acquiring tokens
netfilter: ipvs: Fix inappropriate output of procfs
powerpc/powernv/cpufreq: Fix the frequency read by /proc/cpuinfo
PCI/PME: Handle invalid data when reading Root Status
dmaengine: ti-dma-crossbar: Correct am335x/am43xx mux value type
rtc: pcf8563: fix output clock rate
video: fbdev: au1200fb: Return an error code if a memory allocation fails
video: fbdev: au1200fb: Release some resources if a memory allocation fails
video: udlfb: Fix read EDID timeout
fbdev: controlfb: Add missing modes to fix out of bounds access
sfc: don't warn on successful change of MAC
target: fix race during implicit transition work flushes
target: fix ALUA transition timeout handling
target: Use system workqueue for ALUA transitions
btrfs: add missing memset while reading compressed inline extents
NFSv4.1 respect server's max size in CREATE_SESSION
efi/esrt: Cleanup bad memory map log messages
perf symbols: Fix symbols__fixup_end heuristic for corner cases
net/mlx4_core: Avoid delays during VF driver device shutdown
afs: Fix afs_kill_pages()
afs: Fix page leak in afs_write_begin()
afs: Populate and use client modification time
afs: Fix the maths in afs_fs_store_data()
afs: Prevent callback expiry timer overflow
afs: Migrate vlocation fields to 64-bit
afs: Flush outstanding writes when an fd is closed
afs: Adjust mode bits processing
afs: Populate group ID from vnode status
afs: Fix missing put_page()
drm/radeon: reinstate oland workaround for sclk
mmc: mediatek: Fixed bug where clock frequency could be set wrong
sched/deadline: Use deadline instead of period when calculating overflow
sched/deadline: Throttle a constrained deadline task activated after the deadline
sched/deadline: Make sure the replenishment timer fires in the next period
drm/radeon/si: add dpm quirk for Oland
fjes: Fix wrong netdevice feature flags
scsi: hpsa: limit outstanding rescans
scsi: hpsa: update check for logical volume status
openrisc: fix issue handling 8 byte get_user calls
intel_th: pci: Add Gemini Lake support
mlxsw: reg: Fix SPVMLR max record count
mlxsw: reg: Fix SPVM max record count
net: Resend IGMP memberships upon peer notification.
dmaengine: Fix array index out of bounds warning in __get_unmap_pool()
net: wimax/i2400m: fix NULL-deref at probe
writeback: fix memory leak in wb_queue_work()
netfilter: bridge: honor frag_max_size when refragmenting
drm/omap: fix dmabuf mmap for dma_alloc'ed buffers
Input: i8042 - add TUXEDO BU1406 (N24_25BU) to the nomux list
NFSD: fix nfsd_reset_versions for NFSv4.
NFSD: fix nfsd_minorversion(.., NFSD_AVAIL)
net: bcmgenet: Power up the internal PHY before probing the MII
net: bcmgenet: power down internal phy if open or resume fails
net: bcmgenet: reserved phy revisions must be checked first
net: bcmgenet: correct MIB access of UniMAC RUNT counters
net: bcmgenet: correct the RBUF_OVFL_CNT and RBUF_ERR_CNT MIB values
net: initialize msg.msg_flags in recvfrom
userfaultfd: selftest: vm: allow to build in vm/ directory
userfaultfd: shmem: __do_fault requires VM_FAULT_NOPAGE
md-cluster: free md_cluster_info if node leave cluster
usb: phy: isp1301: Add OF device ID table
mac80211: Fix addition of mesh configuration element
KEYS: add missing permission check for request_key() destination
ext4: fix crash when a directory's i_size is too small
ext4: fix fdatasync(2) after fallocate(2) operation
dmaengine: dmatest: move callback wait queue to thread context
sched/rt: Do not pull from current CPU if only one CPU to pull
xhci: Don't add a virt_dev to the devs array before it's fully allocated
Bluetooth: btusb: driver to enable the usb-wakeup feature
ceph: drop negative child dentries before try pruning inode's alias
usbip: fix stub_send_ret_submit() vulnerability to null transfer_buffer
USB: core: prevent malicious bNumInterfaces overflow
USB: uas and storage: Add US_FL_BROKEN_FUA for another JMicron JMS567 ID
tracing: Allocate mask_str buffer dynamically
autofs: fix careless error in recent commit
crypto: salsa20 - fix blkcipher_walk API usage
crypto: hmac - require that the underlying hash algorithm is unkeyed
UPSTREAM: arm64: setup: introduce kaslr_offset()
UPSTREAM: kcov: fix comparison callback signature
UPSTREAM: kcov: support comparison operands collection
UPSTREAM: kcov: remove pointless current != NULL check
UPSTREAM: kcov: support compat processes
UPSTREAM: kcov: simplify interrupt check
UPSTREAM: kcov: make kcov work properly with KASLR enabled
UPSTREAM: kcov: add more missing includes
UPSTREAM: kcov: add missing #include <linux/sched.h>
UPSTREAM: kcov: properly check if we are in an interrupt
UPSTREAM: kcov: don't profile branches in kcov
UPSTREAM: kcov: don't trace the code coverage code
BACKPORT: kernel: add kcov code coverage
Conflicts:
Makefile
mm/kasan/Makefile
scripts/Makefile.lib
Change-Id: Ic19953706ea2e700621b0ba94d1c90bbffa4f471
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.107
crypto: hmac - require that the underlying hash algorithm is unkeyed
crypto: salsa20 - fix blkcipher_walk API usage
autofs: fix careless error in recent commit
tracing: Allocate mask_str buffer dynamically
USB: uas and storage: Add US_FL_BROKEN_FUA for another JMicron JMS567 ID
USB: core: prevent malicious bNumInterfaces overflow
usbip: fix stub_send_ret_submit() vulnerability to null transfer_buffer
ceph: drop negative child dentries before try pruning inode's alias
Bluetooth: btusb: driver to enable the usb-wakeup feature
xhci: Don't add a virt_dev to the devs array before it's fully allocated
sched/rt: Do not pull from current CPU if only one CPU to pull
dmaengine: dmatest: move callback wait queue to thread context
ext4: fix fdatasync(2) after fallocate(2) operation
ext4: fix crash when a directory's i_size is too small
KEYS: add missing permission check for request_key() destination
mac80211: Fix addition of mesh configuration element
usb: phy: isp1301: Add OF device ID table
md-cluster: free md_cluster_info if node leave cluster
userfaultfd: shmem: __do_fault requires VM_FAULT_NOPAGE
userfaultfd: selftest: vm: allow to build in vm/ directory
net: initialize msg.msg_flags in recvfrom
net: bcmgenet: correct the RBUF_OVFL_CNT and RBUF_ERR_CNT MIB values
net: bcmgenet: correct MIB access of UniMAC RUNT counters
net: bcmgenet: reserved phy revisions must be checked first
net: bcmgenet: power down internal phy if open or resume fails
net: bcmgenet: Power up the internal PHY before probing the MII
NFSD: fix nfsd_minorversion(.., NFSD_AVAIL)
NFSD: fix nfsd_reset_versions for NFSv4.
Input: i8042 - add TUXEDO BU1406 (N24_25BU) to the nomux list
drm/omap: fix dmabuf mmap for dma_alloc'ed buffers
netfilter: bridge: honor frag_max_size when refragmenting
writeback: fix memory leak in wb_queue_work()
net: wimax/i2400m: fix NULL-deref at probe
dmaengine: Fix array index out of bounds warning in __get_unmap_pool()
net: Resend IGMP memberships upon peer notification.
mlxsw: reg: Fix SPVM max record count
mlxsw: reg: Fix SPVMLR max record count
intel_th: pci: Add Gemini Lake support
openrisc: fix issue handling 8 byte get_user calls
scsi: hpsa: update check for logical volume status
scsi: hpsa: limit outstanding rescans
fjes: Fix wrong netdevice feature flags
drm/radeon/si: add dpm quirk for Oland
sched/deadline: Make sure the replenishment timer fires in the next period
sched/deadline: Throttle a constrained deadline task activated after the deadline
sched/deadline: Use deadline instead of period when calculating overflow
mmc: mediatek: Fixed bug where clock frequency could be set wrong
drm/radeon: reinstate oland workaround for sclk
afs: Fix missing put_page()
afs: Populate group ID from vnode status
afs: Adjust mode bits processing
afs: Flush outstanding writes when an fd is closed
afs: Migrate vlocation fields to 64-bit
afs: Prevent callback expiry timer overflow
afs: Fix the maths in afs_fs_store_data()
afs: Populate and use client modification time
afs: Fix page leak in afs_write_begin()
afs: Fix afs_kill_pages()
net/mlx4_core: Avoid delays during VF driver device shutdown
perf symbols: Fix symbols__fixup_end heuristic for corner cases
efi/esrt: Cleanup bad memory map log messages
NFSv4.1 respect server's max size in CREATE_SESSION
btrfs: add missing memset while reading compressed inline extents
target: Use system workqueue for ALUA transitions
target: fix ALUA transition timeout handling
target: fix race during implicit transition work flushes
sfc: don't warn on successful change of MAC
fbdev: controlfb: Add missing modes to fix out of bounds access
video: udlfb: Fix read EDID timeout
video: fbdev: au1200fb: Release some resources if a memory allocation fails
video: fbdev: au1200fb: Return an error code if a memory allocation fails
rtc: pcf8563: fix output clock rate
dmaengine: ti-dma-crossbar: Correct am335x/am43xx mux value type
PCI/PME: Handle invalid data when reading Root Status
powerpc/powernv/cpufreq: Fix the frequency read by /proc/cpuinfo
netfilter: ipvs: Fix inappropriate output of procfs
powerpc/opal: Fix EBUSY bug in acquiring tokens
powerpc/ipic: Fix status get and status clear
target/iscsi: Fix a race condition in iscsit_add_reject_from_cmd()
iscsi-target: fix memory leak in lio_target_tiqn_addtpg()
target:fix condition return in core_pr_dump_initiator_port()
target/file: Do not return error for UNMAP if length is zero
arm-ccn: perf: Prevent module unload while PMU is in use
crypto: tcrypt - fix buffer lengths in test_aead_speed()
mm: Handle 0 flags in _calc_vm_trans() macro
clk: mediatek: add the option for determining PLL source clock
clk: imx6: refine hdmi_isfr's parent to make HDMI work on i.MX6 SoCs w/o VPU
clk: tegra: Fix cclk_lp divisor register
ppp: Destroy the mutex when cleanup
thermal/drivers/step_wise: Fix temperature regulation misbehavior
GFS2: Take inode off order_write list when setting jdata flag
bcache: explicitly destroy mutex while exiting
bcache: fix wrong cache_misses statistics
l2tp: cleanup l2tp_tunnel_delete calls
xfs: fix log block underflow during recovery cycle verification
xfs: fix incorrect extent state in xfs_bmap_add_extent_unwritten_real
PCI: Detach driver before procfs & sysfs teardown on device remove
scsi: hpsa: cleanup sas_phy structures in sysfs when unloading
scsi: hpsa: destroy sas transport properties before scsi_host
powerpc/perf/hv-24x7: Fix incorrect comparison in memord
tty fix oops when rmmod 8250
usb: musb: da8xx: fix babble condition handling
pinctrl: adi2: Fix Kconfig build problem
raid5: Set R5_Expanded on parity devices as well as data.
scsi: scsi_devinfo: Add REPORTLUN2 to EMC SYMMETRIX blacklist entry
vt6655: Fix a possible sleep-in-atomic bug in vt6655_suspend
scsi: sd: change manage_start_stop to bool in sysfs interface
scsi: sd: change allow_restart to bool in sysfs interface
scsi: bfa: integer overflow in debugfs
udf: Avoid overflow when session starts at large offset
macvlan: Only deliver one copy of the frame to the macvlan interface
RDMA/cma: Avoid triggering undefined behavior
IB/ipoib: Grab rtnl lock on heavy flush when calling ndo_open/stop
ath9k: fix tx99 potential info leak
Linux 4.4.107
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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[ Upstream commit abdc0eb06964fe1d2fea6dd1391b734d0590365d ]
When session starts beyond offset 2^31 the arithmetics in
udf_check_vsd() would overflow. Make sure the computation is done in
large enough type.
Reported-by: Cezary Sliwa <sliwa@ifpan.edu.pl>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit c79dde629d2027ca80329c62854a7635e623d527 ]
After rmmod 8250.ko
tty_kref_put starts kwork (release_one_tty) to release proc interface
oops when accessing driver->driver_name in proc_tty_unregister_driver
Use jprobe, found driver->driver_name point to 8250.ko
static static struct uart_driver serial8250_reg
.driver_name= serial,
Use name in proc_dir_entry instead of driver->driver_name to fix oops
test on linux 4.1.12:
BUG: unable to handle kernel paging request at ffffffffa01979de
IP: [<ffffffff81310f40>] strchr+0x0/0x30
PGD 1a0d067 PUD 1a0e063 PMD 851c1f067 PTE 0
Oops: 0000 [#1] PREEMPT SMP
Modules linked in: ... ... [last unloaded: 8250]
CPU: 7 PID: 116 Comm: kworker/7:1 Tainted: G O 4.1.12 #1
Hardware name: Insyde RiverForest/Type2 - Board Product Name1, BIOS NE5KV904 12/21/2015
Workqueue: events release_one_tty
task: ffff88085b684960 ti: ffff880852884000 task.ti: ffff880852884000
RIP: 0010:[<ffffffff81310f40>] [<ffffffff81310f40>] strchr+0x0/0x30
RSP: 0018:ffff880852887c90 EFLAGS: 00010282
RAX: ffffffff81a5eca0 RBX: ffffffffa01979de RCX: 0000000000000004
RDX: ffff880852887d10 RSI: 000000000000002f RDI: ffffffffa01979de
RBP: ffff880852887cd8 R08: 0000000000000000 R09: ffff88085f5d94d0
R10: 0000000000000195 R11: 0000000000000000 R12: ffffffffa01979de
R13: ffff880852887d00 R14: ffffffffa01979de R15: ffff88085f02e840
FS: 0000000000000000(0000) GS:ffff88085f5c0000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffa01979de CR3: 0000000001a0c000 CR4: 00000000001406e0
Stack:
ffffffff812349b1 ffff880852887cb8 ffff880852887d10 ffff88085f5cd6c2
ffff880852800a80 ffffffffa01979de ffff880852800a84 0000000000000010
ffff88085bb28bd8 ffff880852887d38 ffffffff812354f0 ffff880852887d08
Call Trace:
[<ffffffff812349b1>] ? __xlate_proc_name+0x71/0xd0
[<ffffffff812354f0>] remove_proc_entry+0x40/0x180
[<ffffffff815f6811>] ? _raw_spin_lock_irqsave+0x41/0x60
[<ffffffff813be520>] ? destruct_tty_driver+0x60/0xe0
[<ffffffff81237c68>] proc_tty_unregister_driver+0x28/0x40
[<ffffffff813be548>] destruct_tty_driver+0x88/0xe0
[<ffffffff813be5bd>] tty_driver_kref_put+0x1d/0x20
[<ffffffff813becca>] release_one_tty+0x5a/0xd0
[<ffffffff81074159>] process_one_work+0x139/0x420
[<ffffffff810745a1>] worker_thread+0x121/0x450
[<ffffffff81074480>] ? process_scheduled_works+0x40/0x40
[<ffffffff8107a16c>] kthread+0xec/0x110
[<ffffffff81080000>] ? tg_rt_schedulable+0x210/0x220
[<ffffffff8107a080>] ? kthread_freezable_should_stop+0x80/0x80
[<ffffffff815f7292>] ret_from_fork+0x42/0x70
[<ffffffff8107a080>] ? kthread_freezable_should_stop+0x80/0x80
Signed-off-by: nixiaoming <nixiaoming@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 5e422f5e4fd71d18bc6b851eeb3864477b3d842e ]
There was one spot in xfs_bmap_add_extent_unwritten_real that didn't use the
passed in new extent state but always converted to normal, leading to wrong
behavior when converting from normal to unwritten.
Only found by code inspection, it seems like this code path to move partial
extent from written to unwritten while merging it with the next extent is
rarely exercised.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 9f2a4505800607e537e9dd9dea4f55c4b0c30c7a ]
It is possible for mkfs to format very small filesystems with too
small of an internal log with respect to the various minimum size
and block count requirements. If this occurs when the log happens to
be smaller than the scan window used for cycle verification and the
scan wraps the end of the log, the start_blk calculation in
xlog_find_head() underflows and leads to an attempt to scan an
invalid range of log blocks. This results in log recovery failure
and a failed mount.
Since there may be filesystems out in the wild with this kind of
geometry, we cannot simply refuse to mount. Instead, cap the scan
window for cycle verification to the size of the physical log. This
ensures that the cycle verification proceeds as expected when the
scan wraps the end of the log.
Reported-by: Zorro Lang <zlang@redhat.com>
Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit cc555b09d8c3817aeebda43a14ab67049a5653f7 ]
This patch fixes a deadlock caused when the jdata flag is set for
inodes that are already on the ordered write list. Since it is
on the ordered write list, log_flush calls gfs2_ordered_write which
calls filemap_fdatawrite. But since the inode had the jdata flag
set, that calls gfs2_jdata_writepages, which tries to start a new
transaction. A new transaction cannot be started because it tries
to acquire the log_flush rwsem which is already locked by the log
flush operation.
The bottom line is: We cannot switch an inode from ordered to jdata
until we eliminate any ordered data pages (via log flush) or any
log_flush operation afterward will create the circular dependency
above. So we need to flush the log before setting the diskflags to
switch the file mode, then we need to remove the inode from the
ordered writes list.
Before this patch, the log flush was done for jdata->ordered, but
that's wrong. If we're going from jdata to ordered, we don't need
to call gfs2_log_flush because the call to filemap_fdatawrite will
do it for us:
filemap_fdatawrite() -> __filemap_fdatawrite_range()
__filemap_fdatawrite_range() -> do_writepages()
do_writepages() -> gfs2_jdata_writepages()
gfs2_jdata_writepages() -> gfs2_log_flush()
This patch modifies function do_gfs2_set_flags so that if a file
has its jdata flag set, and it's already on the ordered write list,
the log will be flushed and it will be removed from the list
before setting the flag.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Acked-by: Abhijith Das <adas@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit e1699d2d7bf6e6cce3e1baff19f9dd4595a58664 ]
This is a story about 4 distinct (and very old) btrfs bugs.
Commit c8b978188c ("Btrfs: Add zlib compression support") added
three data corruption bugs for inline extents (bugs #1-3).
Commit 93c82d5750 ("Btrfs: zero page past end of inline file items")
fixed bug #1: uncompressed inline extents followed by a hole and more
extents could get non-zero data in the hole as they were read. The fix
was to add a memset in btrfs_get_extent to zero out the hole.
Commit 166ae5a418 ("btrfs: fix inline compressed read err corruption")
fixed bug #2: compressed inline extents which contained non-zero bytes
might be replaced with zero bytes in some cases. This patch removed an
unhelpful memset from uncompress_inline, but the case where memset is
required was missed.
There is also a memset in the decompression code, but this only covers
decompressed data that is shorter than the ram_bytes from the extent
ref record. This memset doesn't cover the region between the end of the
decompressed data and the end of the page. It has also moved around a
few times over the years, so there's no single patch to refer to.
This patch fixes bug #3: compressed inline extents followed by a hole
and more extents could get non-zero data in the hole as they were read
(i.e. bug #3 is the same as bug #1, but s/uncompressed/compressed/).
The fix is the same: zero out the hole in the compressed case too,
by putting a memset back in uncompress_inline, but this time with
correct parameters.
The last and oldest bug, bug #0, is the cause of the offending inline
extent/hole/extent pattern. Bug #0 is a subtle and mostly-harmless quirk
of behavior somewhere in the btrfs write code. In a few special cases,
an inline extent and hole are allowed to persist where they normally
would be combined with later extents in the file.
A fast reproducer for bug #0 is presented below. A few offending extents
are also created in the wild during large rsync transfers with the -S
flag. A Linux kernel build (git checkout; make allyesconfig; make -j8)
will produce a handful of offending files as well. Once an offending
file is created, it can present different content to userspace each
time it is read.
Bug #0 is at least 4 and possibly 8 years old. I verified every vX.Y
kernel back to v3.5 has this behavior. There are fossil records of this
bug's effects in commits all the way back to v2.6.32. I have no reason
to believe bug #0 wasn't present at the beginning of btrfs compression
support in v2.6.29, but I can't easily test kernels that old to be sure.
It is not clear whether bug #0 is worth fixing. A fix would likely
require injecting extra reads into currently write-only paths, and most
of the exceptional cases caused by bug #0 are already handled now.
Whether we like them or not, bug #0's inline extents followed by holes
are part of the btrfs de-facto disk format now, and we need to be able
to read them without data corruption or an infoleak. So enough about
bug #0, let's get back to bug #3 (this patch).
An example of on-disk structure leading to data corruption found in
the wild:
item 61 key (606890 INODE_ITEM 0) itemoff 9662 itemsize 160
inode generation 50 transid 50 size 47424 nbytes 49141
block group 0 mode 100644 links 1 uid 0 gid 0
rdev 0 flags 0x0(none)
item 62 key (606890 INODE_REF 603050) itemoff 9642 itemsize 20
inode ref index 3 namelen 10 name: DB_File.so
item 63 key (606890 EXTENT_DATA 0) itemoff 8280 itemsize 1362
inline extent data size 1341 ram 4085 compress(zlib)
item 64 key (606890 EXTENT_DATA 4096) itemoff 8227 itemsize 53
extent data disk byte 5367308288 nr 20480
extent data offset 0 nr 45056 ram 45056
extent compression(zlib)
Different data appears in userspace during each read of the 11 bytes
between 4085 and 4096. The extent in item 63 is not long enough to
fill the first page of the file, so a memset is required to fill the
space between item 63 (ending at 4085) and item 64 (beginning at 4096)
with zero.
Here is a reproducer from Liu Bo, which demonstrates another method
of creating the same inline extent and hole pattern:
Using 'page_poison=on' kernel command line (or enable
CONFIG_PAGE_POISONING) run the following:
# touch foo
# chattr +c foo
# xfs_io -f -c "pwrite -W 0 1000" foo
# xfs_io -f -c "falloc 4 8188" foo
# od -x foo
# echo 3 >/proc/sys/vm/drop_caches
# od -x foo
This produce the following on my box:
Correct output: file contains 1000 data bytes followed
by zeros:
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0001740 cdcd cdcd cdcd cdcd 0000 0000 0000 0000
0001760 0000 0000 0000 0000 0000 0000 0000 0000
*
0020000
Actual output: the data after the first 1000 bytes
will be different each run:
0000000 cdcd cdcd cdcd cdcd cdcd cdcd cdcd cdcd
*
0001740 cdcd cdcd cdcd cdcd 6c63 7400 635f 006d
0001760 5f74 6f43 7400 435f 0053 5f74 7363 7400
0002000 435f 0056 5f74 6164 7400 645f 0062 5f74
(...)
Signed-off-by: Zygo Blaxell <ce3g8jdj@umail.furryterror.org>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: Chris Mason <clm@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 033853325fe3bdc70819a8b97915bd3bca41d3af ]
Currently client doesn't respect max sizes server returns in CREATE_SESSION.
nfs4_session_set_rwsize() gets called and server->rsize, server->wsize are 0
so they never get set to the sizes returned by the server.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 7286a35e893176169b09715096a4aca557e2ccd2 ]
Fix afs_kill_pages() in two ways:
(1) If a writeback has been partially flushed, then if we try and kill the
pages it contains, some of them may no longer be undergoing writeback
and end_page_writeback() will assert.
Fix this by checking to see whether the page in question is actually
undergoing writeback before ending that writeback.
(2) The loop that scans for pages to kill doesn't increase the first page
index, and so the loop may not terminate, but it will try to process
the same pages over and over again.
Fix this by increasing the first page index to one after the last page
we processed.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 6d06b0d25209c80e99c1e89700f1e09694a3766b ]
afs_write_begin() leaks a ref and a lock on a page if afs_fill_page()
fails. Fix the leak by unlocking and releasing the page in the error path.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit ab94f5d0dd6fd82e7eeca5e7c8096eaea0a0261f ]
The inode timestamps should be set from the client time
in the status received from the server, rather than the
server time which is meant for internal server use.
Set AFS_SET_MTIME and populate the mtime for operations
that take an input status, such as file/dir creation
and StoreData. If an input time is not provided the
server will set the vnode times based on the current server
time.
In a situation where the server has some skew with the
client, this could lead to the client seeing a timestamp
in the future for a file that it just created or wrote.
Signed-off-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 146a1192783697810b63a1e41c4d59fc93387340 ]
afs_fs_store_data() works out of the size of the write it's going to make,
but it uses 32-bit unsigned subtraction in one place that gets
automatically cast to loff_t.
However, if to < offset, then the number goes negative, but as the result
isn't signed, this doesn't get sign-extended to 64-bits when placed in a
loff_t.
Fix by casting the operands to loff_t.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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