| Commit message (Collapse) | Author | Age |
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[ Upstream commit 34b2cef20f19c87999fff3da4071e66937db9644 ]
Andrey Konovalov got crashes in __ip_options_echo() when a NULL skb->dst
is accessed.
ipv4_pktinfo_prepare() should not drop the dst if (evil) IP options
are present.
We could refine the test to the presence of ts_needtime or srr,
but IP options are not often used, so let's be conservative.
Thanks to syzkaller team for finding this bug.
Fixes: d826eb14ecef ("ipv4: PKTINFO doesnt need dst reference")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Andrey Konovalov <andreyknvl@google.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 5fa8bbda38c668e56b0c6cdecced2eac2fe36dec ]
Dmitry reported a warning [1] showing that we were calling
net_disable_timestamp() -> static_key_slow_dec() from a non
process context.
Grabbing a mutex while holding a spinlock or rcu_read_lock()
is not allowed.
As Cong suggested, we now use a work queue.
It is possible netstamp_clear() exits while netstamp_needed_deferred
is not zero, but it is probably not worth trying to do better than that.
netstamp_needed_deferred atomic tracks the exact number of deferred
decrements.
[1]
[ INFO: suspicious RCU usage. ]
4.10.0-rc5+ #192 Not tainted
-------------------------------
./include/linux/rcupdate.h:561 Illegal context switch in RCU read-side
critical section!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 0
2 locks held by syz-executor14/23111:
#0: (sk_lock-AF_INET6){+.+.+.}, at: [<ffffffff83a35c35>] lock_sock
include/net/sock.h:1454 [inline]
#0: (sk_lock-AF_INET6){+.+.+.}, at: [<ffffffff83a35c35>]
rawv6_sendmsg+0x1e65/0x3ec0 net/ipv6/raw.c:919
#1: (rcu_read_lock){......}, at: [<ffffffff83ae2678>] nf_hook
include/linux/netfilter.h:201 [inline]
#1: (rcu_read_lock){......}, at: [<ffffffff83ae2678>]
__ip6_local_out+0x258/0x840 net/ipv6/output_core.c:160
stack backtrace:
CPU: 2 PID: 23111 Comm: syz-executor14 Not tainted 4.10.0-rc5+ #192
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs
01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:15 [inline]
dump_stack+0x2ee/0x3ef lib/dump_stack.c:51
lockdep_rcu_suspicious+0x139/0x180 kernel/locking/lockdep.c:4452
rcu_preempt_sleep_check include/linux/rcupdate.h:560 [inline]
___might_sleep+0x560/0x650 kernel/sched/core.c:7748
__might_sleep+0x95/0x1a0 kernel/sched/core.c:7739
mutex_lock_nested+0x24f/0x1730 kernel/locking/mutex.c:752
atomic_dec_and_mutex_lock+0x119/0x160 kernel/locking/mutex.c:1060
__static_key_slow_dec+0x7a/0x1e0 kernel/jump_label.c:149
static_key_slow_dec+0x51/0x90 kernel/jump_label.c:174
net_disable_timestamp+0x3b/0x50 net/core/dev.c:1728
sock_disable_timestamp+0x98/0xc0 net/core/sock.c:403
__sk_destruct+0x27d/0x6b0 net/core/sock.c:1441
sk_destruct+0x47/0x80 net/core/sock.c:1460
__sk_free+0x57/0x230 net/core/sock.c:1468
sock_wfree+0xae/0x120 net/core/sock.c:1645
skb_release_head_state+0xfc/0x200 net/core/skbuff.c:655
skb_release_all+0x15/0x60 net/core/skbuff.c:668
__kfree_skb+0x15/0x20 net/core/skbuff.c:684
kfree_skb+0x16e/0x4c0 net/core/skbuff.c:705
inet_frag_destroy+0x121/0x290 net/ipv4/inet_fragment.c:304
inet_frag_put include/net/inet_frag.h:133 [inline]
nf_ct_frag6_gather+0x1106/0x3840
net/ipv6/netfilter/nf_conntrack_reasm.c:617
ipv6_defrag+0x1be/0x2b0 net/ipv6/netfilter/nf_defrag_ipv6_hooks.c:68
nf_hook_entry_hookfn include/linux/netfilter.h:102 [inline]
nf_hook_slow+0xc3/0x290 net/netfilter/core.c:310
nf_hook include/linux/netfilter.h:212 [inline]
__ip6_local_out+0x489/0x840 net/ipv6/output_core.c:160
ip6_local_out+0x2d/0x170 net/ipv6/output_core.c:170
ip6_send_skb+0xa1/0x340 net/ipv6/ip6_output.c:1722
ip6_push_pending_frames+0xb3/0xe0 net/ipv6/ip6_output.c:1742
rawv6_push_pending_frames net/ipv6/raw.c:613 [inline]
rawv6_sendmsg+0x2d1a/0x3ec0 net/ipv6/raw.c:927
inet_sendmsg+0x164/0x5b0 net/ipv4/af_inet.c:744
sock_sendmsg_nosec net/socket.c:635 [inline]
sock_sendmsg+0xca/0x110 net/socket.c:645
sock_write_iter+0x326/0x600 net/socket.c:848
do_iter_readv_writev+0x2e3/0x5b0 fs/read_write.c:695
do_readv_writev+0x42c/0x9b0 fs/read_write.c:872
vfs_writev+0x87/0xc0 fs/read_write.c:911
do_writev+0x110/0x2c0 fs/read_write.c:944
SYSC_writev fs/read_write.c:1017 [inline]
SyS_writev+0x27/0x30 fs/read_write.c:1014
entry_SYSCALL_64_fastpath+0x1f/0xc2
RIP: 0033:0x445559
RSP: 002b:00007f6f46fceb58 EFLAGS: 00000292 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000445559
RDX: 0000000000000001 RSI: 0000000020f1eff0 RDI: 0000000000000005
RBP: 00000000006e19c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000700000
R13: 0000000020f59000 R14: 0000000000000015 R15: 0000000000020400
BUG: sleeping function called from invalid context at
kernel/locking/mutex.c:752
in_atomic(): 1, irqs_disabled(): 0, pid: 23111, name: syz-executor14
INFO: lockdep is turned off.
CPU: 2 PID: 23111 Comm: syz-executor14 Not tainted 4.10.0-rc5+ #192
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs
01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:15 [inline]
dump_stack+0x2ee/0x3ef lib/dump_stack.c:51
___might_sleep+0x47e/0x650 kernel/sched/core.c:7780
__might_sleep+0x95/0x1a0 kernel/sched/core.c:7739
mutex_lock_nested+0x24f/0x1730 kernel/locking/mutex.c:752
atomic_dec_and_mutex_lock+0x119/0x160 kernel/locking/mutex.c:1060
__static_key_slow_dec+0x7a/0x1e0 kernel/jump_label.c:149
static_key_slow_dec+0x51/0x90 kernel/jump_label.c:174
net_disable_timestamp+0x3b/0x50 net/core/dev.c:1728
sock_disable_timestamp+0x98/0xc0 net/core/sock.c:403
__sk_destruct+0x27d/0x6b0 net/core/sock.c:1441
sk_destruct+0x47/0x80 net/core/sock.c:1460
__sk_free+0x57/0x230 net/core/sock.c:1468
sock_wfree+0xae/0x120 net/core/sock.c:1645
skb_release_head_state+0xfc/0x200 net/core/skbuff.c:655
skb_release_all+0x15/0x60 net/core/skbuff.c:668
__kfree_skb+0x15/0x20 net/core/skbuff.c:684
kfree_skb+0x16e/0x4c0 net/core/skbuff.c:705
inet_frag_destroy+0x121/0x290 net/ipv4/inet_fragment.c:304
inet_frag_put include/net/inet_frag.h:133 [inline]
nf_ct_frag6_gather+0x1106/0x3840
net/ipv6/netfilter/nf_conntrack_reasm.c:617
ipv6_defrag+0x1be/0x2b0 net/ipv6/netfilter/nf_defrag_ipv6_hooks.c:68
nf_hook_entry_hookfn include/linux/netfilter.h:102 [inline]
nf_hook_slow+0xc3/0x290 net/netfilter/core.c:310
nf_hook include/linux/netfilter.h:212 [inline]
__ip6_local_out+0x489/0x840 net/ipv6/output_core.c:160
ip6_local_out+0x2d/0x170 net/ipv6/output_core.c:170
ip6_send_skb+0xa1/0x340 net/ipv6/ip6_output.c:1722
ip6_push_pending_frames+0xb3/0xe0 net/ipv6/ip6_output.c:1742
rawv6_push_pending_frames net/ipv6/raw.c:613 [inline]
rawv6_sendmsg+0x2d1a/0x3ec0 net/ipv6/raw.c:927
inet_sendmsg+0x164/0x5b0 net/ipv4/af_inet.c:744
sock_sendmsg_nosec net/socket.c:635 [inline]
sock_sendmsg+0xca/0x110 net/socket.c:645
sock_write_iter+0x326/0x600 net/socket.c:848
do_iter_readv_writev+0x2e3/0x5b0 fs/read_write.c:695
do_readv_writev+0x42c/0x9b0 fs/read_write.c:872
vfs_writev+0x87/0xc0 fs/read_write.c:911
do_writev+0x110/0x2c0 fs/read_write.c:944
SYSC_writev fs/read_write.c:1017 [inline]
SyS_writev+0x27/0x30 fs/read_write.c:1014
entry_SYSCALL_64_fastpath+0x1f/0xc2
RIP: 0033:0x445559
Fixes: b90e5794c5bd ("net: dont call jump_label_dec from irq context")
Suggested-by: Cong Wang <xiyou.wangcong@gmail.com>
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.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 06425c308b92eaf60767bc71d359f4cbc7a561f8 ]
syszkaller fuzzer was able to trigger a divide by zero, when
TCP window scaling is not enabled.
SO_RCVBUF can be used not only to increase sk_rcvbuf, also
to decrease it below current receive buffers utilization.
If mss is negative or 0, just return a zero TCP window.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Acked-by: Neal Cardwell <ncardwell@google.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 63117f09c768be05a0bf465911297dc76394f686 ]
Casting is a high precedence operation but "off" and "i" are in terms of
bytes so we need to have some parenthesis here.
Fixes: fbfa743a9d2a ("ipv6: fix ip6_tnl_parse_tlv_enc_lim()")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Eric Dumazet <edumazet@google.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 fbfa743a9d2a0ffa24251764f10afc13eb21e739 ]
This function suffers from multiple issues.
First one is that pskb_may_pull() may reallocate skb->head,
so the 'raw' pointer needs either to be reloaded or not used at all.
Second issue is that NEXTHDR_DEST handling does not validate
that the options are present in skb->data, so we might read
garbage or access non existent memory.
With help from Willem de Bruijn.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Willem de Bruijn <willemb@google.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 f1712c73714088a7252d276a57126d56c7d37e64 ]
Zhang Yanmin reported crashes [1] and provided a patch adding a
synchronize_rcu() call in can_rx_unregister()
The main problem seems that the sockets themselves are not RCU
protected.
If CAN uses RCU for delivery, then sockets should be freed only after
one RCU grace period.
Recent kernels could use sock_set_flag(sk, SOCK_RCU_FREE), but let's
ease stable backports with the following fix instead.
[1]
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<ffffffff81495e25>] selinux_socket_sock_rcv_skb+0x65/0x2a0
Call Trace:
<IRQ>
[<ffffffff81485d8c>] security_sock_rcv_skb+0x4c/0x60
[<ffffffff81d55771>] sk_filter+0x41/0x210
[<ffffffff81d12913>] sock_queue_rcv_skb+0x53/0x3a0
[<ffffffff81f0a2b3>] raw_rcv+0x2a3/0x3c0
[<ffffffff81f06eab>] can_rcv_filter+0x12b/0x370
[<ffffffff81f07af9>] can_receive+0xd9/0x120
[<ffffffff81f07beb>] can_rcv+0xab/0x100
[<ffffffff81d362ac>] __netif_receive_skb_core+0xd8c/0x11f0
[<ffffffff81d36734>] __netif_receive_skb+0x24/0xb0
[<ffffffff81d37f67>] process_backlog+0x127/0x280
[<ffffffff81d36f7b>] net_rx_action+0x33b/0x4f0
[<ffffffff810c88d4>] __do_softirq+0x184/0x440
[<ffffffff81f9e86c>] do_softirq_own_stack+0x1c/0x30
<EOI>
[<ffffffff810c76fb>] do_softirq.part.18+0x3b/0x40
[<ffffffff810c8bed>] do_softirq+0x1d/0x20
[<ffffffff81d30085>] netif_rx_ni+0xe5/0x110
[<ffffffff8199cc87>] slcan_receive_buf+0x507/0x520
[<ffffffff8167ef7c>] flush_to_ldisc+0x21c/0x230
[<ffffffff810e3baf>] process_one_work+0x24f/0x670
[<ffffffff810e44ed>] worker_thread+0x9d/0x6f0
[<ffffffff810e4450>] ? rescuer_thread+0x480/0x480
[<ffffffff810ebafc>] kthread+0x12c/0x150
[<ffffffff81f9ccef>] ret_from_fork+0x3f/0x70
Reported-by: Zhang Yanmin <yanmin.zhang@intel.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Change EIRP value for Country China according to latest Regulatory Sheet.
Change-Id: Ice3d212403f1a34a023e2e003cb55c23b90067ae
CRs-Fixed: 2023783
Signed-off-by: Ashish Kumar Dhanotiya <adhanoti@codeaurora.org>
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rmnet_data assigns device name by the order they are created.
This causes problems which multiple processes are trying to
create devices and leads to random device names.
Assign device name as specified by user.
CRs-Fixed: 2018785
Change-Id: Iab8e053c6ccacbeedaa7763e760d0c12e756b5d0
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
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Incorporate the 2016-10-31 updates to the internal regulatory
database for South Korea.
Change-Id: I310bb8609c2298832e976e38ebe6b816c6faa5d0
CRs-Fixed: 2020241
Signed-off-by: Srinivas Girigowda <sgirigow@codeaurora.org>
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* refs/heads/tmp-26c8156:
Linux 4.4.49
drm/i915: fix use-after-free in page_flip_completed()
ALSA: seq: Don't handle loop timeout at snd_seq_pool_done()
ALSA: seq: Fix race at creating a queue
xen-netfront: Delete rx_refill_timer in xennet_disconnect_backend()
scsi: mpt3sas: disable ASPM for MPI2 controllers
scsi: aacraid: Fix INTx/MSI-x issue with older controllers
scsi: zfcp: fix use-after-free by not tracing WKA port open/close on failed send
netvsc: Set maximum GSO size in the right place
mac80211: Fix adding of mesh vendor IEs
ARM: 8642/1: LPAE: catch pending imprecise abort on unmask
target: Fix COMPARE_AND_WRITE ref leak for non GOOD status
target: Fix early transport_generic_handle_tmr abort scenario
target: Use correct SCSI status during EXTENDED_COPY exception
target: Don't BUG_ON during NodeACL dynamic -> explicit conversion
ARM: 8643/3: arm/ptrace: Preserve previous registers for short regset write
hns: avoid stack overflow with CONFIG_KASAN
cpumask: use nr_cpumask_bits for parsing functions
Revert "x86/ioapic: Restore IO-APIC irq_chip retrigger callback"
selinux: fix off-by-one in setprocattr
ARC: [arcompact] brown paper bag bug in unaligned access delay slot fixup
Linux 4.4.48
base/memory, hotplug: fix a kernel oops in show_valid_zones()
x86/irq: Make irq activate operations symmetric
USB: serial: option: add device ID for HP lt2523 (Novatel E371)
usb: gadget: f_fs: Assorted buffer overflow checks.
USB: Add quirk for WORLDE easykey.25 MIDI keyboard
USB: serial: pl2303: add ATEN device ID
USB: serial: qcserial: add Dell DW5570 QDL
KVM: x86: do not save guest-unsupported XSAVE state
HID: wacom: Fix poor prox handling in 'wacom_pl_irq'
percpu-refcount: fix reference leak during percpu-atomic transition
mmc: sdhci: Ignore unexpected CARD_INT interrupts
can: bcm: fix hrtimer/tasklet termination in bcm op removal
mm, fs: check for fatal signals in do_generic_file_read()
mm/memory_hotplug.c: check start_pfn in test_pages_in_a_zone()
cifs: initialize file_info_lock
zswap: disable changing params if init fails
svcrpc: fix oops in absence of krb5 module
NFSD: Fix a null reference case in find_or_create_lock_stateid()
powerpc: Add missing error check to prom_find_boot_cpu()
powerpc/eeh: Fix wrong flag passed to eeh_unfreeze_pe()
libata: apply MAX_SEC_1024 to all CX1-JB*-HP devices
ata: sata_mv:- Handle return value of devm_ioremap.
perf/core: Fix PERF_RECORD_MMAP2 prot/flags for anonymous memory
crypto: arm64/aes-blk - honour iv_out requirement in CBC and CTR modes
crypto: api - Clear CRYPTO_ALG_DEAD bit before registering an alg
drm/nouveau/nv1a,nv1f/disp: fix memory clock rate retrieval
drm/nouveau/disp/gt215: Fix HDA ELD handling (thus, HDMI audio) on gt215
ext4: validate s_first_meta_bg at mount time
PCI/ASPM: Handle PCI-to-PCIe bridges as roots of PCIe hierarchies
ANDROID: security: export security_path_chown()
Linux 4.4.47
net: dsa: Bring back device detaching in dsa_slave_suspend()
qmi_wwan/cdc_ether: add device ID for HP lt2523 (Novatel E371) WWAN card
af_unix: move unix_mknod() out of bindlock
r8152: don't execute runtime suspend if the tx is not empty
bridge: netlink: call br_changelink() during br_dev_newlink()
tcp: initialize max window for a new fastopen socket
ipv6: addrconf: Avoid addrconf_disable_change() using RCU read-side lock
net: phy: bcm63xx: Utilize correct config_intr function
net: fix harmonize_features() vs NETIF_F_HIGHDMA
ax25: Fix segfault after sock connection timeout
ravb: do not use zero-length alignment DMA descriptor
openvswitch: maintain correct checksum state in conntrack actions
tcp: fix tcp_fastopen unaligned access complaints on sparc
net: systemport: Decouple flow control from __bcm_sysport_tx_reclaim
net: ipv4: fix table id in getroute response
net: lwtunnel: Handle lwtunnel_fill_encap failure
mlxsw: pci: Fix EQE structure definition
mlxsw: switchx2: Fix memory leak at skb reallocation
mlxsw: spectrum: Fix memory leak at skb reallocation
r8152: fix the sw rx checksum is unavailable
ANDROID: sdcardfs: Switch strcasecmp for internal call
ANDROID: sdcardfs: switch to full_name_hash and qstr
ANDROID: sdcardfs: Add GID Derivation to sdcardfs
ANDROID: sdcardfs: Remove redundant operation
ANDROID: sdcardfs: add support for user permission isolation
ANDROID: sdcardfs: Refactor configfs interface
ANDROID: sdcardfs: Allow non-owners to touch
ANDROID: binder: fix format specifier for type binder_size_t
ANDROID: fs: Export vfs_rmdir2
ANDROID: fs: Export free_fs_struct and set_fs_pwd
ANDROID: mnt: remount should propagate to slaves of slaves
ANDROID: sdcardfs: Switch ->d_inode to d_inode()
ANDROID: sdcardfs: Fix locking issue with permision fix up
ANDROID: sdcardfs: Change magic value
ANDROID: sdcardfs: Use per mount permissions
ANDROID: sdcardfs: Add gid and mask to private mount data
ANDROID: sdcardfs: User new permission2 functions
ANDROID: vfs: Add setattr2 for filesystems with per mount permissions
ANDROID: vfs: Add permission2 for filesystems with per mount permissions
ANDROID: vfs: Allow filesystems to access their private mount data
ANDROID: mnt: Add filesystem private data to mount points
ANDROID: sdcardfs: Move directory unlock before touch
ANDROID: sdcardfs: fix external storage exporting incorrect uid
ANDROID: sdcardfs: Added top to sdcardfs_inode_info
ANDROID: sdcardfs: Switch package list to RCU
ANDROID: sdcardfs: Fix locking for permission fix up
ANDROID: sdcardfs: Check for other cases on path lookup
ANDROID: sdcardfs: override umask on mkdir and create
Linux 4.4.46
mm, memcg: do not retry precharge charges
platform/x86: intel_mid_powerbtn: Set IRQ_ONESHOT
pinctrl: broxton: Use correct PADCFGLOCK offset
s5k4ecgx: select CRC32 helper
IB/umem: Release pid in error and ODP flow
IB/ipoib: move back IB LL address into the hard header
drm/i915: Don't leak edid in intel_crt_detect_ddc()
SUNRPC: cleanup ida information when removing sunrpc module
NFSv4.0: always send mode in SETATTR after EXCLUSIVE4
nfs: Don't increment lock sequence ID after NFS4ERR_MOVED
parisc: Don't use BITS_PER_LONG in userspace-exported swab.h header
ARC: [arcompact] handle unaligned access delay slot corner case
ARC: udelay: fix inline assembler by adding LP_COUNT to clobber list
can: ti_hecc: add missing prepare and unprepare of the clock
can: c_can_pci: fix null-pointer-deref in c_can_start() - set device pointer
s390/ptrace: Preserve previous registers for short regset write
RDMA/cma: Fix unknown symbol when CONFIG_IPV6 is not enabled
ISDN: eicon: silence misleading array-bounds warning
sysctl: fix proc_doulongvec_ms_jiffies_minmax()
mm/mempolicy.c: do not put mempolicy before using its nodemask
drm: Fix broken VT switch with video=1366x768 option
tile/ptrace: Preserve previous registers for short regset write
fbdev: color map copying bounds checking
Linux 4.4.45
arm64: avoid returning from bad_mode
selftest/powerpc: Wrong PMC initialized in pmc56_overflow test
dmaengine: pl330: Fix runtime PM support for terminated transfers
ite-cir: initialize use_demodulator before using it
blackfin: check devm_pinctrl_get() for errors
ARM: 8613/1: Fix the uaccess crash on PB11MPCore
ARM: ux500: fix prcmu_is_cpu_in_wfi() calculation
ARM: dts: imx6qdl-nitrogen6_max: fix sgtl5000 pinctrl init
arm64/ptrace: Reject attempts to set incomplete hardware breakpoint fields
arm64/ptrace: Avoid uninitialised struct padding in fpr_set()
arm64/ptrace: Preserve previous registers for short regset write - 3
arm64/ptrace: Preserve previous registers for short regset write - 2
arm64/ptrace: Preserve previous registers for short regset write
ARM: dts: da850-evm: fix read access to SPI flash
ceph: fix bad endianness handling in parse_reply_info_extra
ARM: 8634/1: hw_breakpoint: blacklist Scorpion CPUs
svcrdma: avoid duplicate dma unmapping during error recovery
clocksource/exynos_mct: Clear interrupt when cpu is shut down
ubifs: Fix journal replay wrt. xattr nodes
qla2xxx: Fix crash due to null pointer access
x86/ioapic: Restore IO-APIC irq_chip retrigger callback
mtd: nand: xway: disable module support
ieee802154: atusb: do not use the stack for buffers to make them DMA able
mmc: mxs-mmc: Fix additional cycles after transmission stop
HID: corsair: fix control-transfer error handling
HID: corsair: fix DMA buffers on stack
PCI: Enumerate switches below PCI-to-PCIe bridges
fuse: clear FR_PENDING flag when moving requests out of pending queue
svcrpc: don't leak contexts on PROC_DESTROY
x86/PCI: Ignore _CRS on Supermicro X8DTH-i/6/iF/6F
tmpfs: clear S_ISGID when setting posix ACLs
ARM: dts: imx31: fix AVIC base address
ARM: dts: imx31: move CCM device node to AIPS2 bus devices
ARM: dts: imx31: fix clock control module interrupts description
perf scripting: Avoid leaking the scripting_context variable
IB/IPoIB: Remove can't use GFP_NOIO warning
IB/mlx4: When no DMFS for IPoIB, don't allow NET_IF QPs
IB/mlx4: Fix port query for 56Gb Ethernet links
IB/mlx4: Fix out-of-range array index in destroy qp flow
IB/mlx4: Set traffic class in AH
IB/mlx5: Wait for all async command completions to complete
ftrace/x86: Set ftrace_stub to weak to prevent gcc from using short jumps to it
Linux 4.4.44
pinctrl: sh-pfc: Do not unconditionally support PIN_CONFIG_BIAS_DISABLE
powerpc/ibmebus: Fix device reference leaks in sysfs interface
powerpc/ibmebus: Fix further device reference leaks
bus: vexpress-config: fix device reference leak
blk-mq: Always schedule hctx->next_cpu
ACPI / APEI: Fix NMI notification handling
block: cfq_cpd_alloc() should use @gfp
cpufreq: powernv: Disable preemption while checking CPU throttling state
NFSv4.1: nfs4_fl_prepare_ds must be careful about reporting success.
NFS: Fix a performance regression in readdir
pNFS: Fix race in pnfs_wait_on_layoutreturn
pinctrl: meson: fix gpio request disabling other modes
btrfs: fix error handling when run_delayed_extent_op fails
btrfs: fix locking when we put back a delayed ref that's too new
x86/cpu: Fix bootup crashes by sanitizing the argument of the 'clearcpuid=' command-line option
USB: serial: ch341: fix modem-control and B0 handling
USB: serial: ch341: fix resume after reset
drm/radeon: drop verde dpm quirks
sysctl: Drop reference added by grab_header in proc_sys_readdir
sysrq: attach sysrq handler correctly for 32-bit kernel
tty/serial: atmel_serial: BUG: stop DMA from transmitting in stop_tx
mnt: Protect the mountpoint hashtable with mount_lock
vme: Fix wrong pointer utilization in ca91cx42_slave_get
xhci: fix deadlock at host remove by running watchdog correctly
i2c: fix kernel memory disclosure in dev interface
i2c: print correct device invalid address
Input: elants_i2c - avoid divide by 0 errors on bad touchscreen data
USB: serial: ch341: fix open and resume after B0
USB: serial: ch341: fix control-message error handling
USB: serial: ch341: fix open error handling
USB: serial: ch341: fix initial modem-control state
USB: serial: kl5kusb105: fix line-state error handling
nl80211: fix sched scan netlink socket owner destruction
KVM: x86: Introduce segmented_write_std
KVM: x86: emulate FXSAVE and FXRSTOR
KVM: x86: add asm_safe wrapper
KVM: x86: add Align16 instruction flag
KVM: x86: flush pending lapic jump label updates on module unload
jump_labels: API for flushing deferred jump label updates
KVM: eventfd: fix NULL deref irqbypass consumer
KVM: x86: fix emulation of "MOV SS, null selector"
mm/hugetlb.c: fix reservation race when freeing surplus pages
ocfs2: fix crash caused by stale lvb with fsdlm plugin
mm: fix devm_memremap_pages crash, use mem_hotplug_{begin, done}
selftests: do not require bash for the generated test
selftests: do not require bash to run netsocktests testcase
Input: i8042 - add Pegatron touchpad to noloop table
Input: xpad - use correct product id for x360w controllers
DEBUG: sched/fair: Fix sched_load_avg_cpu events for task_groups
DEBUG: sched/fair: Fix missing sched_load_avg_cpu events
net: socket: don't set sk_uid to garbage value in ->setattr()
ANDROID: configs: CONFIG_ARM64_SW_TTBR0_PAN=y
UPSTREAM: arm64: Disable PAN on uaccess_enable()
UPSTREAM: arm64: Enable CONFIG_ARM64_SW_TTBR0_PAN
UPSTREAM: arm64: xen: Enable user access before a privcmd hvc call
UPSTREAM: arm64: Handle faults caused by inadvertent user access with PAN enabled
BACKPORT: arm64: Disable TTBR0_EL1 during normal kernel execution
BACKPORT: arm64: Introduce uaccess_{disable,enable} functionality based on TTBR0_EL1
BACKPORT: arm64: Factor out TTBR0_EL1 post-update workaround into a specific asm macro
BACKPORT: arm64: Factor out PAN enabling/disabling into separate uaccess_* macros
UPSTREAM: arm64: alternative: add auto-nop infrastructure
UPSTREAM: arm64: barriers: introduce nops and __nops macros for NOP sequences
Revert "FROMLIST: arm64: Factor out PAN enabling/disabling into separate uaccess_* macros"
Revert "FROMLIST: arm64: Factor out TTBR0_EL1 post-update workaround into a specific asm macro"
Revert "FROMLIST: arm64: Introduce uaccess_{disable,enable} functionality based on TTBR0_EL1"
Revert "FROMLIST: arm64: Disable TTBR0_EL1 during normal kernel execution"
Revert "FROMLIST: arm64: Handle faults caused by inadvertent user access with PAN enabled"
Revert "FROMLIST: arm64: xen: Enable user access before a privcmd hvc call"
Revert "FROMLIST: arm64: Enable CONFIG_ARM64_SW_TTBR0_PAN"
ANDROID: sched/walt: fix build failure if FAIR_GROUP_SCHED=n
Linux 4.4.43
mm/init: fix zone boundary creation
ALSA: usb-audio: Add a quirk for Plantronics BT600
spi: mvebu: fix baudrate calculation for armada variant
ARM: OMAP4+: Fix bad fallthrough for cpuidle
ARM: zynq: Reserve correct amount of non-DMA RAM
powerpc: Fix build warning on 32-bit PPC
ALSA: firewire-tascam: Fix to handle error from initialization of stream data
HID: hid-cypress: validate length of report
net: vrf: do not allow table id 0
net: ipv4: Fix multipath selection with vrf
gro: Disable frag0 optimization on IPv6 ext headers
gro: use min_t() in skb_gro_reset_offset()
gro: Enter slow-path if there is no tailroom
r8152: fix rx issue for runtime suspend
r8152: split rtl8152_suspend function
ipv4: Do not allow MAIN to be alias for new LOCAL w/ custom rules
igmp: Make igmp group member RFC 3376 compliant
drop_monitor: consider inserted data in genlmsg_end
drop_monitor: add missing call to genlmsg_end
net/mlx5: Avoid shadowing numa_node
net/mlx5: Check FW limitations on log_max_qp before setting it
net: stmmac: Fix race between stmmac_drv_probe and stmmac_open
net, sched: fix soft lockup in tc_classify
ipv6: handle -EFAULT from skb_copy_bits
net: vrf: Drop conntrack data after pass through VRF device on Tx
ser_gigaset: return -ENOMEM on error instead of success
netvsc: reduce maximum GSO size
Linux 4.4.42
usb: gadget: composite: always set ep->mult to a sensible value
Revert "usb: gadget: composite: always set ep->mult to a sensible value"
tick/broadcast: Prevent NULL pointer dereference
drm/radeon: Always store CRTC relative radeon_crtc->cursor_x/y values
cx23885-dvb: move initialization of a8293_pdata
net: vxge: avoid unused function warnings
net: ti: cpmac: Fix compiler warning due to type confusion
cred/userns: define current_user_ns() as a function
staging: comedi: dt282x: tidy up register bit defines
powerpc/pci/rpadlpar: Fix device reference leaks
md: MD_RECOVERY_NEEDED is set for mddev->recovery
crypto: arm64/aes-ce - fix for big endian
crypto: arm64/aes-xts-ce: fix for big endian
crypto: arm64/sha1-ce - fix for big endian
crypto: arm64/aes-neon - fix for big endian
crypto: arm64/aes-ccm-ce: fix for big endian
crypto: arm/aes-ce - fix for big endian
crypto: arm64/ghash-ce - fix for big endian
crypto: arm64/sha2-ce - fix for big endian
s390/crypto: unlock on error in prng_tdes_read()
mmc: mmc_test: Uninitialized return value
PM / wakeirq: Fix dedicated wakeirq for drivers not using autosuspend
irqchip/bcm7038-l1: Implement irq_cpu_offline() callback
target/iscsi: Fix double free in lio_target_tiqn_addtpg()
scsi: mvsas: fix command_active typo
ASoC: samsung: i2s: Fixup last IRQ unsafe spin lock call
iommu/vt-d: Flush old iommu caches for kdump when the device gets context mapped
iommu/vt-d: Fix pasid table size encoding
iommu/amd: Fix the left value check of cmd buffer
iommu/amd: Missing error code in amd_iommu_init_device()
clk: imx31: fix rewritten input argument of mx31_clocks_init()
clk: clk-wm831x: fix a logic error
hwmon: (g762) Fix overflows and crash seen when writing limit attributes
hwmon: (nct7802) Fix overflows seen when writing into limit attributes
hwmon: (ds620) Fix overflows seen when writing temperature limits
hwmon: (amc6821) sign extension temperature
hwmon: (scpi) Fix module autoload
cris: Only build flash rescue image if CONFIG_ETRAX_AXISFLASHMAP is selected
ath10k: use the right length of "background"
stable-fixup: hotplug: fix unused function warning
usb: dwc3: ep0: explicitly call dwc3_ep0_prepare_one_trb()
usb: dwc3: ep0: add dwc3_ep0_prepare_one_trb()
usb: dwc3: gadget: always unmap EP0 requests
staging: iio: ad7606: fix improper setting of oversampling pins
mei: bus: fix mei_cldev_enable KDoc
USB: serial: io_ti: bind to interface after fw download
USB: phy: am335x-control: fix device and of_node leaks
ARM: dts: r8a7794: Correct hsusb parent clock
USB: serial: kl5kusb105: abort on open exception path
ALSA: usb-audio: Fix bogus error return in snd_usb_create_stream()
usb: musb: blackfin: add bfin_fifo_offset in bfin_ops
usb: hub: Move hub_port_disable() to fix warning if PM is disabled
usb: musb: Fix trying to free already-free IRQ 4
usb: dwc3: pci: add Intel Gemini Lake PCI ID
xhci: Fix race related to abort operation
xhci: Use delayed_work instead of timer for command timeout
usb: xhci-mem: use passed in GFP flags instead of GFP_KERNEL
USB: serial: mos7720: fix parallel probe
USB: serial: mos7720: fix parport use-after-free on probe errors
USB: serial: mos7720: fix use-after-free on probe errors
USB: serial: mos7720: fix NULL-deref at open
USB: serial: mos7840: fix NULL-deref at open
USB: serial: kobil_sct: fix NULL-deref in write
USB: serial: cyberjack: fix NULL-deref at open
USB: serial: oti6858: fix NULL-deref at open
USB: serial: io_edgeport: fix NULL-deref at open
USB: serial: ti_usb_3410_5052: fix NULL-deref at open
USB: serial: garmin_gps: fix memory leak on failed URB submit
USB: serial: iuu_phoenix: fix NULL-deref at open
USB: serial: io_ti: fix I/O after disconnect
USB: serial: io_ti: fix another NULL-deref at open
USB: serial: io_ti: fix NULL-deref at open
USB: serial: spcp8x5: fix NULL-deref at open
USB: serial: keyspan_pda: verify endpoints at probe
USB: serial: pl2303: fix NULL-deref at open
USB: serial: quatech2: fix sleep-while-atomic in close
USB: serial: omninet: fix NULL-derefs at open and disconnect
usb: xhci: hold lock over xhci_abort_cmd_ring()
xhci: Handle command completion and timeout race
usb: host: xhci: Fix possible wild pointer when handling abort command
usb: xhci: fix return value of xhci_setup_device()
xhci: free xhci virtual devices with leaf nodes first
usb: xhci: apply XHCI_PME_STUCK_QUIRK to Intel Apollo Lake
xhci: workaround for hosts missing CAS bit
usb: xhci: fix possible wild pointer
usb: dwc3: core: avoid Overflow events
usb: gadget: composite: Test get_alt() presence instead of set_alt()
USB: dummy-hcd: fix bug in stop_activity (handle ep0)
USB: fix problems with duplicate endpoint addresses
USB: gadgetfs: fix checks of wTotalLength in config descriptors
USB: gadgetfs: fix use-after-free bug
USB: gadgetfs: fix unbounded memory allocation bug
usb: gadgetfs: restrict upper bound on device configuration size
usb: storage: unusual_uas: Add JMicron JMS56x to unusual device
usb: musb: dsps: implement clear_ep_rxintr() callback
usb: musb: core: add clear_ep_rxintr() to musb_platform_ops
KVM: MIPS: Flush KVM entry code from icache globally
KVM: x86: reset MMU on KVM_SET_VCPU_EVENTS
mac80211: initialize fast-xmit 'info' later
ARM: davinci: da850: don't add emac clock to lookup table twice
ALSA: usb-audio: Fix irq/process data synchronization
ALSA: hda - Apply asus-mode8 fixup to ASUS X71SL
ALSA: hda - Fix up GPIO for ASUS ROG Ranger
Linux 4.4.41
net: mvpp2: fix dma unmapping of TX buffers for fragments
sg_write()/bsg_write() is not fit to be called under KERNEL_DS
kconfig/nconf: Fix hang when editing symbol with a long prompt
target/user: Fix use-after-free of tcmu_cmds if they are expired
powerpc: Convert cmp to cmpd in idle enter sequence
powerpc/ps3: Fix system hang with GCC 5 builds
nfs_write_end(): fix handling of short copies
libceph: verify authorize reply on connect
PCI: Check for PME in targeted sleep state
Input: drv260x - fix input device's parent assignment
media: solo6x10: fix lockup by avoiding delayed register write
IB/cma: Fix a race condition in iboe_addr_get_sgid()
IB/multicast: Check ib_find_pkey() return value
IPoIB: Avoid reading an uninitialized member variable
IB/mad: Fix an array index check
fgraph: Handle a case where a tracer ignores set_graph_notrace
platform/x86: asus-nb-wmi.c: Add X45U quirk
ftrace/x86_32: Set ftrace_stub to weak to prevent gcc from using short jumps to it
kvm: nVMX: Allow L1 to intercept software exceptions (#BP and #OF)
KVM: PPC: Book3S HV: Don't lose hardware R/C bit updates in H_PROTECT
KVM: PPC: Book3S HV: Save/restore XER in checkpointed register state
md/raid5: limit request size according to implementation limits
sc16is7xx: Drop bogus use of IRQF_ONESHOT
s390/vmlogrdr: fix IUCV buffer allocation
firmware: fix usermode helper fallback loading
ARC: mm: arc700: Don't assume 2 colours for aliasing VIPT dcache
scsi: avoid a permanent stop of the scsi device's request queue
scsi: zfcp: fix rport unblock race with LUN recovery
scsi: zfcp: do not trace pure benign residual HBA responses at default level
scsi: zfcp: fix use-after-"free" in FC ingress path after TMF
scsi: megaraid_sas: Do not set MPI2_TYPE_CUDA for JBOD FP path for FW which does not support JBOD sequence map
scsi: megaraid_sas: For SRIOV enabled firmware, ensure VF driver waits for 30secs before reset
vt: fix Scroll Lock LED trigger name
block: protect iterate_bdevs() against concurrent close
mei: request async autosuspend at the end of enumeration
drivers/gpu/drm/ast: Fix infinite loop if read fails
drm/gma500: Add compat ioctl
drm/radeon: add additional pci revision to dpm workaround
drm/radeon: Hide the HW cursor while it's out of bounds
drm/radeon: Also call cursor_move_locked when the cursor size changes
drm/nouveau/i2c/gk110b,gm10x: use the correct implementation
drm/nouveau/fifo/gf100-: protect channel preempt with subdev mutex
drm/nouveau/ltc: protect clearing of comptags with mutex
drm/nouveau/bios: require checksum to match for fast acpi shadow method
drm/nouveau/kms: lvds panel strap moved again on maxwell
ACPI / video: Add force_native quirk for HP Pavilion dv6
ACPI / video: Add force_native quirk for Dell XPS 17 L702X
staging: comedi: ni_mio_common: fix E series ni_ai_insn_read() data
staging: comedi: ni_mio_common: fix M Series ni_ai_insn_read() data mask
thermal: hwmon: Properly report critical temperature in sysfs
clk: bcm2835: Avoid overwriting the div info when disabling a pll_div clk
timekeeping_Force_unsigned_clocksource_to_nanoseconds_conversion
regulator: stw481x-vmmc: fix ages old enable error
mmc: sdhci: Fix recovery from tuning timeout
ath9k: Really fix LED polarity for some Mini PCI AR9220 MB92 cards.
cfg80211/mac80211: fix BSS leaks when abandoning assoc attempts
rtlwifi: Fix enter/exit power_save
ssb: Fix error routine when fallback SPROM fails
Linux 4.4.40
ppp: defer netns reference release for ppp channel
driver core: fix race between creating/querying glue dir and its cleanup
xfs: set AGI buffer type in xlog_recover_clear_agi_bucket
arm/xen: Use alloc_percpu rather than __alloc_percpu
xen/gntdev: Use VM_MIXEDMAP instead of VM_IO to avoid NUMA balancing
tpm xen: Remove bogus tpm_chip_unregister
kernel/debug/debug_core.c: more properly delay for secondary CPUs
kernel/watchdog: use nmi registers snapshot in hardlockup handler
CIFS: Fix a possible memory corruption in push locks
CIFS: Fix missing nls unload in smb2_reconnect()
CIFS: Fix a possible memory corruption during reconnect
ASoC: intel: Fix crash at suspend/resume without card registration
dm space map metadata: fix 'struct sm_metadata' leak on failed create
dm crypt: mark key as invalid until properly loaded
dm flakey: return -EINVAL on interval bounds error in flakey_ctr()
blk-mq: Do not invoke .queue_rq() for a stopped queue
usb: gadget: composite: always set ep->mult to a sensible value
exec: Ensure mm->user_ns contains the execed files
fs: exec: apply CLOEXEC before changing dumpable task flags
mm/vmscan.c: set correct defer count for shrinker
loop: return proper error from loop_queue_rq()
f2fs: set ->owner for debugfs status file's file_operations
ext4: do not perform data journaling when data is encrypted
ext4: return -ENOMEM instead of success
ext4: reject inodes with negative size
ext4: add sanity checking to count_overhead()
ext4: fix in-superblock mount options processing
ext4: use more strict checks for inodes_per_block on mount
ext4: fix stack memory corruption with 64k block size
ext4: fix mballoc breakage with 64k block size
crypto: caam - fix AEAD givenc descriptors
ptrace: Capture the ptracer's creds not PT_PTRACE_CAP
mm: Add a user_ns owner to mm_struct and fix ptrace permission checks
block_dev: don't test bdev->bd_contains when it is not stable
btrfs: make file clone aware of fatal signals
Btrfs: don't BUG() during drop snapshot
Btrfs: fix memory leak in do_walk_down
Btrfs: don't leak reloc root nodes on error
Btrfs: return gracefully from balance if fs tree is corrupted
Btrfs: bail out if block group has different mixed flag
Btrfs: fix memory leak in reading btree blocks
clk: ti: omap36xx: Work around sprz319 advisory 2.1
ALSA: hda: when comparing pin configurations, ignore assoc in addition to seq
ALSA: hda - Gate the mic jack on HP Z1 Gen3 AiO
ALSA: hda - fix headset-mic problem on a Dell laptop
ALSA: hda - ignore the assoc and seq when comparing pin configurations
ALSA: hda/ca0132 - Add quirk for Alienware 15 R2 2016
ALSA: hiface: Fix M2Tech hiFace driver sampling rate change
ALSA: usb-audio: Add QuickCam Communicate Deluxe/S7500 to volume_control_quirks
USB: UHCI: report non-PME wakeup signalling for Intel hardware
usb: gadget: composite: correctly initialize ep->maxpacket
usb: gadget: f_uac2: fix error handling at afunc_bind
usb: hub: Fix auto-remount of safely removed or ejected USB-3 devices
USB: cdc-acm: add device id for GW Instek AFG-125
USB: serial: kl5kusb105: fix open error path
USB: serial: option: add dlink dwm-158
USB: serial: option: add support for Telit LE922A PIDs 0x1040, 0x1041
Btrfs: fix qgroup rescan worker initialization
btrfs: store and load values of stripes_min/stripes_max in balance status item
Btrfs: fix tree search logic when replaying directory entry deletes
btrfs: limit async_work allocation and worker func duration
ANDROID: trace: net: use %pK for kernel pointers
ANDROID: android-base: Enable QUOTA related configs
net: ipv4: Don't crash if passing a null sk to ip_rt_update_pmtu.
net: inet: Support UID-based routing in IP protocols.
Revert "net: ipv6: fix virtual tunneling build"
net: core: add UID to flows, rules, and routes
net: core: Add a UID field to struct sock.
Revert "net: core: Support UID-based routing."
Revert "net: core: Handle 'sk' being NULL in UID-based routing"
Revert "ANDROID: net: fix 'const' warnings"
Revert "ANDROID: net: fib: remove duplicate assignment"
Revert "ANDROID: net: core: fix UID-based routing"
UPSTREAM: efi/arm64: Don't apply MEMBLOCK_NOMAP to UEFI memory map mapping
UPSTREAM: arm64: enable CONFIG_DEBUG_RODATA by default
goldfish: enable CONFIG_INET_DIAG_DESTROY
sched/walt: kill {min,max}_capacity
sched: fix wrong truncation of walt_avg
ANDROID: dm verity: add minimum prefetch size
Linux 4.4.39
crypto: rsa - Add Makefile dependencies to fix parallel builds
hotplug: Make register and unregister notifier API symmetric
batman-adv: Check for alloc errors when preparing TT local data
m68k: Fix ndelay() macro
arm64: futex.h: Add missing PAN toggling
can: peak: fix bad memory access and free sequence
can: raw: raw_setsockopt: limit number of can_filter that can be set
crypto: mcryptd - Check mcryptd algorithm compatibility
perf/x86: Fix full width counter, counter overflow
locking/rtmutex: Use READ_ONCE() in rt_mutex_owner()
locking/rtmutex: Prevent dequeue vs. unlock race
zram: restrict add/remove attributes to root only
parisc: Fix TLB related boot crash on SMP machines
parisc: Remove unnecessary TLB purges from flush_dcache_page_asm and flush_icache_page_asm
parisc: Purge TLB before setting PTE
powerpc/eeh: Fix deadlock when PE frozen state can't be cleared
Conflicts:
arch/arm64/kernel/traps.c
drivers/usb/dwc3/core.h
drivers/usb/dwc3/ep0.c
drivers/usb/gadget/function/f_fs.c
drivers/usb/host/xhci-mem.c
drivers/usb/host/xhci-ring.c
drivers/usb/host/xhci.c
drivers/video/fbdev/core/fbcmap.c
include/trace/events/sched.h
mm/vmscan.c
Change-Id: I3faa0010ecb98972cd8e6470377a493b56d95f89
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
Signed-off-by: Runmin Wang <runminw@codeaurora.org>
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commit da7061c82e4a1bc6a5e134ef362c86261906c860 upstream.
The function ieee80211_ie_split_vendor doesn't return 0 on errors. Instead
it returns any offset < ielen when WLAN_EID_VENDOR_SPECIFIC is found. The
return value in mesh_add_vendor_ies must therefore be checked against
ifmsh->ie_len and not 0. Otherwise all ifmsh->ie starting with
WLAN_EID_VENDOR_SPECIFIC will be rejected.
Fixes: 082ebb0c258d ("mac80211: fix mesh beacon format")
Signed-off-by: Thorsten Horstmann <thorsten@defutech.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fit.fraunhofer.de>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
[sven@narfation.org: Add commit message]
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a06393ed03167771246c4c43192d9c264bc48412 upstream.
When removing a bcm tx operation either a hrtimer or a tasklet might run.
As the hrtimer triggers its associated tasklet and vice versa we need to
take care to mutually terminate both handlers.
Reported-by: Michael Josenhans <michael.josenhans@web.de>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Tested-by: Michael Josenhans <michael.josenhans@web.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 034dd34ff4916ec1f8f74e39ca3efb04eab2f791 upstream.
Olga Kornievskaia says: "I ran into this oops in the nfsd (below)
(4.10-rc3 kernel). To trigger this I had a client (unsuccessfully) try
to mount the server with krb5 where the server doesn't have the
rpcsec_gss_krb5 module built."
The problem is that rsci.cred is copied from a svc_cred structure that
gss_proxy didn't properly initialize. Fix that.
[120408.542387] general protection fault: 0000 [#1] SMP
...
[120408.565724] CPU: 0 PID: 3601 Comm: nfsd Not tainted 4.10.0-rc3+ #16
[120408.567037] Hardware name: VMware, Inc. VMware Virtual =
Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015
[120408.569225] task: ffff8800776f95c0 task.stack: ffffc90003d58000
[120408.570483] RIP: 0010:gss_mech_put+0xb/0x20 [auth_rpcgss]
...
[120408.584946] ? rsc_free+0x55/0x90 [auth_rpcgss]
[120408.585901] gss_proxy_save_rsc+0xb2/0x2a0 [auth_rpcgss]
[120408.587017] svcauth_gss_proxy_init+0x3cc/0x520 [auth_rpcgss]
[120408.588257] ? __enqueue_entity+0x6c/0x70
[120408.589101] svcauth_gss_accept+0x391/0xb90 [auth_rpcgss]
[120408.590212] ? try_to_wake_up+0x4a/0x360
[120408.591036] ? wake_up_process+0x15/0x20
[120408.592093] ? svc_xprt_do_enqueue+0x12e/0x2d0 [sunrpc]
[120408.593177] svc_authenticate+0xe1/0x100 [sunrpc]
[120408.594168] svc_process_common+0x203/0x710 [sunrpc]
[120408.595220] svc_process+0x105/0x1c0 [sunrpc]
[120408.596278] nfsd+0xe9/0x160 [nfsd]
[120408.597060] kthread+0x101/0x140
[120408.597734] ? nfsd_destroy+0x60/0x60 [nfsd]
[120408.598626] ? kthread_park+0x90/0x90
[120408.599448] ret_from_fork+0x22/0x30
Fixes: 1d658336b05f "SUNRPC: Add RPC based upcall mechanism for RPCGSS auth"
Cc: Simo Sorce <simo@redhat.com>
Reported-by: Olga Kornievskaia <kolga@netapp.com>
Tested-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit f154be241d22298d2b63c9b613f619fa1086ea75 ]
Commit 448b4482c671 ("net: dsa: Add lockdep class to tx queues to avoid
lockdep splat") removed the netif_device_detach() call done in
dsa_slave_suspend() which is necessary, and paired with a corresponding
netif_device_attach(), bring it back.
Fixes: 448b4482c671 ("net: dsa: Add lockdep class to tx queues to avoid lockdep splat")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 0fb44559ffd67de8517098b81f675fa0210f13f0 ]
Dmitry reported a deadlock scenario:
unix_bind() path:
u->bindlock ==> sb_writer
do_splice() path:
sb_writer ==> pipe->mutex ==> u->bindlock
In the unix_bind() code path, unix_mknod() does not have to
be done with u->bindlock held, since it is a pure fs operation,
so we can just move unix_mknod() out.
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Tested-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Rainer Weikusat <rweikusat@mobileactivedefense.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.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 b6677449dff674cf5b81429b11d5c7f358852ef9 ]
Any bridge options specified during link creation (e.g. ip link add)
are ignored as br_dev_newlink() does not process them.
Use br_changelink() to do it.
Fixes: 133235161721 ("bridge: implement rtnl_link_ops->changelink")
Signed-off-by: Ivan Vecera <cera@cera.cz>
Reviewed-by: Jiri Pirko <jiri@mellanox.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 0dbd7ff3ac5017a46033a9d0a87a8267d69119d9 ]
Found that if we run LTP netstress test with large MSS (65K),
the first attempt from server to send data comparable to this
MSS on fastopen connection will be delayed by the probe timer.
Here is an example:
< S seq 0:0 win 43690 options [mss 65495 wscale 7 tfo cookie] length 32
> S. seq 0:0 ack 1 win 43690 options [mss 65495 wscale 7] length 0
< . ack 1 win 342 length 0
Inside tcp_sendmsg(), tcp_send_mss() returns max MSS in 'mss_now',
as well as in 'size_goal'. This results the segment not queued for
transmition until all the data copied from user buffer. Then, inside
__tcp_push_pending_frames(), it breaks on send window test and
continues with the check probe timer.
Fragmentation occurs in tcp_write_wakeup()...
+0.2 > P. seq 1:43777 ack 1 win 342 length 43776
< . ack 43777, win 1365 length 0
> P. seq 43777:65001 ack 1 win 342 options [...] length 21224
...
This also contradicts with the fact that we should bound to the half
of the window if it is large.
Fix this flaw by correctly initializing max_window. Before that, it
could have large values that affect further calculations of 'size_goal'.
Fixes: 168a8f58059a ("tcp: TCP Fast Open Server - main code path")
Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
Acked-by: Eric Dumazet <edumazet@google.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 03e4deff4987f79c34112c5ba4eb195d4f9382b0 ]
Just like commit 4acd4945cd1e ("ipv6: addrconf: Avoid calling
netdevice notifiers with RCU read-side lock"), it is unnecessary
to make addrconf_disable_change() use RCU iteration over the
netdev list, since it already holds the RTNL lock, or we may meet
Illegal context switch in RCU read-side critical section.
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.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 7be2c82cfd5d28d7adb66821a992604eb6dd112e ]
Ashizuka reported a highmem oddity and sent a patch for freescale
fec driver.
But the problem root cause is that core networking stack
must ensure no skb with highmem fragment is ever sent through
a device that does not assert NETIF_F_HIGHDMA in its features.
We need to call illegal_highdma() from harmonize_features()
regardless of CSUM checks.
Fixes: ec5f06156423 ("net: Kill link between CSUM and SG features.")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Pravin Shelar <pshelar@ovn.org>
Reported-by: "Ashizuka, Yuusuke" <ashiduka@jp.fujitsu.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 8a367e74c0120ef68c8c70d5a025648c96626dff ]
The ax.25 socket connection timed out & the sock struct has been
previously taken down ie. sock struct is now a NULL pointer. Checking
the sock_flag causes the segfault. Check if the socket struct pointer
is NULL before checking sock_flag. This segfault is seen in
timed out netrom connections.
Please submit to -stable.
Signed-off-by: Basil Gunn <basil@pacabunga.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 75f01a4c9cc291ff5cb28ca1216adb163b7a20ee ]
When executing conntrack actions on skbuffs with checksum mode
CHECKSUM_COMPLETE, the checksum must be updated to account for
header pushes and pulls. Otherwise we get "hw csum failure"
logs similar to this (ICMP packet received on geneve tunnel
via ixgbe NIC):
[ 405.740065] genev_sys_6081: hw csum failure
[ 405.740106] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G I 4.10.0-rc3+ #1
[ 405.740108] Call Trace:
[ 405.740110] <IRQ>
[ 405.740113] dump_stack+0x63/0x87
[ 405.740116] netdev_rx_csum_fault+0x3a/0x40
[ 405.740118] __skb_checksum_complete+0xcf/0xe0
[ 405.740120] nf_ip_checksum+0xc8/0xf0
[ 405.740124] icmp_error+0x1de/0x351 [nf_conntrack_ipv4]
[ 405.740132] nf_conntrack_in+0xe1/0x550 [nf_conntrack]
[ 405.740137] ? find_bucket.isra.2+0x62/0x70 [openvswitch]
[ 405.740143] __ovs_ct_lookup+0x95/0x980 [openvswitch]
[ 405.740145] ? netif_rx_internal+0x44/0x110
[ 405.740149] ovs_ct_execute+0x147/0x4b0 [openvswitch]
[ 405.740153] do_execute_actions+0x22e/0xa70 [openvswitch]
[ 405.740157] ovs_execute_actions+0x40/0x120 [openvswitch]
[ 405.740161] ovs_dp_process_packet+0x84/0x120 [openvswitch]
[ 405.740166] ovs_vport_receive+0x73/0xd0 [openvswitch]
[ 405.740168] ? udp_rcv+0x1a/0x20
[ 405.740170] ? ip_local_deliver_finish+0x93/0x1e0
[ 405.740172] ? ip_local_deliver+0x6f/0xe0
[ 405.740174] ? ip_rcv_finish+0x3a0/0x3a0
[ 405.740176] ? ip_rcv_finish+0xdb/0x3a0
[ 405.740177] ? ip_rcv+0x2a7/0x400
[ 405.740180] ? __netif_receive_skb_core+0x970/0xa00
[ 405.740185] netdev_frame_hook+0xd3/0x160 [openvswitch]
[ 405.740187] __netif_receive_skb_core+0x1dc/0xa00
[ 405.740194] ? ixgbe_clean_rx_irq+0x46d/0xa20 [ixgbe]
[ 405.740197] __netif_receive_skb+0x18/0x60
[ 405.740199] netif_receive_skb_internal+0x40/0xb0
[ 405.740201] napi_gro_receive+0xcd/0x120
[ 405.740204] gro_cell_poll+0x57/0x80 [geneve]
[ 405.740206] net_rx_action+0x260/0x3c0
[ 405.740209] __do_softirq+0xc9/0x28c
[ 405.740211] irq_exit+0xd9/0xf0
[ 405.740213] do_IRQ+0x51/0xd0
[ 405.740215] common_interrupt+0x93/0x93
Fixes: 7f8a436eaa2c ("openvswitch: Add conntrack action")
Signed-off-by: Lance Richardson <lrichard@redhat.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 003c941057eaa868ca6fedd29a274c863167230d ]
Fix up a data alignment issue on sparc by swapping the order
of the cookie byte array field with the length field in
struct tcp_fastopen_cookie, and making it a proper union
to clean up the typecasting.
This addresses log complaints like these:
log_unaligned: 113 callbacks suppressed
Kernel unaligned access at TPC[976490] tcp_try_fastopen+0x2d0/0x360
Kernel unaligned access at TPC[9764ac] tcp_try_fastopen+0x2ec/0x360
Kernel unaligned access at TPC[9764c8] tcp_try_fastopen+0x308/0x360
Kernel unaligned access at TPC[9764e4] tcp_try_fastopen+0x324/0x360
Kernel unaligned access at TPC[976490] tcp_try_fastopen+0x2d0/0x360
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Acked-by: Eric Dumazet <edumazet@google.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 8a430ed50bb1b19ca14a46661f3b1b35f2fb5c39 ]
rtm_table is an 8-bit field while table ids are allowed up to u32. Commit
709772e6e065 ("net: Fix routing tables with id > 255 for legacy software")
added the preference to set rtm_table in dumps to RT_TABLE_COMPAT if the
table id is > 255. The table id returned on get route requests should do
the same.
Fixes: c36ba6603a11 ("net: Allow user to get table id from route lookup")
Signed-off-by: David Ahern <dsa@cumulusnetworks.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 ea7a80858f57d8878b1499ea0f1b8a635cc48de7 ]
Handle failure in lwtunnel_fill_encap adding attributes to skb.
Fixes: 571e722676fe ("ipv4: support for fib route lwtunnel encap attributes")
Fixes: 19e42e451506 ("ipv6: support for fib route lwtunnel encap attributes")
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c929ea0b910355e1876c64431f3d5802f95b3d75 upstream.
After removing sunrpc module, I get many kmemleak information as,
unreferenced object 0xffff88003316b1e0 (size 544):
comm "gssproxy", pid 2148, jiffies 4294794465 (age 4200.081s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffffb0cfb58a>] kmemleak_alloc+0x4a/0xa0
[<ffffffffb03507fe>] kmem_cache_alloc+0x15e/0x1f0
[<ffffffffb0639baa>] ida_pre_get+0xaa/0x150
[<ffffffffb0639cfd>] ida_simple_get+0xad/0x180
[<ffffffffc06054fb>] nlmsvc_lookup_host+0x4ab/0x7f0 [lockd]
[<ffffffffc0605e1d>] lockd+0x4d/0x270 [lockd]
[<ffffffffc06061e5>] param_set_timeout+0x55/0x100 [lockd]
[<ffffffffc06cba24>] svc_defer+0x114/0x3f0 [sunrpc]
[<ffffffffc06cbbe7>] svc_defer+0x2d7/0x3f0 [sunrpc]
[<ffffffffc06c71da>] rpc_show_info+0x8a/0x110 [sunrpc]
[<ffffffffb044a33f>] proc_reg_write+0x7f/0xc0
[<ffffffffb038e41f>] __vfs_write+0xdf/0x3c0
[<ffffffffb0390f1f>] vfs_write+0xef/0x240
[<ffffffffb0392fbd>] SyS_write+0xad/0x130
[<ffffffffb0d06c37>] entry_SYSCALL_64_fastpath+0x1a/0xa9
[<ffffffffffffffff>] 0xffffffffffffffff
I found, the ida information (dynamic memory) isn't cleanup.
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Fixes: 2f048db4680a ("SUNRPC: Add an identifier for struct rpc_clnt")
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ce1ca7d2d140a1f4aaffd297ac487f246963dd2f upstream.
In rdma_read_chunk_frmr() when ib_post_send() fails, the error code path
invokes ib_dma_unmap_sg() to unmap the sg list. It then invokes
svc_rdma_put_frmr() which in turn tries to unmap the same sg list through
ib_dma_unmap_sg() again. This second unmap is invalid and could lead to
problems when the iova being unmapped is subsequently reused. Remove
the call to unmap in rdma_read_chunk_frmr() and let svc_rdma_put_frmr()
handle it.
Fixes: 412a15c0fe53 ("svcrdma: Port to new memory registration API")
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 78794d1890708cf94e3961261e52dcec2cc34722 upstream.
Context expiry times are in units of seconds since boot, not unix time.
The use of get_seconds() here therefore sets the expiry time decades in
the future. This prevents timely freeing of contexts destroyed by
client RPC_GSS_PROC_DESTROY requests. We'd still free them eventually
(when the module is unloaded or the container shut down), but a lot of
contexts could pile up before then.
Fixes: c5b29f885afe "sunrpc: use seconds since boot in expiry cache"
Reported-by: Andy Adamson <andros@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 753aacfd2e95df6a0caf23c03dc309020765bea9 upstream.
A single netlink socket might own multiple interfaces *and* a
scheduled scan request (which might belong to another interface),
so when it goes away both may need to be destroyed.
Remove the schedule_scan_stop indirection to fix this - it's only
needed for interface destruction because of the way this works
right now, with a single work taking care of all interfaces.
Fixes: 93a1e86ce10e4 ("nl80211: Stop scheduled scan if netlink client disappears")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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->setattr() was recently implemented for socket files to sync the socket
inode's uid to the new 'sk_uid' member of struct sock. It does this by
copying over the ia_uid member of struct iattr. However, ia_uid is
actually only valid when ATTR_UID is set in ia_valid, indicating that
the uid is being changed, e.g. by chown. Other metadata operations such
as chmod or utimes leave ia_uid uninitialized. Therefore, sk_uid could
be set to a "garbage" value from the stack.
Fix this by only copying the uid over when ATTR_UID is set.
[cherry-pick of net e1a3a60a2ebe991605acb14cd58e39c0545e174e]
Bug: 16355602
Change-Id: I20e53848e54282b72a388ce12bfa88da5e3e9efe
Fixes: 86741ec25462 ("net: core: Add a UID field to struct sock.")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Tested-by: Lorenzo Colitti <lorenzo@google.com>
Acked-by: Lorenzo Colitti <lorenzo@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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[ Upstream commit 7a18c5b9fb31a999afc62b0e60978aa896fc89e9 ]
fib_select_path does not call fib_select_multipath if oif is set in the
flow struct. For VRF use cases oif is always set, so multipath route
selection is bypassed. Use the FLOWI_FLAG_SKIP_NH_OIF to skip the oif
check similar to what is done in fib_table_lookup.
Add saddr and proto to the flow struct for the fib lookup done by the
VRF driver to better match hash computation for a flow.
Fixes: 613d09b30f8b ("net: Use VRF device index for lookups on TX")
Signed-off-by: David Ahern <dsa@cumulusnetworks.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 57ea52a865144aedbcd619ee0081155e658b6f7d ]
The GRO fast path caches the frag0 address. This address becomes
invalid if frag0 is modified by pskb_may_pull or its variants.
So whenever that happens we must disable the frag0 optimization.
This is usually done through the combination of gro_header_hard
and gro_header_slow, however, the IPv6 extension header path did
the pulling directly and would continue to use the GRO fast path
incorrectly.
This patch fixes it by disabling the fast path when we enter the
IPv6 extension header path.
Fixes: 78a478d0efd9 ("gro: Inline skb_gro_header and cache frag0 virtual address")
Reported-by: Slava Shwartsman <slavash@mellanox.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Eric Dumazet <edumazet@google.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 7cfd5fd5a9813f1430290d20c0fead9b4582a307 ]
On 32bit arches, (skb->end - skb->data) is not 'unsigned int',
so we shall use min_t() instead of min() to avoid a compiler error.
Fixes: 1272ce87fa01 ("gro: Enter slow-path if there is no tailroom")
Reported-by: kernel test robot <fengguang.wu@intel.com>
Signed-off-by: Eric Dumazet <edumazet@google.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 1272ce87fa017ca4cf32920764d879656b7a005a ]
The GRO path has a fast-path where we avoid calling pskb_may_pull
and pskb_expand by directly accessing frag0. However, this should
only be done if we have enough tailroom in the skb as otherwise
we'll have to expand it later anyway.
This patch adds the check by capping frag0_len with the skb tailroom.
Fixes: cb18978cbf45 ("gro: Open-code final pskb_may_pull")
Reported-by: Slava Shwartsman <slavash@mellanox.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Eric Dumazet <edumazet@google.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 5350d54f6cd12eaff623e890744c79b700bd3f17 ]
In the case of custom rules being present we need to handle the case of the
LOCAL table being intialized after the new rule has been added. To address
that I am adding a new check so that we can make certain we don't use an
alias of MAIN for LOCAL when allocating a new table.
Fixes: 0ddcf43d5d4a ("ipv4: FIB Local/MAIN table collapse")
Reported-by: Oliver Brunel <jjk@jjacky.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.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 7ababb782690e03b78657e27bd051e20163af2d6 ]
5.2. Action on Reception of a Query
When a system receives a Query, it does not respond immediately.
Instead, it delays its response by a random amount of time, bounded
by the Max Resp Time value derived from the Max Resp Code in the
received Query message. A system may receive a variety of Queries on
different interfaces and of different kinds (e.g., General Queries,
Group-Specific Queries, and Group-and-Source-Specific Queries), each
of which may require its own delayed response.
Before scheduling a response to a Query, the system must first
consider previously scheduled pending responses and in many cases
schedule a combined response. Therefore, the system must be able to
maintain the following state:
o A timer per interface for scheduling responses to General Queries.
o A per-group and interface timer for scheduling responses to Group-
Specific and Group-and-Source-Specific Queries.
o A per-group and interface list of sources to be reported in the
response to a Group-and-Source-Specific Query.
When a new Query with the Router-Alert option arrives on an
interface, provided the system has state to report, a delay for a
response is randomly selected in the range (0, [Max Resp Time]) where
Max Resp Time is derived from Max Resp Code in the received Query
message. The following rules are then used to determine if a Report
needs to be scheduled and the type of Report to schedule. The rules
are considered in order and only the first matching rule is applied.
1. If there is a pending response to a previous General Query
scheduled sooner than the selected delay, no additional response
needs to be scheduled.
2. If the received Query is a General Query, the interface timer is
used to schedule a response to the General Query after the
selected delay. Any previously pending response to a General
Query is canceled.
--8<--
Currently the timer is rearmed with new random expiration time for
every incoming query regardless of possibly already pending report.
Which is not aligned with the above RFE.
It also might happen that higher rate of incoming queries can
postpone the report after the expiration time of the first query
causing group membership loss.
Now the per interface general query timer is rearmed only
when there is no pending report already scheduled on that interface or
the newly selected expiration time is before the already pending
scheduled report.
Signed-off-by: Michal Tesar <mtesar@redhat.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 3b48ab2248e61408910e792fe84d6ec466084c1a ]
Final nlmsg_len field update must reflect inserted net_dm_drop_point
data.
This patch depends on previous patch:
"drop_monitor: add missing call to genlmsg_end"
Signed-off-by: Reiter Wolfgang <wr0112358@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.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 4200462d88f47f3759bdf4705f87e207b0f5b2e4 ]
Update nlmsg_len field with genlmsg_end to enable userspace processing
using nlmsg_next helper. Also adds error handling.
Signed-off-by: Reiter Wolfgang <wr0112358@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.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 628185cfddf1dfb701c4efe2cfd72cf5b09f5702 ]
Shahar reported a soft lockup in tc_classify(), where we run into an
endless loop when walking the classifier chain due to tp->next == tp
which is a state we should never run into. The issue only seems to
trigger under load in the tc control path.
What happens is that in tc_ctl_tfilter(), thread A allocates a new
tp, initializes it, sets tp_created to 1, and calls into tp->ops->change()
with it. In that classifier callback we had to unlock/lock the rtnl
mutex and returned with -EAGAIN. One reason why we need to drop there
is, for example, that we need to request an action module to be loaded.
This happens via tcf_exts_validate() -> tcf_action_init/_1() meaning
after we loaded and found the requested action, we need to redo the
whole request so we don't race against others. While we had to unlock
rtnl in that time, thread B's request was processed next on that CPU.
Thread B added a new tp instance successfully to the classifier chain.
When thread A returned grabbing the rtnl mutex again, propagating -EAGAIN
and destroying its tp instance which never got linked, we goto replay
and redo A's request.
This time when walking the classifier chain in tc_ctl_tfilter() for
checking for existing tp instances we had a priority match and found
the tp instance that was created and linked by thread B. Now calling
again into tp->ops->change() with that tp was successful and returned
without error.
tp_created was never cleared in the second round, thus kernel thinks
that we need to link it into the classifier chain (once again). tp and
*back point to the same object due to the match we had earlier on. Thus
for thread B's already public tp, we reset tp->next to tp itself and
link it into the chain, which eventually causes the mentioned endless
loop in tc_classify() once a packet hits the data path.
Fix is to clear tp_created at the beginning of each request, also when
we replay it. On the paths that can cause -EAGAIN we already destroy
the original tp instance we had and on replay we really need to start
from scratch. It seems that this issue was first introduced in commit
12186be7d2e1 ("net_cls: fix unconfigured struct tcf_proto keeps chaining
and avoid kernel panic when we use cls_cgroup").
Fixes: 12186be7d2e1 ("net_cls: fix unconfigured struct tcf_proto keeps chaining and avoid kernel panic when we use cls_cgroup")
Reported-by: Shahar Klein <shahark@mellanox.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Tested-by: Shahar Klein <shahark@mellanox.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 a98f91758995cb59611e61318dddd8a6956b52c3 ]
By setting certain socket options on ipv6 raw sockets, we can confuse the
length calculation in rawv6_push_pending_frames triggering a BUG_ON.
RIP: 0010:[<ffffffff817c6390>] [<ffffffff817c6390>] rawv6_sendmsg+0xc30/0xc40
RSP: 0018:ffff881f6c4a7c18 EFLAGS: 00010282
RAX: 00000000fffffff2 RBX: ffff881f6c681680 RCX: 0000000000000002
RDX: ffff881f6c4a7cf8 RSI: 0000000000000030 RDI: ffff881fed0f6a00
RBP: ffff881f6c4a7da8 R08: 0000000000000000 R09: 0000000000000009
R10: ffff881fed0f6a00 R11: 0000000000000009 R12: 0000000000000030
R13: ffff881fed0f6a00 R14: ffff881fee39ba00 R15: ffff881fefa93a80
Call Trace:
[<ffffffff8118ba23>] ? unmap_page_range+0x693/0x830
[<ffffffff81772697>] inet_sendmsg+0x67/0xa0
[<ffffffff816d93f8>] sock_sendmsg+0x38/0x50
[<ffffffff816d982f>] SYSC_sendto+0xef/0x170
[<ffffffff816da27e>] SyS_sendto+0xe/0x10
[<ffffffff81002910>] do_syscall_64+0x50/0xa0
[<ffffffff817f7cbc>] entry_SYSCALL64_slow_path+0x25/0x25
Handle by jumping to the failure path if skb_copy_bits gets an EFAULT.
Reproducer:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#define LEN 504
int main(int argc, char* argv[])
{
int fd;
int zero = 0;
char buf[LEN];
memset(buf, 0, LEN);
fd = socket(AF_INET6, SOCK_RAW, 7);
setsockopt(fd, SOL_IPV6, IPV6_CHECKSUM, &zero, 4);
setsockopt(fd, SOL_IPV6, IPV6_DSTOPTS, &buf, LEN);
sendto(fd, buf, 1, 0, (struct sockaddr *) buf, 110);
}
Signed-off-by: Dave Jones <davej@codemonkey.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 35f432a03e41d3bf08c51ede917f94e2288fbe8c upstream.
In ieee80211_xmit_fast(), 'info' is initialized to point to the skb
that's passed in, but that skb may later be replaced by a clone (if
it was shared), leading to an invalid pointer.
This can lead to use-after-free and also later crashes since the
real SKB's info->hw_queue doesn't get initialized properly.
Fix this by assigning info only later, when it's needed, after the
skb replacement (may have) happened.
Reported-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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