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Changes in 4.4.97
ALSA: timer: Add missing mutex lock for compat ioctls
ALSA: seq: Fix nested rwsem annotation for lockdep splat
cifs: check MaxPathNameComponentLength != 0 before using it
KEYS: return full count in keyring_read() if buffer is too small
KEYS: fix out-of-bounds read during ASN.1 parsing
ASoC: adau17x1: Workaround for noise bug in ADC
arm64: ensure __dump_instr() checks addr_limit
ARM: dts: mvebu: pl310-cache disable double-linefill
ARM: 8715/1: add a private asm/unaligned.h
ocfs2: fstrim: Fix start offset of first cluster group during fstrim
perf tools: Fix build failure on perl script context
drm/msm: Fix potential buffer overflow issue
drm/msm: fix an integer overflow test
tracing/samples: Fix creation and deletion of simple_thread_fn creation
Fix tracing sample code warning.
PM / wakeirq: report a wakeup_event on dedicated wekup irq
mmc: s3cmci: include linux/interrupt.h for tasklet_struct
ARM: pxa: Don't rely on public mmc header to include leds.h
mfd: ab8500-sysctrl: Handle probe deferral
mfd: axp20x: Fix axp288 PEK_DBR and PEK_DBF irqs being swapped
staging: rtl8712u: Fix endian settings for structs describing network packets
ext4: fix stripe-unaligned allocations
ext4: do not use stripe_width if it is not set
i2c: riic: correctly finish transfers
drm/amdgpu: when dpm disabled, also need to stop/start vce.
perf tools: Only increase index if perf_evsel__new_idx() succeeds
cx231xx: Fix I2C on Internal Master 3 Bus
xen/manage: correct return value check on xenbus_scanf()
scsi: aacraid: Process Error for response I/O
platform/x86: intel_mid_thermal: Fix module autoload
staging: lustre: llite: don't invoke direct_IO for the EOF case
staging: lustre: hsm: stack overrun in hai_dump_data_field
staging: lustre: ptlrpc: skip lock if export failed
exynos4-is: fimc-is: Unmap region obtained by of_iomap()
mei: return error on notification request to a disconnected client
s390/dasd: check for device error pointer within state change interrupts
bt8xx: fix memory leak
xen: don't print error message in case of missing Xenstore entry
staging: r8712u: Fix Sparse warning in rtl871x_xmit.c
Linux 4.4.97
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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[ Upstream commit 5469d7c3087ecaf760f54b447f11af6061b7c897 ]
Avoid using stripe_width for sbi->s_stripe value if it is not actually
set. It prevents using the stride for sbi->s_stripe.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit d9b22cf9f5466a057f2a4f1e642b469fa9d73117 ]
When a filesystem is created using:
mkfs.ext4 -b 4096 -E stride=512 <dev>
and we try to allocate 64MB extent, we will end up directly in
ext4_mb_complex_scan_group(). This is because the request is detected
as power-of-two allocation (so we start in ext4_mb_regular_allocator()
with ac_criteria == 0) however the check before
ext4_mb_simple_scan_group() refuses the direct buddy scan because the
allocation request is too large. Since cr == 0, the check whether we
should use ext4_mb_scan_aligned() fails as well and we fall back to
ext4_mb_complex_scan_group().
Fix the problem by checking for upper limit on power-of-two requests
directly when detecting them.
Reported-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 105ddc93f06ebe3e553f58563d11ed63dbcd59f0 upstream.
The first cluster group descriptor is not stored at the start of the
group but at an offset from the start. We need to take this into
account while doing fstrim on the first cluster group. Otherwise we
will wrongly start fstrim a few blocks after the desired start block and
the range can cross over into the next cluster group and zero out the
group descriptor there. This can cause filesytem corruption that cannot
be fixed by fsck.
Link: http://lkml.kernel.org/r/1507835579-7308-1-git-send-email-ashish.samant@oracle.com
Signed-off-by: Ashish Samant <ashish.samant@oracle.com>
Reviewed-by: Junxiao Bi <junxiao.bi@oracle.com>
Reviewed-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.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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commit f74bc7c6679200a4a83156bb89cbf6c229fe8ec0 upstream.
And fix tcon leak in error path.
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: David Disseldorp <ddiss@samba.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* refs/heads/tmp-aed4c54
Linux 4.4.96
Revert "drm: bridge: add DT bindings for TI ths8135"
ecryptfs: fix dereference of NULL user_key_payload
x86/microcode/intel: Disable late loading on model 79
regulator: fan53555: fix I2C device ids
can: kvaser_usb: Ignore CMD_FLUSH_QUEUE_REPLY messages
can: kvaser_usb: Correct return value in printout
can: sun4i: fix loopback mode
scsi: sg: Re-fix off by one in sg_fill_request_table()
scsi: zfcp: fix erp_action use-before-initialize in REC action trace
assoc_array: Fix a buggy node-splitting case
Input: gtco - fix potential out-of-bound access
Input: elan_i2c - add ELAN0611 to the ACPI table
xen/gntdev: avoid out of bounds access in case of partial gntdev_mmap()
fuse: fix READDIRPLUS skipping an entry
spi: uapi: spidev: add missing ioctl header
usb: xhci: Handle error condition in xhci_stop_device()
ceph: unlock dangling spinlock in try_flush_caps()
ALSA: hda - fix headset mic problem for Dell machines with alc236
ALSA: hda/realtek - Add support for ALC236/ALC3204
workqueue: replace pool->manager_arb mutex with a flag
sched: EAS: upmigrate misfit current task
sched: avoid pushing tasks to an offline CPU
sched: Extend active balance to accept 'push_task' argument
Revert "sched/core: Warn if ENERGY_AWARE is enabled but data is missing"
Revert "sched/core: fix have_sched_energy_data build warning"
FROMLIST: kbuild: clang: fix build failures with sparse check
Revert "Revert "UPSTREAM: efi/libstub/arm64: Set -fpie when building the EFI stub""
BACKPORT: efi/libstub: Unify command line param parsing
Conflicts:
drivers/usb/host/xhci-hub.c
kernel/sched/core.c
kernel/sched/fair.c
Change-Id: Ie36ce5de516f02b2d553043009d9afee64e7ff24
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
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Changes in 4.4.96
workqueue: replace pool->manager_arb mutex with a flag
ALSA: hda/realtek - Add support for ALC236/ALC3204
ALSA: hda - fix headset mic problem for Dell machines with alc236
ceph: unlock dangling spinlock in try_flush_caps()
usb: xhci: Handle error condition in xhci_stop_device()
spi: uapi: spidev: add missing ioctl header
fuse: fix READDIRPLUS skipping an entry
xen/gntdev: avoid out of bounds access in case of partial gntdev_mmap()
Input: elan_i2c - add ELAN0611 to the ACPI table
Input: gtco - fix potential out-of-bound access
assoc_array: Fix a buggy node-splitting case
scsi: zfcp: fix erp_action use-before-initialize in REC action trace
scsi: sg: Re-fix off by one in sg_fill_request_table()
can: sun4i: fix loopback mode
can: kvaser_usb: Correct return value in printout
can: kvaser_usb: Ignore CMD_FLUSH_QUEUE_REPLY messages
regulator: fan53555: fix I2C device ids
x86/microcode/intel: Disable late loading on model 79
ecryptfs: fix dereference of NULL user_key_payload
Revert "drm: bridge: add DT bindings for TI ths8135"
Linux 4.4.96
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit f66665c09ab489a11ca490d6a82df57cfc1bea3e upstream.
In eCryptfs, we failed to verify that the authentication token keys are
not revoked before dereferencing their payloads, which is problematic
because the payload of a revoked key is NULL. request_key() *does* skip
revoked keys, but there is still a window where the key can be revoked
before we acquire the key semaphore.
Fix it by updating ecryptfs_get_key_payload_data() to return
-EKEYREVOKED if the key payload is NULL. For completeness we check this
for "encrypted" keys as well as "user" keys, although encrypted keys
cannot be revoked currently.
Alternatively we could use key_validate(), but since we'll also need to
fix ecryptfs_get_key_payload_data() to validate the payload length, it
seems appropriate to just check the payload pointer.
Fixes: 237fead61998 ("[PATCH] ecryptfs: fs/Makefile and fs/Kconfig")
Reviewed-by: James Morris <james.l.morris@oracle.com>
Cc: Michael Halcrow <mhalcrow@google.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c6cdd51404b7ac12dd95173ddfc548c59ecf037f upstream.
Marios Titas running a Haskell program noticed a problem with fuse's
readdirplus: when it is interrupted by a signal, it skips one directory
entry.
The reason is that fuse erronously updates ctx->pos after a failed
dir_emit().
The issue originates from the patch adding readdirplus support.
Reported-by: Jakob Unterwurzacher <jakobunt@gmail.com>
Tested-by: Marios Titas <redneb@gmx.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Fixes: 0b05b18381ee ("fuse: implement NFS-like readdirplus support")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6c2838fbdedb9b72a81c931d49e56b229b6cdbca upstream.
sparse warns:
fs/ceph/caps.c:2042:9: warning: context imbalance in 'try_flush_caps' - wrong count at exit
We need to exit this function with the lock unlocked, but a couple of
cases leave it locked.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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With WARN_RATELIMIT lot of warning messages are
sometimes causing watchdog bite or spinlock lockup
(due to continuous logging). Thus change it to
pr_debug.
Change-Id: I2f0670bd20a39d289c105f9896e6fc509fb87de6
Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org>
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* refs/heads/tmp-ceee5bd
BACKPORT: arm64: relocatable: suppress R_AARCH64_ABS64 relocations in vmlinux
sched/core: fix have_sched_energy_data build warning
sched/core: Warn if ENERGY_AWARE is enabled but data is missing
sched: walt: Correct WALT window size initialization
FROMLIST: sched/fair: Use wake_q length as a hint for wake_wide
sched: WALT: account cumulative window demand
sched/fair: remove useless variable in find_best_target
sched/tune: access schedtune_initialized under CGROUP_SCHEDTUNE
sched/fair: consider task utilization in group_max_util()
sched/fair: consider task utilization in group_norm_util()
sched/fair: enforce EAS mode
sched/fair: ignore backup CPU when not valid
sched/fair: trace energy_diff for non boosted tasks
UPSTREAM: sched/fair: Sync task util before slow-path wakeup
UPSTREAM: sched/fair: Fix usage of find_idlest_group() when the local group is idlest
UPSTREAM: sched/fair: Fix usage of find_idlest_group() when no groups are allowed
BACKPORT: sched/fair: Fix find_idlest_group when local group is not allowed
UPSTREAM: sched/fair: Remove unnecessary comparison with -1
BACKPORT: sched/fair: Move select_task_rq_fair slow-path into its own function
UPSTREAM: sched/fair: Force balancing on nohz balance if local group has capacity
UPSTREAM: sched/core: Add missing update_rq_clock() call in set_user_nice()
UPSTREAM: sched/core: Add missing update_rq_clock() call for task_hot()
UPSTREAM: sched/core: Add missing update_rq_clock() in detach_task_cfs_rq()
UPSTREAM: sched/core: Add missing update_rq_clock() in post_init_entity_util_avg()
UPSTREAM: sched/core: Fix find_idlest_group() for fork
BACKPORT: sched/fair: Fix PELT integrity for new tasks
BACKPORT: sched/cgroup: Fix cpu_cgroup_fork() handling
UPSTREAM: sched/fair: Fix and optimize the fork() path
BACKPORT: sched/fair: Make it possible to account fair load avg consistently
cpufreq/sched: Consider max cpu capacity when choosing frequencies
Linux 4.4.95
FS-Cache: fix dereference of NULL user_key_payload
fscrypto: require write access to mount to set encryption policy
KEYS: Fix race between updating and finding a negative key
fscrypt: fix dereference of NULL user_key_payload
f2fs crypto: add missing locking for keyring_key access
f2fs crypto: replace some BUG_ON()'s with error checks
sched/autogroup: Fix autogroup_move_group() to never skip sched_move_task()
parisc: Fix double-word compare and exchange in LWS code on 32-bit kernels
parisc: Avoid trashing sr2 and sr3 in LWS code
pkcs7: Prevent NULL pointer dereference, since sinfo is not always set.
KEYS: don't let add_key() update an uninstantiated key
lib/digsig: fix dereference of NULL user_key_payload
KEYS: encrypted: fix dereference of NULL user_key_payload
rtlwifi: rtl8821ae: Fix connection lost problem
clockevents/drivers/cs5535: Improve resilience to spurious interrupts
bus: mbus: fix window size calculation for 4GB windows
brcmsmac: make some local variables 'static const' to reduce stack size
i2c: ismt: Separate I2C block read from SMBus block read
ALSA: hda: Remove superfluous '-' added by printk conversion
ALSA: seq: Enable 'use' locking in all configurations
drm/nouveau/mmu: flush tlbs before deleting page tables
drm/nouveau/bsp/g92: disable by default
can: esd_usb2: Fix can_dlc value for received RTR, frames
usb: musb: Check for host-mode using is_host_active() on reset interrupt
usb: musb: sunxi: Explicitly release USB PHY on exit
can: gs_usb: fix busy loop if no more TX context is available
ALSA: usb-audio: Add native DSD support for Pro-Ject Pre Box S2 Digital
usb: hub: Allow reset retry for USB2 devices on connect bounce
usb: quirks: add quirk for WORLDE MINI MIDI keyboard
usb: cdc_acm: Add quirk for Elatec TWN3
USB: serial: metro-usb: add MS7820 device id
USB: core: fix out-of-bounds access bug in usb_get_bos_descriptor()
USB: devio: Revert "USB: devio: Don't corrupt user memory"
ANDROID: binder: show high watermark of alloc->pages.
ANDROID: binder: Add thread->process_todo flag.
UPSTREAM: arm64: compat: Remove leftover variable declaration
ANDROID: sched/fair: Select correct capacity state for energy_diff
Revert "UPSTREAM: efi/libstub/arm64: Set -fpie when building the EFI stub"
cpufreq: schedutil: clamp util to CPU maximum capacity
FROMLIST: android: binder: Fix null ptr dereference in debug msg
FROMLIST: android: binder: Change binder_shrinker to static
cpufreq/sched: Use cpu max freq rather than policy max
Conflicts:
include/linux/sched.h
kernel/sched/core.c
kernel/sched/fair.c
Change-Id: I2751f851df741f00e797deaf2119872b3dced655
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
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Changes in 4.4.95
USB: devio: Revert "USB: devio: Don't corrupt user memory"
USB: core: fix out-of-bounds access bug in usb_get_bos_descriptor()
USB: serial: metro-usb: add MS7820 device id
usb: cdc_acm: Add quirk for Elatec TWN3
usb: quirks: add quirk for WORLDE MINI MIDI keyboard
usb: hub: Allow reset retry for USB2 devices on connect bounce
ALSA: usb-audio: Add native DSD support for Pro-Ject Pre Box S2 Digital
can: gs_usb: fix busy loop if no more TX context is available
usb: musb: sunxi: Explicitly release USB PHY on exit
usb: musb: Check for host-mode using is_host_active() on reset interrupt
can: esd_usb2: Fix can_dlc value for received RTR, frames
drm/nouveau/bsp/g92: disable by default
drm/nouveau/mmu: flush tlbs before deleting page tables
ALSA: seq: Enable 'use' locking in all configurations
ALSA: hda: Remove superfluous '-' added by printk conversion
i2c: ismt: Separate I2C block read from SMBus block read
brcmsmac: make some local variables 'static const' to reduce stack size
bus: mbus: fix window size calculation for 4GB windows
clockevents/drivers/cs5535: Improve resilience to spurious interrupts
rtlwifi: rtl8821ae: Fix connection lost problem
KEYS: encrypted: fix dereference of NULL user_key_payload
lib/digsig: fix dereference of NULL user_key_payload
KEYS: don't let add_key() update an uninstantiated key
pkcs7: Prevent NULL pointer dereference, since sinfo is not always set.
parisc: Avoid trashing sr2 and sr3 in LWS code
parisc: Fix double-word compare and exchange in LWS code on 32-bit kernels
sched/autogroup: Fix autogroup_move_group() to never skip sched_move_task()
f2fs crypto: replace some BUG_ON()'s with error checks
f2fs crypto: add missing locking for keyring_key access
fscrypt: fix dereference of NULL user_key_payload
KEYS: Fix race between updating and finding a negative key
fscrypto: require write access to mount to set encryption policy
FS-Cache: fix dereference of NULL user_key_payload
Linux 4.4.95
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit d124b2c53c7bee6569d2a2d0b18b4a1afde00134 upstream.
When the file /proc/fs/fscache/objects (available with
CONFIG_FSCACHE_OBJECT_LIST=y) is opened, we request a user key with
description "fscache:objlist", then access its payload. However, a
revoked key has a NULL payload, and we failed to check for this.
request_key() *does* skip revoked keys, but there is still a window
where the key can be revoked before we access its payload.
Fix it by checking for a NULL payload, treating it like a key which was
already revoked at the time it was requested.
Fixes: 4fbf4291aa15 ("FS-Cache: Allow the current state of all objects to be dumped")
Reviewed-by: James Morris <james.l.morris@oracle.com>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ba63f23d69a3a10e7e527a02702023da68ef8a6d upstream.
[Please apply to 4.4-stable. Note: this was already backported, but
only to ext4; it was missed that it should go to f2fs as well. This is
needed to make xfstest generic/395 pass on f2fs.]
Since setting an encryption policy requires writing metadata to the
filesystem, it should be guarded by mnt_want_write/mnt_drop_write.
Otherwise, a user could cause a write to a frozen or readonly
filesystem. This was handled correctly by f2fs but not by ext4. Make
fscrypt_process_policy() handle it rather than relying on the filesystem
to get it right.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Acked-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d60b5b7854c3d135b869f74fb93eaf63cbb1991a upstream.
When an fscrypt-encrypted file is opened, we request the file's master
key from the keyrings service as a logon key, then access its payload.
However, a revoked key has a NULL payload, and we failed to check for
this. request_key() *does* skip revoked keys, but there is still a
window where the key can be revoked before we acquire its semaphore.
Fix it by checking for a NULL payload, treating it like a key which was
already revoked at the time it was requested.
Fixes: 88bd6ccdcdd6 ("ext4 crypto: add encryption key management facilities")
Reviewed-by: James Morris <james.l.morris@oracle.com>
Cc: <stable@vger.kernel.org> [v4.1+]
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 745e8490b1e960ad79859dd8ba6a0b5a8d3d994e upstream.
This patch adopts:
ext4 crypto: add missing locking for keyring_key access
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 66aa3e1274fcf887e9d6501a68163270fc7718e7 upstream.
This patch adopts:
ext4 crypto: replace some BUG_ON()'s with error checks
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* refs/heads/tmp-89074de
Linux 4.4.94
Revert "tty: goldfish: Fix a parameter of a call to free_irq"
cpufreq: CPPC: add ACPI_PROCESSOR dependency
nfsd/callback: Cleanup callback cred on shutdown
target/iscsi: Fix unsolicited data seq_end_offset calculation
uapi: fix linux/mroute6.h userspace compilation errors
uapi: fix linux/rds.h userspace compilation errors
ceph: clean up unsafe d_parent accesses in build_dentry_path
i2c: at91: ensure state is restored after suspending
net: mvpp2: release reference to txq_cpu[] entry after unmapping
scsi: scsi_dh_emc: return success in clariion_std_inquiry()
slub: do not merge cache if slub_debug contains a never-merge flag
ocfs2/dlmglue: prepare tracking logic to avoid recursive cluster lock
crypto: xts - Add ECB dependency
net/mlx4_core: Fix VF overwrite of module param which disables DMFS on new probed PFs
sparc64: Migrate hvcons irq to panicked cpu
md/linear: shutup lockdep warnning
f2fs: do not wait for writeback in write_begin
Btrfs: send, fix failure to rename top level inode due to name collision
iio: adc: xilinx: Fix error handling
netfilter: nf_ct_expect: Change __nf_ct_expect_check() return value.
net/mlx4_en: fix overflow in mlx4_en_init_timestamp()
mac80211: fix power saving clients handling in iwlwifi
mac80211_hwsim: check HWSIM_ATTR_RADIO_NAME length
irqchip/crossbar: Fix incorrect type of local variables
watchdog: kempld: fix gcc-4.3 build
locking/lockdep: Add nest_lock integrity test
Revert "bsg-lib: don't free job in bsg_prepare_job"
tipc: use only positive error codes in messages
net: Set sk_prot_creator when cloning sockets to the right proto
packet: only test po->has_vnet_hdr once in packet_snd
packet: in packet_do_bind, test fanout with bind_lock held
tun: bail out from tun_get_user() if the skb is empty
l2tp: fix race condition in l2tp_tunnel_delete
l2tp: Avoid schedule while atomic in exit_net
vti: fix use after free in vti_tunnel_xmit/vti6_tnl_xmit
isdn/i4l: fetch the ppp_write buffer in one shot
bpf: one perf event close won't free bpf program attached by another perf event
packet: hold bind lock when rebinding to fanout hook
net: emac: Fix napi poll list corruption
ip6_gre: skb_push ipv6hdr before packing the header in ip6gre_header
udpv6: Fix the checksum computation when HW checksum does not apply
bpf/verifier: reject BPF_ALU64|BPF_END
sctp: potential read out of bounds in sctp_ulpevent_type_enabled()
MIPS: Fix minimum alignment requirement of IRQ stack
drm/dp/mst: save vcpi with payloads
percpu: make this_cpu_generic_read() atomic w.r.t. interrupts
trace: sched: Fix util_avg_walt in sched_load_avg_cpu trace
sched/fair: remove erroneous RCU_LOCKDEP_WARN from start_cpu()
sched: EAS/WALT: finish accounting prior to task_tick
cpufreq: sched: update capacity request upon tick always
sched/fair: prevent meaningless active migration
sched: walt: Leverage existing helper APIs to apply invariance
Conflicts:
kernel/sched/core.c
kernel/sched/fair.c
kernel/sched/sched.h
Change-Id: I0effac90fb6a4db559479bfa2fefa31c41200ce9
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
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Changes in 4.4.94
percpu: make this_cpu_generic_read() atomic w.r.t. interrupts
drm/dp/mst: save vcpi with payloads
MIPS: Fix minimum alignment requirement of IRQ stack
sctp: potential read out of bounds in sctp_ulpevent_type_enabled()
bpf/verifier: reject BPF_ALU64|BPF_END
udpv6: Fix the checksum computation when HW checksum does not apply
ip6_gre: skb_push ipv6hdr before packing the header in ip6gre_header
net: emac: Fix napi poll list corruption
packet: hold bind lock when rebinding to fanout hook
bpf: one perf event close won't free bpf program attached by another perf event
isdn/i4l: fetch the ppp_write buffer in one shot
vti: fix use after free in vti_tunnel_xmit/vti6_tnl_xmit
l2tp: Avoid schedule while atomic in exit_net
l2tp: fix race condition in l2tp_tunnel_delete
tun: bail out from tun_get_user() if the skb is empty
packet: in packet_do_bind, test fanout with bind_lock held
packet: only test po->has_vnet_hdr once in packet_snd
net: Set sk_prot_creator when cloning sockets to the right proto
tipc: use only positive error codes in messages
Revert "bsg-lib: don't free job in bsg_prepare_job"
locking/lockdep: Add nest_lock integrity test
watchdog: kempld: fix gcc-4.3 build
irqchip/crossbar: Fix incorrect type of local variables
mac80211_hwsim: check HWSIM_ATTR_RADIO_NAME length
mac80211: fix power saving clients handling in iwlwifi
net/mlx4_en: fix overflow in mlx4_en_init_timestamp()
netfilter: nf_ct_expect: Change __nf_ct_expect_check() return value.
iio: adc: xilinx: Fix error handling
Btrfs: send, fix failure to rename top level inode due to name collision
f2fs: do not wait for writeback in write_begin
md/linear: shutup lockdep warnning
sparc64: Migrate hvcons irq to panicked cpu
net/mlx4_core: Fix VF overwrite of module param which disables DMFS on new probed PFs
crypto: xts - Add ECB dependency
ocfs2/dlmglue: prepare tracking logic to avoid recursive cluster lock
slub: do not merge cache if slub_debug contains a never-merge flag
scsi: scsi_dh_emc: return success in clariion_std_inquiry()
net: mvpp2: release reference to txq_cpu[] entry after unmapping
i2c: at91: ensure state is restored after suspending
ceph: clean up unsafe d_parent accesses in build_dentry_path
uapi: fix linux/rds.h userspace compilation errors
uapi: fix linux/mroute6.h userspace compilation errors
target/iscsi: Fix unsolicited data seq_end_offset calculation
nfsd/callback: Cleanup callback cred on shutdown
cpufreq: CPPC: add ACPI_PROCESSOR dependency
Revert "tty: goldfish: Fix a parameter of a call to free_irq"
Linux 4.4.94
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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[ Upstream commit f7d1ddbe7648af7460d23688c8c131342eb43b3a ]
The rpccred gotten from rpc_lookup_machine_cred() should be put when
state is shutdown.
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@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 c6b0b656ca24ede6657abb4a2cd910fa9c1879ba ]
While we hold a reference to the dentry when build_dentry_path is
called, we could end up racing with a rename that changes d_parent.
Handle that situation correctly, by using the rcu_read_lock to
ensure that the parent dentry and inode stick around long enough
to safely check ceph_snap and ceph_ino.
Link: http://tracker.ceph.com/issues/18148
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Yan, Zheng <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.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 439a36b8ef38657f765b80b775e2885338d72451 ]
We are in the situation that we have to avoid recursive cluster locking,
but there is no way to check if a cluster lock has been taken by a precess
already.
Mostly, we can avoid recursive locking by writing code carefully.
However, we found that it's very hard to handle the routines that are
invoked directly by vfs code. For instance:
const struct inode_operations ocfs2_file_iops = {
.permission = ocfs2_permission,
.get_acl = ocfs2_iop_get_acl,
.set_acl = ocfs2_iop_set_acl,
};
Both ocfs2_permission() and ocfs2_iop_get_acl() call ocfs2_inode_lock(PR):
do_sys_open
may_open
inode_permission
ocfs2_permission
ocfs2_inode_lock() <=== first time
generic_permission
get_acl
ocfs2_iop_get_acl
ocfs2_inode_lock() <=== recursive one
A deadlock will occur if a remote EX request comes in between two of
ocfs2_inode_lock(). Briefly describe how the deadlock is formed:
On one hand, OCFS2_LOCK_BLOCKED flag of this lockres is set in
BAST(ocfs2_generic_handle_bast) when downconvert is started on behalf of
the remote EX lock request. Another hand, the recursive cluster lock
(the second one) will be blocked in in __ocfs2_cluster_lock() because of
OCFS2_LOCK_BLOCKED. But, the downconvert never complete, why? because
there is no chance for the first cluster lock on this node to be
unlocked - we block ourselves in the code path.
The idea to fix this issue is mostly taken from gfs2 code.
1. introduce a new field: struct ocfs2_lock_res.l_holders, to keep track
of the processes' pid who has taken the cluster lock of this lock
resource;
2. introduce a new flag for ocfs2_inode_lock_full:
OCFS2_META_LOCK_GETBH; it means just getting back disk inode bh for
us if we've got cluster lock.
3. export a helper: ocfs2_is_locked_by_me() is used to check if we have
got the cluster lock in the upper code path.
The tracking logic should be used by some of the ocfs2 vfs's callbacks,
to solve the recursive locking issue cuased by the fact that vfs
routines can call into each other.
The performance penalty of processing the holder list should only be
seen at a few cases where the tracking logic is used, such as get/set
acl.
You may ask what if the first time we got a PR lock, and the second time
we want a EX lock? fortunately, this case never happens in the real
world, as far as I can see, including permission check,
(get|set)_(acl|attr), and the gfs2 code also do so.
[sfr@canb.auug.org.au remove some inlines]
Link: http://lkml.kernel.org/r/20170117100948.11657-2-zren@suse.com
Signed-off-by: Eric Ren <zren@suse.com>
Reviewed-by: Junxiao Bi <junxiao.bi@oracle.com>
Reviewed-by: Joseph Qi <jiangqi903@gmail.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Mark Fasheh <mfasheh@versity.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.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 86d54795c94532075d862aa0a79f0c981dab4bdd ]
Otherwise we can get livelock like below.
[79880.428136] dbench D 0 18405 18404 0x00000000
[79880.428139] Call Trace:
[79880.428142] __schedule+0x219/0x6b0
[79880.428144] schedule+0x36/0x80
[79880.428147] schedule_timeout+0x243/0x2e0
[79880.428152] ? update_sd_lb_stats+0x16b/0x5f0
[79880.428155] ? ktime_get+0x3c/0xb0
[79880.428157] io_schedule_timeout+0xa6/0x110
[79880.428161] __lock_page+0xf7/0x130
[79880.428164] ? unlock_page+0x30/0x30
[79880.428167] pagecache_get_page+0x16b/0x250
[79880.428171] grab_cache_page_write_begin+0x20/0x40
[79880.428182] f2fs_write_begin+0xa2/0xdb0 [f2fs]
[79880.428192] ? f2fs_mark_inode_dirty_sync+0x16/0x30 [f2fs]
[79880.428197] ? kmem_cache_free+0x79/0x200
[79880.428203] ? __mark_inode_dirty+0x17f/0x360
[79880.428206] generic_perform_write+0xbb/0x190
[79880.428213] ? file_update_time+0xa4/0xf0
[79880.428217] __generic_file_write_iter+0x19b/0x1e0
[79880.428226] f2fs_file_write_iter+0x9c/0x180 [f2fs]
[79880.428231] __vfs_write+0xc5/0x140
[79880.428235] vfs_write+0xb2/0x1b0
[79880.428238] SyS_write+0x46/0xa0
[79880.428242] entry_SYSCALL_64_fastpath+0x1e/0xad
Fixes: cae96a5c8ab6 ("f2fs: check io submission more precisely")
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.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 4dd9920d991745c4a16f53a8f615f706fbe4b3f7 ]
Under certain situations, an incremental send operation can fail due to a
premature attempt to create a new top level inode (a direct child of the
subvolume/snapshot root) whose name collides with another inode that was
removed from the send snapshot.
Consider the following example scenario.
Parent snapshot:
. (ino 256, gen 8)
|---- a1/ (ino 257, gen 9)
|---- a2/ (ino 258, gen 9)
Send snapshot:
. (ino 256, gen 3)
|---- a2/ (ino 257, gen 7)
In this scenario, when receiving the incremental send stream, the btrfs
receive command fails like this (ran in verbose mode, -vv argument):
rmdir a1
mkfile o257-7-0
rename o257-7-0 -> a2
ERROR: rename o257-7-0 -> a2 failed: Is a directory
What happens when computing the incremental send stream is:
1) An operation to remove the directory with inode number 257 and
generation 9 is issued.
2) An operation to create the inode with number 257 and generation 7 is
issued. This creates the inode with an orphanized name of "o257-7-0".
3) An operation rename the new inode 257 to its final name, "a2", is
issued. This is incorrect because inode 258, which has the same name
and it's a child of the same parent (root inode 256), was not yet
processed and therefore no rmdir operation for it was yet issued.
The rename operation is issued because we fail to detect that the
name of the new inode 257 collides with inode 258, because their
parent, a subvolume/snapshot root (inode 256) has a different
generation in both snapshots.
So fix this by ignoring the generation value of a parent directory that
matches a root inode (number 256) when we are checking if the name of the
inode currently being processed collides with the name of some other
inode that was not yet processed.
We can achieve this scenario of different inodes with the same number but
different generation values either by mounting a filesystem with the inode
cache option (-o inode_cache) or by creating and sending snapshots across
different filesystems, like in the following example:
$ mkfs.btrfs -f /dev/sdb
$ mount /dev/sdb /mnt
$ mkdir /mnt/a1
$ mkdir /mnt/a2
$ btrfs subvolume snapshot -r /mnt /mnt/snap1
$ btrfs send /mnt/snap1 -f /tmp/1.snap
$ umount /mnt
$ mkfs.btrfs -f /dev/sdc
$ mount /dev/sdc /mnt
$ touch /mnt/a2
$ btrfs subvolume snapshot -r /mnt /mnt/snap2
$ btrfs receive /mnt -f /tmp/1.snap
# Take note that once the filesystem is created, its current
# generation has value 7 so the inode from the second snapshot has
# a generation value of 7. And after receiving the first snapshot
# the filesystem is at a generation value of 10, because the call to
# create the second snapshot bumps the generation to 8 (the snapshot
# creation ioctl does a transaction commit), the receive command calls
# the snapshot creation ioctl to create the first snapshot, which bumps
# the filesystem's generation to 9, and finally when the receive
# operation finishes it calls an ioctl to transition the first snapshot
# (snap1) from RW mode to RO mode, which does another transaction commit
# and bumps the filesystem's generation to 10.
$ rm -f /tmp/1.snap
$ btrfs send /mnt/snap1 -f /tmp/1.snap
$ btrfs send -p /mnt/snap1 /mnt/snap2 -f /tmp/2.snap
$ umount /mnt
$ mkfs.btrfs -f /dev/sdd
$ mount /dev/sdd /mnt
$ btrfs receive /mnt /tmp/1.snap
# Receive of snapshot snap2 used to fail.
$ btrfs receive /mnt /tmp/2.snap
Signed-off-by: Robbie Ko <robbieko@synology.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
[Rewrote changelog to be more precise and clear]
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When block device is closed, we call inode_detach_wb() in __blkdev_put()
which sets inode->i_wb to NULL. That is contrary to expectations that
inode->i_wb stays valid once set during the whole inode's lifetime and
leads to oops in wb_get() in locked_inode_to_wb_and_lock_list() because
inode_to_wb() returned NULL.
The reason why we called inode_detach_wb() is not valid anymore though.
BDI is guaranteed to stay along until we call bdi_put() from
bdev_evict_inode() so we can postpone calling inode_detach_wb() to that
moment.
Also add a warning to catch if someone uses inode_detach_wb() in a
dangerous way.
Reported-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
Change-Id: I119244bd6cc425e9b18dd3189f3c9f45dc0f6f77
Git-repo:
git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
Git-commit: f759741d9d913eb57784a94b9bca78b376fc26a9
Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org>
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When disk->fops->open() in __blkdev_get() returns -ERESTARTSYS, we
restart the process of opening the block device. However we forget to
switch bdev->bd_bdi back to noop_backing_dev_info and as a result bdev
inode will be pointing to a stale bdi. Fix the problem by setting
bdev->bd_bdi later when __blkdev_get() is already guaranteed to succeed.
Acked-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
Change-Id: I6736ed1aba8732d3146284311c718f48b9c06578
Git-repo:
git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
Git-commit: 03e262798884b0a5f948b17433afd80606cb3497
Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org>
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* refs/heads/tmp-d6fbbe5
Linux 4.4.93
x86/alternatives: Fix alt_max_short macro to really be a max()
USB: serial: console: fix use-after-free after failed setup
USB: serial: qcserial: add Dell DW5818, DW5819
USB: serial: option: add support for TP-Link LTE module
USB: serial: cp210x: add support for ELV TFD500
USB: serial: ftdi_sio: add id for Cypress WICED dev board
fix unbalanced page refcounting in bio_map_user_iov
direct-io: Prevent NULL pointer access in submit_page_section
usb: gadget: composite: Fix use-after-free in usb_composite_overwrite_options
ALSA: line6: Fix leftover URB at error-path during probe
ALSA: caiaq: Fix stray URB at probe error path
ALSA: seq: Fix copy_from_user() call inside lock
ALSA: seq: Fix use-after-free at creating a port
ALSA: usb-audio: Kill stray URB at exiting
iommu/amd: Finish TLB flush in amd_iommu_unmap()
usb: renesas_usbhs: Fix DMAC sequence for receiving zero-length packet
KVM: nVMX: fix guest CR4 loading when emulating L2 to L1 exit
crypto: shash - Fix zero-length shash ahash digest crash
HID: usbhid: fix out-of-bounds bug
dmaengine: edma: Align the memcpy acnt array size with the transfer
MIPS: math-emu: Remove pr_err() calls from fpu_emu()
USB: dummy-hcd: Fix deadlock caused by disconnect detection
rcu: Allow for page faults in NMI handlers
iwlwifi: mvm: use IWL_HCMD_NOCOPY for MCAST_FILTER_CMD
nl80211: Define policy for packet pattern attributes
CIFS: Reconnect expired SMB sessions
ext4: in ext4_seek_{hole,data}, return -ENXIO for negative offsets
brcmfmac: add length check in brcmf_cfg80211_escan_handler()
ANDROID: HACK: arm64: use -mno-implicit-float instead of -mgeneral-regs-only
sched: Update task->on_rq when tasks are moving between runqueues
FROMLIST: f2fs: expose some sectors to user in inline data or dentry case
crypto: Work around deallocated stack frame reference gcc bug on sparc.
UPSTREAM: f2fs: fix potential panic during fstrim
ANDROID: fscrypt: remove unnecessary fscrypto.h
ANDROID: binder: fix node sched policy calculation
ANDROID: Kbuild, LLVMLinux: allow overriding clang target triple
CHROMIUM: arm64: Disable asm-operand-width warning for clang
CHROMIUM: kbuild: clang: Disable the 'duplicate-decl-specifier' warning
UPSTREAM: x86/build: Use cc-option to validate stack alignment parameter
UPSTREAM: x86/build: Fix stack alignment for CLang
UPSTREAM: efi/libstub/arm64: Set -fpie when building the EFI stub
BACKPORT: efi/libstub/arm64: Force 'hidden' visibility for section markers
UPSTREAM: compiler, clang: always inline when CONFIG_OPTIMIZE_INLINING is disabled
UPSTREAM: x86/boot: #undef memcpy() et al in string.c
UPSTREAM: crypto: arm64/sha - avoid non-standard inline asm tricks
UPSTREAM: kbuild: clang: Disable 'address-of-packed-member' warning
UPSTREAM: x86/build: Specify stack alignment for clang
UPSTREAM: x86/build: Use __cc-option for boot code compiler options
BACKPORT: kbuild: Add __cc-option macro
UPSTREAM: x86/hweight: Don't clobber %rdi
BACKPORT: x86/hweight: Get rid of the special calling convention
BACKPORT: x86/mm/kaslr: Use the _ASM_MUL macro for multiplication to work around Clang incompatibility
UPSTREAM: crypto, x86: aesni - fix token pasting for clang
UPSTREAM: x86/kbuild: Use cc-option to enable -falign-{jumps/loops}
UPSTREAM: compiler, clang: properly override 'inline' for clang
UPSTREAM: compiler, clang: suppress warning for unused static inline functions
UPSTREAM: Kbuild: provide a __UNIQUE_ID for clang
UPSTREAM: modules: mark __inittest/__exittest as __maybe_unused
BACKPORT: kbuild: Add support to generate LLVM assembly files
UPSTREAM: kbuild: use -Oz instead of -Os when using clang
BACKPORT: kbuild, LLVMLinux: Add -Werror to cc-option to support clang
UPSTREAM: kbuild: drop -Wno-unknown-warning-option from clang options
UPSTREAM: kbuild: fix asm-offset generation to work with clang
UPSTREAM: kbuild: consolidate redundant sed script ASM offset generation
UPSTREAM: kbuild: Consolidate header generation from ASM offset information
UPSTREAM: kbuild: clang: add -no-integrated-as to KBUILD_[AC]FLAGS
UPSTREAM: kbuild: Add better clang cross build support
Conflicts:
arch/x86/lib/Makefile
net/wireless/nl80211.c
Change-Id: I76032e8d1206903bc948b9ed918e7ddee7e746c7
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
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Changes in 4.4.93
brcmfmac: add length check in brcmf_cfg80211_escan_handler()
ext4: in ext4_seek_{hole,data}, return -ENXIO for negative offsets
CIFS: Reconnect expired SMB sessions
nl80211: Define policy for packet pattern attributes
iwlwifi: mvm: use IWL_HCMD_NOCOPY for MCAST_FILTER_CMD
rcu: Allow for page faults in NMI handlers
USB: dummy-hcd: Fix deadlock caused by disconnect detection
MIPS: math-emu: Remove pr_err() calls from fpu_emu()
dmaengine: edma: Align the memcpy acnt array size with the transfer
HID: usbhid: fix out-of-bounds bug
crypto: shash - Fix zero-length shash ahash digest crash
KVM: nVMX: fix guest CR4 loading when emulating L2 to L1 exit
usb: renesas_usbhs: Fix DMAC sequence for receiving zero-length packet
iommu/amd: Finish TLB flush in amd_iommu_unmap()
ALSA: usb-audio: Kill stray URB at exiting
ALSA: seq: Fix use-after-free at creating a port
ALSA: seq: Fix copy_from_user() call inside lock
ALSA: caiaq: Fix stray URB at probe error path
ALSA: line6: Fix leftover URB at error-path during probe
usb: gadget: composite: Fix use-after-free in usb_composite_overwrite_options
direct-io: Prevent NULL pointer access in submit_page_section
fix unbalanced page refcounting in bio_map_user_iov
USB: serial: ftdi_sio: add id for Cypress WICED dev board
USB: serial: cp210x: add support for ELV TFD500
USB: serial: option: add support for TP-Link LTE module
USB: serial: qcserial: add Dell DW5818, DW5819
USB: serial: console: fix use-after-free after failed setup
x86/alternatives: Fix alt_max_short macro to really be a max()
Linux 4.4.93
Change-Id: I731bf1eef5aca9728dddd23bfbe407f0c6ff2d84
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
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commit 899f0429c7d3eed886406cd72182bee3b96aa1f9 upstream.
In the code added to function submit_page_section by commit b1058b981,
sdio->bio can currently be NULL when calling dio_bio_submit. This then
leads to a NULL pointer access in dio_bio_submit, so check for a NULL
bio in submit_page_section before trying to submit it instead.
Fixes xfstest generic/250 on gfs2.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 511c54a2f69195b28afb9dd119f03787b1625bb4 upstream.
According to the MS-SMB2 spec (3.2.5.1.6) once the client receives
STATUS_NETWORK_SESSION_EXPIRED error code from a server it should
reconnect the current SMB session. Currently the client doesn't do
that. This can result in subsequent client requests failing by
the server. The patch adds an additional logic to the demultiplex
thread to identify expired sessions and reconnect them.
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 1bd8d6cd3e413d64e543ec3e69ff43e75a1cf1ea upstream.
In the ext4 implementations of SEEK_HOLE and SEEK_DATA, make sure we
return -ENXIO for negative offsets instead of banging around inside
the extent code and returning -EFSCORRUPTED.
Reported-by: Mateusz S <muttdini@gmail.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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(from https://patchwork.kernel.org/patch/10005409/)
If there's some data written through inline data or dentry, we need to shouw
st_blocks. This fixes reporting zero blocks even though there is small written
data.
Bug: 67651285
Bug: 67600404
Change-Id: I9ad5cb137eb627b9fd22740d2ab98e0221433c95
Cc: stable@vger.kernel.org
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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commit d41519a69b35b10af7fda867fb9100df24fdf403 upstream.
On sparc, if we have an alloca() like situation, as is the case with
SHASH_DESC_ON_STACK(), we can end up referencing deallocated stack
memory. The result can be that the value is clobbered if a trap
or interrupt arrives at just the right instruction.
It only occurs if the function ends returning a value from that
alloca() area and that value can be placed into the return value
register using a single instruction.
For example, in lib/libcrc32c.c:crc32c() we end up with a return
sequence like:
return %i7+8
lduw [%o5+16], %o0 ! MEM[(u32 *)__shash_desc.1_10 + 16B],
%o5 holds the base of the on-stack area allocated for the shash
descriptor. But the return released the stack frame and the
register window.
So if an intererupt arrives between 'return' and 'lduw', then
the value read at %o5+16 can be corrupted.
Add a data compiler barrier to work around this problem. This is
exactly what the gcc fix will end up doing as well, and it absolutely
should not change the code generated for other cpus (unless gcc
on them has the same bug :-)
With crucial insight from Eric Sandeen.
Reported-by: Anatoly Pugachev <matorola@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As Ju Hyung Park reported:
"When 'fstrim' is called for manual trim, a BUG() can be triggered
randomly with this patch.
I'm seeing this issue on both x86 Desktop and arm64 Android phone.
On x86 Desktop, this was caused during Ubuntu boot-up. I have a
cronjob installed which calls 'fstrim -v /' during boot. On arm64
Android, this was caused during GC looping with 1ms gc_min_sleep_time
& gc_max_sleep_time."
Root cause of this issue is that f2fs_wait_discard_bios can only be
used by f2fs_put_super, because during put_super there must be no
other referrers, so it can ignore discard entry's reference count
when removing the entry, otherwise in other caller we will hit bug_on
in __remove_discard_cmd as there may be other issuer added reference
count in discard entry.
Thread A Thread B
- issue_discard_thread
- f2fs_ioc_fitrim
- f2fs_trim_fs
- f2fs_wait_discard_bios
- __issue_discard_cmd
- __submit_discard_cmd
- __wait_discard_cmd
- dc->ref++
- __wait_one_discard_bio
- __wait_discard_cmd
- __remove_discard_cmd
- f2fs_bug_on(sbi, dc->ref)
Change-Id: I8fb5c8215e6222ae853e7781218d5084e1f11166
Fixes: 969d1b180d987c2be02de890d0fff0f66a0e80de
Reported-by: Ju Hyung Park <qkrwngud825@gmail.com>
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
(cherry picked from commit 638164a2718f337ea224b747cf5977ef143166a4)
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* refs/heads/tmp-73a2b70
Linux 4.4.92
ext4: don't allow encrypted operations without keys
ext4: Don't clear SGID when inheriting ACLs
ext4: fix data corruption for mmap writes
sched/cpuset/pm: Fix cpuset vs. suspend-resume bugs
nvme: protect against simultaneous shutdown invocations
drm/i915/bios: ignore HDMI on port A
brcmfmac: setup passive scan if requested by user-space
uwb: ensure that endpoint is interrupt
uwb: properly check kthread_run return value
iio: adc: mcp320x: Fix oops on module unload
iio: adc: mcp320x: Fix readout of negative voltages
iio: ad7793: Fix the serial interface reset
iio: core: Return error for failed read_reg
staging: iio: ad7192: Fix - use the dedicated reset function avoiding dma from stack.
iio: ad_sigma_delta: Implement a dedicated reset function
iio: adc: twl4030: Disable the vusb3v1 rugulator in the error handling path of 'twl4030_madc_probe()'
iio: adc: twl4030: Fix an error handling path in 'twl4030_madc_probe()'
xhci: fix finding correct bus_state structure for USB 3.1 hosts
USB: fix out-of-bounds in usb_set_configuration
usb: Increase quirk delay for USB devices
USB: core: harden cdc_parse_cdc_header
USB: uas: fix bug in handling of alternate settings
scsi: sd: Do not override max_sectors_kb sysfs setting
iwlwifi: add workaround to disable wide channels in 5GHz
HID: i2c-hid: allocate hid buffers for real worst case
ftrace: Fix kmemleak in unregister_ftrace_graph
stm class: Fix a use-after-free
Drivers: hv: fcopy: restore correct transfer length
driver core: platform: Don't read past the end of "driver_override" buffer
ALSA: usx2y: Suppress kernel warning at page allocation failures
ALSA: compress: Remove unused variable
lsm: fix smack_inode_removexattr and xattr_getsecurity memleak
USB: g_mass_storage: Fix deadlock when driver is unbound
usb: gadget: mass_storage: set msg_registered after msg registered
USB: devio: Don't corrupt user memory
USB: dummy-hcd: Fix erroneous synchronization change
USB: dummy-hcd: fix infinite-loop resubmission bug
USB: dummy-hcd: fix connection failures (wrong speed)
usb: pci-quirks.c: Corrected timeout values used in handshake
ALSA: usb-audio: Check out-of-bounds access by corrupted buffer descriptor
usb: renesas_usbhs: fix usbhsf_fifo_clear() for RX direction
usb: renesas_usbhs: fix the BCLR setting condition for non-DCP pipe
usb-storage: unusual_devs entry to fix write-access regression for Seagate external drives
usb: gadget: udc: atmel: set vbus irqflags explicitly
USB: gadgetfs: fix copy_to_user while holding spinlock
USB: gadgetfs: Fix crash caused by inadequate synchronization
usb: gadget: inode.c: fix unbalanced spin_lock in ep0_write
ANDROID: binder: init desired_prio.sched_policy before use it
BACKPORT: net: xfrm: support setting an output mark.
UPSTREAM: xfrm: Only add l3mdev oif to dst lookups
UPSTREAM: net: l3mdev: Add master device lookup by index
Linux 4.4.91
ttpci: address stringop overflow warning
ALSA: au88x0: avoid theoretical uninitialized access
ARM: remove duplicate 'const' annotations'
IB/qib: fix false-postive maybe-uninitialized warning
drivers: firmware: psci: drop duplicate const from psci_of_match
libata: transport: Remove circular dependency at free time
xfs: remove kmem_zalloc_greedy
i2c: meson: fix wrong variable usage in meson_i2c_put_data
md/raid10: submit bio directly to replacement disk
rds: ib: add error handle
iommu/io-pgtable-arm: Check for leaf entry before dereferencing it
parisc: perf: Fix potential NULL pointer dereference
netfilter: nfnl_cthelper: fix incorrect helper->expect_class_max
exynos-gsc: Do not swap cb/cr for semi planar formats
MIPS: IRQ Stack: Unwind IRQ stack onto task stack
netfilter: invoke synchronize_rcu after set the _hook_ to NULL
bridge: netlink: register netdevice before executing changelink
mmc: sdio: fix alignment issue in struct sdio_func
usb: plusb: Add support for PL-27A1
team: fix memory leaks
net/packet: check length in getsockopt() called with PACKET_HDRLEN
net: core: Prevent from dereferencing null pointer when releasing SKB
MIPS: Lantiq: Fix another request_mem_region() return code check
ASoC: dapm: fix some pointer error handling
usb: chipidea: vbus event may exist before starting gadget
audit: log 32-bit socketcalls
ASoC: dapm: handle probe deferrals
partitions/efi: Fix integer overflow in GPT size calculation
USB: serial: mos7840: fix control-message error handling
USB: serial: mos7720: fix control-message error handling
drm/amdkfd: fix improper return value on error
IB/ipoib: Replace list_del of the neigh->list with list_del_init
IB/ipoib: rtnl_unlock can not come after free_netdev
IB/ipoib: Fix deadlock over vlan_mutex
tty: goldfish: Fix a parameter of a call to free_irq
ARM: 8635/1: nommu: allow enabling REMAP_VECTORS_TO_RAM
iio: adc: hx711: Add DT binding for avia,hx711
iio: adc: axp288: Drop bogus AXP288_ADC_TS_PIN_CTRL register modifications
hwmon: (gl520sm) Fix overflows and crash seen when writing into limit attributes
sh_eth: use correct name for ECMR_MPDE bit
extcon: axp288: Use vbus-valid instead of -present to determine cable presence
igb: re-assign hw address pointer on reset after PCI error
MIPS: ralink: Fix incorrect assignment on ralink_soc
MIPS: Ensure bss section ends on a long-aligned address
ARM: dts: r8a7790: Use R-Car Gen 2 fallback binding for msiof nodes
RDS: RDMA: Fix the composite message user notification
GFS2: Fix reference to ERR_PTR in gfs2_glock_iter_next
drm: bridge: add DT bindings for TI ths8135
drm_fourcc: Fix DRM_FORMAT_MOD_LINEAR #define
FROMLIST: tracing: Add support for preempt and irq enable/disable events
FROMLIST: tracing: Prepare to add preempt and irq trace events
ANDROID: binder: fix transaction leak.
ANDROID: binder: Add tracing for binder priority inheritance.
Linux 4.4.90
fix xen_swiotlb_dma_mmap prototype
swiotlb-xen: implement xen_swiotlb_dma_mmap callback
video: fbdev: aty: do not leak uninitialized padding in clk to userspace
KVM: VMX: use cmpxchg64
ARM: pxa: fix the number of DMA requestor lines
ARM: pxa: add the number of DMA requestor lines
dmaengine: mmp-pdma: add number of requestors
cxl: Fix driver use count
KVM: VMX: remove WARN_ON_ONCE in kvm_vcpu_trigger_posted_interrupt
KVM: VMX: do not change SN bit in vmx_update_pi_irte()
timer/sysclt: Restrict timer migration sysctl values to 0 and 1
gfs2: Fix debugfs glocks dump
x86/fpu: Don't let userspace set bogus xcomp_bv
btrfs: prevent to set invalid default subvolid
btrfs: propagate error to btrfs_cmp_data_prepare caller
btrfs: fix NULL pointer dereference from free_reloc_roots()
PCI: Fix race condition with driver_override
kvm: nVMX: Don't allow L2 to access the hardware CR8
KVM: VMX: Do not BUG() on out-of-bounds guest IRQ
arm64: fault: Route pte translation faults via do_translation_fault
arm64: Make sure SPsel is always set
seccomp: fix the usage of get/put_seccomp_filter() in seccomp_get_filter()
bsg-lib: don't free job in bsg_prepare_job
nl80211: check for the required netlink attributes presence
vfs: Return -ENXIO for negative SEEK_HOLE / SEEK_DATA offsets
SMB3: Don't ignore O_SYNC/O_DSYNC and O_DIRECT flags
SMB: Validate negotiate (to protect against downgrade) even if signing off
Fix SMB3.1.1 guest authentication to Samba
powerpc/pseries: Fix parent_dn reference leak in add_dt_node()
KEYS: prevent KEYCTL_READ on negative key
KEYS: prevent creating a different user's keyrings
KEYS: fix writing past end of user-supplied buffer in keyring_read()
crypto: talitos - fix sha224
crypto: talitos - Don't provide setkey for non hmac hashing algs.
scsi: scsi_transport_iscsi: fix the issue that iscsi_if_rx doesn't parse nlmsg properly
md/raid5: preserve STRIPE_ON_UNPLUG_LIST in break_stripe_batch_list
md/raid5: fix a race condition in stripe batch
tracing: Erase irqsoff trace with empty write
tracing: Fix trace_pipe behavior for instance traces
KVM: PPC: Book3S: Fix race and leak in kvm_vm_ioctl_create_spapr_tce()
mac80211: flush hw_roc_start work before cancelling the ROC
cifs: release auth_key.response for reconnect.
f2fs: catch up to v4.14-rc1
UPSTREAM: cpufreq: schedutil: use now as reference when aggregating shared policy requests
ANDROID: add script to fetch android kernel config fragments
f2fs: reorganize stat information
f2fs: clean up flush/discard command namings
f2fs: check in-memory sit version bitmap
f2fs: check in-memory nat version bitmap
f2fs: check in-memory block bitmap
f2fs: introduce FI_ATOMIC_COMMIT
f2fs: clean up with list_{first, last}_entry
f2fs: return fs_trim if there is no candidate
f2fs: avoid needless checkpoint in f2fs_trim_fs
f2fs: relax async discard commands more
f2fs: drop exist_data for inline_data when truncated to 0
f2fs: don't allow encrypted operations without keys
f2fs: show the max number of atomic operations
f2fs: get io size bit from mount option
f2fs: support IO alignment for DATA and NODE writes
f2fs: add submit_bio tracepoint
f2fs: reassign new segment for mode=lfs
f2fs: fix a missing discard prefree segments
f2fs: use rb_entry_safe
f2fs: add a case of no need to read a page in write begin
f2fs: fix a problem of using memory after free
f2fs: remove unneeded condition
f2fs: don't cache nat entry if out of memory
f2fs: remove unused values in recover_fsync_data
f2fs: support async discard based on v4.9
f2fs: resolve op and op_flags confilcts
f2fs: remove wrong backported codes
FROMLIST: binder: fix use-after-free in binder_transaction()
UPSTREAM: ipv6: fib: Unlink replaced routes from their nodes
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
Conflicts:
fs/f2fs/crypto_key.c
fs/f2fs/f2fs_crypto.h
net/wireless/nl80211.c
sound/usb/card.c
Change-Id: I742aeaec84c7892165976b7bea3e07bdd6881d93
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
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Changes in 4.4.92
usb: gadget: inode.c: fix unbalanced spin_lock in ep0_write
USB: gadgetfs: Fix crash caused by inadequate synchronization
USB: gadgetfs: fix copy_to_user while holding spinlock
usb: gadget: udc: atmel: set vbus irqflags explicitly
usb-storage: unusual_devs entry to fix write-access regression for Seagate external drives
usb: renesas_usbhs: fix the BCLR setting condition for non-DCP pipe
usb: renesas_usbhs: fix usbhsf_fifo_clear() for RX direction
ALSA: usb-audio: Check out-of-bounds access by corrupted buffer descriptor
usb: pci-quirks.c: Corrected timeout values used in handshake
USB: dummy-hcd: fix connection failures (wrong speed)
USB: dummy-hcd: fix infinite-loop resubmission bug
USB: dummy-hcd: Fix erroneous synchronization change
USB: devio: Don't corrupt user memory
usb: gadget: mass_storage: set msg_registered after msg registered
USB: g_mass_storage: Fix deadlock when driver is unbound
lsm: fix smack_inode_removexattr and xattr_getsecurity memleak
ALSA: compress: Remove unused variable
ALSA: usx2y: Suppress kernel warning at page allocation failures
driver core: platform: Don't read past the end of "driver_override" buffer
Drivers: hv: fcopy: restore correct transfer length
stm class: Fix a use-after-free
ftrace: Fix kmemleak in unregister_ftrace_graph
HID: i2c-hid: allocate hid buffers for real worst case
iwlwifi: add workaround to disable wide channels in 5GHz
scsi: sd: Do not override max_sectors_kb sysfs setting
USB: uas: fix bug in handling of alternate settings
USB: core: harden cdc_parse_cdc_header
usb: Increase quirk delay for USB devices
USB: fix out-of-bounds in usb_set_configuration
xhci: fix finding correct bus_state structure for USB 3.1 hosts
iio: adc: twl4030: Fix an error handling path in 'twl4030_madc_probe()'
iio: adc: twl4030: Disable the vusb3v1 rugulator in the error handling path of 'twl4030_madc_probe()'
iio: ad_sigma_delta: Implement a dedicated reset function
staging: iio: ad7192: Fix - use the dedicated reset function avoiding dma from stack.
iio: core: Return error for failed read_reg
iio: ad7793: Fix the serial interface reset
iio: adc: mcp320x: Fix readout of negative voltages
iio: adc: mcp320x: Fix oops on module unload
uwb: properly check kthread_run return value
uwb: ensure that endpoint is interrupt
brcmfmac: setup passive scan if requested by user-space
drm/i915/bios: ignore HDMI on port A
nvme: protect against simultaneous shutdown invocations
sched/cpuset/pm: Fix cpuset vs. suspend-resume bugs
ext4: fix data corruption for mmap writes
ext4: Don't clear SGID when inheriting ACLs
ext4: don't allow encrypted operations without keys
Linux 4.4.92
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 173b8439e1ba362007315868928bf9d26e5cc5a6 upstream.
While we allow deletes without the key, the following should not be
permitted:
# cd /vdc/encrypted-dir-without-key
# ls -l
total 4
-rw-r--r-- 1 root root 0 Dec 27 22:35 6,LKNRJsp209FbXoSvJWzB
-rw-r--r-- 1 root root 286 Dec 27 22:35 uRJ5vJh9gE7vcomYMqTAyD
# mv uRJ5vJh9gE7vcomYMqTAyD 6,LKNRJsp209FbXoSvJWzB
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a3bb2d5587521eea6dab2d05326abb0afb460abd 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
__ext4_set_acl() into ext4_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
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a056bdaae7a181f7dcc876cfab2f94538e508709 upstream.
mpage_submit_page() can race with another process growing i_size and
writing data via mmap to the written-back page. As mpage_submit_page()
samples i_size too early, it may happen that ext4_bio_write_page()
zeroes out too large tail of the page and thus corrupts user data.
Fix the problem by sampling i_size only after the page has been
write-protected in page tables by clear_page_dirty_for_io() call.
Reported-by: Michael Zimmer <michael@swarm64.com>
CC: stable@vger.kernel.org
Fixes: cb20d5188366f04d96d2e07b1240cc92170ade40
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 57e7ba04d422c3d41c8426380303ec9b7533ded9 upstream.
security_inode_getsecurity() provides the text string value
of a security attribute. It does not provide a "secctx".
The code in xattr_getsecurity() that calls security_inode_getsecurity()
and then calls security_release_secctx() happened to work because
SElinux and Smack treat the attribute and the secctx the same way.
It fails for cap_inode_getsecurity(), because that module has no
secctx that ever needs releasing. It turns out that Smack is the
one that's doing things wrong by not allocating memory when instructed
to do so by the "alloc" parameter.
The fix is simple enough. Change the security_release_secctx() to
kfree() because it isn't a secctx being returned by
security_inode_getsecurity(). Change Smack to allocate the string when
told to do so.
Note: this also fixes memory leaks for LSMs which implement
inode_getsecurity but not release_secctx, such as capabilities.
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Reported-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: James Morris <james.l.morris@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Changes in 4.4.91
drm_fourcc: Fix DRM_FORMAT_MOD_LINEAR #define
drm: bridge: add DT bindings for TI ths8135
GFS2: Fix reference to ERR_PTR in gfs2_glock_iter_next
RDS: RDMA: Fix the composite message user notification
ARM: dts: r8a7790: Use R-Car Gen 2 fallback binding for msiof nodes
MIPS: Ensure bss section ends on a long-aligned address
MIPS: ralink: Fix incorrect assignment on ralink_soc
igb: re-assign hw address pointer on reset after PCI error
extcon: axp288: Use vbus-valid instead of -present to determine cable presence
sh_eth: use correct name for ECMR_MPDE bit
hwmon: (gl520sm) Fix overflows and crash seen when writing into limit attributes
iio: adc: axp288: Drop bogus AXP288_ADC_TS_PIN_CTRL register modifications
iio: adc: hx711: Add DT binding for avia,hx711
ARM: 8635/1: nommu: allow enabling REMAP_VECTORS_TO_RAM
tty: goldfish: Fix a parameter of a call to free_irq
IB/ipoib: Fix deadlock over vlan_mutex
IB/ipoib: rtnl_unlock can not come after free_netdev
IB/ipoib: Replace list_del of the neigh->list with list_del_init
drm/amdkfd: fix improper return value on error
USB: serial: mos7720: fix control-message error handling
USB: serial: mos7840: fix control-message error handling
partitions/efi: Fix integer overflow in GPT size calculation
ASoC: dapm: handle probe deferrals
audit: log 32-bit socketcalls
usb: chipidea: vbus event may exist before starting gadget
ASoC: dapm: fix some pointer error handling
MIPS: Lantiq: Fix another request_mem_region() return code check
net: core: Prevent from dereferencing null pointer when releasing SKB
net/packet: check length in getsockopt() called with PACKET_HDRLEN
team: fix memory leaks
usb: plusb: Add support for PL-27A1
mmc: sdio: fix alignment issue in struct sdio_func
bridge: netlink: register netdevice before executing changelink
netfilter: invoke synchronize_rcu after set the _hook_ to NULL
MIPS: IRQ Stack: Unwind IRQ stack onto task stack
exynos-gsc: Do not swap cb/cr for semi planar formats
netfilter: nfnl_cthelper: fix incorrect helper->expect_class_max
parisc: perf: Fix potential NULL pointer dereference
iommu/io-pgtable-arm: Check for leaf entry before dereferencing it
rds: ib: add error handle
md/raid10: submit bio directly to replacement disk
i2c: meson: fix wrong variable usage in meson_i2c_put_data
xfs: remove kmem_zalloc_greedy
libata: transport: Remove circular dependency at free time
drivers: firmware: psci: drop duplicate const from psci_of_match
IB/qib: fix false-postive maybe-uninitialized warning
ARM: remove duplicate 'const' annotations'
ALSA: au88x0: avoid theoretical uninitialized access
ttpci: address stringop overflow warning
Linux 4.4.91
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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[ Upstream commit 08b005f1333154ae5b404ca28766e0ffb9f1c150 ]
The sole remaining caller of kmem_zalloc_greedy is bulkstat, which uses
it to grab 1-4 pages for staging of inobt records. The infinite loop in
the greedy allocation function is causing hangs[1] in generic/269, so
just get rid of the greedy allocator in favor of kmem_zalloc_large.
This makes bulkstat somewhat more likely to ENOMEM if there's really no
pages to spare, but eliminates a source of hangs.
[1] http://lkml.kernel.org/r/20170301044634.rgidgdqqiiwsmfpj%40XZHOUW.usersys.redhat.com
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 14d37564fa3dc4e5d4c6828afcd26ac14e6796c5 ]
This patch fixes a place where function gfs2_glock_iter_next can
reference an invalid error pointer.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Changes in 4.4.90
cifs: release auth_key.response for reconnect.
mac80211: flush hw_roc_start work before cancelling the ROC
KVM: PPC: Book3S: Fix race and leak in kvm_vm_ioctl_create_spapr_tce()
tracing: Fix trace_pipe behavior for instance traces
tracing: Erase irqsoff trace with empty write
md/raid5: fix a race condition in stripe batch
md/raid5: preserve STRIPE_ON_UNPLUG_LIST in break_stripe_batch_list
scsi: scsi_transport_iscsi: fix the issue that iscsi_if_rx doesn't parse nlmsg properly
crypto: talitos - Don't provide setkey for non hmac hashing algs.
crypto: talitos - fix sha224
KEYS: fix writing past end of user-supplied buffer in keyring_read()
KEYS: prevent creating a different user's keyrings
KEYS: prevent KEYCTL_READ on negative key
powerpc/pseries: Fix parent_dn reference leak in add_dt_node()
Fix SMB3.1.1 guest authentication to Samba
SMB: Validate negotiate (to protect against downgrade) even if signing off
SMB3: Don't ignore O_SYNC/O_DSYNC and O_DIRECT flags
vfs: Return -ENXIO for negative SEEK_HOLE / SEEK_DATA offsets
nl80211: check for the required netlink attributes presence
bsg-lib: don't free job in bsg_prepare_job
seccomp: fix the usage of get/put_seccomp_filter() in seccomp_get_filter()
arm64: Make sure SPsel is always set
arm64: fault: Route pte translation faults via do_translation_fault
KVM: VMX: Do not BUG() on out-of-bounds guest IRQ
kvm: nVMX: Don't allow L2 to access the hardware CR8
PCI: Fix race condition with driver_override
btrfs: fix NULL pointer dereference from free_reloc_roots()
btrfs: propagate error to btrfs_cmp_data_prepare caller
btrfs: prevent to set invalid default subvolid
x86/fpu: Don't let userspace set bogus xcomp_bv
gfs2: Fix debugfs glocks dump
timer/sysclt: Restrict timer migration sysctl values to 0 and 1
KVM: VMX: do not change SN bit in vmx_update_pi_irte()
KVM: VMX: remove WARN_ON_ONCE in kvm_vcpu_trigger_posted_interrupt
cxl: Fix driver use count
dmaengine: mmp-pdma: add number of requestors
ARM: pxa: add the number of DMA requestor lines
ARM: pxa: fix the number of DMA requestor lines
KVM: VMX: use cmpxchg64
video: fbdev: aty: do not leak uninitialized padding in clk to userspace
swiotlb-xen: implement xen_swiotlb_dma_mmap callback
fix xen_swiotlb_dma_mmap prototype
Linux 4.4.90
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 10201655b085df8e000822e496e5d4016a167a36 upstream.
The switch to rhashtables (commit 88ffbf3e03) broke the debugfs glock
dump (/sys/kernel/debug/gfs2/<device>/glocks) for dumps bigger than a
single buffer: the right function for restarting an rhashtable iteration
from the beginning of the hash table is rhashtable_walk_enter;
rhashtable_walk_stop + rhashtable_walk_start will just resume from the
current position.
The upstream commit doesn't directly apply to 4.4.y because 4.4.y
doesn't have rhashtable_walk_enter and the following mainline commits:
92ecd73a887c4a2b94daf5fc35179d75d1c4ef95
gfs2: Deduplicate gfs2_{glocks,glstats}_open
cc37a62785a584f4875788689f3fd1fa6e4eb291
gfs2: Replace rhashtable_walk_init with rhashtable_walk_enter
Other than rhashtable_walk_enter, rhashtable_walk_init can fail. To
handle the failure case in gfs2_glock_seq_stop, we check if
rhashtable_walk_init has initialized iter->walker; if it has not, we
must not call rhashtable_walk_stop or rhashtable_walk_exit.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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