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git://git.linaro.org/kernel/linux-linaro-stable.git
* linux-linaro-lsk-v4.4-android: (1212 commits)
ANDROID: sdcardfs: Change current->fs under lock
ANDROID: sdcardfs: Don't use OVERRIDE_CRED macro
ANDROID: restrict store of prefer_idle as boolean
BACKPORT: arm/syscalls: Optimize address limit check
UPSTREAM: syscalls: Use CHECK_DATA_CORRUPTION for addr_limit_user_check
BACKPORT: arm64/syscalls: Check address limit on user-mode return
BACKPORT: x86/syscalls: Check address limit on user-mode return
BACKPORT: lkdtm: add bad USER_DS test
UPSTREAM: bug: switch data corruption check to __must_check
BACKPORT: lkdtm: Add tests for struct list corruption
UPSTREAM: bug: Provide toggle for BUG on data corruption
UPSTREAM: list: Split list_del() debug checking into separate function
UPSTREAM: rculist: Consolidate DEBUG_LIST for list_add_rcu()
BACKPORT: list: Split list_add() debug checking into separate function
FROMLIST: ANDROID: binder: Add BINDER_GET_NODE_INFO_FOR_REF ioctl.
BACKPORT: arm64/vdso: Fix nsec handling for CLOCK_MONOTONIC_RAW
ANDROID: arm64: mm: fix 4.4.154 merge
BACKPORT: zsmalloc: introduce zs_huge_class_size()
BACKPORT: zram: drop max_zpage_size and use zs_huge_class_size()
ANDROID: tracing: fix race condition reading saved tgids
...
Change-Id: I9f23db35eb926b6fa0d7af7dbbb55c9a37d536fc
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* linux-linaro-lsk-v4.4: (783 commits)
Linux 4.4.159
iw_cxgb4: only allow 1 flush on user qps
HID: sony: Support DS4 dongle
HID: sony: Update device ids
arm64: Add trace_hardirqs_off annotation in ret_to_user
ext4: don't mark mmp buffer head dirty
ext4: fix online resizing for bigalloc file systems with a 1k block size
ext4: fix online resize's handling of a too-small final block group
ext4: recalucate superblock checksum after updating free blocks/inodes
ext4: avoid divide by zero fault when deleting corrupted inline directories
tty: vt_ioctl: fix potential Spectre v1
drm/nouveau/drm/nouveau: Use pm_runtime_get_noresume() in connector_detect()
ocfs2: fix ocfs2 read block panic
scsi: target: iscsi: Use hex2bin instead of a re-implementation
neighbour: confirm neigh entries when ARP packet is received
net: hp100: fix always-true check for link up state
net/appletalk: fix minor pointer leak to userspace in SIOCFINDIPDDPRT
ipv6: fix possible use-after-free in ip6_xmit()
gso_segment: Reset skb->mac_len after modifying network header
mm: shmem.c: Correctly annotate new inodes for lockdep
...
Conflicts:
Makefile
fs/squashfs/block.c
include/uapi/linux/prctl.h
kernel/fork.c
kernel/sys.c
Trivial merge conflicts in above files. Resolved by rebasing
corresponding AOSP changes.
arch/arm64/mm/init.c
Pick the changes from upstream version of AOSP patch
"arm64: check for upper PAGE_SHIFT bits in pfn_valid" instead.
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
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[ Upstream commit 14cb2c8a6c5dae57ee3e2da10fa3db2b9087e39e ]
The if-block that sets a successful return value in aix_partition()
uses 'lvip[].pps_per_lv' and 'n[].name' potentially uninitialized.
For example, if 'numlvs' is zero or alloc_lvn() fails, neither is
initialized, but are used anyway if alloc_pvd() succeeds after it.
So, make the alloc_pvd() call conditional on their initialization.
This has been hit when attaching an apparently corrupted/stressed
AIX LUN, misleading the kernel to pr_warn() invalid data and hang.
[...] partition (null) (11 pp's found) is not contiguous
[...] partition (null) (2 pp's found) is not contiguous
[...] partition (null) (3 pp's found) is not contiguous
[...] partition (null) (64 pp's found) is not contiguous
Fixes: 6ceea22bbbc8 ("partitions: add aix lvm partition support files")
Signed-off-by: Mauricio Faria de Oliveira <mfo@canonical.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit d43fdae7bac2def8c4314b5a49822cb7f08a45f1 ]
Even if properly initialized, the lvname array (i.e., strings)
is read from disk, and might contain corrupt data (e.g., lack
the null terminating character for strings).
So, make sure the partition name string used in pr_warn() has
the null terminating character.
Fixes: 6ceea22bbbc8 ("partitions: add aix lvm partition support files")
Suggested-by: Daniel J. Axtens <daniel.axtens@canonical.com>
Signed-off-by: Mauricio Faria de Oliveira <mfo@canonical.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit e00f4f4d0ff7e13b9115428a245b49108d625f09 upstream.
blkcg allocates some per-cgroup data structures with GFP_NOWAIT and
when that fails falls back to operations which aren't specific to the
cgroup. Occassional failures are expected under pressure and falling
back to non-cgroup operation is the right thing to do.
Unfortunately, I forgot to add __GFP_NOWARN to these allocations and
these expected failures end up creating a lot of noise. Add
__GFP_NOWARN.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Marc MERLIN <marc@merlins.org>
Reported-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b3193bc0dca9bb69c8ba1ec1a318105c76eb4172 upstream.
In below scenario blkio cgroup does not work as per their assigned
weights :-
1. When the underlying device is nonrotational with a single HW queue
with depth of >= CFQ_HW_QUEUE_MIN
2. When the use case is forming two blkio cgroups cg1(weight 1000) &
cg2(wight 100) and two processes(file1 and file2) doing sync IO in
their respective blkio cgroups.
For above usecase result of fio (without this patch):-
file1: (groupid=0, jobs=1): err= 0: pid=685: Thu Jan 1 19:41:49 1970
write: IOPS=1315, BW=41.1MiB/s (43.1MB/s)(1024MiB/24906msec)
<...>
file2: (groupid=0, jobs=1): err= 0: pid=686: Thu Jan 1 19:41:49 1970
write: IOPS=1295, BW=40.5MiB/s (42.5MB/s)(1024MiB/25293msec)
<...>
// both the process BW is equal even though they belong to diff.
cgroups with weight of 1000(cg1) and 100(cg2)
In above case (for non rotational NCQ devices),
as soon as the request from cg1 is completed and even
though it is provided with higher set_slice=10, because of CFQ
algorithm when the driver tries to fetch the request, CFQ expires
this group without providing any idle time nor weight priority
and schedules another cfq group (in this case cg2).
And thus both cfq groups(cg1 & cg2) keep alternating to get the
disk time and hence loses the cgroup weight based scheduling.
Below patch gives a chance to cfq algorithm (cfq_arm_slice_timer)
to arm the slice timer in case group_idle is enabled.
In case if group_idle is also not required (including for nonrotational
NCQ drives), we need to explicitly set group_idle = 0 from sysfs for
such cases.
With this patch result of fio(for above usecase) :-
file1: (groupid=0, jobs=1): err= 0: pid=690: Thu Jan 1 00:06:08 1970
write: IOPS=1706, BW=53.3MiB/s (55.9MB/s)(1024MiB/19197msec)
<..>
file2: (groupid=0, jobs=1): err= 0: pid=691: Thu Jan 1 00:06:08 1970
write: IOPS=1043, BW=32.6MiB/s (34.2MB/s)(1024MiB/31401msec)
<..>
// In this processes BW is as per their respective cgroups weight.
Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.linaro.org/kernel/linux-linaro-stable.git
* linux-linaro-lsk-v4.4: (519 commits)
Linux 4.4.154
cdrom: Fix info leak/OOB read in cdrom_ioctl_drive_status
iscsi target: fix session creation failure handling
scsi: core: Avoid that SCSI device removal through sysfs triggers a deadlock
scsi: sysfs: Introduce sysfs_{un,}break_active_protection()
MIPS: lib: Provide MIPS64r6 __multi3() for GCC < 7
MIPS: Correct the 64-bit DSP accumulator register size
kprobes: Make list and blacklist root user read only
s390/pci: fix out of bounds access during irq setup
s390/qdio: reset old sbal_state flags
s390: fix br_r1_trampoline for machines without exrl
x86/spectre: Add missing family 6 check to microcode check
x86/irqflags: Mark native_restore_fl extern inline
pinctrl: freescale: off by one in imx1_pinconf_group_dbg_show()
ASoC: sirf: Fix potential NULL pointer dereference
ASoC: dpcm: don't merge format from invalid codec dai
udl-kms: fix crash due to uninitialized memory
udl-kms: handle allocation failure
udl-kms: change down_interruptible to down
fuse: Add missed unlock_page() to fuse_readpages_fill()
...
Conflicts:
Makefile
arch/arm64/mm/init.c
fs/squashfs/block.c
include/uapi/linux/prctl.h
kernel/sys.c
Change-Id: Ie03b5adfbbb4ab2bf16bc55d99f0d8a9c540a53b
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commit 1dc3039bc87ae7d19a990c3ee71cfd8a9068f428 upstream.
When blk_queue_enter() waits for a queue to unfreeze, or unset the
PREEMPT_ONLY flag, do not allow it to be interrupted by a signal.
The PREEMPT_ONLY flag was introduced later in commit 3a0a529971ec
("block, scsi: Make SCSI quiesce and resume work reliably"). Note the SCSI
device is resumed asynchronously, i.e. after un-freezing userspace tasks.
So that commit exposed the bug as a regression in v4.15. A mysterious
SIGBUS (or -EIO) sometimes happened during the time the device was being
resumed. Most frequently, there was no kernel log message, and we saw Xorg
or Xwayland killed by SIGBUS.[1]
[1] E.g. https://bugzilla.redhat.com/show_bug.cgi?id=1553979
Without this fix, I get an IO error in this test:
# dd if=/dev/sda of=/dev/null iflag=direct & \
while killall -SIGUSR1 dd; do sleep 0.1; done & \
echo mem > /sys/power/state ; \
sleep 5; killall dd # stop after 5 seconds
The interruptible wait was added to blk_queue_enter in
commit 3ef28e83ab15 ("block: generic request_queue reference counting").
Before then, the interruptible wait was only in blk-mq, but I don't think
it could ever have been correct.
Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alan Jenkins <alan.christopher.jenkins@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.linaro.org/kernel/linux-linaro-stable.git
LSK 18.05 v4.4-android
* tag 'lsk-v4.4-18.05-android': (605 commits)
ANDROID: sdcardfs: Don't d_drop in d_revalidate
goldfish: pipe: ANDROID: mark local functions static
UPSTREAM: ANDROID: binder: prevent transactions into own process.
goldfish: pipe: ANDROID: Add DMA support
UPSTREAM: f2fs: clear PageError on writepage - part 2
UPSTREAM: f2fs: avoid fsync() failure caused by EAGAIN in writepage()
ANDROID: x86_64_cuttlefish_defconfig: Disable KPTI
UPSTREAM: mac80211: ibss: Fix channel type enum in ieee80211_sta_join_ibss()
UPSTREAM: mac80211: Fix clang warning about constant operand in logical operation
UPSTREAM: nl80211: Fix enum type of variable in nl80211_put_sta_rate()
UPSTREAM: sysfs: remove signedness from sysfs_get_dirent
UPSTREAM: tracing: Use cpumask_available() to check if cpumask variable may be used
BACKPORT: clocksource: Use GENMASK_ULL in definition of CLOCKSOURCE_MASK
UPSTREAM: netpoll: Fix device name check in netpoll_setup()
FROMLIST: staging: Fix sparse warnings in vsoc driver.
FROMLIST: staging: vsoc: Fix a i386-randconfig warning.
FROMLIST: staging: vsoc: Create wc kernel mapping for region shm.
goldfish: pipe: ANDROID: Replace writel with gf_write_ptr
goldfish: pipe: ANDROID: Use dev_ logging instead of pr_
goldfish: pipe: ANDROID: fix checkpatch warnings
...
Conflicts:
fs/f2fs/node.c
scripts/Makefile.lib
Change-Id: Ib92d11938a383464249fe6f2dad3ab2a05bc4770
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* linux-linaro-lsk-v4.4: (515 commits)
Linux 4.4.132
perf/x86: Fix possible Spectre-v1 indexing for x86_pmu::event_map()
perf/core: Fix possible Spectre-v1 indexing for ->aux_pages[]
perf/x86/msr: Fix possible Spectre-v1 indexing in the MSR driver
perf/x86/cstate: Fix possible Spectre-v1 indexing for pkg_msr
perf/x86: Fix possible Spectre-v1 indexing for hw_perf_event cache_*
tracing/uprobe_event: Fix strncpy corner case
Revert "Bluetooth: btusb: Fix quirk for Atheros 1525/QCA6174"
atm: zatm: Fix potential Spectre v1
net: atm: Fix potential Spectre v1
can: kvaser_usb: Increase correct stats counter in kvaser_usb_rx_can_msg()
tracing: Fix regex_match_front() to not over compare the test string
libata: Apply NOLPM quirk for SanDisk SD7UB3Q*G1001 SSDs
rfkill: gpio: fix memory leak in probe error path
xfrm_user: fix return value from xfrm_user_rcv_msg
f2fs: fix a dead loop in f2fs_fiemap()
bdi: Fix oops in wb_workfn()
tcp: fix TCP_REPAIR_QUEUE bound checking
perf: Remove superfluous allocation error check
soreuseport: initialise timewait reuseport field
...
Conflicts:
arch/s390/kernel/module.c
arch/x86/kernel/kprobes/core.c
fs/proc/task_mmu.c
net/ipv6/route.c
Trivial conflicts between AOSP/LSK and backported/rebased LTS changes.
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
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[ Upstream commit 8ab0b7dc73e1b3e2987d42554b2bff503f692772 ]
HW queues may be unmapped in some cases, such as blk_mq_update_nr_hw_queues(),
then we need to check it before calling blk_mq_tag_idle(), otherwise
the following kernel oops can be triggered, so fix it by checking if
the hw queue is unmapped since it doesn't make sense to idle the tags
any more after hw queues are unmapped.
[ 440.771298] Workqueue: nvme-wq nvme_rdma_del_ctrl_work [nvme_rdma]
[ 440.779104] task: ffff894bae755ee0 ti: ffff893bf9bc8000 task.ti: ffff893bf9bc8000
[ 440.788359] RIP: 0010:[<ffffffffb730e2b4>] [<ffffffffb730e2b4>] __blk_mq_tag_idle+0x24/0x40
[ 440.798697] RSP: 0018:ffff893bf9bcbd10 EFLAGS: 00010286
[ 440.805538] RAX: 0000000000000000 RBX: ffff895bb131dc00 RCX: 000000000000011f
[ 440.814426] RDX: 00000000ffffffff RSI: 0000000000000120 RDI: ffff895bb131dc00
[ 440.823301] RBP: ffff893bf9bcbd10 R08: 000000000001b860 R09: 4a51d361c00c0000
[ 440.832193] R10: b5907f32b4cc7003 R11: ffffd6cabfb57000 R12: ffff894bafd1e008
[ 440.841091] R13: 0000000000000001 R14: ffff895baf770000 R15: 0000000000000080
[ 440.849988] FS: 0000000000000000(0000) GS:ffff894bbdcc0000(0000) knlGS:0000000000000000
[ 440.859955] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 440.867274] CR2: 0000000000000008 CR3: 000000103d098000 CR4: 00000000001407e0
[ 440.876169] Call Trace:
[ 440.879818] [<ffffffffb7309d68>] blk_mq_exit_hctx+0xd8/0xe0
[ 440.887051] [<ffffffffb730dc40>] blk_mq_free_queue+0xf0/0x160
[ 440.894465] [<ffffffffb72ff679>] blk_cleanup_queue+0xd9/0x150
[ 440.901881] [<ffffffffc08a802b>] nvme_ns_remove+0x5b/0xb0 [nvme_core]
[ 440.910068] [<ffffffffc08a811b>] nvme_remove_namespaces+0x3b/0x60 [nvme_core]
[ 440.919026] [<ffffffffc08b817b>] __nvme_rdma_remove_ctrl+0x2b/0xb0 [nvme_rdma]
[ 440.928079] [<ffffffffc08b8237>] nvme_rdma_del_ctrl_work+0x17/0x20 [nvme_rdma]
[ 440.937126] [<ffffffffb70ab58a>] process_one_work+0x17a/0x440
[ 440.944517] [<ffffffffb70ac3a8>] worker_thread+0x278/0x3c0
[ 440.951607] [<ffffffffb70ac130>] ? manage_workers.isra.24+0x2a0/0x2a0
[ 440.959760] [<ffffffffb70b352f>] kthread+0xcf/0xe0
[ 440.966055] [<ffffffffb70b3460>] ? insert_kthread_work+0x40/0x40
[ 440.973715] [<ffffffffb76d8658>] ret_from_fork+0x58/0x90
[ 440.980586] [<ffffffffb70b3460>] ? insert_kthread_work+0x40/0x40
[ 440.988229] Code: 5b 41 5c 5d c3 66 90 0f 1f 44 00 00 48 8b 87 20 01 00 00 f0 0f ba 77 40 01 19 d2 85 d2 75 08 c3 0f 1f 80 00 00 00 00 55 48 89 e5 <f0> ff 48 08 48 8d 78 10 e8 7f 0f 05 00 5d c3 0f 1f 00 66 2e 0f
[ 441.011620] RIP [<ffffffffb730e2b4>] __blk_mq_tag_idle+0x24/0x40
[ 441.019301] RSP <ffff893bf9bcbd10>
[ 441.024052] CR2: 0000000000000008
Reported-by: Zhang Yi <yizhan@redhat.com>
Tested-by: Zhang Yi <yizhan@redhat.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 3116a23bb30272d74ea81baf5d0ee23f602dd15b ]
If bio has no data, such as ones from blkdev_issue_flush(),
then we have nothing to protect.
This patch prevent bugon like follows:
kfree_debugcheck: out of range ptr ac1fa1d106742a5ah
kernel BUG at mm/slab.c:2773!
invalid opcode: 0000 [#1] SMP
Modules linked in: bcache
CPU: 0 PID: 4428 Comm: xfs_io Tainted: G W 4.11.0-rc4-ext4-00041-g2ef0043-dirty #43
Hardware name: Virtuozzo KVM, BIOS seabios-1.7.5-11.vz7.4 04/01/2014
task: ffff880137786440 task.stack: ffffc90000ba8000
RIP: 0010:kfree_debugcheck+0x25/0x2a
RSP: 0018:ffffc90000babde0 EFLAGS: 00010082
RAX: 0000000000000034 RBX: ac1fa1d106742a5a RCX: 0000000000000007
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88013f3ccb40
RBP: ffffc90000babde8 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000fcb76420 R11: 00000000725172ed R12: 0000000000000282
R13: ffffffff8150e766 R14: ffff88013a145e00 R15: 0000000000000001
FS: 00007fb09384bf40(0000) GS:ffff88013f200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd0172f9e40 CR3: 0000000137fa9000 CR4: 00000000000006f0
Call Trace:
kfree+0xc8/0x1b3
bio_integrity_free+0xc3/0x16b
bio_free+0x25/0x66
bio_put+0x14/0x26
blkdev_issue_flush+0x7a/0x85
blkdev_fsync+0x35/0x42
vfs_fsync_range+0x8e/0x9f
vfs_fsync+0x1c/0x1e
do_fsync+0x31/0x4a
SyS_fsync+0x10/0x14
entry_SYSCALL_64_fastpath+0x1f/0xc2
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 7bd897cfce1eb373892d35d7f73201b0f9b221c4 ]
We don't set an error code on this path. It means that we return NULL
instead of an error pointer and the caller does a NULL dereference.
Fixes: 6d1d8050b4bc ("block, partition: add partition_meta_info to hd_struct")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit f36ea50ca0043e7b1204feaf1d2ba6bd68c08d36 ]
When formatting NVMe to 512B/4K + T10 DIf/DIX, dd with split op returns
"Input/output error". Looks block layer split the bio after calling
bio_integrity_prep(bio). This patch fixes the issue.
Below is how we debug this issue:
(1)format nvme to 4K block # size with type 2 DIF
(2)dd with block size bigger than 1024k.
oflag=direct
dd: error writing '/dev/nvme0n1': Input/output error
We added some debug code in nvme device driver. It showed us the first
op and the second op have the same bi and pi address. This is not
correct.
1st op: nvme0n1 Op:Wr slba 0x505 length 0x100, PI ctrl=0x1400,
dsmgmt=0x0, AT=0x0 & RT=0x505
Guard 0x00b1, AT 0x0000, RT physical 0x00000505 RT virtual 0x00002828
2nd op: nvme0n1 Op:Wr slba 0x605 length 0x1, PI ctrl=0x1400, dsmgmt=0x0,
AT=0x0 & RT=0x605 ==> This op fails and subsequent 5 retires..
Guard 0x00b1, AT 0x0000, RT physical 0x00000605 RT virtual 0x00002828
With the fix, It showed us both of the first op and the second op have
correct bi and pi address.
1st op: nvme2n1 Op:Wr slba 0x505 length 0x100, PI ctrl=0x1400,
dsmgmt=0x0, AT=0x0 & RT=0x505
Guard 0x5ccb, AT 0x0000, RT physical 0x00000505 RT virtual
0x00002828
2nd op: nvme2n1 Op:Wr slba 0x605 length 0x1, PI ctrl=0x1400, dsmgmt=0x0,
AT=0x0 & RT=0x605
Guard 0xab4c, AT 0x0000, RT physical 0x00000605 RT virtual
0x00003028
Signed-off-by: Wen Xiong <wenxiong@linux.vnet.ibm.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.linaro.org/kernel/linux-linaro-stable.git
* linux-linaro-lsk-v4.4-android: (395 commits)
Linux 4.4.126
net: systemport: Rewrite __bcm_sysport_tx_reclaim()
net: fec: Fix unbalanced PM runtime calls
ieee802154: 6lowpan: fix possible NULL deref in lowpan_device_event()
s390/qeth: on channel error, reject further cmd requests
s390/qeth: lock read device while queueing next buffer
s390/qeth: when thread completes, wake up all waiters
s390/qeth: free netdevice when removing a card
team: Fix double free in error path
skbuff: Fix not waking applications when errors are enqueued
net: Only honor ifindex in IP_PKTINFO if non-0
netlink: avoid a double skb free in genlmsg_mcast()
net/iucv: Free memory obtained by kzalloc
net: ethernet: ti: cpsw: add check for in-band mode setting with RGMII PHY interface
net: ethernet: arc: Fix a potential memory leak if an optional regulator is deferred
l2tp: do not accept arbitrary sockets
ipv6: fix access to non-linear packet in ndisc_fill_redirect_hdr_option()
dccp: check sk for closed state in dccp_sendmsg()
net: Fix hlist corruptions in inet_evict_bucket()
Revert "genirq: Use irqd_get_trigger_type to compare the trigger type for shared IRQs"
...
Conflicts:
include/linux/usb/quirks.h
Change-Id: I125065cef66846e4cdee799f4b34d07c309d353e
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commit 5f15684bd5e5ef39d4337988864fec8012471dda upstream.
UFS partitions from newer versions of FreeBSD 10 and 11 use relative
addressing for their subpartitions. But older versions of FreeBSD still
use absolute addressing just like OpenBSD and NetBSD.
Instead of simply testing for a FreeBSD partition, the code needs to
also test if the starting offset of the C subpartition is zero.
https://bugzilla.kernel.org/show_bug.cgi?id=197733
Signed-off-by: Richard Narron <comet.berkeley@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 06cceedcca67a93ac7f7aa93bbd9980c7496d14e ]
cgroup could be throttled to a limit but when all cgroups cross high
limit, queue enters a higher state and so the group should be throttled
to a higher limit. It's possible the cgroup is sleeping because of
throttle and other cgroups don't dispatch IO any more. In this case,
nobody can trigger current downgrade/upgrade logic. To fix this issue,
we could either set up a timer to wakeup the cgroup if other cgroups are
idle or make sure this cgroup doesn't sleep too long. Setting up a timer
means we must change the timer very frequently. This patch chooses the
latter. Making cgroup sleep time not too big wouldn't change cgroup
bps/iops, but could make it wakeup more frequently, which isn't a big
issue because throtl_slice * 8 is already quite big.
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 9b54d816e00425c3a517514e0d677bb3cec49258 upstream.
If blkg_create fails, new_blkg passed as an argument will
be freed by blkg_create, so there is no need to free it again.
Signed-off-by: Hou Tao <houtao1@huawei.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Change-Id: I754250669891307b0deab2bdab1bd01512713f79
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
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git://git.linaro.org/kernel/linux-linaro-stable.git
* linux-linaro-lsk-v4.4-android: (733 commits)
LSK-ANDROID: memcg: Remove wrong ->attach callback
LSK-ANDROID: arm64: mm: Fix __create_pgd_mapping() call
ANDROID: sdcardfs: Move default_normal to superblock
blkdev: Refactoring block io latency histogram codes
FROMLIST: arm64: kpti: Fix the interaction between ASID switching and software PAN
FROMLIST: arm64: Move post_ttbr_update_workaround to C code
FROMLIST: arm64: mm: Rename post_ttbr0_update_workaround
sched: EAS: Initialize push_task as NULL to avoid direct reference on out_unlock path
fscrypt: updates on 4.15-rc4
ANDROID: uid_sys_stats: fix the comment
BACKPORT: tee: indicate privileged dev in gen_caps
BACKPORT: tee: optee: sync with new naming of interrupts
BACKPORT: tee: tee_shm: Constify dma_buf_ops structures.
BACKPORT: tee: optee: interruptible RPC sleep
BACKPORT: tee: optee: add const to tee_driver_ops and tee_desc structures
BACKPORT: tee.txt: standardize document format
BACKPORT: tee: add forward declaration for struct device
BACKPORT: tee: optee: fix uninitialized symbol 'parg'
BACKPORT: tee: add ARM_SMCCC dependency
BACKPORT: selinux: nlmsgtab: add SOCK_DESTROY to the netlink mapping tables
...
Conflicts:
arch/arm64/kernel/vdso.c
drivers/usb/host/xhci-plat.c
include/drm/drmP.h
include/linux/kasan.h
kernel/time/timekeeping.c
mm/kasan/kasan.c
security/selinux/nlmsgtab.c
Also add this commit:
0bcdc0987cce ("time: Fix ktime_get_raw() incorrect base accumulation")
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The current io_latency_state structure includes entries for read
and write requests. There are special types of write commands
such as sync and discard (trim) commands, and the current
implementation is not general enough if we want to separate
latency histogram for such special commands.
This change makes io_latency_state structure request-type neutral.
It also changes to print the latency average.
Signed-off-by: Hyojun Kim <hyojun@google.com>
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commit 2b04e8f6bbb196cab4b232af0f8d48ff2c7a8058 upstream.
we need to take care of failure exit as well - pages already
in bio should be dropped by analogue of bio_unmap_pages(),
since their refcounts had been bumped only once per reference
in bio.
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 34d9715ac1edd50285168dd8d80c972739a4f6a4 ]
Once blk_set_queue_dying() is done in blk_cleanup_queue(), we call
blk_freeze_queue() and wait for q->q_usage_counter becoming zero. But
if there are tasks blocked in get_request(), q->q_usage_counter can
never become zero. So we have to wake up all these tasks in
blk_set_queue_dying() first.
Fixes: 3ef28e83ab157997 ("block: generic request_queue reference counting")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.linaro.org/kernel/linux-linaro-stable.git
* linux-linaro-lsk-v4.4-android: (510 commits)
Linux 4.4.103
Revert "sctp: do not peel off an assoc from one netns to another one"
xen: xenbus driver must not accept invalid transaction ids
s390/kbuild: enable modversions for symbols exported from asm
ASoC: wm_adsp: Don't overrun firmware file buffer when reading region data
btrfs: return the actual error value from from btrfs_uuid_tree_iterate
ASoC: rsnd: don't double free kctrl
netfilter: nf_tables: fix oob access
netfilter: nft_queue: use raw_smp_processor_id()
spi: SPI_FSL_DSPI should depend on HAS_DMA
staging: iio: cdc: fix improper return value
iio: light: fix improper return value
mac80211: Suppress NEW_PEER_CANDIDATE event if no room
mac80211: Remove invalid flag operations in mesh TSF synchronization
drm: Apply range restriction after color adjustment when allocation
ALSA: hda - Apply ALC269_FIXUP_NO_SHUTUP on HDA_FIXUP_ACT_PROBE
ath10k: set CTS protection VDEV param only if VDEV is up
ath10k: fix potential memory leak in ath10k_wmi_tlv_op_pull_fw_stats()
ath10k: ignore configuring the incorrect board_id
ath10k: fix incorrect txpower set by P2P_DEVICE interface
...
Conflicts:
drivers/media/v4l2-core/v4l2-ctrls.c
kernel/sched/fair.c
Change-Id: I48152b2a0ab1f9f07e1da7823119b94f9b9e1751
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Conflicts due to AOSP's backported commits:
fs/f2fs/crypto.c
fs/f2fs/crypto_fname.c
Deleted by AOSP commit c1286ff41c2f ("f2fs: backport from (4c1fad64 -
Merge tag 'for-f2fs-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs)")
fs/f2fs/crypto_key.c
fs/f2fs/data.c
fs/f2fs/file.c
AOSP commit 13f002354db1 ("f2fs: catch up to v4.14-rc1")
override most of stable 4.4.y changes.
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
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git://git.linaro.org/kernel/linux-linaro-stable.git
* linux-linaro-lsk-v4.4-android: (546 commits)
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
...
Conflicts:
drivers/cpufreq/cpufreq-dt.c
drivers/usb/dwc3/gadget.c
Change-Id: I1a24ad0bba307b56b5ddf1fd7c4832ffb73ad12f
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This reverts commit 668cee82cd28d2c38a99f7cbddf3b3fd58f257b9 which was
commit f507b54dccfd8000c517d740bc45f20c74532d18 upstream.
Ben reports:
That function doesn't exist here (it was introduced in 4.13).
Instead, this backport has modified bsg_create_job(), creating a
leak. Please revert this on the 3.18, 4.4 and 4.9 stable
branches.
So I'm dropping it from here.
Reported-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
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commit 95d78c28b5a85bacbc29b8dba7c04babb9b0d467 upstream.
bio_map_user_iov and bio_unmap_user do unbalanced pages refcounting if
IO vector has small consecutive buffers belonging to the same page.
bio_add_pc_page merges them into one, but the page reference is never
dropped.
Signed-off-by: Vitaly Mayatskikh <v.mayatskih@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit c5082b70adfe8e1ea1cf4a8eff92c9f260e364d2 ]
If a GUID Partition Table claims to have more than 2**25 entries, the
calculation of the partition table size in alloc_read_gpt_entries() will
overflow a 32-bit integer and not enough space will be allocated for the
table.
Nothing seems to get written out of bounds, but later efi_partition() will
read up to 32768 bytes from a 128 byte buffer, possibly OOPSing or exposing
information to /proc/partitions and uevents.
The problem exists on both 64-bit and 32-bit platforms.
Fix the overflow and also print a meaningful debug message if the table
size is too large.
Signed-off-by: Alden Tondettar <alden.tondettar@gmail.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f507b54dccfd8000c517d740bc45f20c74532d18 upstream.
The job structure is allocated as part of the request, so we should not
free it in the error path of bsg_prepare_job.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 4ddd56b003f251091a67c15ae3fe4a5c5c5e390a upstream.
Calling blk_start_queue() from interrupt context with the queue
lock held and without disabling IRQs, as the skd driver does, is
safe. This patch avoids that loading the skd driver triggers the
following warning:
WARNING: CPU: 11 PID: 1348 at block/blk-core.c:283 blk_start_queue+0x84/0xa0
RIP: 0010:blk_start_queue+0x84/0xa0
Call Trace:
skd_unquiesce_dev+0x12a/0x1d0 [skd]
skd_complete_internal+0x1e7/0x5a0 [skd]
skd_complete_other+0xc2/0xd0 [skd]
skd_isr_completion_posted.isra.30+0x2a5/0x470 [skd]
skd_isr+0x14f/0x180 [skd]
irq_forced_thread_fn+0x2a/0x70
irq_thread+0x144/0x1a0
kthread+0x125/0x140
ret_from_fork+0x2a/0x40
Fixes: commit a038e2536472 ("[PATCH] blk_start_queue() must be called with irq disabled - add warning")
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Cc: Andrew Morton <akpm@osdl.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In both legacy and mq path, req count of plug list is computed
before allocating request, so the number can be stale when falling
back to slept allocation, also the new introduced wbt can sleep
too.
This patch deals with the case by checking if plug list becomes
empty, and fixes the KASAN report of 'BUG: KASAN: stack-out-of-bounds'
which is introduced by Shaohua's patches of dispatching big request.
Change-Id: I00cdd180e44574aeb7167266b3aa04a28cf4cdc6
Fixes: 600271d900002(blk-mq: immediately dispatch big size request)
Fixes: 50d24c34403c6(block: immediately dispatch big size request)
Cc: Shaohua Li <shli@fb.com>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
(cherry pick from 0a6219a95f0b0690fb7094acb26002e7a4791197)
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This is corresponding part for blk-mq. Disk with multiple hardware
queues doesn't need this as we only hold 1 request at most.
Change-Id: I2bf7fe5749d66e0192c08d16c4bb8d057ad8833f
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
(cherry pick from 600271d9000027c013c01be87cbb90a5a18c5c3f)
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Currently block plug holds up to 16 non-mergeable requests. This makes
sense if the request size is small, eg, reduce lock contention. But if
request size is big enough, we don't need to worry about lock
contention. Holding such request makes no sense and it lows the disk
utilization.
In practice, this improves 10% throughput for my raid5 sequential write
workload.
The size (128k) is arbitrary right now, but it makes sure lock
contention is small. This probably could be more intelligent, eg, check
average request size holded. Since this is mainly for sequential IO,
probably not worthy.
V2: check the last request instead of the first request, so as long as
there is one big size request we flush the plug.
Change-Id: I034ee890eb799ea2c2ee2d38f80f880398f39f91
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
(cherry pick from 50d24c34403c62ad29e8b6db559d491bae20b4b7)
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git://git.linaro.org/kernel/linux-linaro-stable.git
LSK 17.07 v4.4-android
* tag 'lsk-v4.4-17.07-android': (402 commits)
dt/vendor-prefixes: remove redundant vendor
Linux 4.4.77
saa7134: fix warm Medion 7134 EEPROM read
x86/mm/pat: Don't report PAT on CPUs that don't support it
ext4: check return value of kstrtoull correctly in reserved_clusters_store
staging: comedi: fix clean-up of comedi_class in comedi_init()
staging: vt6556: vnt_start Fix missing call to vnt_key_init_table.
tcp: fix tcp_mark_head_lost to check skb len before fragmenting
md: fix super_offset endianness in super_1_rdev_size_change
md: fix incorrect use of lexx_to_cpu in does_sb_need_changing
perf tools: Use readdir() instead of deprecated readdir_r() again
perf tests: Remove wrong semicolon in while loop in CQM test
perf trace: Do not process PERF_RECORD_LOST twice
perf dwarf: Guard !x86_64 definitions under #ifdef else clause
perf pmu: Fix misleadingly indented assignment (whitespace)
perf annotate browser: Fix behaviour of Shift-Tab with nothing focussed
perf tools: Remove duplicate const qualifier
perf script: Use readdir() instead of deprecated readdir_r()
perf thread_map: Use readdir() instead of deprecated readdir_r()
perf tools: Use readdir() instead of deprecated readdir_r()
...
Conflicts:
Makefile
drivers/Kconfig
drivers/Makefile
drivers/usb/dwc3/gadget.c
Change-Id: Ib4aae2e34ebbf0d7953c748a33f673acb3e744fc
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Conflicts:
arch/arm64/kernel/armv8_deprecated.c
arch/arm64/kernel/efi.c
arch/arm64/kernel/entry.S
arch/arm64/kernel/head.S
arch/arm64/kernel/hw_breakpoint.c
arch/arm64/mm/mmu.c
include/linux/memblock.h
mm/memblock.c
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commit 39a169b62b415390398291080dafe63aec751e0a upstream.
get_disk(),get_gendisk() calls have non explicit side effect: they
increase the reference on the disk owner module.
The following is the correct sequence how to get a disk reference and
to put it:
disk = get_gendisk(...);
/* use disk */
owner = disk->fops->owner;
put_disk(disk);
module_put(owner);
fs/block_dev.c is aware of this required module_put() call, but f.e.
blkg_conf_finish(), which is located in block/blk-cgroup.c, does not put
a module reference. To see a leakage in action cgroups throttle config
can be used. In the following script I'm removing throttle for /dev/ram0
(actually this is NOP, because throttle was never set for this device):
# lsmod | grep brd
brd 5175 0
# i=100; while [ $i -gt 0 ]; do echo "1:0 0" > \
/sys/fs/cgroup/blkio/blkio.throttle.read_bps_device; i=$(($i - 1)); \
done
# lsmod | grep brd
brd 5175 100
Now brd module has 100 references.
The issue is fixed by calling module_put() just right away put_disk().
Signed-off-by: Roman Pen <roman.penyaev@profitbricks.com>
Cc: Gi-Oh Kim <gi-oh.kim@profitbricks.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@fb.com>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is the 4.4.73 stable release
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commit 223220356d5ebc05ead9a8d697abb0c0a906fc81 upstream.
The code in block/partitions/msdos.c recognizes FreeBSD, OpenBSD
and NetBSD partitions and does a reasonable job picking out OpenBSD
and NetBSD UFS subpartitions.
But for FreeBSD the subpartitions are always "bad".
Kernel: <bsd:bad subpartition - ignored
Though all 3 of these BSD systems use UFS as a file system, only
FreeBSD uses relative start addresses in the subpartition
declarations.
The following patch fixes this for FreeBSD partitions and leaves
the code for OpenBSD and NetBSD intact:
Signed-off-by: Richard Narron <comet.berkeley@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.linaro.org/kernel/linux-linaro-stable.git
LSK 17.05 v4.4-android
* tag 'lsk-v4.4-17.05-android': (266 commits)
BACKPORT: mm/slab: clean up DEBUG_PAGEALLOC processing code
Linux 4.4.70
UPSTREAM: arm64: hibernate: Support DEBUG_PAGEALLOC
BACKPORT: arm64: vmlinux.ld: Add mmuoff data sections and move mmuoff text into idmap
BACKPORT: arm64: Create sections.h
ANDROID: uid_sys_stats: defer io stats calulation for dead tasks
ANDROID: AVB: Fix linter errors.
ANDROID: AVB: Fix invalidate_vbmeta_submit().
drivers: char: mem: Check for address space wraparound with mmap()
nfsd: encoders mustn't use unitialized values in error cases
drm/edid: Add 10 bpc quirk for LGD 764 panel in HP zBook 17 G2
PCI: Freeze PME scan before suspending devices
PCI: Fix pci_mmap_fits() for HAVE_PCI_RESOURCE_TO_USER platforms
tracing/kprobes: Enforce kprobes teardown after testing
osf_wait4(): fix infoleak
genirq: Fix chained interrupt data ordering
uwb: fix device quirk on big-endian hosts
metag/uaccess: Check access_ok in strncpy_from_user
metag/uaccess: Fix access_ok()
iommu/vt-d: Flush the IOTLB to get rid of the initial kdump mappings
...
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This is the 4.4.69 stable release
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commit 2859323e35ab5fc42f351fbda23ab544eaa85945 upstream.
When registering an integrity profile: if the template's interval_exp is
not 0 use it, otherwise use the ilog2() of logical block size of the
provided gendisk.
This fixes a long-standing DM linear target bug where it cannot pass
integrity data to the underlying device if its logical block size
conflicts with the underlying device's logical block size.
Reported-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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