linux-stable/block
Yang Yang 450d03435c blk-mq: move cancel of hctx->run_work to the front of blk_exit_queue
[ Upstream commit 47ce030b7a ]

blk_exit_queue will free elevator_data, while blk_mq_run_work_fn
will access it. Move cancel of hctx->run_work to the front of
blk_exit_queue to avoid use-after-free.

Fixes: 1b97871b50 ("blk-mq: move cancel of hctx->run_work into blk_mq_hw_sysfs_release")
Signed-off-by: Yang Yang <yang.yang@vivo.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-10-29 09:57:34 +01:00
..
partitions
badblocks.c
bfq-cgroup.c bfq: fix blkio cgroup leakage v4 2020-09-03 11:26:54 +02:00
bfq-iosched.c block: only call sched requeue_request() for scheduled requests 2020-09-23 12:40:37 +02:00
bfq-iosched.h bfq: fix blkio cgroup leakage v4 2020-09-03 11:26:54 +02:00
bfq-wf2q.c bfq: fix blkio cgroup leakage v4 2020-09-03 11:26:54 +02:00
bio-integrity.c block: release bip in a right way in error path 2020-07-16 08:16:36 +02:00
bio.c block/diskstats: more accurate approximation of io_ticks for slow disks 2020-10-07 08:01:29 +02:00
blk-cgroup.c blkcg: fix memleak for iolatency 2020-09-03 11:26:55 +02:00
blk-core.c block/diskstats: more accurate approximation of io_ticks for slow disks 2020-10-07 08:01:29 +02:00
blk-exec.c
blk-flush.c blk-mq: insert passthrough request into hctx->dispatch directly 2020-03-21 08:11:52 +01:00
blk-integrity.c
blk-ioc.c block: Fix use-after-free issue accessing struct io_cq 2020-04-17 10:50:04 +02:00
blk-iocost.c blk-iocost: ioc_pd_free() shouldn't assume irq disabled 2020-09-09 19:12:35 +02:00
blk-iolatency.c
blk-lib.c
blk-map.c
blk-merge.c block: fix get_max_io_size() 2020-09-03 11:27:01 +02:00
blk-mq-cpumap.c
blk-mq-debugfs-zoned.c
blk-mq-debugfs.c blk-mq-debugfs: update blk_queue_flag_name[] accordingly for new flags 2020-07-22 09:32:52 +02:00
blk-mq-debugfs.h
blk-mq-pci.c
blk-mq-rdma.c
blk-mq-sched.c blk-mq: order adding requests to hctx->dispatch and checking SCHED_RESTART 2020-09-03 11:27:01 +02:00
blk-mq-sched.h block: only call sched requeue_request() for scheduled requests 2020-09-23 12:40:37 +02:00
blk-mq-sysfs.c blk-mq: move cancel of hctx->run_work to the front of blk_exit_queue 2020-10-29 09:57:34 +01:00
blk-mq-tag.c
blk-mq-tag.h
blk-mq-virtio.c
blk-mq.c blk-mq: order adding requests to hctx->dispatch and checking SCHED_RESTART 2020-09-03 11:27:01 +02:00
blk-mq.h blk-mq: insert passthrough request into hctx->dispatch directly 2020-03-21 08:11:52 +01:00
blk-pm.c
blk-pm.h
blk-rq-qos.c
blk-rq-qos.h
blk-settings.c block: keep bdi->io_pages in sync with max_sectors_kb for stacked devices 2020-04-17 10:50:01 +02:00
blk-softirq.c
blk-stat.c
blk-stat.h
blk-sysfs.c blk-mq: move cancel of hctx->run_work to the front of blk_exit_queue 2020-10-29 09:57:34 +01:00
blk-throttle.c
blk-timeout.c
blk-wbt.c
blk-wbt.h
blk-zoned.c
blk.h
bounce.c
bsg-lib.c
bsg.c
cmdline-parser.c
compat_ioctl.c
elevator.c
genhd.c
ioctl.c
ioprio.c
Kconfig
Kconfig.iosched
kyber-iosched.c
Makefile
mq-deadline.c
opal_proto.h
partition-generic.c
scsi_ioctl.c
sed-opal.c
t10-pi.c