Ming Lei b5792c162d block: avoid to reuse hctx not removed from cpuhp callback list ...

[ Upstream commit 85672ca9ce ]

If the 'hctx' isn't removed from cpuhp callback list, we can't reuse it,
otherwise use-after-free may be triggered.

Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202412172217.b906db7c-lkp@intel.com
Tested-by: kernel test robot <oliver.sang@intel.com>
Fixes: 22465bbac5 ("blk-mq: move cpuhp callback registering out of q->sysfs_lock")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20241218101617.3275704-3-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2024-12-27 14:02:12 +01:00

..

partitions

move asm/unaligned.h to linux/unaligned.h

2024-10-02 17:23:23 -04:00

badblocks.c

…

bdev.c

Merge tag 'for-6.12/block-20240925' of git://git.kernel.dk/linux

2024-09-25 14:56:40 -07:00

bfq-cgroup.c

Revert "block, bfq: merge bfq_release_process_ref() into bfq_put_cooperator()"

2024-12-05 14:02:54 +01:00

bfq-iosched.c

block, bfq: fix bfqq uaf in bfq_limit_depth()

2024-12-05 14:03:09 +01:00

bfq-iosched.h

block, bfq: remove bfq_log_bfqg()

2024-09-10 16:32:09 -06:00

bfq-wf2q.c

…

bio-integrity.c

Merge tag 'v6.11' into for-6.12/block

2024-09-17 08:32:53 -06:00

bio.c

block: unpin user pages belonging to a folio at once

2024-09-11 07:24:01 -06:00

blk-cgroup-fc-appid.c

…

blk-cgroup-rwstat.c

…

blk-cgroup-rwstat.h

…

blk-cgroup.c

blk-cgroup: Fix UAF in blkcg_unpin_online()

2024-12-19 18:13:00 +01:00

blk-cgroup.h

blk-cgroup: Remove unused declaration blkg_path()

2024-08-16 15:07:27 -06:00

blk-core.c

block: always verify unfreeze lock on the owner task

2024-12-05 14:03:10 +01:00

blk-crypto-fallback.c

…

blk-crypto-internal.h

…

blk-crypto-profile.c

…

blk-crypto-sysfs.c

…

blk-crypto.c

…

blk-flush.c

…

blk-ia-ranges.c

…

blk-integrity.c

block: fix blk_rq_map_integrity_sg kernel-doc

2024-10-02 07:15:33 -06:00

blk-ioc.c

…

blk-iocost.c

blk-iocost: Avoid using clamp() on inuse in __propagate_weights()

2024-12-19 18:13:22 +01:00

blk-iolatency.c

…

blk-ioprio.c

blk-ioprio: remove per-disk structure

2024-07-28 16:47:51 -06:00

blk-ioprio.h

blk-ioprio: remove per-disk structure

2024-07-28 16:47:51 -06:00

blk-lib.c

block: fix detection of unsupported WRITE SAME in blkdev_issue_write_zeroes

2024-08-28 08:49:25 -06:00

blk-map.c

block: fix queue limits checks in blk_rq_map_user_bvec for real

2024-10-28 12:35:05 -06:00

blk-merge.c

block: fix bio_split_rw_at to take zone_write_granularity into account

2024-12-05 14:01:14 +01:00

blk-mq-cpumap.c

…

blk-mq-debugfs.c

block: Catch possible entries missing from rqf_name[]

2024-07-19 09:32:49 -06:00

blk-mq-debugfs.h

…

blk-mq-pci.c

…

blk-mq-sched.c

…

blk-mq-sched.h

…

blk-mq-sysfs.c

block: Revert "block: Fix potential deadlock while freezing queue and acquiring sysfs_lock"

2024-12-27 14:02:07 +01:00

blk-mq-tag.c

block: Fix lockdep warning in blk_mq_mark_tag_wait

2024-08-15 19:25:03 -06:00

blk-mq-virtio.c

…

blk-mq.c

block: avoid to reuse hctx not removed from cpuhp callback list

2024-12-27 14:02:12 +01:00

blk-mq.h

block: fix ordering between checking BLK_MQ_S_STOPPED request adding

2024-12-05 14:02:55 +01:00

blk-pm.c

…

blk-pm.h

…

blk-rq-qos.c

blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race

2024-10-16 07:20:14 -06:00

blk-rq-qos.h

…

blk-settings.c

blk-settings: round down io_opt to physical_block_size

2024-12-05 14:02:51 +01:00

blk-stat.c

…

blk-stat.h

…

blk-sysfs.c

block: Revert "block: Fix potential deadlock while freezing queue and acquiring sysfs_lock"

2024-12-27 14:02:07 +01:00

blk-throttle.c

Merge tag 'v6.11' into for-6.12/block

2024-09-17 08:32:53 -06:00

blk-throttle.h

blk-throttle: remove last_low_overflow_time

2024-09-10 16:31:41 -06:00

blk-timeout.c

…

blk-wbt.c

…

blk-wbt.h

…

blk-zoned.c

block: get wp_offset by bdev_offset_from_zone_start

2024-12-19 18:13:16 +01:00

blk.h

block: always verify unfreeze lock on the owner task

2024-12-05 14:03:10 +01:00

bounce.c

…

bsg-lib.c

…

bsg.c

…

disk-events.c

…

early-lookup.c

…

elevator.c

block: don't verify IO lock for freeze/unfreeze in elevator_init_mq()

2024-12-05 14:03:10 +01:00

elevator.h

block: Prevent deadlocks when switching elevators

2024-09-10 13:43:42 -06:00

fops.c

block: Don't allow an atomic write be truncated in blkdev_write_iter()

2024-12-05 14:03:08 +01:00

genhd.c

block: fix uaf for flush rq while iterating tags

2024-12-05 14:03:06 +01:00

holder.c

…

ioctl.c

block: implement async io_uring discard cmd

2024-09-11 10:45:28 -06:00

ioprio.c

…

Kconfig

…

Kconfig.iosched

…

kyber-iosched.c

…

Makefile

…

mq-deadline.c

…

opal_proto.h

…

sed-opal.c

…

t10-pi.c

move asm/unaligned.h to linux/unaligned.h

2024-10-02 17:23:23 -04:00