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5fd7a84a09
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Ming Lei 5fd7a84a09 blk-mq: protect q->elevator by ->sysfs_lock in blk_mq_elv_switch_none 
elevator can be tore down by sysfs switch interface or disk release, so
hold ->sysfs_lock before referring to q->elevator, then potential
use-after-free can be avoided.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20220616014401.817001-2-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-06-16 14:45:15 -06:00
..
partitions for-5.19/drivers-2022-05-22 2022-05-23 14:04:14 -07:00
badblocks.c block/badblocks: Remove redundant assignments 2022-04-23 07:15:26 -06:00
bdev.c Description for this pull request: 2022-05-24 18:30:27 -07:00
bfq-cgroup.c bfq: Make sure bfqg for which we are queueing requests is online 2022-04-17 19:34:32 -06:00
bfq-iosched.c for-5.19/block-2022-05-22 2022-05-23 13:56:39 -07:00
bfq-iosched.h bfq: Relax waker detection for shared queues 2022-05-19 06:52:33 -06:00
bfq-wf2q.c block, bfq: cleanup bfq_bfqq_to_bfqg() 2022-02-18 06:13:00 -07:00
bio-integrity.c for-5.18/block-2022-03-18 2022-03-21 16:48:55 -07:00
bio.c block: remove bioset_init_from_src 2022-06-08 14:04:14 -04:00
blk-cgroup-fc-appid.c blk-cgroup: move blkcg_{get,set}_fc_appid out of line 2022-05-02 14:06:20 -06:00
blk-cgroup-rwstat.c blk-cgroup: Fix the recursive blkg rwstat 2021-03-05 11:32:15 -07:00
blk-cgroup-rwstat.h block: partition include/linux/blk-cgroup.h 2022-02-11 10:02:41 -07:00
blk-cgroup.c block: fix bio_clone_blkg_association() to associate with proper blkcg_gq 2022-06-02 02:15:05 -06:00
blk-cgroup.h blk-cgroup: always terminate io.stat lines 2022-05-17 06:11:17 -06:00
blk-core.c for-5.19/block-2022-06-02 2022-06-03 10:14:48 -07:00
blk-crypto-fallback.c block: remove superfluous calls to blkcg_bio_issue_init 2022-05-04 18:29:52 -06:00
blk-crypto-internal.h blk-crypto: show crypto capabilities in sysfs 2022-02-28 06:40:23 -07:00
blk-crypto-profile.c blk-crypto: remove blk_crypto_unregister() 2021-11-29 06:38:51 -07:00
blk-crypto-sysfs.c blk-crypto: show crypto capabilities in sysfs 2022-02-28 06:40:23 -07:00
blk-crypto.c blk-crypto: show crypto capabilities in sysfs 2022-02-28 06:40:23 -07:00
blk-flush.c block: pass a block_device and opf to bio_init 2022-02-02 07:49:59 -07:00
blk-ia-ranges.c block: Fix potential deadlock in blk_ia_range_sysfs_show() 2022-06-02 23:02:37 -06:00
blk-integrity.c blk-crypto: remove blk_crypto_unregister() 2021-11-29 06:38:51 -07:00
blk-ioc.c block: restore the old set_task_ioprio() behaviour wrt PF_EXITING 2022-03-28 06:34:11 -06:00
blk-iocost.c for-5.19/block-2022-05-22 2022-05-23 13:56:39 -07:00
blk-iolatency.c blk-iolatency: Fix inflight count imbalances and IO hangs on offline 2022-05-26 11:43:00 -06:00
blk-ioprio.c block: partition include/linux/blk-cgroup.h 2022-02-11 10:02:41 -07:00
blk-ioprio.h block: Introduce the ioprio rq-qos policy 2021-06-21 15:03:40 -06:00
blk-lib.c block: decouple REQ_OP_SECURE_ERASE from REQ_OP_DISCARD 2022-04-17 19:49:59 -06:00
blk-map.c block/blk-map: Remove redundant assignment 2022-04-23 07:15:26 -06:00
blk-merge.c for-5.18/write-streams-2022-03-18 2022-03-26 11:51:46 -07:00
blk-mq-cpumap.c blk-mq: remove the calling of local_memory_node() 2020-10-20 07:08:17 -06:00
blk-mq-debugfs-zoned.c
blk-mq-debugfs.c block: decouple REQ_OP_SECURE_ERASE from REQ_OP_DISCARD 2022-04-17 19:49:59 -06:00
blk-mq-debugfs.h blk-mq: manage hctx map via xarray 2022-03-08 19:39:38 -07:00
blk-mq-pci.c block: Fix blk_mq_*_map_queues() kernel-doc headers 2019-05-31 15:12:34 -06:00
blk-mq-rdma.c block: Fix blk_mq_*_map_queues() kernel-doc headers 2019-05-31 15:12:34 -06:00
blk-mq-sched.c block: limit request dispatch loop duration 2022-03-17 20:31:43 -06:00
blk-mq-sched.h block: move blk_mq_sched_assign_ioc to blk-ioc.c 2021-11-29 06:41:29 -07:00
blk-mq-sysfs.c blk-mq: prepare for implementing hctx table via xarray 2022-03-08 17:57:19 -07:00
blk-mq-tag.c block: remove useless BUG_ON() in blk_mq_put_tag() 2022-06-02 02:05:56 -06:00
blk-mq-tag.h blk-mq: Delete busy_iter_fn 2021-12-06 13:18:47 -07:00
blk-mq-virtio.c blk-mq: Fix typo in comment 2020-03-17 20:55:21 +01:00
blk-mq.c blk-mq: protect q->elevator by ->sysfs_lock in blk_mq_elv_switch_none 2022-06-16 14:45:15 -06:00
blk-mq.h blk-mq: manage hctx map via xarray 2022-03-08 19:39:38 -07:00
blk-pm.c scsi: block: pm: Always set request queue runtime active in blk_post_runtime_resume() 2021-12-22 23:38:29 -05:00
blk-pm.h block: Remove unused blk_pm_*() function definitions 2021-02-22 06:33:48 -07:00
blk-rq-qos.c rq-qos: fix missed wake-ups in rq_qos_throttle try two 2021-06-08 15:12:57 -06:00
blk-rq-qos.h block: fix rq-qos breakage from skipping rq_qos_done_bio() 2022-03-14 14:23:13 -06:00
blk-settings.c block: decouple REQ_OP_SECURE_ERASE from REQ_OP_DISCARD 2022-04-17 19:49:59 -06:00
blk-stat.c block: make queue stat accounting a reference 2021-12-14 17:23:05 -07:00
blk-stat.h block: make queue stat accounting a reference 2021-12-14 17:23:05 -07:00
blk-sysfs.c SCSI misc on 20220324 2022-03-24 19:37:53 -07:00
blk-throttle.c blk-throttle: Set BIO_THROTTLED when bio has been throttled 2022-05-17 19:32:10 -06:00
blk-throttle.h block: cancel all throttled bios in del_gendisk() 2022-03-18 09:57:56 -06:00
blk-timeout.c block: blk-timeout: delete duplicated word 2020-07-31 16:29:47 -06:00
blk-wbt.c blk-wbt: prevent NULL pointer dereference in wb_timer_fn 2021-10-19 06:13:41 -06:00
blk-wbt.h blk-wbt: remove wbt_track stub 2022-03-31 12:58:38 -06:00
blk-zoned.c SCSI misc on 20220324 2022-03-24 19:37:53 -07:00
blk.h block: refactor discard bio size limiting 2022-04-17 19:49:59 -06:00
bounce.c block: remove superfluous calls to blkcg_bio_issue_init 2022-05-04 18:29:52 -06:00
bsg-lib.c block: remove the gendisk argument to blk_execute_rq 2021-11-29 06:41:29 -07:00
bsg.c scsi: bsg: Fix device unregistration 2021-09-14 00:22:15 -04:00
disk-events.c block: remove genhd.h 2022-02-02 07:49:59 -07:00
elevator.c for-5.18/block-2022-03-18 2022-03-21 16:48:55 -07:00
elevator.h block: move elevator.h to block/ 2021-10-18 06:17:01 -06:00
fops.c Page cache changes for 5.19 2022-05-24 19:55:07 -07:00
genhd.c block, loop: support partitions without scanning 2022-05-27 06:39:00 -06:00
holder.c block: remove genhd.h 2022-02-02 07:49:59 -07:00
ioctl.c block: decouple REQ_OP_SECURE_ERASE from REQ_OP_DISCARD 2022-04-17 19:49:59 -06:00
ioprio.c for-5.17/block-2022-01-11 2022-01-12 10:26:52 -08:00
Kconfig block: add pi for extended integrity 2022-03-07 12:48:35 -07:00
Kconfig.iosched block: only build the icq tracking code when needed 2021-12-16 10:59:02 -07:00
kyber-iosched.c block: make queue stat accounting a reference 2021-12-14 17:23:05 -07:00
Makefile blk-cgroup: move blkcg_{get,set}_fc_appid out of line 2022-05-02 14:06:20 -06:00
mq-deadline.c block/mq-deadline: Set the fifo_time member also if inserting at head 2022-05-13 17:02:46 -06:00
opal_proto.h block: sed-opal: Change the check condition for regular session validity 2020-03-12 08:00:10 -06:00
sed-opal.c block: remove genhd.h 2022-02-02 07:49:59 -07:00
t10-pi.c block: add pi for extended integrity 2022-03-07 12:48:35 -07:00