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Ming Lei 858c489d81 block: fix q->blkg_list corruption during disk rebind 
[ Upstream commit 8b8ace0803 ]

Multiple gendisk instances can allocated/added for single request queue
in case of disk rebind. blkg may still stay in q->blkg_list when calling
blkcg_init_disk() for rebind, then q->blkg_list becomes corrupted.

Fix the list corruption issue by:

- add blkg_init_queue() to initialize q->blkg_list & q->blkcg_mutex only
- move calling blkg_init_queue() into blk_alloc_queue()

The list corruption should be started since commit f1c006f1c6 ("blk-cgroup:
synchronize pd_free_fn() from blkg_free_workfn() and blkcg_deactivate_policy()")
which delays removing blkg from q->blkg_list into blkg_free_workfn().

Fixes: f1c006f1c6 ("blk-cgroup: synchronize pd_free_fn() from blkg_free_workfn() and blkcg_deactivate_policy()")
Fixes: 1059699f87 ("block: move blkcg initialization/destroy into disk allocation/release handler")
Cc: Yu Kuai <yukuai3@huawei.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240407125910.4053377-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2024-04-17 11:23:28 +02:00
..
partitions block: Move checking GENHD_FL_NO_PART to bdev_add_partition() 2024-01-22 09:51:29 -07:00
Kconfig block: Add config option to not allow writing to mounted devices 2023-11-18 14:59:25 +01:00
Kconfig.iosched block: Default to use cgroup support for BFQ 2023-01-30 09:42:42 -07:00
Makefile block: move the code to do early boot lookup of block devices to block/ 2023-06-05 10:57:40 -06:00
badblocks.c badblocks: avoid checking invalid range in badblocks_check() 2023-12-23 18:38:08 -07:00
bdev.c block: count BLK_OPEN_RESTRICT_WRITES openers 2024-04-10 16:38:10 +02:00
bfq-cgroup.c blkcg: Restructure blkg_conf_prep() and friends 2023-04-13 06:46:49 -06:00
bfq-iosched.c SCSI misc on 20230629 2023-06-30 11:57:07 -07:00
bfq-iosched.h block, bfq: remove BFQ_WEIGHT_LEGACY_DFL 2023-04-06 16:17:32 -06:00
bfq-wf2q.c block, bfq: inject I/O to underutilized actuators 2023-01-29 15:18:33 -07:00
bio-integrity.c block: bio-integrity: fix kcalloc() arguments order 2024-01-16 09:51:22 -07:00
bio.c block: Fix page refcounts for unaligned buffers in __bio_release_pages() 2024-04-03 15:32:14 +02:00
blk-cgroup-fc-appid.c block: Replace all non-returning strlcpy with strscpy 2023-06-01 09:13:31 -06:00
blk-cgroup-rwstat.c Revert "blk-cgroup: pin the gendisk in struct blkcg_gq" 2023-02-14 14:24:09 -07:00
blk-cgroup-rwstat.h block: Use the new blk_opf_t type 2022-07-14 12:14:30 -06:00
blk-cgroup.c block: fix q->blkg_list corruption during disk rebind 2024-04-17 11:23:28 +02:00
blk-cgroup.h block: fix q->blkg_list corruption during disk rebind 2024-04-17 11:23:28 +02:00
blk-core.c block: fix q->blkg_list corruption during disk rebind 2024-04-17 11:23:28 +02:00
blk-crypto-fallback.c blk-crypto: dynamically allocate fallback profile 2023-08-18 15:00:39 -06:00
blk-crypto-internal.h blk-crypto: remove blk_crypto_insert_cloned_request() 2023-03-16 09:35:09 -06:00
blk-crypto-profile.c blk-crypto: use dynamic lock class for blk_crypto_profile::lock 2023-07-05 16:36:12 -06:00
blk-crypto-sysfs.c block: make kobj_type structures constant 2023-02-09 09:38:16 -07:00
blk-crypto.c blk-crypto: make blk_crypto_evict_key() more robust 2023-03-16 09:35:09 -06:00
blk-flush.c blk-mq: remove RQF_MQ_INFLIGHT 2023-09-22 08:52:13 -06:00
blk-ia-ranges.c block: make kobj_type structures constant 2023-02-09 09:38:16 -07:00
blk-integrity.c blk-integrity: register sysfs attributes on struct device 2023-04-26 18:22:50 -06:00
blk-ioc.c blk-ioc: fix recursive spin_lock/unlock_irq() in ioc_clear_queue() 2023-06-07 07:51:00 -06:00
blk-iocost.c blk-iocost: Fix an UBSAN shift-out-of-bounds warning 2024-02-08 10:11:39 -07:00
blk-iolatency.c block: fix bad lockdep annotation in blk-iolatency 2023-08-10 17:24:53 -06:00
blk-ioprio.c blk-ioprio: Introduce promote-to-rt policy 2023-06-06 22:26:26 -06:00
blk-ioprio.h blk-ioprio: pass a gendisk to blk_ioprio_init and blk_ioprio_exit 2022-09-26 19:09:31 -06:00
blk-lib.c blk-lib: fix blkdev_issue_secure_erase 2022-09-15 00:25:17 -06:00
blk-map.c block: Fix WARNING in _copy_from_iter 2024-01-23 08:56:55 -07:00
blk-merge.c block: remove two comments in bio_split_discard 2023-12-29 08:44:12 -07:00
blk-mq-cpumap.c blk-mq: include <linux/blk-mq.h> in block/blk-mq.h 2023-04-13 06:52:29 -06:00
blk-mq-debugfs-zoned.c block: move zone related fields to struct gendisk 2022-07-06 06:46:26 -06:00
blk-mq-debugfs.c blk-mq: Remove the hctx 'run' debugfs attribute 2024-01-17 14:16:34 -07:00
blk-mq-debugfs.h block: remove per-disk debugfs files in blk_unregister_queue 2022-06-17 07:31:05 -06:00
blk-mq-pci.c blk-mq: include <linux/blk-mq.h> in block/blk-mq.h 2023-04-13 06:52:29 -06:00
blk-mq-sched.c blk-mq: Remove the hctx 'run' debugfs attribute 2024-01-17 14:16:34 -07:00
blk-mq-sched.h blk-mq: make sure elevator callbacks aren't called for passthrough request 2023-05-18 19:42:54 -06:00
blk-mq-sysfs.c blk-mq: include <linux/blk-mq.h> in block/blk-mq.h 2023-04-13 06:52:29 -06:00
blk-mq-tag.c for-6.5/block-2023-06-23 2023-06-26 12:47:20 -07:00
blk-mq-virtio.c blk-mq: include <linux/blk-mq.h> in block/blk-mq.h 2023-04-13 06:52:29 -06:00
blk-mq.c block: Do not force full zone append completion in req_bio_endio() 2024-04-03 15:32:40 +02:00
blk-mq.h blk-mq: update driver tags request table when start request 2023-09-22 08:52:13 -06:00
blk-pm.c block: Remove blk_set_runtime_active() 2023-11-20 10:22:40 -07:00
blk-pm.h
…
blk-rq-qos.c block: correct stale comment in rq_qos_wait 2023-09-18 14:15:28 -06:00
blk-rq-qos.h block: skip QUEUE_FLAG_STATS and rq-qos for passthrough io 2023-12-01 18:29:18 -07:00
blk-settings.c block: Clear zone limits for a non-zoned stacked queue 2024-04-03 15:32:06 +02:00
blk-stat.c block: prevent division by zero in blk_rq_stat_sum() 2024-04-13 13:10:07 +02:00
blk-stat.h
…
blk-sysfs.c for-6.8/block-2024-01-08 2024-01-11 13:58:04 -08:00
blk-throttle.c blk-throttle: fix lockdep warning of "cgroup_mutex or RCU read lock required!" 2023-11-17 10:48:58 -07:00
blk-throttle.h blk-throttle: print signed value 'carryover_bytes/ios' for user 2023-08-30 10:15:01 -06:00
blk-timeout.c
…
blk-wbt.c blk-wbt: Fix detection of dirty-throttled tasks 2024-02-06 09:44:03 -07:00
blk-wbt.h blk-wbt: remove the separate write cache tracking 2023-12-26 09:28:10 -07:00
blk-zoned.c block: Treat sequential write preferred zone type as invalid 2024-01-08 08:34:24 -07:00
blk.h block: simplify disk_set_zoned 2023-12-19 20:17:43 -07:00
bounce.c block: change the blk_queue_bounce calling convention 2022-08-02 17:22:54 -06:00
bsg-lib.c scsi: replace the fmode_t argument to ->sg_io_fn with a simple bool 2023-06-12 08:04:04 -06:00
bsg.c SCSI misc on 20230629 2023-06-30 11:57:07 -07:00
disk-events.c block: move bdev_mark_dead out of disk_check_media_change 2023-10-28 13:29:23 +02:00
early-lookup.c block: don't return -EINVAL for not found names in devt_from_devname 2023-06-22 09:09:33 -06:00
elevator.c blk-mq: release scheduler resource when request completes 2023-08-19 07:47:17 -06:00
elevator.h blk-mq: pass a flags argument to elevator_type->insert_requests 2023-04-13 06:52:30 -06:00
fops.c fs: convert block_write_full_page to block_write_full_folio 2023-12-29 11:58:35 -08:00
genhd.c block: add check of 'minors' and 'first_minor' in device_add_disk() 2023-12-19 08:23:12 -07:00
holder.c block: fix deadlock between bd_link_disk_holder and partition scan 2024-03-26 18:16:27 -04:00
ioctl.c block: Move checking GENHD_FL_NO_PART to bdev_add_partition() 2024-01-22 09:51:29 -07:00
ioprio.c block: move __get_task_ioprio() into header file 2024-01-08 12:27:39 -07:00
kyber-iosched.c blk-mq: pass a flags argument to elevator_type->insert_requests 2023-04-13 06:52:30 -06:00
mq-deadline.c Revert "block/mq-deadline: use correct way to throttling write requests" 2024-04-03 15:32:22 +02:00
opal_proto.h block: sed-opal: handle empty atoms when parsing response 2024-02-16 15:52:45 -07:00
sed-opal.c block: sed-opal: handle empty atoms when parsing response 2024-02-16 15:52:45 -07:00
t10-pi.c block: add pi for extended integrity 2022-03-07 12:48:35 -07:00