Yu Kuai d81c6c98d4 block: fix wrong mode for blkdev_put() from disk_scan_partitions() ...

[ Upstream commit 428913bce1 ]

If disk_scan_partitions() is called with 'FMODE_EXCL',
blkdev_get_by_dev() will be called without 'FMODE_EXCL', however, follow
blkdev_put() is still called with 'FMODE_EXCL', which will cause
'bd_holders' counter to leak.

Fix the problem by using the right mode for blkdev_put().

Reported-by: syzbot+2bcc0d79e548c4f62a59@syzkaller.appspotmail.com
Link: https://lore.kernel.org/lkml/f9649d501bc8c3444769418f6c26263555d9d3be.camel@linux.ibm.com/T/
Tested-by: Julian Ruess <julianr@linux.ibm.com>
Fixes: e5cfefa97b ("block: fix scan partition for exclusively open device again")
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2023-03-17 08:57:58 +01:00

..

partitions

block: don't add partitions if GD_SUPPRESS_PART_SCAN is set

2022-09-03 11:29:03 -06:00

badblocks.c

…

bdev.c

block: bdev & blktrace: use consistent function doc. notation

2022-12-01 09:16:46 -07:00

bfq-cgroup.c

block, bfq: fix uaf for bfqq in bic_set_bfqq()

2023-01-29 18:57:01 -07:00

bfq-iosched.c

block, bfq: fix uaf for bfqq in bic_set_bfqq()

2023-01-29 18:57:01 -07:00

bfq-iosched.h

block, bfq: switch 'bfqg->ref' to use atomic refcount apis

2023-01-15 20:53:27 -07:00

bfq-wf2q.c

block, bfq: only do counting of pending-request for BFQ_GROUP_IOSCHED

2022-12-15 05:11:59 -07:00

bio-integrity.c

block: bio-integrity: Copy flags when bio_integrity_payload is cloned

2023-03-10 09:27:57 +01:00

bio.c

block: clear bio->bi_bdev when putting a bio back in the cache

2023-03-10 09:29:22 +01:00

blk-cgroup-fc-appid.c

cgroup: Homogenize cgroup_get_from_id() return value

2022-08-26 10:57:41 -10:00

blk-cgroup-rwstat.c

…

blk-cgroup-rwstat.h

block: Use the new blk_opf_t type

2022-07-14 12:14:30 -06:00

blk-cgroup.c

Revert "blk-cgroup: dropping parent refcount after pd_free_fn() is done"

2023-03-11 11:04:54 +01:00

blk-cgroup.h

blk-cgroup: Optimize blkcg_rstat_flush()

2022-11-16 16:58:44 -07:00

blk-core.c

block: be a bit more careful in checking for NULL bdev while polling

2023-03-10 09:29:22 +01:00

blk-crypto-fallback.c

treewide: use get_random_bytes() when possible

2022-10-11 17:42:58 -06:00

blk-crypto-internal.h

blk-crypto: pass a gendisk to blk_crypto_sysfs_{,un}register

2022-11-30 11:09:00 -07:00

blk-crypto-profile.c

blk-crypto: Add a missing include directive

2022-11-23 10:38:54 -07:00

blk-crypto-sysfs.c

block: untangle request_queue refcounting from sysfs

2022-11-30 11:09:00 -07:00

blk-crypto.c

Merge tag 'for-6.2/block-2022-12-08' of git://git.kernel.dk/linux

2022-12-13 10:43:59 -08:00

blk-flush.c

block: change request end_io handler to pass back a return value

2022-09-30 07:49:09 -06:00

blk-ia-ranges.c

block: untangle request_queue refcounting from sysfs

2022-11-30 11:09:00 -07:00

blk-integrity.c

…

blk-ioc.c

…

blk-iocost.c

blk-iocost: fix divide by 0 error in calc_lcoefs()

2023-03-10 09:29:05 +01:00

blk-iolatency.c

treewide: Convert del_timer*() to timer_shutdown*()

2022-12-25 13:38:09 -08:00

blk-ioprio.c

blk-ioprio: pass a gendisk to blk_ioprio_init and blk_ioprio_exit

2022-09-26 19:09:31 -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: set FOLL_PCI_P2PDMA in bio_map_user_iov()

2022-11-09 11:29:21 -07:00

blk-merge.c

block: use proper return value from bio_failfast()

2023-03-10 09:27:58 +01:00

blk-mq-cpumap.c

block: Change the return type of blk_mq_map_queues() into void

2022-08-22 10:07:53 -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

Merge tag 'for-6.1/block-2022-10-03' of git://git.kernel.dk/linux

2022-10-07 09:19:14 -07:00

blk-mq-debugfs.h

…

blk-mq-pci.c

block: Change the return type of blk_mq_map_queues() into void

2022-08-22 10:07:53 -06:00

blk-mq-rdma.c

block: Change the return type of blk_mq_map_queues() into void

2022-08-22 10:07:53 -06:00

blk-mq-sched.c

blk-mq: correct stale comment of .get_budget

2023-03-10 09:27:55 +01:00

blk-mq-sched.h

…

blk-mq-sysfs.c

blk-mq: fix possible memleak when register 'hctx' failed

2022-11-25 06:34:03 -07:00

blk-mq-tag.c

sbitmap: fix batched wait_cnt accounting

2022-09-12 00:10:34 -06:00

blk-mq-tag.h

blk-mq: blk_mq_tag_busy is no need to return a value

2022-06-27 06:29:12 -06:00

blk-mq-virtio.c

block: Change the return type of blk_mq_map_queues() into void

2022-08-22 10:07:53 -06:00

blk-mq.c

blk-mq: Fix potential io hung for shared sbitmap per tagset

2023-03-10 09:27:54 +01:00

blk-mq.h

blk-mq: move the srcu_struct used for quiescing to the tagset

2022-11-02 08:35:34 -06:00

blk-pm.c

…

blk-pm.h

…

blk-rq-qos.c

block/rq_qos: Use atomic_try_cmpxchg in atomic_inc_below

2022-07-12 14:38:52 -06:00

blk-rq-qos.h

block/blk-rq-qos: delete useless enmu RQ_QOS_IOPRIO

2022-09-21 19:50:53 -06:00

blk-settings.c

Merge tag 'for-6.2/block-2022-12-08' of git://git.kernel.dk/linux

2022-12-13 10:43:59 -08:00

blk-stat.c

…

blk-stat.h

…

blk-sysfs.c

block: untangle request_queue refcounting from sysfs

2022-11-30 11:09:00 -07:00

blk-throttle.c

blk-throttle: Use more suitable time_after check for update of slice_start

2022-12-05 13:45:31 -07:00

blk-throttle.h

blk-throttle: pass a gendisk to blk_throtl_cancel_bios

2022-09-26 19:17:28 -06:00

blk-timeout.c

…

blk-wbt.c

blk-wbt: don't enable throttling if default elevator is bfq

2022-10-23 18:59:17 -06:00

blk-wbt.h

blk-wbt: don't show valid wbt_lat_usec in sysfs while wbt is disabled

2022-10-23 18:59:17 -06:00

blk-zoned.c

block: adapt blk_mq_plug() to not plug for writes that require a zone lock

2022-09-29 07:45:47 -06:00

blk.h

block: Revert "block: Do not reread partition table on exclusively open device"

2023-03-17 08:57:50 +01:00

bounce.c

block: change the blk_queue_bounce calling convention

2022-08-02 17:22:54 -06:00

bsg-lib.c

blk-mq: move the call to blk_put_queue out of blk_mq_destroy_queue

2022-10-25 08:25:10 -06:00

bsg.c

Merge tag 'driver-core-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

2022-12-16 03:54:54 -08:00

disk-events.c

…

elevator.c

block: untangle request_queue refcounting from sysfs

2022-11-30 11:09:00 -07:00

elevator.h

block: add proper helpers for elevator_type module refcount management

2022-10-23 18:59:17 -06:00

fops.c

block: don't allow multiple bios for IOCB_NOWAIT issue

2023-03-10 09:29:22 +01:00

genhd.c

block: fix wrong mode for blkdev_put() from disk_scan_partitions()

2023-03-17 08:57:58 +01:00

holder.c

block: don't allow a disk link holder to itself

2022-11-16 15:19:56 -07:00

ioctl.c

block: fix scan partition for exclusively open device again

2023-03-17 08:57:50 +01:00

ioprio.c

block: Fix handling of tasks without ioprio in ioprio_get(2)

2022-06-27 06:29:12 -06:00

Kconfig

block: Remove "select SRCU"

2023-01-05 08:50:10 -07:00

Kconfig.iosched

…

kyber-iosched.c

treewide: Convert del_timer*() to timer_shutdown*()

2022-12-25 13:38:09 -08:00

Makefile

…

mq-deadline.c

block: mq-deadline: Rename deadline_is_seq_writes()

2022-11-28 19:27:45 -07:00

opal_proto.h

block: sed-opal: Add ioctl to return device status

2022-08-22 07:52:51 -06:00

sed-opal.c

Merge tag 'for-6.2/block-2022-12-08' of git://git.kernel.dk/linux

2022-12-13 10:43:59 -08:00

t10-pi.c

…