Ming Lei dbc635c4be ublk: move ublk_mark_io_ready() out of __ublk_fetch() ...

ublk_batch_prep_io() calls __ublk_fetch() while holding io->lock
spinlock. When the last IO makes the device ready, ublk_mark_io_ready()
tries to acquire ub->cancel_mutex which can sleep, causing a
sleeping-while-atomic bug.

Fix by moving ublk_mark_io_ready() out of __ublk_fetch() and into the
callers (ublk_fetch and ublk_batch_prep_io) after the spinlock is
released.

Reported-by: Jens Axboe <axboe@kernel.dk>
Fixes: b256795b36 ("ublk: handle UBLK_U_IO_PREP_IO_CMDS")
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

2026-01-23 05:11:02 -07:00

..

aoe

Merge tag 'mm-stable-2025-10-01-19-00' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2025-10-02 18:18:33 -07:00

drbd

Merge tag 'for-6.19/block-20251201' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux

2025-12-03 19:26:18 -08:00

mtip32xx

block: switch ->getgeo() to struct gendisk

2025-08-13 02:59:29 -04:00

null_blk

null_blk: Constify struct configfs_item_operations and configfs_group_operations

2025-12-29 08:19:15 -07:00

rnbd

rnbd-srv: Zero the rsp buffer before using it

2026-01-06 05:28:10 -07:00

rnull

rnull: replace kernel::c_str! with C-Strings

2025-12-28 15:54:38 -07:00

xen-blkback

xen/blkback: convert timeouts to secs_to_jiffies()

2025-01-12 20:21:03 -08:00

zram

zram: fix a spelling mistake

2025-11-29 10:41:08 -08:00

amiflop.c

block: switch ->getgeo() to struct gendisk

2025-08-13 02:59:29 -04:00

ataflop.c

treewide: Switch/rename to timer_delete[_sync]()

2025-04-05 10:30:12 +02:00

brd.c

brd: replace simple_strtol with kstrtoul in ramdisk_size

2025-12-28 15:54:38 -07:00

floppy.c

floppy: fix for PAGE_SIZE != 4KB

2025-11-17 08:22:00 -07:00

Kconfig

rbd: stop selecting CRC32, CRYPTO, and CRYPTO_AES

2025-12-10 11:50:54 +01:00

loop.c

loop: add missing bd_abort_claiming in loop_set_status

2026-01-07 08:04:42 -07:00

Makefile

rnull: move driver to separate directory

2025-09-02 05:23:56 -06:00

n64cart.c

block: move the nonrot flag to queue_limits

2024-06-19 07:58:28 -06:00

nbd.c

Merge tag 'for-6.19/block-20251201' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux

2025-12-03 19:26:18 -08:00

ps3disk.c

ps3disk: use memcpy_{from,to}_bvec index

2025-11-14 09:10:16 -07:00

ps3vram.c

block: pass a queue_limits argument to blk_alloc_disk

2024-02-19 16:58:23 -07:00

rbd_types.h

…

rbd.c

drivers/block: WQ_PERCPU added to alloc_workqueue users

2025-09-09 09:11:31 -06:00

sunvdc.c

drivers/block: WQ_PERCPU added to alloc_workqueue users

2025-09-09 09:11:31 -06:00

swim3.c

treewide, timers: Rename from_timer() to timer_container_of()

2025-06-08 09:07:37 +02:00

swim_asm.S

…

swim.c

block: switch ->getgeo() to struct gendisk

2025-08-13 02:59:29 -04:00

ublk_drv.c

ublk: move ublk_mark_io_ready() out of __ublk_fetch()

2026-01-23 05:11:02 -07:00

virtio_blk.c

virtio_blk: NULL out vqs to avoid double free on failed resume

2025-11-06 16:32:58 -07:00

xen-blkfront.c

block: switch ->getgeo() to struct gendisk

2025-08-13 02:59:29 -04:00

z2ram.c

block: remove BLK_MQ_F_SHOULD_MERGE

2024-12-23 08:17:23 -07:00

zloop.c

zloop: use READ_ONCE() to read lo->lo_state in queue_rq path

2025-12-15 09:32:42 -07:00