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6f1637795f
linux/drivers/block
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Ming Lei 6f1637795f zram: fix race between zram_reset_device() and disksize_store() 
When the ->init_lock is released in zram_reset_device(), disksize_store()
can come in and try to allocate meta, but zram_reset_device() is freeing
free meta, so cause races.

Link: https://lore.kernel.org/linux-block/20210927163805.808907-1-mcgrof@kernel.org/T/#mc617f865a3fa2778e40f317ddf48f6447c20c073
Reported-by: Luis Chamberlain <mcgrof@kernel.org>
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Link: https://lore.kernel.org/r/20211025025426.2815424-2-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-11-02 14:43:12 -06:00
..
aoe block: aoe: fixup coccinelle warnings 2021-10-21 08:54:15 -06:00
drbd drbd: add error handling support for add_disk() 2021-10-18 14:41:36 -06:00
mtip32xx mtip32xx: Remove redundant 'flush_workqueue()' calls 2021-10-18 14:50:37 -06:00
null_blk null_blk: Fix handling of submit_queues and poll_queues attributes 2021-10-29 06:55:39 -06:00
paride pf: fix error codes in pf_init_unit() 2021-10-18 14:42:16 -06:00
rnbd rnbd: add error handling support for add_disk() 2021-10-21 09:00:56 -06:00
rsxx block/rsxx: add error handling support for add_disk() 2021-10-18 14:41:36 -06:00
xen-blkback isystem: trim/fixup stdarg.h and other headers 2021-08-19 09:02:55 +09:00
zram zram: fix race between zram_reset_device() and disksize_store() 2021-11-02 14:43:12 -06:00
amiflop.c amiflop: add error handling support for add_disk() 2021-10-18 14:41:37 -06:00
ataflop.c block: ataflop: Fix warning comparing pointer to 0 2021-10-29 06:54:39 -06:00
brd.c block/brd: add error handling support for add_disk() 2021-10-30 11:07:40 -06:00
floppy.c floppy: add error handling support for add_disk() 2021-10-18 14:41:37 -06:00
Kconfig block: remove support for cryptoloop and the xor transfer 2021-10-22 08:34:58 -06:00
loop.c block: remove support for cryptoloop and the xor transfer 2021-10-22 08:34:58 -06:00
loop.h block: remove support for cryptoloop and the xor transfer 2021-10-22 08:34:58 -06:00
Makefile block: remove support for cryptoloop and the xor transfer 2021-10-22 08:34:58 -06:00
n64cart.c n64cart: add error handling support for add_disk() 2021-10-18 14:41:36 -06:00
nbd.c nbd: error out if socket index doesn't match in nbd_handle_reply() 2021-11-02 14:42:41 -06:00
pktcdvd.c pktcdvd: add error handling support for add_disk() 2021-10-18 14:41:36 -06:00
ps3disk.c ps3disk: add error handling support for add_disk() 2021-10-30 11:03:37 -06:00
ps3vram.c ps3vram: add error handling support for add_disk() 2021-10-30 11:03:37 -06:00
rbd_types.h libceph, rbd: replace zero-length array with flexible-array 2020-06-01 13:22:53 +02:00
rbd.c rbd: add add_disk() error handling 2021-10-18 14:41:37 -06:00
sunvdc.c Char / Misc driver updates for 5.14-rc1 2021-07-05 13:42:16 -07:00
swim3.c swim3: add missing major.h include 2021-10-18 14:42:44 -06:00
swim_asm.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
swim.c swim: add error handling support for add_disk() 2021-10-18 14:41:37 -06:00
sx8.c sx8: fix an error code in carm_init_one() 2021-10-18 14:42:30 -06:00
virtio_blk.c Revert "virtio-blk: Add validation for block size in config space" 2021-10-13 08:35:36 -04:00
xen-blkfront.c xen-blkfront: add error handling support for add_disk() 2021-10-21 09:00:56 -06:00
z2ram.c for-5.14/drivers-2021-06-29 2021-06-30 12:21:16 -07:00