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Zheng Bin 2a4c5ff12f nbd: Fix memory leak in nbd_add_socket 
[ Upstream commit 579dd91ab3a5446b148e7f179b6596b270dace46 ]

When adding first socket to nbd, if nsock's allocation failed, the data
structure member "config->socks" was reallocated, but the data structure
member "config->num_connections" was not updated. A memory leak will occur
then because the function "nbd_config_put" will free "config->socks" only
when "config->num_connections" is not zero.

Fixes: 03bf73c315ed ("nbd: prevent memory leak")
Reported-by: syzbot+934037347002901b8d2a@syzkaller.appspotmail.com
Signed-off-by: Zheng Bin <zhengbin13@huawei.com>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-07-16 08:16:40 +02:00
..
aoe
block: aoe: Fix kernel crash due to atomic sleep when exiting
2019-08-08 07:29:02 -06:00
drbd
block: drbd: remove a stray unlock in __drbd_send_protocol()
2019-11-08 06:55:22 -07:00
mtip32xx
block: mtip32xx: Remove call to memset after dma_alloc_coherent
2019-06-29 09:42:50 -06:00
paride
paride/pcd: need to check if cd->disk is null in pcd_detect
2019-09-04 07:04:37 -06:00
rsxx
rsxx: add missed destroy_workqueue calls in remove
2019-11-14 13:59:49 -07:00
xen-blkback
xen/blkback: Avoid unmapping unmapped grant pages
2020-01-09 10:20:07 +01:00
zram
drivers/block/zram/zram_drv.c: fix error return codes not being returned in writeback_store
2020-02-24 08:36:31 +01:00
amiflop.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
ataflop.c
ataflop: Mark expected switch fall-through
2019-07-29 15:24:58 -06:00
brd.c
brd: check and limit max_part par
2020-02-24 08:37:02 +01:00
cryptoloop.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 30
2019-05-24 17:27:10 +02:00
floppy.c
block/floppy: fix contended case in floppy_queue_rq()
2020-06-17 16:40:38 +02:00
Kconfig
docs: blockdev: add it to the admin-guide
2019-07-15 11:03:01 -03:00
loop.c
loop: replace kill_bdev with invalidate_bdev
2020-06-30 15:36:52 -04:00
loop.h
block/loop: Use global lock for ioctl() operation.
2018-11-08 06:30:11 -07:00
Makefile
drivers/block: Remove DAC960 driver
2018-10-17 09:42:30 -06:00
nbd.c
nbd: Fix memory leak in nbd_add_socket
2020-07-16 08:16:40 +02:00
null_blk_main.c
null_blk: fix spurious IO errors after failed past-wp access
2020-04-17 10:50:00 +02:00
null_blk_zoned.c
null_blk: return error for invalid zone size
2020-06-07 13:18:51 +02:00
null_blk.h
null_blk: format pr_* logs with pr_fmt
2019-09-16 08:38:29 -06:00
pktcdvd.c
pktcdvd: remove warning on attempting to register non-passthrough dev
2019-09-22 10:01:05 -06:00
ps3disk.c
ps3disk: use the default segment boundary
2020-06-24 17:50:15 +02:00
ps3vram.c
block/ps3vram: Use %llu to format sector_t after LBDAF removal
2019-06-13 03:17:50 -06:00
rbd_types.h
rbd: support for object-map and fast-diff
2019-07-08 14:01:45 +02:00
rbd.c
rbd: call rbd_dev_unprobe() after unwatching and flushing notifies
2020-04-23 10:36:27 +02:00
skd_main.c
Linux 5.2-rc6
2019-07-01 08:16:08 -06:00
skd_s1120.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 497
2019-06-19 17:09:53 +02:00
sunvdc.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
swim3.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
swim_asm.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
swim.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
sx8.c
sx8: use a per-host tag_set
2018-11-09 08:14:14 -07:00
umem.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 349
2019-06-05 17:37:08 +02:00
umem.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 348
2019-06-05 17:37:08 +02:00
virtio_blk.c
virtio-blk: free vblk-vqs in error path of virtblk_probe()
2020-07-09 09:37:54 +02:00
xen-blkfront.c
xen/blkfront: fix memory allocation flags in blkfront_setup_indirect()
2020-04-17 10:50:22 +02:00
xsysace.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
z2ram.c
powerpc updates for 4.20
2018-10-26 14:36:21 -07:00