linux-stable/fs/ubifs
Zhihao Cheng f4e3634a3b ubifs: Fix races between xattr_{set|get} and listxattr operations
UBIFS may occur some problems with concurrent xattr_{set|get} and
listxattr operations, such as assertion failure, memory corruption,
stale xattr value[1].

Fix it by importing a new rw-lock in @ubifs_inode to serilize write
operations on xattr, concurrent read operations are still effective,
just like ext4.

[1] https://lore.kernel.org/linux-mtd/20200630130438.141649-1-houtao1@huawei.com

Fixes: 1e51764a3c ("UBIFS: add new flash file system")
Cc: stable@vger.kernel.org  # v2.6+
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Richard Weinberger <richard@nod.at>
2021-06-18 22:04:47 +02:00
..
auth.c ubifs: Fix memleak in ubifs_init_authentication 2021-02-12 21:53:22 +01:00
budget.c ubifs: Limit the number of pages in shrink_liability 2019-08-22 17:25:33 +02:00
commit.c ubifs: Pass node length in all node dumping callers 2020-12-13 22:12:32 +01:00
compress.c ubifs: Add support for zstd compression. 2019-07-08 19:43:53 +02:00
crypto.c fscrypt: introduce fscrypt_decrypt_block_inplace() 2019-05-28 10:27:53 -07:00
debug.c ubifs: fix snprintf() checking 2021-06-18 22:04:47 +02:00
debug.h ubifs: ubifs_dump_sleb: Remove unused function 2020-12-13 22:12:38 +01:00
dir.c ubifs: convert to fileattr 2021-04-12 15:04:30 +02:00
file.c ubifs: convert to fileattr 2021-04-12 15:04:30 +02:00
find.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 336 2019-06-05 17:37:07 +02:00
gc.c treewide: Change list_sort to use const pointers 2021-04-08 16:04:22 -07:00
io.c ubifs: Pass node length in all node dumping callers 2020-12-13 22:12:32 +01:00
ioctl.c ubifs: convert to fileattr 2021-04-12 15:04:30 +02:00
journal.c ubifs: journal: Fix error return code in ubifs_jnl_write_inode() 2021-06-18 22:04:47 +02:00
Kconfig fscrypt: Allow modular crypto algorithms 2019-12-31 10:33:51 -06:00
key.h ubifs: allow both hash and disk name to be provided in no-key names 2020-01-22 14:49:56 -08:00
log.c ubifs: remove unnecessary check in ubifs_log_start_commit 2019-07-08 19:43:51 +02:00
lprops.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
lpt.c ubifs: Fix the printing type of c->big_lpt 2020-12-13 21:57:10 +01:00
lpt_commit.c mm: remove the pgprot argument to __vmalloc 2020-06-02 10:59:11 -07:00
Makefile fscrypt: remove filesystem specific build config option 2019-01-23 23:56:43 -05:00
master.c ubifs: Pass node length in all node dumping callers 2020-12-13 22:12:32 +01:00
misc.c ubifs: Allow setting assert action as mount parameter 2018-08-15 00:25:21 +02:00
misc.h ubifs: misc.h: delete a duplicated word 2020-08-02 22:59:03 +02:00
orphan.c ubifs: Pass node length in all node dumping callers 2020-12-13 22:12:32 +01:00
recovery.c ubifs: Pass node length in all node dumping callers 2020-12-13 22:12:32 +01:00
replay.c This pull request contains changes for JFFS2, UBI and UBIFS 2021-05-04 18:08:40 -07:00
sb.c ubifs: Default to zstd compression 2021-04-15 22:00:26 +02:00
scan.c ubifs: Pass node length in all node dumping callers 2020-12-13 22:12:32 +01:00
shrinker.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 336 2019-06-05 17:37:07 +02:00
super.c ubifs: Fix races between xattr_{set|get} and listxattr operations 2021-06-18 22:04:47 +02:00
tnc.c ubifs: Pass node length in all node dumping callers 2020-12-13 22:12:32 +01:00
tnc_commit.c ubifs: ubifs_tnc_start_commit: Fix OOB in layout_in_gaps 2019-11-17 22:22:54 +01:00
tnc_misc.c ubifs: Pass node length in all node dumping callers 2020-12-13 22:12:32 +01:00
ubifs-media.h ubifs: Add support for zstd compression. 2019-07-08 19:43:53 +02:00
ubifs.h ubifs: Fix races between xattr_{set|get} and listxattr operations 2021-06-18 22:04:47 +02:00
xattr.c ubifs: Fix races between xattr_{set|get} and listxattr operations 2021-06-18 22:04:47 +02:00