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Li Guifu 45e30390f5 f2fs: fix use-after-free issue 
[ Upstream commit 99c787cfd2 ]

During umount, f2fs_put_super() unregisters procfs entries after
f2fs_destroy_segment_manager(), it may cause use-after-free
issue when umount races with procfs accessing, fix it by relocating
f2fs_unregister_sysfs().

[Chao Yu: change commit title/message a bit]

Signed-off-by: Li Guifu <bluce.liguifu@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2020-09-03 11:26:46 +02:00
..
Kconfig f2fs: Add a small clarification to CONFIG_FS_F2FS_FS_SECURITY 2019-09-16 08:38:48 -07:00
Makefile f2fs: add fs-verity support 2019-08-12 19:33:51 -07:00
acl.c f2fs: Replace spaces with tab 2019-05-08 21:23:11 -07:00
acl.h
…
checkpoint.c f2fs: don't return vmalloc() memory from f2fs_kmalloc() 2020-06-24 17:50:41 +02:00
data.c f2fs: fix to add swap extent correctly 2020-03-05 16:43:48 +01:00
debug.c fs: f2fs: Remove unnecessary checks of SM_I(sbi) in update_general_status() 2019-08-23 07:57:12 -07:00
dir.c f2fs: avoid utf8_strncasecmp() with unstable name 2020-06-24 17:50:50 +02:00
extent_cache.c f2fs: introduce f2fs_<level> macros to wrap f2fs_printk() 2019-07-02 15:40:40 -07:00
f2fs.h f2fs: fix error path in do_recover_data() 2020-09-03 11:26:45 +02:00
file.c f2fs: handle readonly filesystem in f2fs_ioc_shutdown() 2020-06-24 17:50:19 +02:00
gc.c f2fs: Fix mount failure due to SPO after a successful online resize FS 2020-04-23 10:36:33 +02:00
gc.h
…
hash.c f2fs: Support case-insensitive file name lookups 2019-08-23 07:57:13 -07:00
inline.c f2fs: fix error path in do_recover_data() 2020-09-03 11:26:45 +02:00
inode.c f2fs: fix to update time in lazytime mode 2020-01-04 19:16:31 +01:00
namei.c f2fs: set I_LINKABLE early to avoid wrong access by vfs 2020-02-24 08:36:50 +01:00
node.c f2fs: fix error path in do_recover_data() 2020-09-03 11:26:45 +02:00
node.h
…
recovery.c f2fs: fix error path in do_recover_data() 2020-09-03 11:26:45 +02:00
segment.c f2fs: Fix deadlock in f2fs_gc() context during atomic files handling 2020-01-04 19:18:18 +01:00
segment.h f2fs: enhance f2fs_is_checkpoint_ready()'s readability 2019-09-06 16:18:26 -07:00
shrinker.c
…
super.c f2fs: fix use-after-free issue 2020-09-03 11:26:46 +02:00
sysfs.c f2fs: fix memleak of kobject 2020-02-24 08:36:53 +01:00
trace.c f2fs: do not use mutex lock in atomic context 2019-03-05 19:58:06 -08:00
trace.h
…
verity.c f2fs: add fs-verity support 2019-08-12 19:33:51 -07:00
xattr.c f2fs: fix to avoid memory leakage in f2fs_listxattr 2020-04-29 16:32:55 +02:00
xattr.h f2fs: add fs-verity support 2019-08-12 19:33:51 -07:00