linux/fs/udf
Gianfranco Trad e52e0b92ed udf: fix uninit-value use in udf_get_fileshortad
[ Upstream commit 264db9d666 ]

Check for overflow when computing alen in udf_current_aext to mitigate
later uninit-value use in udf_get_fileshortad KMSAN bug[1].
After applying the patch reproducer did not trigger any issue[2].

[1] https://syzkaller.appspot.com/bug?extid=8901c4560b7ab5c2f9df
[2] https://syzkaller.appspot.com/x/log.txt?x=10242227980000

Reported-by: syzbot+8901c4560b7ab5c2f9df@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=8901c4560b7ab5c2f9df
Tested-by: syzbot+8901c4560b7ab5c2f9df@syzkaller.appspotmail.com
Suggested-by: Jan Kara <jack@suse.com>
Signed-off-by: Gianfranco Trad <gianf.trad@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://patch.msgid.link/20240925074613.8475-3-gianf.trad@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-11-01 02:02:34 +01:00
..
balloc.c udf: refactor udf_next_aext() to handle error 2024-11-01 02:02:33 +01:00
dir.c udf: Remove GFP_NOFS from dir iteration code 2024-01-23 19:21:10 +01:00
directory.c udf: refactor inode_bmap() to handle error 2024-11-01 02:02:34 +01:00
ecma_167.h udf: Avoid unneeded variable length array in struct fileIdentDesc 2023-10-03 11:27:52 +02:00
file.c udf: Fix lock ordering in udf_evict_inode() 2024-06-05 10:36:46 +02:00
ialloc.c udf: convert to new timestamp accessors 2023-10-18 14:08:28 +02:00
inode.c udf: fix uninit-value use in udf_get_fileshortad 2024-11-01 02:02:34 +01:00
Kconfig fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
lowlevel.c fs: udf: Replace GPL 2.0 boilerplate license notice with SPDX identifier 2023-05-30 15:39:13 +02:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
misc.c fs: udf: Replace GPL 2.0 boilerplate license notice with SPDX identifier 2023-05-30 15:39:13 +02:00
namei.c udf: Fix bogus checksum computation in udf_rename() 2024-06-20 15:07:27 +02:00
osta_udf.h udf: Get rid of 0-length arrays 2021-08-11 16:54:44 +02:00
partition.c udf: refactor inode_bmap() to handle error 2024-11-01 02:02:34 +01:00
super.c udf: refactor udf_next_aext() to handle error 2024-11-01 02:02:33 +01:00
symlink.c udf: Convert udf_symlink_getattr() to use a folio 2024-04-23 15:37:02 +02:00
truncate.c udf: refactor inode_bmap() to handle error 2024-11-01 02:02:34 +01:00
udf_i.h udf: Preserve link count of system files 2023-01-09 10:39:53 +01:00
udf_sb.h udf: convert novrs to an option flag 2024-02-21 13:55:30 +01:00
udfdecl.h udf: refactor inode_bmap() to handle error 2024-11-01 02:02:34 +01:00
udfend.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
udftime.c udf: udftime: prevent overflow in udf_disk_stamp_to_time() 2024-04-10 13:10:12 +02:00
unicode.c udf: Fix uninitialized array access for some pathnames 2023-06-21 11:53:06 +02:00