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| author | Theodore Ts'o <tytso@mit.edu> | 2025-09-16 23:22:47 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2025-09-26 08:36:08 -0400 |
| commit | 8ecb790ea8c3fc69e77bace57f14cf0d7c177bd8 (patch) | |
| tree | b53034d2aeb4a70fd127c37475b4efdb177ef833 /scripts/kernel-doc.py | |
| parent | 12e803c8827d049ae8f2c743ef66ab87ae898375 (diff) | |
ext4: avoid potential buffer over-read in parse_apply_sb_mount_options()
Unlike other strings in the ext4 superblock, we rely on tune2fs to
make sure s_mount_opts is NUL terminated. Harden
parse_apply_sb_mount_options() by treating s_mount_opts as a potential
__nonstring.
Cc: stable@vger.kernel.org
Fixes: 8b67f04ab9de ("ext4: Add mount options in superblock")
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Message-ID: <20250916-tune2fs-v2-1-d594dc7486f0@mit.edu>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'scripts/kernel-doc.py')
0 files changed, 0 insertions, 0 deletions