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| author | Guanglei Zhu <zhugl3@xiaopeng.com> | 2026-10-12 17:55:38 +0800 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2026-10-12 12:44:23 +0200 |
| commit | 81f4be14beee1b6d073edff46f9637851f1df7d1 (patch) | |
| tree | 4c78e201ef43c976ddafa36e215841cffa6abaec /tools/lib/python/kdoc/python_version.py | |
| parent | c40d331230721cb10145a5593b1b0002f27e856c (diff) | |
| download | linux-next-81f4be14beee1b6d073edff46f9637851f1df7d1.tar.gz linux-next-81f4be14beee1b6d073edff46f9637851f1df7d1.zip | |
ovl: reject lowerdir ending with unescaped backslash
In ovl_parse_param_split_lowerdirs() a backslash consumes the
character that follows it. When the backslash is the last character
of the lowerdir value, it consumes the NUL terminator: the loop exits
normally and the backslash is kept in the output, so the lowerdir is
passed downstream with a trailing backslash and the mount fails later
with a confusing ENOENT from path lookup.
A trailing unescaped backslash escapes nothing, so reject it with
EINVAL.
Signed-off-by: Guanglei Zhu <zhugl3@xiaopeng.com>
Link: https://patch.msgid.link/20261012095538.938789-1-zhugl3@xiaopeng.com
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Diffstat (limited to 'tools/lib/python/kdoc/python_version.py')
0 files changed, 0 insertions, 0 deletions