diff options
| author | Al Viro <[email protected]> | 2025-06-24 14:25:04 +0000 |
|---|---|---|
| committer | Al Viro <[email protected]> | 2025-06-24 14:25:04 +0000 |
| commit | 0748e553df0225754c316a92af3a77fdc057b358 (patch) | |
| tree | 5344ea758d9a9fa9e3464d205e8567fba08c2e11 /net/unix/af_unix.c | |
| parent | attach_recursive_mnt(): do not lock the covering tree when sliding something ... (diff) | |
| download | kernel-0748e553df0225754c316a92af3a77fdc057b358.tar.gz kernel-0748e553df0225754c316a92af3a77fdc057b358.zip | |
userns and mnt_idmap leak in open_tree_attr(2)
Once want_mount_setattr() has returned a positive, it does require
finish_mount_kattr() to release ->mnt_userns. Failing do_mount_setattr()
does not change that.
As the result, we can end up leaking userns and possibly mnt_idmap as
well.
Fixes: c4a16820d901 ("fs: add open_tree_attr()")
Reviewed-by: Christian Brauner <[email protected]>
Signed-off-by: Al Viro <[email protected]>
Diffstat (limited to 'net/unix/af_unix.c')
0 files changed, 0 insertions, 0 deletions