diff options
| author |   Mateusz Guzik <mjguzik@gmail.com> | 2025-02-09 19:55:21 +0100 |
|---|---|---|
| committer |   Christian Brauner <brauner@kernel.org> | 2025-02-21 10:23:53 +0100 |
| commit | af153bb63a336a7ca0d9c8ef4ca98119c5020030 (patch) | |
| tree | df8f863dc7379af346672b7fdc91bfa346f85c9c | |
| parent | vfs: add initial support for CONFIG_DEBUG_VFS (diff) | |
| download | wireguard-linux-af153bb63a336a7ca0d9c8ef4ca98119c5020030.tar.xz wireguard-linux-af153bb63a336a7ca0d9c8ef4ca98119c5020030.zip | |
vfs: catch invalid modes in may_open()
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Link: https://lore.kernel.org/r/20250209185523.745956-3-mjguzik@gmail.com
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
| -rw-r--r-- | fs/namei.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/namei.c b/fs/namei.c index 3ab9440c5b93..21630a0f8e30 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -3415,6 +3415,8 @@ static int may_open(struct mnt_idmap *idmap, const struct path *path, if ((acc_mode & MAY_EXEC) && path_noexec(path)) return -EACCES; break; + default: + VFS_BUG_ON_INODE(1, inode); } error = inode_permission(idmap, inode, MAY_OPEN | acc_mode); |