From af153bb63a336a7ca0d9c8ef4ca98119c5020030 Mon Sep 17 00:00:00 2001 From: Mateusz Guzik Date: Sun, 9 Feb 2025 19:55:21 +0100 Subject: [PATCH] vfs: catch invalid modes in may_open() Signed-off-by: Mateusz Guzik Link: https://lore.kernel.org/r/20250209185523.745956-3-mjguzik@gmail.com Reviewed-by: Jan Kara Signed-off-by: Christian Brauner --- fs/namei.c | 2 ++ 1 file changed, 2 insertions(+) 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); -- 2.50.1