diff options
| -rw-r--r-- | fs/inode.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/inode.c b/fs/inode.c index 2071ff5343c5..30a97292e965 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -1804,8 +1804,13 @@ int file_remove_privs(struct file *file) int kill; int error = 0; - /* Fast path for nothing security related */ - if (IS_NOSEC(inode)) + /* + * Fast path for nothing security related. + * As well for non-regular files, e.g. blkdev inodes. + * For example, blkdev_write_iter() might get here + * trying to remove privs which it is not allowed to. + */ + if (IS_NOSEC(inode) || !S_ISREG(inode->i_mode)) return 0; kill = dentry_needs_remove_privs(dentry); |