Enable the setfl() helper to handle idmapped mounts by passing down the mount's user namespace.
Cc: Christoph Hellwig <h...@lst.de> Cc: David Howells <dhowe...@redhat.com> Cc: Al Viro <v...@zeniv.linux.org.uk> Cc: linux-fsde...@vger.kernel.org Signed-off-by: Christian Brauner <christian.brau...@ubuntu.com> --- /* v2 */ patch introduced --- fs/fcntl.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/fcntl.c b/fs/fcntl.c index df091d435603..ed330fa91438 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c @@ -25,6 +25,7 @@ #include <linux/user_namespace.h> #include <linux/memfd.h> #include <linux/compat.h> +#include <linux/mount.h> #include <linux/poll.h> #include <asm/siginfo.h> @@ -46,7 +47,7 @@ static int setfl(int fd, struct file * filp, unsigned long arg) /* O_NOATIME can only be set by the owner or superuser */ if ((arg & O_NOATIME) && !(filp->f_flags & O_NOATIME)) - if (!inode_owner_or_capable(&init_user_ns, inode)) + if (!inode_owner_or_capable(mnt_user_ns(filp->f_path.mnt), inode)) return -EPERM; /* required for strict SunOS emulation */ -- 2.29.2 -- Linux-audit mailing list Linux-audit@redhat.com https://www.redhat.com/mailman/listinfo/linux-audit