Frank Filz wrote: > Sorry for the resend, got lkml address wrong... > > The problem is that permission checking is skipped if atomic open is > possible, but when exec opens a file, it just opens it O_READONLY which > means EXEC permission will not be checked at that time. > > This problem is observed by the following sequence (executed as root): > > mount -t nfs4 server:/ /mnt4 > echo "ls" >/mnt4/foo > chmod 744 /mnt4/foo > su guest -c "mnt4/foo" > > Signed-off-by: Frank Filz <ffilzlnx@xxxxxxxxxx> Tested-by: Eugene Teo <eugeneteo@xxxxxxxxx> Thanks, Eugene -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
