On Mon, Oct 14, 2013 at 12:13:24PM -0400, Mikulas Patocka wrote: > The probe function is supposed to return NULL on failure (as we can see in > kobj_lookup: kobj = probe(dev, index, data); ... if (kobj) return kobj; > > However, in loop and brd, it returns negative error from ERR_PTR. > > This causes a crash if we simulate disk allocation failure and run > less -f /dev/loop0 because the negative number is interpreted as a pointer: ... > Signed-off-by: Mikulas Patocka <mpatocka@xxxxxxxxxx> > Cc: stable@xxxxxxxxxx # 2.6.22+ Acked-by: Tejun Heo <tj@xxxxxxxxxx> Thanks. -- tejun -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
