On Wed, Dec 02, 2015 at 09:32:34PM +0300, Andrey Ryabinin wrote: > 2015-12-02 20:14 GMT+03:00 Chris Mason <[email protected]>: > > On Wed, Dec 02, 2015 at 11:09:43AM -0500, Dave Jones wrote: > >> On Wed, Dec 02, 2015 at 10:11:28AM -0500, Josef Bacik wrote: > >> > On 12/02/2015 09:59 AM, Dave Jones wrote: > >> > > Got a few of these in the logs this morning after an overnight rsync > >> over nfs > >> > > to an exported btrfs volume. > >> > > >> > That's probably us and not NFS, what line is that in > >> > setup_cluster_bitmap? Thanks, > >> > >> If my math is correct, it's this.. > >> > >> if (entry->offset != bitmap_offset) > >> > >> I don't seem to be able to trigger it on demand unfortunatly. > > > > Is it possible we're blowing the stack? It seems pretty tricky to get a > > stack out of bounds out of this code without flat out blowing through > > it. > > > > I think it just empty bitmaps list. > list_first_entry() can't be used on empty list.
Ohh, I was so busy looking for free'd entries I missed that. Good point. -chris -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
