On Fri, 13 Apr 2007, Badari Pulavarty wrote: > On Wed, 2007-04-04 at 11:04 -0700, Christoph Lameter wrote: > > On Wed, 4 Apr 2007, Badari Pulavarty wrote: > ... > > > > > *** SLUB: Freepointer corrupt in [EMAIL PROTECTED] Slab > > > 0xffff81017f9f8b80 > > > offset=672 flags=0x2000000000000c7 inuse=42 > > > freelist=0xffff810173f172a0 > > > Bytes b4 0xffff810173f17290: a0 72 f1 73 00 00 00 00 00 00 00 00 00 > > > 00 00 00 .r\uffffs............ > > > Object 0xffff810173f172a0: 00 00 00 00 01 81 ff ff 00 00 00 00 00 > > > 00 00 00 ......\uffff\uffff........ > > > FreePointer 0xffff810173f172a0 -> 0xffff810100000000 > > > > Found it !! After a painful capture of all the kmalloc-16 slab > allocations (400+) so far and auditing some of them, found the > culprit - who writes beyond its allocation, causing the slab > corruption.
Thanks. I am sorry that this was not easier for you. But as a result I thoroughly tested the slab corruption detection in SLUB yesterday found various issues and submitted patches to Andrew that will make this really work well. Too late for you though. - 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/
