Messages in this thread | | | Date | Mon, 14 Apr 2008 22:32:21 +0400 | From | Alexey Dobriyan <> | Subject | Re: 2.6.25-rc8-mm2: IP: [<ffffffff802868f9>] __kmalloc+0x69/0x110 |
| |
On Mon, Apr 14, 2008 at 10:53:12AM -0700, Christoph Lameter wrote: > On Mon, 14 Apr 2008, Pekka Enberg wrote: > > > > Code: 48 89 45 d0 9c 41 5d fa e8 f5 a5 fc ff 65 8b 04 25 24 00 00 00 48 98 4c 8b bc c3 c8 00 00 00 4d 8b 27 4d 85 e4 74 7a 41 8b 47 14 <49> 8b 04 c4 49 89 07 41 f7 c5 00 02 00 00 75 37 41 55 9d e8 bf > > > RIP [<ffffffff802868f9>] __kmalloc+0x69/0x110 > > > RSP <ffff81017cba9c68> > > > CR2: 0000000500000500 > > > > Looks like freelist corruption where c->freelist is 0x0000000500000500 > > and c->offset is zero... Christoph? > > c->offset is zero is okay. Could be a object freepointer corruption > because the first word of the object is overwritten after free. You > need to run with slub_debug on the commandline or CONFIG_SLUB_DEBUG_ON to > debug this.
Doh! I forgot SLUB debugging again. Apologies and let me reproduce some more.
> Anyone know what the possible meaning of 0x0000000500000500 is? I do not > see anything in poison.h.
| |