Messages in this thread | | | Date | Fri, 18 Jul 2008 12:16:26 +0300 | From | "Pekka Enberg" <> | Subject | Re: [bug, netconsole, SLUB] BUG skbuff_head_cache: Poison overwritten |
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On Fri, Jul 18, 2008 at 12:11 PM, Ingo Molnar <mingo@elte.hu> wrote: > > * Pekka J Enberg <penberg@cs.helsinki.fi> wrote: > >> > Object 0xf658ae70: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk >> >> It's bit unfortunate that we don't see full dump of the corruption >> here because SLUB limits the output to 128 bytes. Ingo, you might want >> to try this patch so that we can see all of it: > > ok, applied this as a debug special to tip/out-of-tree - future > incidents should have the full object dump. > > would makes sense for upstream too i think, or increase the limit to 4K > or so. (which is still fair to be dumped into a syslog)
SLUB already limits object sizes to less than PAGE_SIZE so the patch should be fine. Christoph, are you okay with this going upstream?
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