Messages in this thread | | | Date | Fri, 31 Jan 2014 18:12:54 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] vmcore: prevent PT_NOTE p_memsz overflow during header update |
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On Sat, 1 Feb 2014 01:07:29 +0000 "Pearson, Greg" <greg.pearson@hp.com> wrote:
> As far as I know the only consequence of dropping a PT_NOTE entry is > that it would not be available in the crash dump for use in debugging. > I'm not sure how important this data might be for triage. I'm guessing > that in cases where one of these strange PT_NOTE entries shows up with a > size that causes an overflow it probably isn't even a real PT_NOTE entry > so dropping it won't matter, but that's a guess at this point since I'm > still trying to figure out how the bogus entries were created.
Can we detect the crazy-huge notes, skip them and then proceed with the following sanely-sized ones?
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