Messages in this thread | | | Date | Thu, 17 Oct 2013 16:25:00 +0200 | From | Frederic Weisbecker <> | Subject | Re: [BUG 3.12.rc4] Oops: unable to handle kernel paging request during shutdown |
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On Tue, Oct 15, 2013 at 08:40:25AM +0200, Ingo Molnar wrote: > > * Frederic Weisbecker <fweisbec@gmail.com> wrote: > > > I've been thinking that CONFIG_DEBUG_LIST could help. Unfortunately it's > > good to spot list APIs misuse but, if Linus is right, the problem may be > > that the list belongs to an object that has been freed, and I believe > > that won't detect such a thing. > > Use-after free should be reliably detectable via CONFIG_DEBUG_PAGEALLOC=y. > > A couple of years ago I wrote a list debugging beast that would catch > use-after-free mishaps (sent it to lkml too IIRC), but it was a bit > complex and I never found the time to nurse it upstream.
Ok, well CONFIG_DEBUG_PAGEALLOC=y should work for list as for anything, right?
Thanks.
> > Thanks, > > Ingo
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