Re: kernel BUG at mm/slab.c:LINE! (2)

Daniel Borkmann
2018-07-09T16:30:59Z

On 07/09/2018 06:16 PM, Dmitry Vyukov wrote:
> On Mon, Jul 9, 2018 at 6:05 PM, Christopher Lameter <cl@linux.com> wrote:
>> On Sun, 8 Jul 2018, syzbot wrote:
>>
>>> kernel BUG at mm/slab.c:4421!
>>
>> Classic location that indicates memory corruption. Can we rerun this with
>> CONFIG_SLAB_DEBUG? Alternatively use SLUB debugging for better debugging
>> without rebuilding.
>
> This runs with KASAN which is way more powerful than slab/slub debug.
>
> There two other recent crashes in bpf_test_finish which has more info:
>
> https://syzkaller.appspot.com/bug?id=f831c88feddf5f4de09b846bbe53e5b8c06e5c02
> https://syzkaller.appspot.com/bug?id=059cee5623ce519359e7440ba6d0d6af8b82694e

Fyi, looking into the two today as well.