Messages in this thread | | | From | Alexei Starovoitov <> | Date | Wed, 4 Jul 2018 09:59:25 -0700 | Subject | Re: KASAN: stack-out-of-bounds Read in timerqueue_add |
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On Wed, Jul 4, 2018 at 9:34 AM, Dmitry Vyukov <dvyukov@google.com> wrote: > On Wed, Jul 4, 2018 at 6:29 PM, syzbot > <syzbot+b680e42077a0d7c9a0c4@syzkaller.appspotmail.com> wrote: >> Hello, >> >> syzbot found the following crash on: >> >> HEAD commit: fc36def997cf mm: teach dump_page() to correctly output poi.. >> git tree: upstream >> console output: https://syzkaller.appspot.com/x/log.txt?x=167e3b92400000 >> kernel config: https://syzkaller.appspot.com/x/.config?x=f62553dc846b0692 >> dashboard link: https://syzkaller.appspot.com/bug?extid=b680e42077a0d7c9a0c4 >> compiler: gcc (GCC) 8.0.1 20180413 (experimental) >> syzkaller repro:https://syzkaller.appspot.com/x/repro.syz?x=1030a858400000 >> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1167aaa4400000 >> >> IMPORTANT: if you fix the bug, please add the following tag to the commit: >> Reported-by: syzbot+b680e42077a0d7c9a0c4@syzkaller.appspotmail.com > > +bpf maintainers since the repro seems to deal to bpf maps > > We've got a splash of crashes today, all seem to suggest some kind of > stack corruption/overflow, see the last 6 bugs here: > https://syzkaller.appspot.com/
John, this is sockhash map related. Please take a look asap.
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