On Fri, 4 Jan 2019 11:32:12 +0100 Dmitry Vyukov <dvyu...@google.com> wrote:
> On Thu, Jan 3, 2019 at 10:54 PM Stefano Brivio <sbri...@redhat.com> wrote: > > > > On Thu, 3 Jan 2019 15:15:06 -0600 > > Willem de Bruijn <willemdebruijn.ker...@gmail.com> wrote: > > > > > syzbot generated stack traces with > > > > > > [ 183.517380] udpv6_err+0x46/0x60 > > > [ 183.520739] ? __udp6_lib_err+0x1890/0x1890 > > > [ 183.525054] gue6_err_proto_handler+0x199/0x280 > > > > Where? I can't find that in any logs linked from the dashboard at > > https://syzkaller.appspot.com/bug?extid=4ad25edc7a33e4ab91e0 :( > > Stefano, there are these 4 bugs reported that have similarly looking > reproducers involving udp sockets and that crash modes that looks like > stack corruption/overflow: > > https://syzkaller.appspot.com/bug?extid=14005fa30c9a07192934 > https://syzkaller.appspot.com/bug?extid=d14090007dc9ba5fa9b7 > https://syzkaller.appspot.com/bug?extid=137ed32ec9a6d5b0d5fe > https://syzkaller.appspot.com/bug?id=d5bc3e0c66d200d72216ab343a67c4327e4a3452 > > Are these the same bug as this? Judging from the reproducers for the first three, they seem to be. I guess I can trigger tests also for those by sending a (sharp)syz test ... e-mail with the patch to the Reported-by: addresses, right? And the three reports you pointed out from the pile of corrupted reports also seem to match, others look unrelated. -- Stefano