On Sun, May 20, 2018 at 04:26:03PM +0800, Xin Long wrote: > On Sat, May 19, 2018 at 11:57 PM, Eric Dumazet <eric.duma...@gmail.com> wrote: > > SCTP experts, please take a look. > > > > On 05/19/2018 08:55 AM, syzbot wrote: > >> Hello, > >> > >> syzbot found the following crash on: > >> > >> HEAD commit: 73fcb1a370c7 Merge branch 'akpm' (patches from Andrew) > >> git tree: upstream > >> console output: https://syzkaller.appspot.com/x/log.txt?x=1462ec0f800000 > >> kernel config: https://syzkaller.appspot.com/x/.config?x=f3b4e30da84ec1ed > >> dashboard link: > >> https://syzkaller.appspot.com/bug?extid=3dcd59a1f907245f891f > >> compiler: gcc (GCC) 8.0.1 20180413 (experimental) > >> syzkaller repro:https://syzkaller.appspot.com/x/repro.syz?x=1079cf8f800000
The reproducer has: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) Considering socket() prototype uses an int for the 3rd argument, how should I interpret this 64b value? 0x84 is IPPROTO_SCTP, but don't know about the 0x8010000000000000 in there.
