On Sat, Apr 14, 2018 at 3:07 AM, syzbot <syzbot+cc483201a3c6436d3550@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > syzbot has found reproducer for the following crash on upstream commit > 1bad9ce155a7c010a9a5f3261ad12a6a8eccfb2c (Fri Apr 13 19:27:11 2018 +0000) > Merge tag 'sh-for-4.17' of git://git.libc.org/linux-sh > syzbot dashboard link: > https://syzkaller.appspot.com/bug?extid=cc483201a3c6436d3550 > > So far this crash happened 4 times on upstream. > C reproducer: https://syzkaller.appspot.com/x/repro.c?id=6257386297753600 > syzkaller reproducer: > https://syzkaller.appspot.com/x/repro.syz?id=4808329293463552 > Raw console output: > https://syzkaller.appspot.com/x/log.txt?id=4943675322793984 > Kernel config: > https://syzkaller.appspot.com/x/.config?id=-5947642240294114534 > compiler: gcc (GCC) 8.0.1 20180413 (experimental) > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+cc483201a3c6436d3550@xxxxxxxxxxxxxxxxxxxxxxxxx > It will help syzbot understand when the bug is fixed. #syz dup: BUG: unable to handle kernel paging request in vmx_vcpu_run > IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready > IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready > 8021q: adding VLAN 0 to HW filter on device team0 > kasan: CONFIG_KASAN_INLINE enabled > kasan: GPF could be caused by NULL-ptr deref or user memory access > general protection fault: 0000 [#1] SMP KASAN > Dumping ftrace buffer: > (ftrace buffer empty) > Modules linked in: > CPU: 0 PID: 6472 Comm: syzkaller667776 Not tainted 4.16.0+ #1 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS > Google 01/01/2011 > RIP: 0010:vmx_vcpu_run+0x95f/0x25f0 arch/x86/kvm/vmx.c:9746 > RSP: 0018:ffff8801c95bf368 EFLAGS: 00010002 > RAX: ffff8801b44df6e8 RBX: ffff8801ada0ec40 RCX: 1ffff100392b7e78 > RDX: 0000000000000000 RSI: ffffffff81467b15 RDI: ffff8801ada0ec50 > RBP: ffff8801b44df790 R08: ffff8801c4efe780 R09: fffffbfff1141218 > R10: fffffbfff1141218 R11: ffffffff88a090c3 R12: ffff8801b186aa90 > R13: ffff8801ae61e000 R14: dffffc0000000000 R15: ffff8801ae61e3e0 > FS: 00007fa147982700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 0000000000000000 CR3: 00000001d780d000 CR4: 00000000001426f0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > Call Trace: > Code: 8b a9 68 03 00 00 4c 8b b1 70 03 00 00 4c 8b b9 78 03 00 00 48 8b 89 > 08 03 00 00 75 05 0f 01 c2 eb 03 0f 01 c3 48 89 4c 24 08 59 <0f> 96 81 88 56 > 00 00 48 89 81 00 03 00 00 48 89 99 18 03 00 00 > RIP: vmx_vcpu_run+0x95f/0x25f0 arch/x86/kvm/vmx.c:9746 RSP: ffff8801c95bf368 > ---[ end trace ffd91ebc3bb06b01 ]--- > Kernel panic - not syncing: Fatal exception > Shutting down cpus with NMI > Dumping ftrace buffer: > (ftrace buffer empty) > Kernel Offset: disabled > Rebooting in 86400 seconds.. > > -- > You received this message because you are subscribed to the Google Groups > "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to syzkaller-bugs+unsubscribe@xxxxxxxxxxxxxxxx. > To view this discussion on the web visit > https://groups.google.com/d/msgid/syzkaller-bugs/00000000000037b58a0569c49b70%40google.com. > > For more options, visit https://groups.google.com/d/optout.
