Hello, syzbot found the following crash on: HEAD commit: a0ba26f3 Merge git://git.kernel.org/pub/scm/linux/kernel/g.. git tree: bpf console output: https://syzkaller.appspot.com/x/log.txt?x=1669fcb7e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=27392dd2975fd692 dashboard link: https://syzkaller.appspot.com/bug?extid=be0c7be873b78b57c065 compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17ab1edbe00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=150eb063e00000 The bug was bisected to: commit 24bbf74c0c36bfbaa276c9921b55b844018b241e Author: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx> Date: Thu Nov 14 20:15:07 2019 +0000 kvm: x86: Add APICv (de)activate request trace points bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12f1dadbe00000 final crash: https://syzkaller.appspot.com/x/report.txt?x=11f1dadbe00000 console output: https://syzkaller.appspot.com/x/log.txt?x=16f1dadbe00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+be0c7be873b78b57c065@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 24bbf74c0c36 ("kvm: x86: Add APICv (de)activate request trace points") WARNING: can't dereference registers at 00000000ebf55915 for ip interrupt_entry+0xb8/0xc0 arch/x86/entry/entry_64.S:579 --- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. For information about bisection process see: https://goo.gl/tpsmEJ#bisection syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches
