On Tue, 25 Oct 2022 at 19:08, syzbot <syzbot+dbef12497aa912c8e7ba@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit: 4dc12f37a8e9 Merge tag 'platform-drivers-x86-v6.1-2' of gi.. > git tree: upstream > console+strace: https://syzkaller.appspot.com/x/log.txt?x=113363d2880000 > kernel config: https://syzkaller.appspot.com/x/.config?x=a66c6c673fb555e8 > dashboard link: https://syzkaller.appspot.com/bug?extid=dbef12497aa912c8e7ba > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=132e84fc880000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10a872f2880000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/7858e54948b9/disk-4dc12f37.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/f37bd48d06dc/vmlinux-4dc12f37.xz > kernel image: https://storage.googleapis.com/syzbot-assets/98114f50afb3/bzImage-4dc12f37.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+dbef12497aa912c8e7ba@xxxxxxxxxxxxxxxxxxxxxxxxx This will be fixed by the following commit, right? #syz fix: KVM: x86: Exempt pending triple fault from event injection sanity check https://lore.kernel.org/all/20220930230008.1636044-1-seanjc@xxxxxxxxxx/ > kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu > ------------[ cut here ]------------ > WARNING: CPU: 0 PID: 3603 at arch/x86/kvm/x86.c:10047 kvm_check_and_inject_events arch/x86/kvm/x86.c:10047 [inline] > WARNING: CPU: 0 PID: 3603 at arch/x86/kvm/x86.c:10047 vcpu_enter_guest+0x92c/0x5a10 arch/x86/kvm/x86.c:10649 > Modules linked in: > CPU: 0 PID: 3603 Comm: syz-executor122 Not tainted 6.1.0-rc2-syzkaller-00070-g4dc12f37a8e9 #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 > RIP: 0010:kvm_check_and_inject_events arch/x86/kvm/x86.c:10047 [inline] > RIP: 0010:vcpu_enter_guest+0x92c/0x5a10 arch/x86/kvm/x86.c:10649 > Code: c0 74 06 0f 8e d2 4f 00 00 45 0f b6 b4 24 e8 08 00 00 31 ff 44 89 f6 e8 72 db 6a 00 45 84 f6 0f 84 d4 41 00 00 e8 d4 de 6a 00 <0f> 0b e9 1e 11 00 00 e8 c8 de 6a 00 be 08 00 00 00 4c 89 ff e8 4b > RSP: 0018:ffffc90003d3fb60 EFLAGS: 00010293 > RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 > RDX: ffff888023d8ba80 RSI: ffffffff8111bdac RDI: 0000000000000001 > RBP: ffffc90003d3fc80 R08: 0000000000000001 R09: 0000000000000000 > R10: 0000000000000001 R11: 000000000008c07e R12: ffff88801c784000 > R13: 0000000000000000 R14: 0000000000000001 R15: ffff88801c784038 > FS: 0000555556d6e300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 00007fffcf8d4d68 CR3: 000000007b6d6000 CR4: 00000000003526f0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > Call Trace: > <TASK> > vcpu_run arch/x86/kvm/x86.c:10951 [inline] > kvm_arch_vcpu_ioctl_run+0xa5e/0x2b30 arch/x86/kvm/x86.c:11172 > kvm_vcpu_ioctl+0x570/0xfc0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4065 > vfs_ioctl fs/ioctl.c:51 [inline] > __do_sys_ioctl fs/ioctl.c:870 [inline] > __se_sys_ioctl fs/ioctl.c:856 [inline] > __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856 > do_syscall_x64 arch/x86/entry/common.c:50 [inline] > do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 > entry_SYSCALL_64_after_hwframe+0x63/0xcd > RIP: 0033:0x7f6a646982b9 > Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 > RSP: 002b:00007fffcf8d6828 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 > RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6a646982b9 > RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 > RBP: 00007f6a6465bd10 R08: 0000000000000000 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6a6465bda0 > R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 > </TASK> > > > --- > This report 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 issue. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > syzbot can test patches for this issue, for details see: > https://goo.gl/tpsmEJ#testing-patches > > -- > 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/000000000000c2ba5205ebe680bc%40google.com.
