[ 69.272316][ T26] audit: type=1800 audit(1567650976.954:27): pid=9905 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 69.294086][ T26] audit: type=1800 audit(1567650976.964:28): pid=9905 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 69.954604][ T26] audit: type=1800 audit(1567650977.714:29): pid=9905 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 69.976077][ T26] audit: type=1800 audit(1567650977.714:30): pid=9905 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.195' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 76.527870][T10059] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 76.556737][T10059] kvm [10059]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x20 [ 76.566185][T10059] kvm [10059]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x40 [ 76.575675][T10059] kvm [10059]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x60 [ 76.585357][T10059] kvm [10059]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x80 [ 76.594767][T10059] kvm [10059]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x94 [ 76.605136][T10059] kvm [10059]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x48c [ 76.614683][T10059] kvm [10059]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x4ac [ 76.624219][T10059] kvm [10059]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000005 data 0x1520 [ 76.633823][T10059] kvm [10059]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000006 data 0x15d4 [ 76.643364][T10059] kvm [10059]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000007 data 0x15c4 [ 76.656672][T10059] kasan: CONFIG_KASAN_INLINE enabled [ 76.662152][T10059] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 76.670391][T10059] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 76.677306][T10059] CPU: 0 PID: 10059 Comm: syz-executor612 Not tainted 5.3.0-rc7+ #0 [ 76.685270][T10059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.695335][T10059] RIP: 0010:__apic_accept_irq+0x46/0xbc0 [ 76.700973][T10059] Code: c0 44 89 45 d4 4c 89 4d c8 e8 96 db 5c 00 49 8d 86 98 00 00 00 48 89 c2 48 89 45 b8 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 65 0a 00 00 4d 8b be 98 00 00 00 0f 1f 44 00 00 [ 76.720745][T10059] RSP: 0018:ffff88809428f820 EFLAGS: 00010202 [ 76.726794][T10059] RAX: dffffc0000000000 RBX: ffff88809428f958 RCX: 0000000000000000 [ 76.734754][T10059] RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 [ 76.742753][T10059] RBP: ffff88809428f878 R08: 0000000000000000 R09: 0000000000000000 [ 76.750703][T10059] R10: fffff52000be9870 R11: ffffc90005f4c383 R12: 0000000000000000 [ 76.758651][T10059] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880907eaff0 [ 76.766720][T10059] FS: 0000555557391880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 76.775635][T10059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.782194][T10059] CR2: 0000000000000000 CR3: 00000000979ec000 CR4: 00000000001426f0 [ 76.790146][T10059] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.798104][T10059] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.806062][T10059] Call Trace: [ 76.809348][T10059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.815566][T10059] kvm_apic_set_irq+0x10b/0x170 [ 76.820393][T10059] kvm_hv_process_stimers+0xd55/0x1a10 [ 76.825852][T10059] ? kvm_hv_irq_routing_update+0x410/0x410 [ 76.831634][T10059] ? lock_acquire+0x190/0x410 [ 76.836290][T10059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.842507][T10059] ? __kasan_check_write+0x14/0x20 [ 76.847595][T10059] vcpu_enter_guest+0x4d2/0x5e90 [ 76.852512][T10059] ? mark_held_locks+0xf0/0xf0 [ 76.857252][T10059] ? kvm_vcpu_ioctl+0x181/0xfd0 [ 76.862083][T10059] ? handle_emulation_failure+0x4e0/0x4e0 [ 76.867792][T10059] ? lock_acquire+0x190/0x410 [ 76.872464][T10059] ? kvm_check_async_pf_completion+0x2d8/0x440 [ 76.878601][T10059] kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 76.884138][T10059] ? kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 76.889839][T10059] kvm_vcpu_ioctl+0x4dc/0xfd0 [ 76.894491][T10059] ? kvm_write_guest_cached+0x40/0x40 [ 76.899856][T10059] ? tomoyo_path_number_perm+0x263/0x520 [ 76.905466][T10059] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 76.911257][T10059] ? put_unused_fd+0x62/0x80 [ 76.915833][T10059] ? rwlock_bug.part.0+0x90/0x90 [ 76.920746][T10059] ? put_unused_fd+0x4f/0x80 [ 76.925314][T10059] ? kvm_write_guest_cached+0x40/0x40 [ 76.930769][T10059] do_vfs_ioctl+0xdb6/0x13e0 [ 76.935346][T10059] ? ioctl_preallocate+0x210/0x210 [ 76.940464][T10059] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 76.946297][T10059] ? __fget_light+0x1a9/0x230 [ 76.950988][T10059] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 76.957213][T10059] ? tomoyo_file_ioctl+0x23/0x30 [ 76.962127][T10059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.968352][T10059] ? security_file_ioctl+0x8d/0xc0 [ 76.973454][T10059] ksys_ioctl+0xab/0xd0 [ 76.977609][T10059] __x64_sys_ioctl+0x73/0xb0 [ 76.982184][T10059] do_syscall_64+0xfd/0x6a0 [ 76.986674][T10059] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.992540][T10059] RIP: 0033:0x442a19 [ 76.996413][T10059] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 1b 0c fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 77.016047][T10059] RSP: 002b:00007fff5d598008 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 77.024577][T10059] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000442a19 [ 77.032539][T10059] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 77.040498][T10059] RBP: 00000000006cd018 R08: 00000000004002c8 R09: 00000000004002c8 [ 77.048448][T10059] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000403ac0 [ 77.056392][T10059] R13: 0000000000403b50 R14: 0000000000000000 R15: 0000000000000000 [ 77.064347][T10059] Modules linked in: [ 77.068748][T10059] ---[ end trace 41a4c30e91f77875 ]--- [ 77.074269][T10059] RIP: 0010:__apic_accept_irq+0x46/0xbc0 [ 77.079895][T10059] Code: c0 44 89 45 d4 4c 89 4d c8 e8 96 db 5c 00 49 8d 86 98 00 00 00 48 89 c2 48 89 45 b8 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 65 0a 00 00 4d 8b be 98 00 00 00 0f 1f 44 00 00 [ 77.099554][T10059] RSP: 0018:ffff88809428f820 EFLAGS: 00010202 [ 77.106356][T10059] RAX: dffffc0000000000 RBX: ffff88809428f958 RCX: 0000000000000000 [ 77.115102][T10059] RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 [ 77.123099][T10059] RBP: ffff88809428f878 R08: 0000000000000000 R09: 0000000000000000 [ 77.131051][T10059] R10: fffff52000be9870 R11: ffffc90005f4c383 R12: 0000000000000000 [ 77.139140][T10059] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880907eaff0 [ 77.147132][T10059] FS: 0000555557391880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 77.156094][T10059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.162694][T10059] CR2: 0000000000000000 CR3: 00000000979ec000 CR4: 00000000001426f0 [ 77.170649][T10059] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.178649][T10059] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.186648][T10059] Kernel panic - not syncing: Fatal exception [ 77.194085][T10059] Kernel Offset: disabled [ 77.198413][T10059] Rebooting in 86400 seconds..