[ 68.535299][ T26] audit: type=1800 audit(1567643283.552:27): pid=9955 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 68.599540][ T26] audit: type=1800 audit(1567643283.552:28): pid=9955 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. [ 69.054535][ T26] audit: type=1800 audit(1567643284.102:29): pid=9955 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 [ 69.075143][ T26] audit: type=1800 audit(1567643284.102:30): pid=9955 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 '10.128.10.38' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 95.492951][T10107] 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. [ 95.521383][T10107] kvm [10107]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x20 [ 95.531464][T10107] kvm [10107]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x40 [ 95.541261][T10107] kvm [10107]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x60 [ 95.550704][T10107] kvm [10107]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x80 [ 95.560155][T10107] kvm [10107]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x94 [ 95.570106][T10107] kvm [10107]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x48c [ 95.579935][T10107] kvm [10107]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x4ac [ 95.589482][T10107] kvm [10107]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000005 data 0x1520 [ 95.599074][T10107] kvm [10107]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000006 data 0x15d4 [ 95.608698][T10107] kvm [10107]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000007 data 0x15c4 [ 95.622000][T10107] kasan: CONFIG_KASAN_INLINE enabled [ 95.627398][T10107] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 95.635485][T10107] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 95.642408][T10107] CPU: 0 PID: 10107 Comm: syz-executor053 Not tainted 5.3.0-rc7+ #0 [ 95.650363][T10107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.660437][T10107] RIP: 0010:__apic_accept_irq+0x46/0xbc0 [ 95.666048][T10107] 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 [ 95.685648][T10107] RSP: 0018:ffff8880a8b47820 EFLAGS: 00010202 [ 95.692035][T10107] RAX: dffffc0000000000 RBX: ffff8880a8b47958 RCX: 0000000000000000 [ 95.700137][T10107] RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 [ 95.708154][T10107] RBP: ffff8880a8b47878 R08: 0000000000000000 R09: 0000000000000000 [ 95.716108][T10107] R10: fffff52000be8870 R11: ffffc90005f44383 R12: 0000000000000000 [ 95.724152][T10107] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888089c72ff0 [ 95.732195][T10107] FS: 00005555571a3880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 95.741199][T10107] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.747940][T10107] CR2: 0000000000000000 CR3: 00000000a18cf000 CR4: 00000000001426f0 [ 95.755913][T10107] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 95.764067][T10107] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 95.772020][T10107] Call Trace: [ 95.775317][T10107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.781573][T10107] kvm_apic_set_irq+0x10b/0x170 [ 95.786419][T10107] kvm_hv_process_stimers+0xd55/0x1a10 [ 95.791934][T10107] ? kvm_hv_irq_routing_update+0x410/0x410 [ 95.797728][T10107] ? lock_acquire+0x190/0x410 [ 95.802397][T10107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.808703][T10107] ? __kasan_check_write+0x14/0x20 [ 95.813806][T10107] vcpu_enter_guest+0x4d2/0x5e90 [ 95.818733][T10107] ? mark_held_locks+0xf0/0xf0 [ 95.823498][T10107] ? kvm_vcpu_ioctl+0x181/0xfd0 [ 95.828360][T10107] ? handle_emulation_failure+0x4e0/0x4e0 [ 95.834061][T10107] ? lock_acquire+0x190/0x410 [ 95.838724][T10107] ? kvm_check_async_pf_completion+0x2d8/0x440 [ 95.844856][T10107] kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 95.850400][T10107] ? kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 95.856117][T10107] kvm_vcpu_ioctl+0x4dc/0xfd0 [ 95.860773][T10107] ? kvm_write_guest_cached+0x40/0x40 [ 95.866127][T10107] ? tomoyo_path_number_perm+0x263/0x520 [ 95.871743][T10107] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 95.877723][T10107] ? put_unused_fd+0x62/0x80 [ 95.882296][T10107] ? rwlock_bug.part.0+0x90/0x90 [ 95.887211][T10107] ? put_unused_fd+0x4f/0x80 [ 95.891890][T10107] ? kvm_write_guest_cached+0x40/0x40 [ 95.897343][T10107] do_vfs_ioctl+0xdb6/0x13e0 [ 95.901917][T10107] ? ioctl_preallocate+0x210/0x210 [ 95.907011][T10107] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 95.912738][T10107] ? __fget_light+0x1a9/0x230 [ 95.917407][T10107] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 95.923638][T10107] ? tomoyo_file_ioctl+0x23/0x30 [ 95.928591][T10107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.934823][T10107] ? security_file_ioctl+0x8d/0xc0 [ 95.939914][T10107] ksys_ioctl+0xab/0xd0 [ 95.944143][T10107] __x64_sys_ioctl+0x73/0xb0 [ 95.948733][T10107] do_syscall_64+0xfd/0x6a0 [ 95.953228][T10107] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.959099][T10107] RIP: 0033:0x442a19 [ 95.962977][T10107] 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 [ 95.982581][T10107] RSP: 002b:00007ffe7ef5bba8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 95.991059][T10107] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000442a19 [ 96.003546][T10107] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 96.011509][T10107] RBP: 00000000006cd018 R08: 00000000004002c8 R09: 00000000004002c8 [ 96.019472][T10107] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000403ac0 [ 96.027429][T10107] R13: 0000000000403b50 R14: 0000000000000000 R15: 0000000000000000 [ 96.035531][T10107] Modules linked in: [ 96.039632][T10107] ---[ end trace c2d5915e6d9cf258 ]--- [ 96.045107][T10107] RIP: 0010:__apic_accept_irq+0x46/0xbc0 [ 96.050793][T10107] 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 [ 96.070692][T10107] RSP: 0018:ffff8880a8b47820 EFLAGS: 00010202 [ 96.076777][T10107] RAX: dffffc0000000000 RBX: ffff8880a8b47958 RCX: 0000000000000000 [ 96.084745][T10107] RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 [ 96.092751][T10107] RBP: ffff8880a8b47878 R08: 0000000000000000 R09: 0000000000000000 [ 96.100750][T10107] R10: fffff52000be8870 R11: ffffc90005f44383 R12: 0000000000000000 [ 96.108743][T10107] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888089c72ff0 [ 96.116756][T10107] FS: 00005555571a3880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 96.125726][T10107] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 96.132305][T10107] CR2: 0000000000000000 CR3: 00000000a18cf000 CR4: 00000000001426f0 [ 96.140329][T10107] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 96.148315][T10107] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 96.156305][T10107] Kernel panic - not syncing: Fatal exception [ 96.163898][T10107] Kernel Offset: disabled [ 96.168228][T10107] Rebooting in 86400 seconds..