[ 68.024046][ T26] audit: type=1800 audit(1567640933.540:27): pid=9870 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 68.046946][ T26] audit: type=1800 audit(1567640933.540:28): pid=9870 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. [ 68.575477][ T26] audit: type=1800 audit(1567640934.170:29): pid=9870 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 [ 68.596150][ T26] audit: type=1800 audit(1567640934.170:30): pid=9870 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 '10.128.0.97' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 91.444569][T10024] 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. [ 91.472927][T10024] kvm [10024]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x20 [ 91.482711][T10024] kvm [10024]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x40 [ 91.492240][T10024] kvm [10024]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x60 [ 91.501604][T10024] kvm [10024]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x80 [ 91.510991][T10024] kvm [10024]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x94 [ 91.520369][T10024] kvm [10024]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x48c [ 91.529821][T10024] kvm [10024]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x4ac [ 91.539289][T10024] kvm [10024]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000005 data 0x1520 [ 91.548843][T10024] kvm [10024]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000006 data 0x15d4 [ 91.558367][T10024] kvm [10024]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000007 data 0x15c4 [ 91.571777][T10024] kasan: CONFIG_KASAN_INLINE enabled [ 91.577090][T10024] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 91.585223][T10024] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 91.592615][T10024] CPU: 1 PID: 10024 Comm: syz-executor365 Not tainted 5.3.0-rc7+ #0 [ 91.600565][T10024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.610606][T10024] RIP: 0010:__apic_accept_irq+0x46/0xbc0 [ 91.616215][T10024] 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 [ 91.636228][T10024] RSP: 0018:ffff888091a0f820 EFLAGS: 00010202 [ 91.642355][T10024] RAX: dffffc0000000000 RBX: ffff888091a0f958 RCX: 0000000000000000 [ 91.650308][T10024] RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 [ 91.658253][T10024] RBP: ffff888091a0f878 R08: 0000000000000000 R09: 0000000000000000 [ 91.666641][T10024] R10: fffff52000be8c70 R11: ffffc90005f46383 R12: 0000000000000000 [ 91.674586][T10024] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888093e22ff0 [ 91.682796][T10024] FS: 0000555555f66880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 91.691709][T10024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.698280][T10024] CR2: 0000000000000000 CR3: 000000009700d000 CR4: 00000000001426e0 [ 91.706229][T10024] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.714235][T10024] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.722212][T10024] Call Trace: [ 91.725499][T10024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.731740][T10024] kvm_apic_set_irq+0x10b/0x170 [ 91.736589][T10024] kvm_hv_process_stimers+0xd55/0x1a10 [ 91.742308][T10024] ? kvm_hv_irq_routing_update+0x410/0x410 [ 91.748090][T10024] ? lock_acquire+0x190/0x410 [ 91.752831][T10024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.759068][T10024] ? __kasan_check_write+0x14/0x20 [ 91.764209][T10024] vcpu_enter_guest+0x4d2/0x5e90 [ 91.769139][T10024] ? mark_held_locks+0xf0/0xf0 [ 91.773974][T10024] ? kvm_vcpu_ioctl+0x181/0xfd0 [ 91.778811][T10024] ? handle_emulation_failure+0x4e0/0x4e0 [ 91.784639][T10024] ? lock_acquire+0x190/0x410 [ 91.789316][T10024] ? kvm_check_async_pf_completion+0x2d8/0x440 [ 91.795507][T10024] kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 91.801034][T10024] ? kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 91.806740][T10024] kvm_vcpu_ioctl+0x4dc/0xfd0 [ 91.811401][T10024] ? kvm_write_guest_cached+0x40/0x40 [ 91.816841][T10024] ? tomoyo_path_number_perm+0x263/0x520 [ 91.822466][T10024] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 91.828356][T10024] ? put_unused_fd+0x62/0x80 [ 91.832940][T10024] ? rwlock_bug.part.0+0x90/0x90 [ 91.837870][T10024] ? put_unused_fd+0x4f/0x80 [ 91.842440][T10024] ? kvm_write_guest_cached+0x40/0x40 [ 91.847791][T10024] do_vfs_ioctl+0xdb6/0x13e0 [ 91.852359][T10024] ? ioctl_preallocate+0x210/0x210 [ 91.857450][T10024] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 91.863145][T10024] ? __fget_light+0x1a9/0x230 [ 91.867799][T10024] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 91.874030][T10024] ? tomoyo_file_ioctl+0x23/0x30 [ 91.878961][T10024] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 91.885177][T10024] ? security_file_ioctl+0x8d/0xc0 [ 91.890264][T10024] ksys_ioctl+0xab/0xd0 [ 91.894394][T10024] __x64_sys_ioctl+0x73/0xb0 [ 91.898962][T10024] do_syscall_64+0xfd/0x6a0 [ 91.903443][T10024] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.909309][T10024] RIP: 0033:0x442a19 [ 91.913207][T10024] 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 [ 91.932785][T10024] RSP: 002b:00007fffc77a6188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 91.941951][T10024] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000442a19 [ 91.949916][T10024] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 91.957878][T10024] RBP: 00000000006cd018 R08: 00000000004002c8 R09: 00000000004002c8 [ 91.965823][T10024] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000403ac0 [ 91.973770][T10024] R13: 0000000000403b50 R14: 0000000000000000 R15: 0000000000000000 [ 91.981727][T10024] Modules linked in: [ 91.985794][T10024] ---[ end trace 9ab3c6c36f2d1d36 ]--- [ 91.991290][T10024] RIP: 0010:__apic_accept_irq+0x46/0xbc0 [ 91.997028][T10024] 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 [ 92.016699][T10024] RSP: 0018:ffff888091a0f820 EFLAGS: 00010202 [ 92.022863][T10024] RAX: dffffc0000000000 RBX: ffff888091a0f958 RCX: 0000000000000000 [ 92.030871][T10024] RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 [ 92.038941][T10024] RBP: ffff888091a0f878 R08: 0000000000000000 R09: 0000000000000000 [ 92.046909][T10024] R10: fffff52000be8c70 R11: ffffc90005f46383 R12: 0000000000000000 [ 92.054925][T10024] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888093e22ff0 [ 92.062934][T10024] FS: 0000555555f66880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 92.071880][T10024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.078473][T10024] CR2: 0000000000000000 CR3: 000000009700d000 CR4: 00000000001426e0 [ 92.086481][T10024] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.094485][T10024] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.102473][T10024] Kernel panic - not syncing: Fatal exception [ 92.110243][T10024] Kernel Offset: disabled [ 92.114578][T10024] Rebooting in 86400 seconds..