[ 67.326781][ T26] audit: type=1800 audit(1567648014.169:27): pid=9760 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 67.350521][ T26] audit: type=1800 audit(1567648014.169:28): pid=9760 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. [ 68.156462][ T26] audit: type=1800 audit(1567648015.039:29): pid=9760 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 [ 68.177175][ T26] audit: type=1800 audit(1567648015.039:30): pid=9760 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 '10.128.10.34' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 76.416601][ T9911] 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. [ 76.444798][ T9911] kvm [9911]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x20 [ 76.454221][ T9911] kvm [9911]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x40 [ 76.464783][ T9911] kvm [9911]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x60 [ 76.474189][ T9911] kvm [9911]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x80 [ 76.483749][ T9911] kvm [9911]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x94 [ 76.493186][ T9911] kvm [9911]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x48c [ 76.502774][ T9911] kvm [9911]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x4ac [ 76.512190][ T9911] kvm [9911]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000005 data 0x1520 [ 76.521653][ T9911] kvm [9911]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000006 data 0x15d4 [ 76.531129][ T9911] kvm [9911]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000007 data 0x15c4 [ 76.544541][ T9911] kasan: CONFIG_KASAN_INLINE enabled [ 76.549832][ T9911] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 76.558290][ T9911] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 76.565247][ T9911] CPU: 1 PID: 9911 Comm: syz-executor523 Not tainted 5.3.0-rc7+ #0 [ 76.573649][ T9911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.583711][ T9911] RIP: 0010:__apic_accept_irq+0x46/0xbc0 [ 76.589329][ T9911] 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 [ 76.608926][ T9911] RSP: 0018:ffff88809ae47820 EFLAGS: 00010202 [ 76.614973][ T9911] RAX: dffffc0000000000 RBX: ffff88809ae47958 RCX: 0000000000000000 [ 76.622933][ T9911] RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 [ 76.630909][ T9911] RBP: ffff88809ae47878 R08: 0000000000000000 R09: 0000000000000000 [ 76.639006][ T9911] R10: fffff52000be6870 R11: ffffc90005f34383 R12: 0000000000000000 [ 76.646998][ T9911] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880921a2ff0 [ 76.654958][ T9911] FS: 000055555610e880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 76.663962][ T9911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.670531][ T9911] CR2: 0000000000000000 CR3: 00000000a91c3000 CR4: 00000000001426e0 [ 76.678683][ T9911] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.686789][ T9911] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.694745][ T9911] Call Trace: [ 76.698029][ T9911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.704255][ T9911] kvm_apic_set_irq+0x10b/0x170 [ 76.709110][ T9911] kvm_hv_process_stimers+0xd55/0x1a10 [ 76.714571][ T9911] ? kvm_hv_irq_routing_update+0x410/0x410 [ 76.720358][ T9911] ? lock_acquire+0x190/0x410 [ 76.725023][ T9911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.731244][ T9911] ? __kasan_check_write+0x14/0x20 [ 76.736594][ T9911] vcpu_enter_guest+0x4d2/0x5e90 [ 76.741520][ T9911] ? mark_held_locks+0xf0/0xf0 [ 76.746263][ T9911] ? kvm_vcpu_ioctl+0x181/0xfd0 [ 76.751115][ T9911] ? handle_emulation_failure+0x4e0/0x4e0 [ 76.756809][ T9911] ? lock_acquire+0x190/0x410 [ 76.761562][ T9911] ? kvm_check_async_pf_completion+0x2d8/0x440 [ 76.767787][ T9911] kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 76.773311][ T9911] ? kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 76.779019][ T9911] kvm_vcpu_ioctl+0x4dc/0xfd0 [ 76.783686][ T9911] ? kvm_write_guest_cached+0x40/0x40 [ 76.789048][ T9911] ? tomoyo_path_number_perm+0x263/0x520 [ 76.794659][ T9911] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 76.800546][ T9911] ? put_unused_fd+0x62/0x80 [ 76.805123][ T9911] ? rwlock_bug.part.0+0x90/0x90 [ 76.810039][ T9911] ? put_unused_fd+0x4f/0x80 [ 76.814701][ T9911] ? kvm_write_guest_cached+0x40/0x40 [ 76.820055][ T9911] do_vfs_ioctl+0xdb6/0x13e0 [ 76.824633][ T9911] ? ioctl_preallocate+0x210/0x210 [ 76.829729][ T9911] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 76.835426][ T9911] ? __fget_light+0x1a9/0x230 [ 76.840093][ T9911] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 76.846313][ T9911] ? tomoyo_file_ioctl+0x23/0x30 [ 76.851228][ T9911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.857454][ T9911] ? security_file_ioctl+0x8d/0xc0 [ 76.863245][ T9911] ksys_ioctl+0xab/0xd0 [ 76.867376][ T9911] __x64_sys_ioctl+0x73/0xb0 [ 76.871947][ T9911] do_syscall_64+0xfd/0x6a0 [ 76.876427][ T9911] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.882293][ T9911] RIP: 0033:0x442a19 [ 76.886251][ T9911] 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 [ 76.906326][ T9911] RSP: 002b:00007ffcf4487498 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.914817][ T9911] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000442a19 [ 76.922766][ T9911] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 76.930728][ T9911] RBP: 00000000006cd018 R08: 00000000004002c8 R09: 00000000004002c8 [ 76.938680][ T9911] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000403ac0 [ 76.946819][ T9911] R13: 0000000000403b50 R14: 0000000000000000 R15: 0000000000000000 [ 76.954794][ T9911] Modules linked in: [ 76.959828][ T9911] ---[ end trace 8e6e8f5318ff1b91 ]--- [ 76.965394][ T9911] RIP: 0010:__apic_accept_irq+0x46/0xbc0 [ 76.971018][ T9911] 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 [ 76.990682][ T9911] RSP: 0018:ffff88809ae47820 EFLAGS: 00010202 [ 76.996787][ T9911] RAX: dffffc0000000000 RBX: ffff88809ae47958 RCX: 0000000000000000 [ 77.004789][ T9911] RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 [ 77.012917][ T9911] RBP: ffff88809ae47878 R08: 0000000000000000 R09: 0000000000000000 [ 77.021024][ T9911] R10: fffff52000be6870 R11: ffffc90005f34383 R12: 0000000000000000 [ 77.029062][ T9911] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880921a2ff0 [ 77.037061][ T9911] FS: 000055555610e880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 77.046009][ T9911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.052574][ T9911] CR2: 0000000000000000 CR3: 00000000a91c3000 CR4: 00000000001426e0 [ 77.060603][ T9911] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.068599][ T9911] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.076588][ T9911] Kernel panic - not syncing: Fatal exception [ 77.084475][ T9911] Kernel Offset: disabled [ 77.088799][ T9911] Rebooting in 86400 seconds..