[ 64.794962][ T26] audit: type=1800 audit(1567648090.111:27): pid=9698 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 64.817986][ T26] audit: type=1800 audit(1567648090.111:28): pid=9698 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. [ 65.568257][ T26] audit: type=1800 audit(1567648090.951:29): pid=9698 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 [ 65.592687][ T26] audit: type=1800 audit(1567648090.961:30): pid=9698 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 '10.128.0.103' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 75.688601][ T9850] 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. [ 75.716265][ T9850] kvm [9850]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x20 [ 75.725871][ T9850] kvm [9850]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x40 [ 75.735227][ T9850] kvm [9850]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x60 [ 75.744561][ T9850] kvm [9850]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x80 [ 75.753852][ T9850] kvm [9850]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x94 [ 75.763195][ T9850] kvm [9850]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x48c [ 75.772651][ T9850] kvm [9850]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x4ac [ 75.782047][ T9850] kvm [9850]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000005 data 0x1520 [ 75.791434][ T9850] kvm [9850]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000006 data 0x15d4 [ 75.800883][ T9850] kvm [9850]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000007 data 0x15c4 [ 75.814186][ T9850] kasan: CONFIG_KASAN_INLINE enabled [ 75.819468][ T9850] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 75.827736][ T9850] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 75.834700][ T9850] CPU: 1 PID: 9850 Comm: syz-executor853 Not tainted 5.3.0-rc7+ #0 [ 75.842580][ T9850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.852623][ T9850] RIP: 0010:__apic_accept_irq+0x46/0xbc0 [ 75.858235][ T9850] 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 [ 75.877908][ T9850] RSP: 0018:ffff8880a9287820 EFLAGS: 00010202 [ 75.883951][ T9850] RAX: dffffc0000000000 RBX: ffff8880a9287958 RCX: 0000000000000000 [ 75.891901][ T9850] RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 [ 75.899850][ T9850] RBP: ffff8880a9287878 R08: 0000000000000000 R09: 0000000000000000 [ 75.907799][ T9850] R10: fffff52000beac70 R11: ffffc90005f56383 R12: 0000000000000000 [ 75.915762][ T9850] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888092c72ff0 [ 75.923722][ T9850] FS: 0000555556852880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 75.932641][ T9850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.939220][ T9850] CR2: 0000000000000000 CR3: 000000009aefc000 CR4: 00000000001426e0 [ 75.947176][ T9850] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.955228][ T9850] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.963263][ T9850] Call Trace: [ 75.966600][ T9850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.972952][ T9850] kvm_apic_set_irq+0x10b/0x170 [ 75.977787][ T9850] kvm_hv_process_stimers+0xd55/0x1a10 [ 75.983271][ T9850] ? kvm_hv_irq_routing_update+0x410/0x410 [ 75.989056][ T9850] ? lock_acquire+0x190/0x410 [ 75.993859][ T9850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.000202][ T9850] ? __kasan_check_write+0x14/0x20 [ 76.005301][ T9850] vcpu_enter_guest+0x4d2/0x5e90 [ 76.010237][ T9850] ? mark_held_locks+0xf0/0xf0 [ 76.014984][ T9850] ? kvm_vcpu_ioctl+0x181/0xfd0 [ 76.019819][ T9850] ? handle_emulation_failure+0x4e0/0x4e0 [ 76.025532][ T9850] ? lock_acquire+0x190/0x410 [ 76.030204][ T9850] ? kvm_check_async_pf_completion+0x2d8/0x440 [ 76.036338][ T9850] kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 76.041861][ T9850] ? kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 76.047657][ T9850] kvm_vcpu_ioctl+0x4dc/0xfd0 [ 76.053356][ T9850] ? kvm_write_guest_cached+0x40/0x40 [ 76.058800][ T9850] ? tomoyo_path_number_perm+0x263/0x520 [ 76.064434][ T9850] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 76.070341][ T9850] ? put_unused_fd+0x62/0x80 [ 76.074912][ T9850] ? rwlock_bug.part.0+0x90/0x90 [ 76.079829][ T9850] ? put_unused_fd+0x4f/0x80 [ 76.084400][ T9850] ? kvm_write_guest_cached+0x40/0x40 [ 76.089757][ T9850] do_vfs_ioctl+0xdb6/0x13e0 [ 76.094342][ T9850] ? ioctl_preallocate+0x210/0x210 [ 76.099442][ T9850] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 76.105147][ T9850] ? __fget_light+0x1a9/0x230 [ 76.109829][ T9850] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 76.116062][ T9850] ? tomoyo_file_ioctl+0x23/0x30 [ 76.120980][ T9850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.127199][ T9850] ? security_file_ioctl+0x8d/0xc0 [ 76.132292][ T9850] ksys_ioctl+0xab/0xd0 [ 76.136423][ T9850] __x64_sys_ioctl+0x73/0xb0 [ 76.141019][ T9850] do_syscall_64+0xfd/0x6a0 [ 76.145517][ T9850] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.151383][ T9850] RIP: 0033:0x442a19 [ 76.155261][ T9850] 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 [ 76.175070][ T9850] RSP: 002b:00007ffc5769c118 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.183463][ T9850] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000442a19 [ 76.191450][ T9850] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 76.199414][ T9850] RBP: 00000000006cd018 R08: 00000000004002c8 R09: 00000000004002c8 [ 76.207374][ T9850] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000403ac0 [ 76.215338][ T9850] R13: 0000000000403b50 R14: 0000000000000000 R15: 0000000000000000 [ 76.223403][ T9850] Modules linked in: [ 76.227458][ T9850] ---[ end trace 243d79e153de6af3 ]--- [ 76.233009][ T9850] RIP: 0010:__apic_accept_irq+0x46/0xbc0 [ 76.238681][ T9850] 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 [ 76.258380][ T9850] RSP: 0018:ffff8880a9287820 EFLAGS: 00010202 [ 76.264486][ T9850] RAX: dffffc0000000000 RBX: ffff8880a9287958 RCX: 0000000000000000 [ 76.272500][ T9850] RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 [ 76.280578][ T9850] RBP: ffff8880a9287878 R08: 0000000000000000 R09: 0000000000000000 [ 76.288577][ T9850] R10: fffff52000beac70 R11: ffffc90005f56383 R12: 0000000000000000 [ 76.296568][ T9850] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888092c72ff0 [ 76.304554][ T9850] FS: 0000555556852880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 76.313506][ T9850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.320066][ T9850] CR2: 0000000000000000 CR3: 000000009aefc000 CR4: 00000000001426e0 [ 76.328054][ T9850] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.336050][ T9850] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.344035][ T9850] Kernel panic - not syncing: Fatal exception [ 76.351539][ T9850] Kernel Offset: disabled [ 76.355867][ T9850] Rebooting in 86400 seconds..