[ 67.508602][ T26] audit: type=1800 audit(1567641018.384:27): pid=9786 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 67.532311][ T26] audit: type=1800 audit(1567641018.394:28): pid=9786 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. [ 68.036257][ T26] audit: type=1800 audit(1567641019.014:29): pid=9786 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 [ 68.057686][ T26] audit: type=1800 audit(1567641019.014:30): pid=9786 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 '10.128.0.191' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 78.865139][ T9936] 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. [ 78.892316][ T9936] kvm [9936]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x20 [ 78.902027][ T9936] kvm [9936]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x40 [ 78.911503][ T9936] kvm [9936]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x60 [ 78.921105][ T9936] kvm [9936]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x80 [ 78.930440][ T9936] kvm [9936]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x94 [ 78.939719][ T9936] kvm [9936]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x48c [ 78.949131][ T9936] kvm [9936]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x4ac [ 78.958449][ T9936] kvm [9936]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000005 data 0x1520 [ 78.967923][ T9936] kvm [9936]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000006 data 0x15d4 [ 78.977365][ T9936] kvm [9936]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000007 data 0x15c4 [ 78.990521][ T9936] kasan: CONFIG_KASAN_INLINE enabled [ 78.995798][ T9936] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 79.004016][ T9936] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 79.010959][ T9936] CPU: 0 PID: 9936 Comm: syz-executor965 Not tainted 5.3.0-rc7+ #0 [ 79.018838][ T9936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.028949][ T9936] RIP: 0010:__apic_accept_irq+0x46/0xbc0 [ 79.034597][ T9936] 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 [ 79.054386][ T9936] RSP: 0018:ffff888095fb78d0 EFLAGS: 00010202 [ 79.060443][ T9936] RAX: dffffc0000000000 RBX: ffff888095fb7a08 RCX: 0000000000000000 [ 79.068419][ T9936] RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 [ 79.076378][ T9936] RBP: ffff888095fb7928 R08: 0000000000000000 R09: 0000000000000000 [ 79.084425][ T9936] R10: fffff52000be8c70 R11: ffffc90005f46383 R12: 0000000000000000 [ 79.092397][ T9936] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88809152aff0 [ 79.100366][ T9936] FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000572b2840 [ 79.109276][ T9936] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 79.115834][ T9936] CR2: 0000000000000000 CR3: 000000008fc40000 CR4: 00000000001426f0 [ 79.123786][ T9936] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.131735][ T9936] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.139681][ T9936] Call Trace: [ 79.142956][ T9936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.149176][ T9936] kvm_apic_set_irq+0x10b/0x170 [ 79.154003][ T9936] kvm_hv_process_stimers+0xd55/0x1a10 [ 79.159476][ T9936] ? kvm_hv_irq_routing_update+0x410/0x410 [ 79.165298][ T9936] ? lock_acquire+0x190/0x410 [ 79.170145][ T9936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.176462][ T9936] ? __kasan_check_write+0x14/0x20 [ 79.181566][ T9936] vcpu_enter_guest+0x4d2/0x5e90 [ 79.186484][ T9936] ? mark_held_locks+0xf0/0xf0 [ 79.191671][ T9936] ? handle_emulation_failure+0x4e0/0x4e0 [ 79.197366][ T9936] ? lock_acquire+0x190/0x410 [ 79.202096][ T9936] ? kvm_check_async_pf_completion+0x2d8/0x440 [ 79.208394][ T9936] kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 79.213951][ T9936] ? kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 79.219687][ T9936] kvm_vcpu_ioctl+0x4dc/0xfd0 [ 79.224346][ T9936] ? kvm_write_guest_cached+0x40/0x40 [ 79.229728][ T9936] ? put_unused_fd+0x4f/0x80 [ 79.234310][ T9936] kvm_vcpu_compat_ioctl+0x1c4/0x3a0 [ 79.240273][ T9936] ? kvm_vcpu_ioctl+0xfd0/0xfd0 [ 79.245117][ T9936] ? tomoyo_file_ioctl+0x23/0x30 [ 79.250310][ T9936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 79.256640][ T9936] ? security_file_ioctl+0x8d/0xc0 [ 79.261734][ T9936] ? kvm_vcpu_ioctl+0xfd0/0xfd0 [ 79.266738][ T9936] __ia32_compat_sys_ioctl+0x195/0x620 [ 79.272181][ T9936] do_fast_syscall_32+0x27b/0xdb3 [ 79.277185][ T9936] entry_SYSENTER_compat+0x70/0x7f [ 79.282270][ T9936] RIP: 0023:0xf7f0ea29 [ 79.286326][ T9936] Code: b8 80 96 98 00 eb cc 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 79.306435][ T9936] RSP: 002b:00000000ffefcccc EFLAGS: 00000217 ORIG_RAX: 0000000000000036 [ 79.314920][ T9936] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000000ae80 [ 79.322868][ T9936] RDX: 0000000000000000 RSI: 0000000000000036 RDI: 00000000ffffffff [ 79.330903][ T9936] RBP: 000000004020ae46 R08: 0000000000000000 R09: 0000000000000000 [ 79.338851][ T9936] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 79.346799][ T9936] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 79.354752][ T9936] Modules linked in: [ 79.359207][ T9936] ---[ end trace 6f36be98099efadb ]--- [ 79.364696][ T9936] RIP: 0010:__apic_accept_irq+0x46/0xbc0 [ 79.370759][ T9936] 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 [ 79.390608][ T9936] RSP: 0018:ffff888095fb78d0 EFLAGS: 00010202 [ 79.396661][ T9936] RAX: dffffc0000000000 RBX: ffff888095fb7a08 RCX: 0000000000000000 [ 79.404688][ T9936] RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 [ 79.412689][ T9936] RBP: ffff888095fb7928 R08: 0000000000000000 R09: 0000000000000000 [ 79.420691][ T9936] R10: fffff52000be8c70 R11: ffffc90005f46383 R12: 0000000000000000 [ 79.428665][ T9936] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88809152aff0 [ 79.436697][ T9936] FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000572b2840 [ 79.445696][ T9936] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 79.452837][ T9936] CR2: 0000000000000000 CR3: 000000008fc40000 CR4: 00000000001426f0 [ 79.460948][ T9936] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.468926][ T9936] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.477000][ T9936] Kernel panic - not syncing: Fatal exception [ 79.484665][ T9936] Kernel Offset: disabled [ 79.488986][ T9936] Rebooting in 86400 seconds..