[[0;32m OK [0m] Started Getty on tty4.
[[0;32m OK [0m] Started Getty on tty3.
[[0;32m OK [0m] Started Getty on tty2.
[[0;32m OK [0m] Started Getty on tty1.
[[0;32m OK [0m] Started Serial Getty on ttyS0.
[[0;32m OK [0m] Reached target Login Prompts.
[[0;32m OK [0m] Reached target Multi-User System.
[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.1.113' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 67.365944][ T8370] 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.
[ 67.413626][ T8370] general protection fault, probably for non-canonical address 0xdffffc0000000028: 0000 [#1] PREEMPT SMP KASAN
[ 67.425369][ T8370] KASAN: null-ptr-deref in range [0x0000000000000140-0x0000000000000147]
[ 67.433809][ T8370] CPU: 1 PID: 8370 Comm: syz-executor859 Not tainted 5.11.0-syzkaller #0
[ 67.442228][ T8370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 67.452286][ T8370] RIP: 0010:kvm_hv_irq_routing_update+0x230/0x460
[ 67.458819][ T8370] Code: 80 19 00 00 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 ff 01 00 00 4d 8b ad 80 19 00 00 49 8d bd 40 01 00 00 48 89 f8 48 c1 e8 03 <0f> b6 04 28 84 c0 74 06 0f 8e d2 01 00 00 45 0f b6 bd 40 01 00 00
[ 67.478474][ T8370] RSP: 0018:ffffc90001b3fac0 EFLAGS: 00010206
[ 67.484532][ T8370] RAX: 0000000000000028 RBX: ffff888012df5900 RCX: 0000000000000000
[ 67.492490][ T8370] RDX: ffff888022193780 RSI: ffffffff81174d43 RDI: 0000000000000140
[ 67.500456][ T8370] RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffc900018819eb
[ 67.508409][ T8370] R10: ffffffff81170f3e R11: 0000000000000000 R12: 0000000000000000
[ 67.516359][ T8370] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[ 67.524321][ T8370] FS: 0000000000a73300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[ 67.533242][ T8370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 67.539807][ T8370] CR2: 0000557e8c876888 CR3: 0000000013c0b000 CR4: 00000000001526e0
[ 67.547758][ T8370] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 67.555708][ T8370] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 67.563657][ T8370] Call Trace:
[ 67.566918][ T8370] kvm_set_irq_routing+0x69b/0x940
[ 67.572030][ T8370] kvm_vm_ioctl+0x12d0/0x2800
[ 67.576694][ T8370] ? tomoyo_path_number_perm+0x204/0x590
[ 67.582336][ T8370] ? lock_downgrade+0x6d0/0x6d0
[ 67.587170][ T8370] ? slab_free_freelist_hook+0x51/0x130
[ 67.592700][ T8370] ? kvm_unregister_device_ops+0x90/0x90
[ 67.598313][ T8370] ? tomoyo_path_number_perm+0x441/0x590
[ 67.603930][ T8370] ? kfree+0xdb/0x3b0
[ 67.607908][ T8370] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[ 67.614141][ T8370] ? tomoyo_path_number_perm+0x24e/0x590
[ 67.619755][ T8370] ? tomoyo_execute_permission+0x4a0/0x4a0
[ 67.625546][ T8370] ? lock_is_held_type+0xd5/0x130
[ 67.630565][ T8370] ? fd_install+0x1e3/0x640
[ 67.635050][ T8370] ? __sanitizer_cov_trace_switch+0x63/0xf0
[ 67.640955][ T8370] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80
[ 67.647186][ T8370] ? do_vfs_ioctl+0x27d/0x1090
[ 67.651948][ T8370] ? generic_block_fiemap+0x60/0x60
[ 67.657130][ T8370] ? kvm_dev_ioctl+0xdd/0x13a0
[ 67.661891][ T8370] ? kvm_put_kvm+0xb10/0xb10
[ 67.666463][ T8370] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 67.672689][ T8370] ? kvm_unregister_device_ops+0x90/0x90
[ 67.678322][ T8370] __x64_sys_ioctl+0x193/0x200
[ 67.683071][ T8370] do_syscall_64+0x2d/0x70
[ 67.687472][ T8370] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 67.693348][ T8370] RIP: 0033:0x43ef29
[ 67.697222][ T8370] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
[ 67.716823][ T8370] RSP: 002b:00007ffe391eb808 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 67.725217][ T8370] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043ef29
[ 67.733171][ T8370] RDX: 0000000020000140 RSI: 000000004008ae6a RDI: 0000000000000004
[ 67.741122][ T8370] RBP: 0000000000402f10 R08: 0000000000400488 R09: 0000000000400488
[ 67.749085][ T8370] R10: 0000000000400488 R11: 0000000000000246 R12: 0000000000402fa0
[ 67.757038][ T8370] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488
[ 67.766034][ T8370] Modules linked in:
[ 67.770395][ T8370] ---[ end trace 2aa75ec1dd148710 ]---
[ 67.775863][ T8370] RIP: 0010:kvm_hv_irq_routing_update+0x230/0x460
[ 67.782349][ T8370] Code: 80 19 00 00 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 ff 01 00 00 4d 8b ad 80 19 00 00 49 8d bd 40 01 00 00 48 89 f8 48 c1 e8 03 <0f> b6 04 28 84 c0 74 06 0f 8e d2 01 00 00 45 0f b6 bd 40 01 00 00
[ 67.802087][ T8370] RSP: 0018:ffffc90001b3fac0 EFLAGS: 00010206
[ 67.808189][ T8370] RAX: 0000000000000028 RBX: ffff888012df5900 RCX: 0000000000000000
[ 67.816876][ T8370] RDX: ffff888022193780 RSI: ffffffff81174d43 RDI: 0000000000000140
[ 67.824854][ T8370] RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffc900018819eb
[ 67.833249][ T8370] R10: ffffffff81170f3e R11: 0000000000000000 R12: 0000000000000000
[ 67.841556][ T8370] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[ 67.849585][ T8370] FS: 0000000000a73300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[ 67.858606][ T8370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 67.865197][ T8370] CR2: 0000557e8c876888 CR3: 0000000013c0b000 CR4: 00000000001526e0
[ 67.873187][ T8370] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 67.881207][ T8370] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 67.889246][ T8370] Kernel panic - not syncing: Fatal exception
[ 67.895763][ T8370] Kernel Offset: disabled
[ 67.900089][ T8370] Rebooting in 86400 seconds..