[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.136' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 62.935762][ T34] audit: type=1804 audit(1603968764.075:2): pid=8500 uid=0 auid=0 ses=5 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor382" name="/root/bus" dev="sda1" ino=15706 res=1 errno=0 [ 62.958578][ T34] audit: type=1804 audit(1603968764.096:3): pid=8501 uid=0 auid=0 ses=5 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor382" name="/root/bus" dev="sda1" ino=15706 res=1 errno=0 executing program executing program [ 62.981128][ T34] audit: type=1804 audit(1603968764.126:4): pid=8502 uid=0 auid=0 ses=5 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor382" name="/root/bus" dev="sda1" ino=15706 res=1 errno=0 [ 63.003085][ T34] audit: type=1804 audit(1603968764.146:5): pid=8503 uid=0 auid=0 ses=5 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor382" name="/root/bus" dev="sda1" ino=15706 res=1 errno=0 executing program executing program [ 63.025971][ T34] audit: type=1804 audit(1603968764.166:6): pid=8504 uid=0 auid=0 ses=5 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor382" name="/root/bus" dev="sda1" ino=15706 res=1 errno=0 [ 63.048322][ T34] audit: type=1804 audit(1603968764.186:7): pid=8505 uid=0 auid=0 ses=5 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor382" name="/root/bus" dev="sda1" ino=15706 res=1 errno=0 executing program executing program executing program [ 63.074071][ T34] audit: type=1804 audit(1603968764.216:8): pid=8506 uid=0 auid=0 ses=5 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor382" name="/root/bus" dev="sda1" ino=15706 res=1 errno=0 [ 63.112821][ T34] audit: type=1804 audit(1603968764.246:9): pid=8508 uid=0 auid=0 ses=5 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor382" name="/root/bus" dev="sda1" ino=15706 res=1 errno=0 executing program executing program executing program executing program executing program [ 63.141340][ T34] audit: type=1804 audit(1603968764.256:10): pid=8509 uid=0 auid=0 ses=5 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor382" name="/root/bus" dev="sda1" ino=15706 res=1 errno=0 [ 63.161987][ T34] audit: type=1804 audit(1603968764.256:11): pid=8510 uid=0 auid=0 ses=5 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor382" name="/root/bus" dev="sda1" ino=15706 res=1 errno=0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 67.945386][ T34] kauditd_printk_skb: 288 callbacks suppressed [ 67.945400][ T34] audit: type=1804 audit(1603968769.086:300): pid=8799 uid=0 auid=0 ses=5 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor382" name="/root/bus" dev="sda1" ino=15706 res=1 errno=0 [ 67.974208][ T34] audit: type=1804 audit(1603968769.116:301): pid=8800 uid=0 auid=0 ses=5 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor382" name="/root/bus" dev="sda1" ino=15706 res=1 errno=0 executing program executing program [ 67.996079][ T34] audit: type=1804 audit(1603968769.136:302): pid=8801 uid=0 auid=0 ses=5 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor382" name="/root/bus" dev="sda1" ino=15706 res=1 errno=0 [ 68.018932][ T34] audit: type=1804 audit(1603968769.156:303): pid=8802 uid=0 auid=0 ses=5 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor382" name="/root/bus" dev="sda1" ino=15706 res=1 errno=0 [ 68.041296][ T34] audit: type=1804 audit(1603968769.186:304): pid=8803 uid=0 auid=0 ses=5 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor382" name="/root/bus" dev="sda1" ino=15706 res=1 errno=0 [ 68.060987][ C0] ------------[ cut here ]------------ [ 68.061009][ C0] WARNING: CPU: 0 PID: 34 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x31e/0x3b0 [ 68.061013][ C0] Modules linked in: [ 68.061026][ C0] CPU: 0 PID: 34 Comm: kauditd Not tainted 5.10.0-rc1-next-20201029-syzkaller #0 [ 68.061031][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.061039][ C0] RIP: 0010:vkms_vblank_simulate+0x31e/0x3b0 [ 68.061048][ C0] Code: 85 9e 00 00 00 48 8b 95 b8 01 00 00 4c 89 e1 bf 02 00 00 00 48 c7 c6 20 e6 b3 89 e8 0c 91 ef ff e9 e5 fe ff ff e8 72 e0 34 fd <0f> 0b e9 88 fd ff ff e8 e6 7b 76 fd e9 11 fe ff ff 4c 89 ef e8 d9 [ 68.061054][ C0] RSP: 0018:ffffc90000007dc0 EFLAGS: 00010046 [ 68.061062][ C0] RAX: 0000000000010001 RBX: ffff888143c91e48 RCX: ffffffff843b47c3 [ 68.061068][ C0] RDX: ffff888010fa0000 RSI: ffffffff843b4a3e RDI: 0000000000000007 [ 68.061073][ C0] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 68.061078][ C0] R10: 0000000000000001 R11: 0000000000000000 R12: ffff888143c90d40 [ 68.061084][ C0] R13: 0000000000fe4c00 R14: ffffffff843b4720 R15: dffffc0000000000 [ 68.061090][ C0] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 68.061099][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.061104][ C0] CR2: 00007fff2c859fb4 CR3: 0000000013fee000 CR4: 00000000001506f0 [ 68.061109][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.061114][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.061117][ C0] Call Trace: [ 68.061121][ C0] [ 68.061131][ C0] ? vkms_disable_vblank+0x20/0x20 [ 68.061141][ C0] __hrtimer_run_queues+0x693/0xea0 [ 68.061157][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 68.061166][ C0] ? ktime_get_update_offsets_now+0x249/0x320 [ 68.061179][ C0] hrtimer_interrupt+0x334/0x940 [ 68.061199][ C0] __sysvec_apic_timer_interrupt+0x146/0x540 [ 68.061209][ C0] asm_call_irq_on_stack+0xf/0x20 [ 68.061213][ C0] [ 68.061221][ C0] sysvec_apic_timer_interrupt+0xbd/0x100 [ 68.061230][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 68.061238][ C0] RIP: 0010:console_unlock+0x7b6/0xbb0 [ 68.061245][ C0] Code: 60 8f 24 8b e8 6b 8d fd ff e8 f6 3b 00 00 31 ff 4c 89 ee e8 2c 76 17 00 4d 85 ed 0f 85 3a 02 00 00 e8 ae 7d 17 00 ff 34 24 9d <8b> 5c 24 34 31 ff 89 de e8 ed 75 17 00 85 db 0f 84 eb f9 ff ff e8 [ 68.061250][ C0] RSP: 0018:ffffc90000dcfaf0 EFLAGS: 00000293 [ 68.061258][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8155b067 [ 68.061263][ C0] RDX: ffff888010fa0000 RSI: ffffffff8158ad02 RDI: 0000000000000000 [ 68.061268][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff8ebb4667 [ 68.061273][ C0] R10: fffffbfff1d768cc R11: 0000000000000000 R12: ffffffff84a24b90 [ 68.061278][ C0] R13: 0000000000000200 R14: dffffc0000000000 R15: ffffc90000dcfb50 [ 68.061288][ C0] ? netconsole_netdev_event+0x2b0/0x2b0 [ 68.061298][ C0] ? mark_lock+0xf7/0x24c0 [ 68.061305][ C0] ? console_unlock+0x7b2/0xbb0 [ 68.061318][ C0] ? devkmsg_read+0x740/0x740 [ 68.061327][ C0] ? lock_release+0x710/0x710 [ 68.061342][ C0] ? vprintk_func+0x8d/0x1e0 [ 68.061358][ C0] vprintk_emit+0x1a1/0x4c0 [ 68.061368][ C0] vprintk_func+0x8d/0x1e0 [ 68.061379][ C0] printk+0xba/0xed [ 68.061388][ C0] ? record_print_text.cold+0x16/0x16 [ 68.061397][ C0] ? lockdep_hardirqs_on+0x79/0x100 [ 68.061406][ C0] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 68.061416][ C0] ? ___ratelimit+0x21c/0x460 [ 68.061425][ C0] ? kauditd_hold_skb+0x13a/0x180 [ 68.061434][ C0] kauditd_hold_skb.cold+0x41/0x50 [ 68.061442][ C0] ? auditd_pid_vnr+0x230/0x230 [ 68.061450][ C0] kauditd_send_queue+0x19d/0x210 [ 68.061458][ C0] ? audit_log_lost+0x180/0x180 [ 68.061468][ C0] kauditd_thread+0x7f0/0xb80 [ 68.061477][ C0] ? auditd_reset+0x170/0x170 [ 68.061488][ C0] ? add_wait_queue_exclusive+0x180/0x180 [ 68.061495][ C0] ? lockdep_hardirqs_on+0x79/0x100 [ 68.061506][ C0] ? __kthread_parkme+0x13f/0x1e0 [ 68.061513][ C0] ? auditd_reset+0x170/0x170 [ 68.061522][ C0] kthread+0x3af/0x4a0 [ 68.061530][ C0] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 68.061540][ C0] ret_from_fork+0x1f/0x30 [ 68.061555][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 68.061562][ C0] CPU: 0 PID: 34 Comm: kauditd Not tainted 5.10.0-rc1-next-20201029-syzkaller #0 [ 68.061567][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.061569][ C0] Call Trace: [ 68.061573][ C0] [ 68.061581][ C0] dump_stack+0x107/0x163 [ 68.061590][ C0] panic+0x306/0x73d [ 68.061597][ C0] ? __warn_printk+0xf3/0xf3 [ 68.061609][ C0] ? __warn.cold+0x1d/0xbb [ 68.061615][ C0] ? __warn.cold+0x14/0xbb [ 68.061624][ C0] ? vkms_vblank_simulate+0x31e/0x3b0 [ 68.061631][ C0] __warn.cold+0x38/0xbb [ 68.061640][ C0] ? vkms_vblank_simulate+0x31e/0x3b0 [ 68.061648][ C0] report_bug+0x1bd/0x210 [ 68.061660][ C0] handle_bug+0x3c/0x60 [ 68.061668][ C0] exc_invalid_op+0x14/0x40 [ 68.061676][ C0] asm_exc_invalid_op+0x12/0x20 [ 68.061684][ C0] RIP: 0010:vkms_vblank_simulate+0x31e/0x3b0 [ 68.061691][ C0] Code: 85 9e 00 00 00 48 8b 95 b8 01 00 00 4c 89 e1 bf 02 00 00 00 48 c7 c6 20 e6 b3 89 e8 0c 91 ef ff e9 e5 fe ff ff e8 72 e0 34 fd <0f> 0b e9 88 fd ff ff e8 e6 7b 76 fd e9 11 fe ff ff 4c 89 ef e8 d9 [ 68.061696][ C0] RSP: 0018:ffffc90000007dc0 EFLAGS: 00010046 [ 68.061704][ C0] RAX: 0000000000010001 RBX: ffff888143c91e48 RCX: ffffffff843b47c3 [ 68.061709][ C0] RDX: ffff888010fa0000 RSI: ffffffff843b4a3e RDI: 0000000000000007 [ 68.061714][ C0] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 68.061718][ C0] R10: 0000000000000001 R11: 0000000000000000 R12: ffff888143c90d40 [ 68.061724][ C0] R13: 0000000000fe4c00 R14: ffffffff843b4720 R15: dffffc0000000000 [ 68.061731][ C0] ? vkms_disable_vblank+0x20/0x20 [ 68.061742][ C0] ? vkms_vblank_simulate+0xa3/0x3b0 [ 68.061750][ C0] ? vkms_vblank_simulate+0x31e/0x3b0 [ 68.061762][ C0] ? vkms_disable_vblank+0x20/0x20 [ 68.061770][ C0] __hrtimer_run_queues+0x693/0xea0 [ 68.061786][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 68.061795][ C0] ? ktime_get_update_offsets_now+0x249/0x320 [ 68.061808][ C0] hrtimer_interrupt+0x334/0x940 [ 68.061825][ C0] __sysvec_apic_timer_interrupt+0x146/0x540 [ 68.061834][ C0] asm_call_irq_on_stack+0xf/0x20 [ 68.061837][ C0] [ 68.061845][ C0] sysvec_apic_timer_interrupt+0xbd/0x100 [ 68.061855][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 68.061866][ C0] RIP: 0010:console_unlock+0x7b6/0xbb0 [ 68.061878][ C0] Code: 60 8f 24 8b e8 6b 8d fd ff e8 f6 3b 00 00 31 ff 4c 89 ee e8 2c 76 17 00 4d 85 ed 0f 85 3a 02 00 00 e8 ae 7d 17 00 ff 34 24 9d <8b> 5c 24 34 31 ff 89 de e8 ed 75 17 00 85 db 0f 84 eb f9 ff ff e8 [ 68.061886][ C0] RSP: 0018:ffffc90000dcfaf0 EFLAGS: 00000293 [ 68.061898][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8155b067 [ 68.061908][ C0] RDX: ffff888010fa0000 RSI: ffffffff8158ad02 RDI: 0000000000000000 [ 68.061917][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff8ebb4667 [ 68.061926][ C0] R10: fffffbfff1d768cc R11: 0000000000000000 R12: ffffffff84a24b90 [ 68.061935][ C0] R13: 0000000000000200 R14: dffffc0000000000 R15: ffffc90000dcfb50 [ 68.061949][ C0] ? netconsole_netdev_event+0x2b0/0x2b0 [ 68.061959][ C0] ? mark_lock+0xf7/0x24c0 [ 68.061979][ C0] ? console_unlock+0x7b2/0xbb0 [ 68.061993][ C0] ? devkmsg_read+0x740/0x740 [ 68.062007][ C0] ? lock_release+0x710/0x710 [ 68.062030][ C0] ? vprintk_func+0x8d/0x1e0 [ 68.062048][ C0] vprintk_emit+0x1a1/0x4c0 [ 68.062065][ C0] vprintk_func+0x8d/0x1e0 [ 68.062080][ C0] printk+0xba/0xed [ 68.062094][ C0] ? record_print_text.cold+0x16/0x16 [ 68.062109][ C0] ? lockdep_hardirqs_on+0x79/0x100 [ 68.062117][ C0] ? _raw_spin_unlock_irqrestore+0x2f/0x50 [ 68.062125][ C0] ? ___ratelimit+0x21c/0x460 [ 68.062133][ C0] ? kauditd_hold_skb+0x13a/0x180 [ 68.062141][ C0] kauditd_hold_skb.cold+0x41/0x50 [ 68.062149][ C0] ? auditd_pid_vnr+0x230/0x230 [ 68.062156][ C0] kauditd_send_queue+0x19d/0x210 [ 68.062163][ C0] ? audit_log_lost+0x180/0x180 [ 68.062173][ C0] kauditd_thread+0x7f0/0xb80 [ 68.062181][ C0] ? auditd_reset+0x170/0x170 [ 68.062191][ C0] ? add_wait_queue_exclusive+0x180/0x180 [ 68.062198][ C0] ? lockdep_hardirqs_on+0x79/0x100 [ 68.062207][ C0] ? __kthread_parkme+0x13f/0x1e0 [ 68.062214][ C0] ? auditd_reset+0x170/0x170 [ 68.062223][ C0] kthread+0x3af/0x4a0 [ 68.062231][ C0] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 68.062240][ C0] ret_from_fork+0x1f/0x30 [ 68.062993][ C0] Kernel Offset: disabled [ 68.906336][ C0] Rebooting in 86400 seconds..