[ 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 '10.128.0.188' (ECDSA) to the list of known hosts. executing program executing program executing program syzkaller login: [ 56.985311][ T36] audit: type=1800 audit(1614931908.165:2): pid=8406 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor731" name="file0" dev="sda1" ino=14153 res=0 errno=0 [ 57.012234][ T36] audit: type=1800 audit(1614931908.195:3): pid=8408 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor731" name="file0" dev="sda1" ino=14153 res=0 errno=0 executing program executing program [ 57.041058][ T36] audit: type=1800 audit(1614931908.225:4): pid=8410 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor731" name="file0" dev="sda1" ino=14153 res=0 errno=0 [ 57.065597][ T36] audit: type=1800 audit(1614931908.255:5): pid=8412 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor731" name="file0" dev="sda1" ino=14153 res=0 errno=0 executing program executing program [ 57.091977][ T36] audit: type=1800 audit(1614931908.275:6): pid=8414 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor731" name="file0" dev="sda1" ino=14153 res=0 errno=0 [ 57.116528][ T36] audit: type=1800 audit(1614931908.305:7): pid=8416 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor731" name="file0" dev="sda1" ino=14153 res=0 errno=0 executing program executing program [ 57.142010][ T36] audit: type=1800 audit(1614931908.325:8): pid=8418 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor731" name="file0" dev="sda1" ino=14153 res=0 errno=0 [ 57.169469][ T36] audit: type=1800 audit(1614931908.355:9): pid=8420 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor731" name="file0" dev="sda1" ino=14153 res=0 errno=0 executing program executing program executing program executing program [ 57.194041][ T36] audit: type=1800 audit(1614931908.375:10): pid=8422 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor731" name="file0" dev="sda1" ino=14153 res=0 errno=0 [ 57.220703][ T36] audit: type=1800 audit(1614931908.405:11): pid=8424 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor731" name="file0" dev="sda1" ino=14153 res=0 errno=0 executing program executing program executing program executing program executing program [ 57.288421][ C0] hrtimer: interrupt took 38739 ns executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 61.988209][ T36] kauditd_printk_skb: 443 callbacks suppressed [ 61.988225][ T36] audit: type=1800 audit(1614931913.176:455): pid=9312 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor731" name="file0" dev="sda1" ino=14153 res=0 errno=0 executing program [ 62.026089][ T36] audit: type=1800 audit(1614931913.186:456): pid=9314 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor731" name="file0" dev="sda1" ino=14153 res=0 errno=0 [ 62.053579][ T36] audit: type=1800 audit(1614931913.196:457): pid=9316 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor731" name="file0" dev="sda1" ino=14153 res=0 errno=0 executing program [ 62.075437][ T36] audit: type=1800 audit(1614931913.206:458): pid=9318 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor731" name="file0" dev="sda1" ino=14153 res=0 errno=0 [ 62.096974][ T36] audit: type=1800 audit(1614931913.216:459): pid=9320 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor731" name="file0" dev="sda1" ino=14153 res=0 errno=0 executing program executing program executing program [ 62.126609][ T36] audit: type=1800 audit(1614931913.226:460): pid=9322 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor731" name="file0" dev="sda1" ino=14153 res=0 errno=0 [ 62.151076][ T36] audit: type=1800 audit(1614931913.236:461): pid=9324 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor731" name="file0" dev="sda1" ino=14153 res=0 errno=0 [ 62.172541][ C1] ------------[ cut here ]------------ [ 62.172554][ C1] WARNING: CPU: 1 PID: 36 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x31e/0x3b0 [ 62.172611][ C1] Modules linked in: [ 62.172624][ C1] CPU: 1 PID: 36 Comm: kauditd Not tainted 5.12.0-rc1-syzkaller #0 [ 62.172643][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.172654][ C1] RIP: 0010:vkms_vblank_simulate+0x31e/0x3b0 [ 62.172681][ C1] Code: 85 9e 00 00 00 48 8b 95 b8 01 00 00 4c 89 e1 bf 02 00 00 00 48 c7 c6 c0 53 d6 89 e8 7c 09 f0 ff e9 e5 fe ff ff e8 e2 4a 2a fd <0f> 0b e9 88 fd ff ff e8 76 3d 6e fd e9 11 fe ff ff 4c 89 ef e8 69 [ 62.172699][ C1] RSP: 0018:ffffc90000db0de8 EFLAGS: 00010046 [ 62.172716][ C1] RAX: 0000000080010001 RBX: ffff888143645e58 RCX: 0000000000000000 [ 62.172728][ C1] RDX: ffff888011843780 RSI: ffffffff8448ec8e RDI: 0000000000000003 [ 62.172741][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000000 [ 62.172753][ C1] R10: ffffffff8448ea13 R11: 0000000000000000 R12: ffff888143644d30 [ 62.172765][ C1] R13: 0000000000fe4c00 R14: ffff8880b9d26340 R15: ffffffff8448e970 [ 62.172781][ C1] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 62.172798][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.172811][ C1] CR2: 00007fd0e98cc000 CR3: 00000000259a6000 CR4: 0000000000350ee0 [ 62.172824][ C1] Call Trace: [ 62.172830][ C1] [ 62.172840][ C1] ? vkms_disable_vblank+0x20/0x20 [ 62.172863][ C1] __hrtimer_run_queues+0x609/0xe40 [ 62.172891][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 62.172911][ C1] ? ktime_get_update_offsets_now+0x262/0x340 [ 62.172938][ C1] hrtimer_interrupt+0x334/0x940 [ 62.172970][ C1] __sysvec_apic_timer_interrupt+0x146/0x540 [ 62.172996][ C1] sysvec_apic_timer_interrupt+0x8e/0xc0 [ 62.173025][ C1] [ 62.173032][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 62.173056][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 [ 62.173078][ C1] Code: e9 22 fd ff ff b9 ff ff ff ff ba 08 00 00 00 4d 8b 03 48 0f bd ca 49 8b 45 00 48 63 c9 e9 64 ff ff ff 0f 1f 84 00 00 00 00 00 <65> 8b 05 49 b8 8e 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b [ 62.173095][ C1] RSP: 0018:ffffc90000e5faf0 EFLAGS: 00000206 [ 62.173111][ C1] RAX: 0000000000005733 RBX: 0000000000000000 RCX: 1ffffffff1f56dfa [ 62.173124][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 62.173135][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff8fab6867 [ 62.173147][ C1] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff84ae55c0 [ 62.173159][ C1] R13: 0000000000000200 R14: dffffc0000000000 R15: ffffc90000e5fb50 [ 62.173174][ C1] ? netconsole_netdev_event+0x340/0x340 [ 62.173203][ C1] console_unlock+0x7a9/0xb80 [ 62.173227][ C1] ? devkmsg_read+0x730/0x730 [ 62.173250][ C1] ? lock_release+0x710/0x710 [ 62.173278][ C1] ? vprintk_func+0x8d/0x1e0 [ 62.173302][ C1] vprintk_emit+0x1b0/0x470 [ 62.173326][ C1] vprintk_func+0x8d/0x1e0 [ 62.173349][ C1] printk+0xba/0xed [ 62.173372][ C1] ? record_print_text.cold+0x16/0x16 [ 62.173397][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 62.173417][ C1] ? _raw_spin_unlock_irqrestore+0x33/0x50 [ 62.173446][ C1] ? ___ratelimit+0x21e/0x460 [ 62.173469][ C1] kauditd_hold_skb.cold+0x41/0x50 [ 62.173489][ C1] ? auditd_pid_vnr+0x230/0x230 [ 62.173511][ C1] kauditd_send_queue+0x19d/0x210 [ 62.173534][ C1] ? audit_log_lost+0x180/0x180 [ 62.173559][ C1] kauditd_thread+0x7fa/0xb80 [ 62.173582][ C1] ? auditd_reset+0x170/0x170 [ 62.173606][ C1] ? finish_wait+0x260/0x260 [ 62.173624][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 62.173645][ C1] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 62.173667][ C1] ? __kthread_parkme+0x13f/0x1e0 [ 62.173687][ C1] ? auditd_reset+0x170/0x170 [ 62.173710][ C1] kthread+0x3b1/0x4a0 [ 62.173730][ C1] ? __kthread_bind_mask+0xc0/0xc0 [ 62.173755][ C1] ret_from_fork+0x1f/0x30 [ 62.173789][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 62.173798][ C1] CPU: 1 PID: 36 Comm: kauditd Not tainted 5.12.0-rc1-syzkaller #0 [ 62.173816][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.173826][ C1] Call Trace: [ 62.173832][ C1] [ 62.173838][ C1] dump_stack+0xfa/0x151 [ 62.173860][ C1] panic+0x306/0x73d [ 62.173881][ C1] ? __warn_printk+0xf3/0xf3 [ 62.173907][ C1] ? __warn.cold+0x1a/0x44 [ 62.173929][ C1] ? vkms_vblank_simulate+0x31e/0x3b0 [ 62.173953][ C1] __warn.cold+0x35/0x44 [ 62.173973][ C1] ? vkms_vblank_simulate+0x31e/0x3b0 [ 62.173997][ C1] report_bug+0x1bd/0x210 [ 62.174020][ C1] handle_bug+0x3c/0x60 [ 62.174038][ C1] exc_invalid_op+0x14/0x40 [ 62.174056][ C1] asm_exc_invalid_op+0x12/0x20 [ 62.174076][ C1] RIP: 0010:vkms_vblank_simulate+0x31e/0x3b0 [ 62.174102][ C1] Code: 85 9e 00 00 00 48 8b 95 b8 01 00 00 4c 89 e1 bf 02 00 00 00 48 c7 c6 c0 53 d6 89 e8 7c 09 f0 ff e9 e5 fe ff ff e8 e2 4a 2a fd <0f> 0b e9 88 fd ff ff e8 76 3d 6e fd e9 11 fe ff ff 4c 89 ef e8 69 [ 62.174118][ C1] RSP: 0018:ffffc90000db0de8 EFLAGS: 00010046 [ 62.174134][ C1] RAX: 0000000080010001 RBX: ffff888143645e58 RCX: 0000000000000000 [ 62.174146][ C1] RDX: ffff888011843780 RSI: ffffffff8448ec8e RDI: 0000000000000003 [ 62.174159][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000000 [ 62.174171][ C1] R10: ffffffff8448ea13 R11: 0000000000000000 R12: ffff888143644d30 [ 62.174183][ C1] R13: 0000000000fe4c00 R14: ffff8880b9d26340 R15: ffffffff8448e970 [ 62.174195][ C1] ? vkms_disable_vblank+0x20/0x20 [ 62.174221][ C1] ? vkms_vblank_simulate+0xa3/0x3b0 [ 62.174246][ C1] ? vkms_vblank_simulate+0x31e/0x3b0 [ 62.174273][ C1] ? vkms_vblank_simulate+0x31e/0x3b0 [ 62.174298][ C1] ? vkms_disable_vblank+0x20/0x20 [ 62.174318][ C1] __hrtimer_run_queues+0x609/0xe40 [ 62.174343][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 62.174363][ C1] ? ktime_get_update_offsets_now+0x262/0x340 [ 62.174390][ C1] hrtimer_interrupt+0x334/0x940 [ 62.174419][ C1] __sysvec_apic_timer_interrupt+0x146/0x540 [ 62.174450][ C1] sysvec_apic_timer_interrupt+0x8e/0xc0 [ 62.174472][ C1] [ 62.174478][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 62.174502][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 [ 62.174524][ C1] Code: e9 22 fd ff ff b9 ff ff ff ff ba 08 00 00 00 4d 8b 03 48 0f bd ca 49 8b 45 00 48 63 c9 e9 64 ff ff ff 0f 1f 84 00 00 00 00 00 <65> 8b 05 49 b8 8e 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b [ 62.174540][ C1] RSP: 0018:ffffc90000e5faf0 EFLAGS: 00000206 [ 62.174557][ C1] RAX: 0000000000005733 RBX: 0000000000000000 RCX: 1ffffffff1f56dfa [ 62.174569][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 62.174580][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff8fab6867 [ 62.174592][ C1] R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff84ae55c0 [ 62.174603][ C1] R13: 0000000000000200 R14: dffffc0000000000 R15: ffffc90000e5fb50 [ 62.174619][ C1] ? netconsole_netdev_event+0x340/0x340 [ 62.174646][ C1] console_unlock+0x7a9/0xb80 [ 62.174670][ C1] ? devkmsg_read+0x730/0x730 [ 62.174692][ C1] ? lock_release+0x710/0x710 [ 62.174718][ C1] ? vprintk_func+0x8d/0x1e0 [ 62.174741][ C1] vprintk_emit+0x1b0/0x470 [ 62.174766][ C1] vprintk_func+0x8d/0x1e0 [ 62.174787][ C1] printk+0xba/0xed [ 62.174805][ C1] ? record_print_text.cold+0x16/0x16 [ 62.174828][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 62.174849][ C1] ? _raw_spin_unlock_irqrestore+0x33/0x50 [ 62.174872][ C1] ? ___ratelimit+0x21e/0x460 [ 62.174893][ C1] kauditd_hold_skb.cold+0x41/0x50 [ 62.174913][ C1] ? auditd_pid_vnr+0x230/0x230 [ 62.174934][ C1] kauditd_send_queue+0x19d/0x210 [ 62.174955][ C1] ? audit_log_lost+0x180/0x180 [ 62.174979][ C1] kauditd_thread+0x7fa/0xb80 [ 62.175002][ C1] ? auditd_reset+0x170/0x170 [ 62.175026][ C1] ? finish_wait+0x260/0x260 [ 62.175044][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 62.175064][ C1] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 62.175085][ C1] ? __kthread_parkme+0x13f/0x1e0 [ 62.175106][ C1] ? auditd_reset+0x170/0x170 [ 62.175127][ C1] kthread+0x3b1/0x4a0 [ 62.175148][ C1] ? __kthread_bind_mask+0xc0/0xc0 [ 62.175171][ C1] ret_from_fork+0x1f/0x30 [ 62.178574][ C1] Kernel Offset: disabled [ 62.991930][ C1] Rebooting in 86400 seconds..