[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[ 65.110610][ T26] audit: type=1800 audit(1575951378.031:25): pid=9013 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0
[ 65.130690][ T26] audit: type=1800 audit(1575951378.041:26): pid=9013 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0
[ 65.173752][ T26] audit: type=1800 audit(1575951378.041:27): pid=9013 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0
[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
Debian GNU/Linux 7 syzkaller ttyS0
Warning: Permanently added '10.128.0.104' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 94.138468][ T9168] [drm:drm_calc_timestamping_constants] *ERROR* crtc 32: Can't calculate constants, dotclock = 0!
[ 94.152051][ C0] ------------[ cut here ]------------
[ 94.158099][ C0] WARNING: CPU: 0 PID: 9168 at drivers/gpu/drm/vkms/vkms_crtc.c:21 vkms_vblank_simulate+0x335/0x3c0
[ 94.170138][ C0] Kernel panic - not syncing: panic_on_warn set ...
[ 94.177930][ C0] CPU: 0 PID: 9168 Comm: syz-executor686 Not tainted 5.5.0-rc1-next-20191209-syzkaller #0
[ 94.192504][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 94.204318][ C0] Call Trace:
[ 94.208032][ C0]
[ 94.211268][ C0] dump_stack+0x197/0x210
[ 94.216307][ C0] ? vkms_vblank_simulate+0x2b0/0x3c0
[ 94.223259][ C0] panic+0x2e3/0x75c
[ 94.227457][ C0] ? add_taint.cold+0x16/0x16
[ 94.232843][ C0] ? printk+0xba/0xed
[ 94.237478][ C0] ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 94.243489][ C0] ? __warn.cold+0x14/0x3e
[ 94.249121][ C0] ? __warn+0xd9/0x1cf
[ 94.254376][ C0] ? vkms_vblank_simulate+0x335/0x3c0
[ 94.261191][ C0] __warn.cold+0x2f/0x3e
[ 94.265745][ C0] ? report_bug.cold+0x63/0xb2
[ 94.271789][ C0] ? vkms_vblank_simulate+0x335/0x3c0
[ 94.279865][ C0] report_bug+0x289/0x300
[ 94.284803][ C0] do_error_trap+0x11b/0x200
[ 94.290018][ C0] do_invalid_op+0x37/0x50
[ 94.296358][ C0] ? vkms_vblank_simulate+0x335/0x3c0
[ 94.303844][ C0] invalid_op+0x23/0x30
[ 94.308317][ C0] RIP: 0010:vkms_vblank_simulate+0x335/0x3c0
[ 94.315866][ C0] Code: 9f 00 00 00 49 8b 94 24 50 02 00 00 4c 89 e9 bf 02 00 00 00 48 c7 c6 60 0c 8e 88 e8 95 c7 b1 ff e9 de fe ff ff e8 cb 58 25 fd <0f> 0b e9 77 fd ff ff e8 cf 2f 63 fd e9 01 fe ff ff 4c 89 f7 e8 c2
[ 94.339639][ C0] RSP: 0018:ffffc90000007dd8 EFLAGS: 00010006
[ 94.347710][ C0] RAX: ffff88809a35e100 RBX: ffff8880a27cd6e0 RCX: ffffffff844fc9f9
[ 94.359520][ C0] RDX: 0000000000010000 RSI: ffffffff844fcc85 RDI: 0000000000000007
[ 94.370034][ C0] RBP: ffffc90000007e08 R08: ffff88809a35e100 R09: ffff88809a35e998
[ 94.379992][ C0] R10: fffffbfff15017c8 R11: ffffffff8a80be47 R12: 000000000001bace
[ 94.389430][ C0] R13: ffff8880a27ccbe8 R14: 0000000000000000 R15: dffffc0000000000
[ 94.398844][ C0] ? vkms_vblank_simulate+0xa9/0x3c0
[ 94.405002][ C0] ? vkms_vblank_simulate+0x335/0x3c0
[ 94.410462][ C0] ? vkms_vblank_simulate+0x335/0x3c0
[ 94.416390][ C0] __hrtimer_run_queues+0x364/0xe40
[ 94.422934][ C0] ? vkms_disable_vblank+0x20/0x20
[ 94.430241][ C0] ? hrtimer_init+0x330/0x330
[ 94.436029][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 94.442600][ C0] ? ktime_get_update_offsets_now+0x2ce/0x430
[ 94.449942][ C0] hrtimer_interrupt+0x314/0x770
[ 94.456668][ C0] smp_apic_timer_interrupt+0x160/0x610
[ 94.462533][ C0] apic_timer_interrupt+0xf/0x20
[ 94.467754][ C0]
[ 94.470881][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x90/0xe0
[ 94.477998][ C0] Code: 48 c7 c0 58 af 93 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 39 48 83 3d cf 40 ca 01 00 74 24 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 41 49 87 f9 65 8b 05 e2 af 38 78
[ 94.499029][ C0] RSP: 0018:ffffc90001da7928 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 94.507897][ C0] RAX: 1ffffffff13275eb RBX: 0000000000000286 RCX: 0000000000000000
[ 94.518184][ C0] RDX: dffffc0000000000 RSI: 0000000000000006 RDI: 0000000000000286
[ 94.527927][ C0] RBP: ffffc90001da7938 R08: ffff88809a35e100 R09: 0000000000000000
[ 94.537089][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a27cc2f0
[ 94.545964][ C0] R13: 0000000000000000 R14: ffff8880a27cc2f0 R15: ffff8880a2618508
[ 94.554261][ C0] drm_vblank_get+0x150/0x1e0
[ 94.559352][ C0] drm_wait_vblank_ioctl+0x51b/0x1930
[ 94.565857][ C0] ? drm_dev_exit+0x22/0x60
[ 94.571713][ C0] ? drm_legacy_modeset_ctl_ioctl+0x4a0/0x4a0
[ 94.579897][ C0] ? lock_downgrade+0x920/0x920
[ 94.585993][ C0] ? lock_acquire+0x190/0x410
[ 94.590874][ C0] ? drm_dev_alloc+0xd0/0xd0
[ 94.595725][ C0] drm_ioctl_kernel+0x244/0x300
[ 94.601406][ C0] ? drm_legacy_modeset_ctl_ioctl+0x4a0/0x4a0
[ 94.608848][ C0] ? drm_setversion+0x8c0/0x8c0
[ 94.614698][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 94.622462][ C0] ? _copy_from_user+0x12c/0x1a0
[ 94.627553][ C0] drm_ioctl+0x54e/0xa60
[ 94.632382][ C0] ? drm_legacy_modeset_ctl_ioctl+0x4a0/0x4a0
[ 94.639755][ C0] ? drm_ioctl_kernel+0x300/0x300
[ 94.645554][ C0] ? tomoyo_execute_permission+0x4a0/0x4a0
[ 94.652435][ C0] ? drm_ioctl_kernel+0x300/0x300
[ 94.657944][ C0] do_vfs_ioctl+0x977/0x14e0
[ 94.662681][ C0] ? compat_ioctl_preallocate+0x220/0x220
[ 94.668730][ C0] ? kmem_cache_free+0x26b/0x320
[ 94.674098][ C0] ? putname+0xf4/0x130
[ 94.678930][ C0] ? do_sys_open+0x31d/0x5d0
[ 94.684831][ C0] ? tomoyo_file_ioctl+0x23/0x30
[ 94.690259][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 94.697185][ C0] ? security_file_ioctl+0x8d/0xc0
[ 94.702738][ C0] ksys_ioctl+0xab/0xd0
[ 94.706940][ C0] __x64_sys_ioctl+0x73/0xb0
[ 94.711532][ C0] do_syscall_64+0xfa/0x790
[ 94.716176][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 94.723004][ C0] RIP: 0033:0x443e29
[ 94.726903][ C0] 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 7b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
[ 94.748240][ C0] RSP: 002b:00007ffd76e03a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 94.759190][ C0] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000443e29
[ 94.768324][ C0] RDX: 0000000020000100 RSI: 00000000c018643a RDI: 0000000000000003
[ 94.777479][ C0] RBP: 00000000006ce018 R08: 0000000000000000 R09: 00000000004002e0
[ 94.785600][ C0] R10: 000000000000000f R11: 0000000000000246 R12: 0000000000401b30
[ 94.794456][ C0] R13: 0000000000401bc0 R14: 0000000000000000 R15: 0000000000000000
[ 94.803858][ C0] ------------[ cut here ]------------
[ 94.810106][ C0] WARNING: CPU: 0 PID: 9168 at kernel/locking/mutex.c:1419 mutex_trylock+0x279/0x2f0
[ 94.821543][ C0] Modules linked in:
[ 94.825826][ C0] CPU: 0 PID: 9168 Comm: syz-executor686 Not tainted 5.5.0-rc1-next-20191209-syzkaller #0
[ 94.836643][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 94.848670][ C0] RIP: 0010:mutex_trylock+0x279/0x2f0
[ 94.854561][ C0] Code: c9 41 b8 01 00 00 00 31 c9 ba 01 00 00 00 31 f6 e8 8c 74 92 f9 58 48 8d 65 d8 b8 01 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b e9 0c fe ff ff 48 c7 c7 20 c5 63 8b 48 89 4d d0 e8 d0 67 ea
[ 94.877573][ C0] RSP: 0018:ffffc90000007998 EFLAGS: 00010006
[ 94.883955][ C0] RAX: 0000000080010002 RBX: 1ffff92000000f3b RCX: 0000000000000004
[ 94.892131][ C0] RDX: 0000000000010000 RSI: ffffffff816c15e5 RDI: ffffffff899cef40
[ 94.900802][ C0] RBP: ffffc900000079c8 R08: 0000000000000001 R09: fffffbfff1334ea1
[ 94.909182][ C0] R10: fffffbfff1334ea0 R11: ffffffff899a7503 R12: ffffffff8b63c520
[ 94.917600][ C0] R13: 0000000000000000 R14: ffffffff844fcc00 R15: ffffffff899cef40
[ 94.925611][ C0] FS: 000000000217a880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
[ 94.935207][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 94.941973][ C0] CR2: 000000000043e660 CR3: 0000000092920000 CR4: 00000000001406f0
[ 94.950478][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 94.958768][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 94.966888][ C0] Call Trace:
[ 94.970367][ C0]
[ 94.973226][ C0] ? vkms_vblank_simulate+0x2b0/0x3c0
[ 94.978716][ C0] __crash_kexec+0x91/0x200
[ 94.983388][ C0] ? kexec_crash_loaded+0x20/0x20
[ 94.988565][ C0] ? trace_hardirqs_off+0x62/0x240
[ 94.994083][ C0] ? _raw_spin_unlock_irqrestore+0x9f/0xe0
[ 95.000000][ C0] ? __printk_safe_flush+0x31e/0x3a0
[ 95.005678][ C0] ? __sanitizer_cov_trace_cmp8+0x18/0x20
[ 95.011644][ C0] ? find_next_bit+0x107/0x130
[ 95.017228][ C0] ? cpumask_next+0x41/0x50
[ 95.022416][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 95.029141][ C0] ? printk_safe_flush+0xf2/0x140
[ 95.034322][ C0] ? vkms_vblank_simulate+0x2b0/0x3c0
[ 95.040736][ C0] panic+0x308/0x75c
[ 95.046091][ C0] ? add_taint.cold+0x16/0x16
[ 95.052215][ C0] ? printk+0xba/0xed
[ 95.058370][ C0] ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 95.064633][ C0] ? __warn.cold+0x14/0x3e
[ 95.069686][ C0] ? __warn+0xd9/0x1cf
[ 95.073975][ C0] ? vkms_vblank_simulate+0x335/0x3c0
[ 95.080876][ C0] __warn.cold+0x2f/0x3e
[ 95.086257][ C0] ? report_bug.cold+0x63/0xb2
[ 95.091399][ C0] ? vkms_vblank_simulate+0x335/0x3c0
[ 95.097837][ C0] report_bug+0x289/0x300
[ 95.103306][ C0] do_error_trap+0x11b/0x200
[ 95.109133][ C0] do_invalid_op+0x37/0x50
[ 95.115019][ C0] ? vkms_vblank_simulate+0x335/0x3c0
[ 95.120566][ C0] invalid_op+0x23/0x30
[ 95.125736][ C0] RIP: 0010:vkms_vblank_simulate+0x335/0x3c0
[ 95.132601][ C0] Code: 9f 00 00 00 49 8b 94 24 50 02 00 00 4c 89 e9 bf 02 00 00 00 48 c7 c6 60 0c 8e 88 e8 95 c7 b1 ff e9 de fe ff ff e8 cb 58 25 fd <0f> 0b e9 77 fd ff ff e8 cf 2f 63 fd e9 01 fe ff ff 4c 89 f7 e8 c2
[ 95.157416][ C0] RSP: 0018:ffffc90000007dd8 EFLAGS: 00010006
[ 95.165179][ C0] RAX: ffff88809a35e100 RBX: ffff8880a27cd6e0 RCX: ffffffff844fc9f9
[ 95.173955][ C0] RDX: 0000000000010000 RSI: ffffffff844fcc85 RDI: 0000000000000007
[ 95.184378][ C0] RBP: ffffc90000007e08 R08: ffff88809a35e100 R09: ffff88809a35e998
[ 95.194087][ C0] R10: fffffbfff15017c8 R11: ffffffff8a80be47 R12: 000000000001bace
[ 95.204582][ C0] R13: ffff8880a27ccbe8 R14: 0000000000000000 R15: dffffc0000000000
[ 95.213793][ C0] ? vkms_vblank_simulate+0xa9/0x3c0
[ 95.221113][ C0] ? vkms_vblank_simulate+0x335/0x3c0
[ 95.227705][ C0] ? vkms_vblank_simulate+0x335/0x3c0
[ 95.235212][ C0] __hrtimer_run_queues+0x364/0xe40
[ 95.243096][ C0] ? vkms_disable_vblank+0x20/0x20
[ 95.249819][ C0] ? hrtimer_init+0x330/0x330
[ 95.255328][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 95.261742][ C0] ? ktime_get_update_offsets_now+0x2ce/0x430
[ 95.269024][ C0] hrtimer_interrupt+0x314/0x770
[ 95.274690][ C0] smp_apic_timer_interrupt+0x160/0x610
[ 95.282106][ C0] apic_timer_interrupt+0xf/0x20
[ 95.289704][ C0]
[ 95.294101][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x90/0xe0
[ 95.302319][ C0] Code: 48 c7 c0 58 af 93 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 39 48 83 3d cf 40 ca 01 00 74 24 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 41 49 87 f9 65 8b 05 e2 af 38 78
[ 95.332338][ C0] RSP: 0018:ffffc90001da7928 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 95.343963][ C0] RAX: 1ffffffff13275eb RBX: 0000000000000286 RCX: 0000000000000000
[ 95.356092][ C0] RDX: dffffc0000000000 RSI: 0000000000000006 RDI: 0000000000000286
[ 95.368360][ C0] RBP: ffffc90001da7938 R08: ffff88809a35e100 R09: 0000000000000000
[ 95.376844][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a27cc2f0
[ 95.385281][ C0] R13: 0000000000000000 R14: ffff8880a27cc2f0 R15: ffff8880a2618508
[ 95.393966][ C0] drm_vblank_get+0x150/0x1e0
[ 95.398841][ C0] drm_wait_vblank_ioctl+0x51b/0x1930
[ 95.404772][ C0] ? drm_dev_exit+0x22/0x60
[ 95.409655][ C0] ? drm_legacy_modeset_ctl_ioctl+0x4a0/0x4a0
[ 95.416541][ C0] ? lock_downgrade+0x920/0x920
[ 95.421976][ C0] ? lock_acquire+0x190/0x410
[ 95.428020][ C0] ? drm_dev_alloc+0xd0/0xd0
[ 95.432960][ C0] drm_ioctl_kernel+0x244/0x300
[ 95.439371][ C0] ? drm_legacy_modeset_ctl_ioctl+0x4a0/0x4a0
[ 95.446152][ C0] ? drm_setversion+0x8c0/0x8c0
[ 95.451718][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 95.460360][ C0] ? _copy_from_user+0x12c/0x1a0
[ 95.466236][ C0] drm_ioctl+0x54e/0xa60
[ 95.472219][ C0] ? drm_legacy_modeset_ctl_ioctl+0x4a0/0x4a0
[ 95.479630][ C0] ? drm_ioctl_kernel+0x300/0x300
[ 95.485141][ C0] ? tomoyo_execute_permission+0x4a0/0x4a0
[ 95.491637][ C0] ? drm_ioctl_kernel+0x300/0x300
[ 95.497653][ C0] do_vfs_ioctl+0x977/0x14e0
[ 95.503071][ C0] ? compat_ioctl_preallocate+0x220/0x220
[ 95.510009][ C0] ? kmem_cache_free+0x26b/0x320
[ 95.515986][ C0] ? putname+0xf4/0x130
[ 95.521124][ C0] ? do_sys_open+0x31d/0x5d0
[ 95.528155][ C0] ? tomoyo_file_ioctl+0x23/0x30
[ 95.534276][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 95.541493][ C0] ? security_file_ioctl+0x8d/0xc0
[ 95.546902][ C0] ksys_ioctl+0xab/0xd0
[ 95.551353][ C0] __x64_sys_ioctl+0x73/0xb0
[ 95.556960][ C0] do_syscall_64+0xfa/0x790
[ 95.563037][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 95.571311][ C0] RIP: 0033:0x443e29
[ 95.576634][ C0] 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 7b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
[ 95.600317][ C0] RSP: 002b:00007ffd76e03a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 95.610323][ C0] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000443e29
[ 95.620238][ C0] RDX: 0000000020000100 RSI: 00000000c018643a RDI: 0000000000000003
[ 95.629454][ C0] RBP: 00000000006ce018 R08: 0000000000000000 R09: 00000000004002e0
[ 95.637942][ C0] R10: 000000000000000f R11: 0000000000000246 R12: 0000000000401b30
[ 95.646451][ C0] R13: 0000000000401bc0 R14: 0000000000000000 R15: 0000000000000000
[ 95.655126][ C0] irq event stamp: 8216
[ 95.660506][ C0] hardirqs last enabled at (8215): [] _raw_spin_unlock_irqrestore+0x66/0xe0
[ 95.672079][ C0] hardirqs last disabled at (8216): [] trace_hardirqs_off_thunk+0x1a/0x1c
[ 95.683931][ C0] softirqs last enabled at (7604): [] fpu__clear+0x17c/0x440
[ 95.693627][ C0] softirqs last disabled at (7602): [] fpu__clear+0xe2/0x440
[ 95.702758][ C0] ---[ end trace 8148c8a923cad245 ]---
[ 95.708597][ C0] ------------[ cut here ]------------
[ 95.715813][ C0] WARNING: CPU: 0 PID: 9168 at kernel/locking/mutex.c:737 mutex_unlock+0x1d/0x30
[ 95.727253][ C0] Modules linked in:
[ 95.731753][ C0] CPU: 0 PID: 9168 Comm: syz-executor686 Tainted: G W 5.5.0-rc1-next-20191209-syzkaller #0
[ 95.744117][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 95.754802][ C0] RIP: 0010:mutex_unlock+0x1d/0x30
[ 95.760692][ C0] Code: 4c 89 ff e8 25 73 ea f9 e9 8c fb ff ff 55 65 8b 05 e0 94 39 78 a9 00 ff 1f 00 48 89 e5 75 0b 48 8b 75 08 e8 45 f9 ff ff 5d c3 <0f> 0b 48 8b 75 08 e8 38 f9 ff ff 5d c3 66 0f 1f 44 00 00 48 b8 00
[ 95.782261][ C0] RSP: 0018:ffffc900000079c8 EFLAGS: 00010006
[ 95.788888][ C0] RAX: 0000000080010002 RBX: 1ffff92000000f3b RCX: ffffffff816c15fd
[ 95.797943][ C0] RDX: 0000000000010000 RSI: ffffffff816c165f RDI: ffffffff899cef40
[ 95.808041][ C0] RBP: ffffc900000079c8 R08: ffff88809a35e100 R09: fffffbfff1659dba
[ 95.817893][ C0] R10: ffff88809a35e9a0 R11: ffff88809a35e100 R12: 0000000000000001
[ 95.826547][ C0] R13: 0000000000000000 R14: ffffffff844fcc00 R15: 0000000000000015
[ 95.834987][ C0] FS: 000000000217a880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
[ 95.845223][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 95.852581][ C0] CR2: 000000000043e660 CR3: 0000000092920000 CR4: 00000000001406f0
[ 95.863025][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 95.871022][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 95.881918][ C0] Call Trace:
[ 95.886945][ C0]
[ 95.890616][ C0] __crash_kexec+0x10b/0x200
[ 95.897338][ C0] ? kexec_crash_loaded+0x20/0x20
[ 95.903096][ C0] ? trace_hardirqs_off+0x62/0x240
[ 95.909905][ C0] ? _raw_spin_unlock_irqrestore+0x9f/0xe0
[ 95.916006][ C0] ? __printk_safe_flush+0x31e/0x3a0
[ 95.922517][ C0] ? __sanitizer_cov_trace_cmp8+0x18/0x20
[ 95.929067][ C0] ? find_next_bit+0x107/0x130
[ 95.935124][ C0] ? cpumask_next+0x41/0x50
[ 95.940234][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 95.946584][ C0] ? printk_safe_flush+0xf2/0x140
[ 95.952445][ C0] ? vkms_vblank_simulate+0x2b0/0x3c0
[ 95.958731][ C0] panic+0x308/0x75c
[ 95.962964][ C0] ? add_taint.cold+0x16/0x16
[ 95.968211][ C0] ? printk+0xba/0xed
[ 95.973652][ C0] ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 95.981121][ C0] ? __warn.cold+0x14/0x3e
[ 95.986316][ C0] ? __warn+0xd9/0x1cf
[ 95.991614][ C0] ? vkms_vblank_simulate+0x335/0x3c0
[ 95.997407][ C0] __warn.cold+0x2f/0x3e
[ 96.002678][ C0] ? report_bug.cold+0x63/0xb2
[ 96.007500][ C0] ? vkms_vblank_simulate+0x335/0x3c0
[ 96.016037][ C0] report_bug+0x289/0x300
[ 96.021167][ C0] do_error_trap+0x11b/0x200
[ 96.025948][ C0] do_invalid_op+0x37/0x50
[ 96.031729][ C0] ? vkms_vblank_simulate+0x335/0x3c0
[ 96.038640][ C0] invalid_op+0x23/0x30
[ 96.044895][ C0] RIP: 0010:vkms_vblank_simulate+0x335/0x3c0
[ 96.052676][ C0] Code: 9f 00 00 00 49 8b 94 24 50 02 00 00 4c 89 e9 bf 02 00 00 00 48 c7 c6 60 0c 8e 88 e8 95 c7 b1 ff e9 de fe ff ff e8 cb 58 25 fd <0f> 0b e9 77 fd ff ff e8 cf 2f 63 fd e9 01 fe ff ff 4c 89 f7 e8 c2
[ 96.077606][ C0] RSP: 0018:ffffc90000007dd8 EFLAGS: 00010006
[ 96.084918][ C0] RAX: ffff88809a35e100 RBX: ffff8880a27cd6e0 RCX: ffffffff844fc9f9
[ 96.094262][ C0] RDX: 0000000000010000 RSI: ffffffff844fcc85 RDI: 0000000000000007
[ 96.103028][ C0] RBP: ffffc90000007e08 R08: ffff88809a35e100 R09: ffff88809a35e998
[ 96.112035][ C0] R10: fffffbfff15017c8 R11: ffffffff8a80be47 R12: 000000000001bace
[ 96.121005][ C0] R13: ffff8880a27ccbe8 R14: 0000000000000000 R15: dffffc0000000000
[ 96.129939][ C0] ? vkms_vblank_simulate+0xa9/0x3c0
[ 96.136469][ C0] ? vkms_vblank_simulate+0x335/0x3c0
[ 96.142790][ C0] ? vkms_vblank_simulate+0x335/0x3c0
[ 96.149741][ C0] __hrtimer_run_queues+0x364/0xe40
[ 96.156313][ C0] ? vkms_disable_vblank+0x20/0x20
[ 96.162238][ C0] ? hrtimer_init+0x330/0x330
[ 96.168134][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20
[ 96.175199][ C0] ? ktime_get_update_offsets_now+0x2ce/0x430
[ 96.183035][ C0] hrtimer_interrupt+0x314/0x770
[ 96.188557][ C0] smp_apic_timer_interrupt+0x160/0x610
[ 96.194784][ C0] apic_timer_interrupt+0xf/0x20
[ 96.200442][ C0]
[ 96.204058][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x90/0xe0
[ 96.212776][ C0] Code: 48 c7 c0 58 af 93 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 39 48 83 3d cf 40 ca 01 00 74 24 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 41 49 87 f9 65 8b 05 e2 af 38 78
[ 96.238573][ C0] RSP: 0018:ffffc90001da7928 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 96.249866][ C0] RAX: 1ffffffff13275eb RBX: 0000000000000286 RCX: 0000000000000000
[ 96.260701][ C0] RDX: dffffc0000000000 RSI: 0000000000000006 RDI: 0000000000000286
[ 96.272129][ C0] RBP: ffffc90001da7938 R08: ffff88809a35e100 R09: 0000000000000000
[ 96.280212][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a27cc2f0
[ 96.288284][ C0] R13: 0000000000000000 R14: ffff8880a27cc2f0 R15: ffff8880a2618508
[ 96.296736][ C0] drm_vblank_get+0x150/0x1e0
[ 96.301717][ C0] drm_wait_vblank_ioctl+0x51b/0x1930
[ 96.308428][ C0] ? drm_dev_exit+0x22/0x60
[ 96.313937][ C0] ? drm_legacy_modeset_ctl_ioctl+0x4a0/0x4a0
[ 96.320310][ C0] ? lock_downgrade+0x920/0x920
[ 96.325312][ C0] ? lock_acquire+0x190/0x410
[ 96.329980][ C0] ? drm_dev_alloc+0xd0/0xd0
[ 96.334829][ C0] drm_ioctl_kernel+0x244/0x300
[ 96.339794][ C0] ? drm_legacy_modeset_ctl_ioctl+0x4a0/0x4a0
[ 96.346180][ C0] ? drm_setversion+0x8c0/0x8c0
[ 96.351070][ C0] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 96.358806][ C0] ? _copy_from_user+0x12c/0x1a0
[ 96.364206][ C0] drm_ioctl+0x54e/0xa60
[ 96.369138][ C0] ? drm_legacy_modeset_ctl_ioctl+0x4a0/0x4a0
[ 96.375918][ C0] ? drm_ioctl_kernel+0x300/0x300
[ 96.381527][ C0] ? tomoyo_execute_permission+0x4a0/0x4a0
[ 96.387636][ C0] ? drm_ioctl_kernel+0x300/0x300
[ 96.392687][ C0] do_vfs_ioctl+0x977/0x14e0
[ 96.398025][ C0] ? compat_ioctl_preallocate+0x220/0x220
[ 96.403755][ C0] ? kmem_cache_free+0x26b/0x320
[ 96.408735][ C0] ? putname+0xf4/0x130
[ 96.413037][ C0] ? do_sys_open+0x31d/0x5d0
[ 96.418332][ C0] ? tomoyo_file_ioctl+0x23/0x30
[ 96.424303][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 96.431451][ C0] ? security_file_ioctl+0x8d/0xc0
[ 96.437048][ C0] ksys_ioctl+0xab/0xd0
[ 96.441398][ C0] __x64_sys_ioctl+0x73/0xb0
[ 96.446649][ C0] do_syscall_64+0xfa/0x790
[ 96.452445][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 96.459592][ C0] RIP: 0033:0x443e29
[ 96.463571][ C0] 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 7b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
[ 96.483983][ C0] RSP: 002b:00007ffd76e03a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 96.493915][ C0] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000443e29
[ 96.503053][ C0] RDX: 0000000020000100 RSI: 00000000c018643a RDI: 0000000000000003
[ 96.511655][ C0] RBP: 00000000006ce018 R08: 0000000000000000 R09: 00000000004002e0
[ 96.521654][ C0] R10: 000000000000000f R11: 0000000000000246 R12: 0000000000401b30
[ 96.530951][ C0] R13: 0000000000401bc0 R14: 0000000000000000 R15: 0000000000000000
[ 96.541201][ C0] irq event stamp: 8216
[ 96.545619][ C0] hardirqs last enabled at (8215): [] _raw_spin_unlock_irqrestore+0x66/0xe0
[ 96.557382][ C0] hardirqs last disabled at (8216): [] trace_hardirqs_off_thunk+0x1a/0x1c
[ 96.569106][ C0] softirqs last enabled at (7604): [] fpu__clear+0x17c/0x440
[ 96.578734][ C0] softirqs last disabled at (7602): [] fpu__clear+0xe2/0x440
[ 96.588887][ C0] ---[ end trace 8148c8a923cad246 ]---
[ 96.596216][ C0] Kernel Offset: disabled
[ 96.601553][ C0] Rebooting in 86400 seconds..