program:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./debug/failslab/task-filter\x00', 0x1, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./debug/failslab/probability\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='N', 0x1)
write(r1, &(0x7f0000000100)='100', 0x3)
bpf$PROG_LOAD(0x5, &(0x7f00000017c0)={0x1, 0xe, &(0x7f0000000380)=ANY=[@ANYBLOB="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"], &(0x7f00000001c0)='GPL\x00'}, 0x48)
[ 94.615992][ T4637] Bluetooth: hci0: command tx timeout
[ 94.732781][ T5309] FAULT_INJECTION: forcing a failure.
[ 94.732781][ T5309] name failslab, interval 1, probability 100, space 0, times 1
[ 94.739499][ T1370] FAULT_INJECTION: forcing a failure.
[ 94.739499][ T1370] name failslab, interval 1, probability 100, space 0, times 1
[ 94.745538][ T1370] CPU: 0 UID: 0 PID: 1370 Comm: kworker/0:3 Not tainted syzkaller #0 PREEMPT(full)
[ 94.745556][ T1370] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 94.745564][ T1370] Workqueue: events drm_fb_helper_damage_work
[ 94.745664][ T1370] Call Trace:
[ 94.745669][ T1370]
[ 94.745675][ T1370] dump_stack_lvl+0xe8/0x150
[ 94.745693][ T1370] should_fail_ex+0x40c/0x560
[ 94.745714][ T1370] should_failslab+0xa8/0x100
[ 94.745730][ T1370] __kmalloc_cache_noprof+0xa8/0x660
[ 94.745744][ T1370] ? drm_atomic_commit_alloc+0xa9/0x100
[ 94.745761][ T1370] ? drm_atomic_commit_alloc+0xa9/0x100
[ 94.745781][ T1370] drm_atomic_commit_alloc+0xa9/0x100
[ 94.745800][ T1370] drm_atomic_helper_dirtyfb+0x129/0xfd0
[ 94.745816][ T1370] ? __lock_acquire+0x683/0x2cf0
[ 94.745836][ T1370] ? __pfx_drm_atomic_helper_dirtyfb+0x10/0x10
[ 94.745858][ T1370] ? do_raw_spin_lock+0x12b/0x2f0
[ 94.745878][ T1370] drm_fbdev_shmem_helper_fb_dirty+0x160/0x310
[ 94.745896][ T1370] drm_fb_helper_damage_work+0x84c/0xf20
[ 94.745918][ T1370] ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[ 94.745946][ T1370] ? process_scheduled_works+0xa20/0x14e0
[ 94.745962][ T1370] ? rcu_is_watching+0x15/0xb0
[ 94.745981][ T1370] ? process_scheduled_works+0xa20/0x14e0
[ 94.745992][ T1370] process_scheduled_works+0xa8e/0x14e0
[ 94.746020][ T1370] ? __pfx_process_scheduled_works+0x10/0x10
[ 94.746036][ T1370] ? assign_work+0x3cf/0x5d0
[ 94.746051][ T1370] worker_thread+0xa47/0xfb0
[ 94.746073][ T1370] ? __kthread_parkme+0x71/0x1f0
[ 94.746092][ T1370] kthread+0x388/0x470
[ 94.746107][ T1370] ? __pfx_worker_thread+0x10/0x10
[ 94.746119][ T1370] ? __pfx_kthread+0x10/0x10
[ 94.746134][ T1370] ret_from_fork+0x514/0xb70
[ 94.746152][ T1370] ? __pfx_ret_from_fork+0x10/0x10
[ 94.746167][ T1370] ? __switch_to+0xc89/0x1420
[ 94.746181][ T1370] ? __pfx_kthread+0x10/0x10
[ 94.746221][ T1370] ret_from_fork_asm+0x1a/0x30
[ 94.746248][ T1370]
[ 94.746903][ T1370] ------------[ cut here ]------------
[ 94.832239][ T1370] virtio-pci 0000:00:01.0: [drm] Dirty helper failed: ret=-12
[ 94.835287][ T1370] WARNING: drivers/gpu/drm/drm_fbdev_shmem.c:118 at drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310, CPU#0: kworker/0:3/1370
[ 94.840339][ T1370] Modules linked in:
[ 94.842180][ T1370] CPU: 0 UID: 0 PID: 1370 Comm: kworker/0:3 Not tainted syzkaller #0 PREEMPT(full)
[ 94.846116][ T1370] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 94.850144][ T1370] Workqueue: events drm_fb_helper_damage_work
[ 94.852800][ T1370] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[ 94.856425][ T1370] Code: 35 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 1a 5b a4 fc 4d 8b 27 48 89 df 4c 89 f6 4c 89 e2 8b 5c 24 04 89 d9 <67> 48 0f b9 3a 89 d8 e9 f7 fe ff ff 89 d9 80 e1 07 fe c1 38 c1 0f
[ 94.866788][ T1370] RSP: 0018:ffffc900025af8b8 EFLAGS: 00010246
[ 94.870039][ T1370] RAX: 1ffff11003f0f01a RBX: 00000000fffffff4 RCX: 00000000fffffff4
[ 94.873833][ T1370] RDX: ffff88801f646de0 RSI: ffffffff8c57c800 RDI: ffffffff90638ee0
[ 94.877048][ T1370] RBP: ffff88801d376008 R08: ffffffff90576d37 R09: 1ffffffff20aeda6
[ 94.880058][ T1370] R10: dffffc0000000000 R11: fffffbfff20aeda7 R12: ffff88801f646de0
[ 94.883148][ T1370] R13: dffffc0000000000 R14: ffffffff8c57c800 R15: ffff88801f8780d0
[ 94.886942][ T1370] FS: 0000000000000000(0000) GS:ffff88808c549000(0000) knlGS:0000000000000000
[ 94.890737][ T1370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 94.893639][ T1370] CR2: 00007f09811f22e0 CR3: 00000000122d9000 CR4: 0000000000352ef0
[ 94.897516][ T1370] Call Trace:
[ 94.899021][ T1370]
[ 94.900365][ T1370] drm_fb_helper_damage_work+0x84c/0xf20
[ 94.902832][ T1370] ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[ 94.905591][ T1370] ? process_scheduled_works+0xa20/0x14e0
[ 94.907972][ T1370] ? rcu_is_watching+0x15/0xb0
[ 94.909816][ T1370] ? process_scheduled_works+0xa20/0x14e0
[ 94.912094][ T1370] process_scheduled_works+0xa8e/0x14e0
[ 94.914463][ T1370] ? __pfx_process_scheduled_works+0x10/0x10
[ 94.917015][ T1370] ? assign_work+0x3cf/0x5d0
[ 94.918938][ T1370] worker_thread+0xa47/0xfb0
[ 94.920954][ T1370] ? __kthread_parkme+0x71/0x1f0
[ 94.923083][ T1370] kthread+0x388/0x470
[ 94.924852][ T1370] ? __pfx_worker_thread+0x10/0x10
[ 94.927111][ T1370] ? __pfx_kthread+0x10/0x10
[ 94.929083][ T1370] ret_from_fork+0x514/0xb70
[ 94.931075][ T1370] ? __pfx_ret_from_fork+0x10/0x10
[ 94.933247][ T1370] ? __switch_to+0xc89/0x1420
[ 94.935220][ T1370] ? __pfx_kthread+0x10/0x10
[ 94.937427][ T1370] ret_from_fork_asm+0x1a/0x30
[ 94.939604][ T1370]
[ 94.940974][ T1370] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 94.944085][ T1370] CPU: 0 UID: 0 PID: 1370 Comm: kworker/0:3 Not tainted syzkaller #0 PREEMPT(full)
[ 94.948012][ T1370] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 94.952066][ T1370] Workqueue: events drm_fb_helper_damage_work
[ 94.954452][ T1370] Call Trace:
[ 94.955841][ T1370]
[ 94.957180][ T1370] vpanic+0x56c/0xa60
[ 94.958784][ T1370] ? __pfx__printk+0x10/0x10
[ 94.960727][ T1370] ? __pfx_vpanic+0x10/0x10
[ 94.962586][ T1370] ? is_bpf_text_address+0x292/0x2b0
[ 94.964579][ T1370] ? is_bpf_text_address+0x26/0x2b0
[ 94.966630][ T1370] panic+0xc5/0xd0
[ 94.968091][ T1370] ? __pfx_panic+0x10/0x10
[ 94.969989][ T1370] ? ret_from_fork_asm+0x1a/0x30
[ 94.972155][ T1370] __warn+0x315/0x4c0
[ 94.973930][ T1370] ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[ 94.976654][ T1370] ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[ 94.979270][ T1370] __report_bug+0x276/0x570
[ 94.981263][ T1370] ? drm_modeset_acquire_fini+0x27/0x180
[ 94.983636][ T1370] ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[ 94.986326][ T1370] ? __pfx___report_bug+0x10/0x10
[ 94.988402][ T1370] ? drm_atomic_helper_dirtyfb+0xf27/0xfd0
[ 94.990949][ T1370] ? __pfx_drm_atomic_helper_dirtyfb+0x10/0x10
[ 94.993671][ T1370] report_bug_entry+0x19a/0x290
[ 94.995726][ T1370] ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[ 94.998389][ T1370] ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[ 95.001114][ T1370] handle_bug+0xce/0x200
[ 95.002890][ T1370] exc_invalid_op+0x1a/0x50
[ 95.004808][ T1370] asm_exc_invalid_op+0x1a/0x20
[ 95.006838][ T1370] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[ 95.009754][ T1370] Code: 35 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 1a 5b a4 fc 4d 8b 27 48 89 df 4c 89 f6 4c 89 e2 8b 5c 24 04 89 d9 <67> 48 0f b9 3a 89 d8 e9 f7 fe ff ff 89 d9 80 e1 07 fe c1 38 c1 0f
[ 95.017898][ T1370] RSP: 0018:ffffc900025af8b8 EFLAGS: 00010246
[ 95.020384][ T1370] RAX: 1ffff11003f0f01a RBX: 00000000fffffff4 RCX: 00000000fffffff4
[ 95.023814][ T1370] RDX: ffff88801f646de0 RSI: ffffffff8c57c800 RDI: ffffffff90638ee0
[ 95.027103][ T1370] RBP: ffff88801d376008 R08: ffffffff90576d37 R09: 1ffffffff20aeda6
[ 95.030382][ T1370] R10: dffffc0000000000 R11: fffffbfff20aeda7 R12: ffff88801f646de0
[ 95.033613][ T1370] R13: dffffc0000000000 R14: ffffffff8c57c800 R15: ffff88801f8780d0
[ 95.036821][ T1370] ? drm_fbdev_shmem_helper_fb_dirty+0x260/0x310
[ 95.039450][ T1370] drm_fb_helper_damage_work+0x84c/0xf20
[ 95.041808][ T1370] ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[ 95.044289][ T1370] ? process_scheduled_works+0xa20/0x14e0
[ 95.046594][ T1370] ? rcu_is_watching+0x15/0xb0
[ 95.048546][ T1370] ? process_scheduled_works+0xa20/0x14e0
[ 95.050809][ T1370] process_scheduled_works+0xa8e/0x14e0
[ 95.053024][ T1370] ? __pfx_process_scheduled_works+0x10/0x10
[ 95.055302][ T1370] ? assign_work+0x3cf/0x5d0
[ 95.057197][ T1370] worker_thread+0xa47/0xfb0
[ 95.059203][ T1370] ? __kthread_parkme+0x71/0x1f0
[ 95.061296][ T1370] kthread+0x388/0x470
[ 95.062992][ T1370] ? __pfx_worker_thread+0x10/0x10
[ 95.065184][ T1370] ? __pfx_kthread+0x10/0x10
[ 95.067135][ T1370] ret_from_fork+0x514/0xb70
[ 95.069141][ T1370] ? __pfx_ret_from_fork+0x10/0x10
[ 95.071313][ T1370] ? __switch_to+0xc89/0x1420
[ 95.073431][ T1370] ? __pfx_kthread+0x10/0x10
[ 95.075495][ T1370] ret_from_fork_asm+0x1a/0x30
[ 95.077581][ T1370]
[ 95.079309][ T1370] Kernel Offset: disabled
[ 95.081185][ T1370] Rebooting in 86400 seconds..