program: r0 = openat$sw_sync(0xffffffffffffff9c, &(0x7f0000000400), 0x500, 0x0) ioctl$SW_SYNC_IOC_CREATE_FENCE(r0, 0xc0285700, &(0x7f0000000440)={0xffffffff, "418a814ada2b7b5ddf6df93463b735c8394113315b0708dddb36a3de0f0aa92a", 0xffffffffffffffff}) r2 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000340)={0x11, 0x3, &(0x7f0000000080)=ANY=[@ANYBLOB="1800000000000000000000000000000095"], &(0x7f0000000000)='syzkaller\x00'}, 0x94) (async) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./debug/failslab/task-filter\x00', 0x1, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./debug/failslab/probability\x00', 0x1, 0x50) (async) write(r3, &(0x7f0000000100)='N', 0x1) write(r4, &(0x7f0000000100)='100', 0x3) (async) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000200)={&(0x7f00000001c0)='ext4_drop_inode\x00', r2}, 0x18) (async) syz_kvm_setup_syzos_vm$x86(r1, &(0x7f0000bff000/0x400000)=nil) (async) r5 = syz_mount_image$udf(&(0x7f0000001080), &(0x7f00000010c0)='./file0\x00', 0x0, &(0x7f0000001100), 0x0, 0x1045, &(0x7f0000001140)="$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") r6 = openat(r5, &(0x7f0000000400)='.\x00', 0x0, 0x0) getdents64(r6, &(0x7f0000000500), 0x1000) [ 102.203063][ T5288] Bluetooth: hci0: command tx timeout [ 102.277705][ T4658] FAULT_INJECTION: forcing a failure. [ 102.277705][ T4658] name failslab, interval 1, probability 100, space 0, times 1 [ 102.277767][ T4658] CPU: 0 UID: 0 PID: 4658 Comm: kworker/0:4 Tainted: G L syzkaller #0 PREEMPT(full) [ 102.277783][ T4658] Tainted: [L]=SOFTLOCKUP [ 102.277788][ T4658] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 102.277795][ T4658] Workqueue: events drm_fb_helper_damage_work [ 102.277918][ T4658] Call Trace: [ 102.277939][ T4658] [ 102.277947][ T4658] dump_stack_lvl+0xe8/0x150 [ 102.277977][ T4658] should_fail_ex+0x410/0x560 [ 102.278007][ T4658] should_failslab+0xa8/0x100 [ 102.278025][ T4658] __kmalloc_cache_noprof+0xa3/0x600 [ 102.278050][ T4658] ? drm_atomic_commit_alloc+0xa9/0x100 [ 102.278069][ T4658] ? drm_atomic_commit_alloc+0xa9/0x100 [ 102.278093][ T4658] drm_atomic_commit_alloc+0xa9/0x100 [ 102.278108][ T4658] drm_atomic_helper_dirtyfb+0x129/0xfd0 [ 102.278127][ T4658] ? __lock_acquire+0x747/0x2de0 [ 102.278142][ T4658] ? __pfx_drm_atomic_helper_dirtyfb+0x10/0x10 [ 102.278165][ T4658] ? do_raw_spin_lock+0x12b/0x2f0 [ 102.278211][ T4658] drm_fbdev_shmem_helper_fb_dirty+0x160/0x310 [ 102.278231][ T4658] drm_fb_helper_damage_work+0x84c/0xf20 [ 102.278247][ T4658] ? __pfx_drm_fb_helper_damage_work+0x10/0x10 [ 102.278267][ T4658] ? lock_acquire+0x115/0x350 [ 102.278282][ T4658] ? rcu_is_watching+0x16/0xb0 [ 102.278296][ T4658] ? process_scheduled_works+0x97a/0x1630 [ 102.278310][ T4658] process_scheduled_works+0xc3d/0x1630 [ 102.278341][ T4658] ? __pfx_process_scheduled_works+0x10/0x10 [ 102.278357][ T4658] ? assign_work+0x3cf/0x5d0 [ 102.278373][ T4658] worker_thread+0xa47/0xfb0 [ 102.278395][ T4658] ? __kthread_parkme+0x71/0x1f0 [ 102.278415][ T4658] kthread+0x38b/0x480 [ 102.278426][ T4658] ? __pfx_worker_thread+0x10/0x10 [ 102.278438][ T4658] ? __pfx_kthread+0x10/0x10 [ 102.278449][ T4658] ret_from_fork+0x514/0xb70 [ 102.278462][ T4658] ? __pfx_ret_from_fork+0x10/0x10 [ 102.278472][ T4658] ? __switch_to+0xc89/0x1420 [ 102.278487][ T4658] ? __pfx_kthread+0x10/0x10 [ 102.278505][ T4658] ret_from_fork_asm+0x1a/0x30 [ 102.278530][ T4658] [ 102.278645][ T4658] ------------[ cut here ]------------ [ 102.278651][ T4658] virtio-pci 0000:00:01.0: [drm] Dirty helper failed: ret=-12 [ 102.278658][ T4658] WARNING: drivers/gpu/drm/drm_fbdev_shmem.c:118 at drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310, CPU#0: kworker/0:4/4658 [ 102.394770][ T4658] Modules linked in: [ 102.399030][ T4658] CPU: 0 UID: 0 PID: 4658 Comm: kworker/0:4 Tainted: G L syzkaller #0 PREEMPT(full) [ 102.404540][ T4658] Tainted: [L]=SOFTLOCKUP [ 102.406954][ T4658] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 102.412199][ T4658] Workqueue: events drm_fb_helper_damage_work [ 102.415386][ T4658] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310 [ 102.418816][ T4658] Code: 29 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 fa eb 9a 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 [ 102.432243][ T4658] RSP: 0018:ffffc9000f6ef898 EFLAGS: 00010246 [ 102.435095][ T4658] RAX: 1ffff11003f5541a RBX: 00000000fffffff4 RCX: 00000000fffffff4 [ 102.438817][ T4658] RDX: ffff88805b37aff0 RSI: ffffffff8c79c440 RDI: ffffffff90863010 [ 102.442463][ T4658] RBP: ffff888000a52008 R08: 0000000000000dc0 R09: 00000000ffffffff [ 102.446434][ T4658] R10: dffffc0000000000 R11: fffffbfff1dd616f R12: ffff88805b37aff0 [ 102.449957][ T4658] R13: dffffc0000000000 R14: ffffffff8c79c440 R15: ffff88801faaa0d0 [ 102.453659][ T4658] FS: 0000000000000000(0000) GS:ffff88808c2c7000(0000) knlGS:0000000000000000 [ 102.457567][ T4658] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 102.460647][ T4658] CR2: 00007f6989bf5d58 CR3: 000000000bf4a000 CR4: 0000000000352ef0 [ 102.464729][ T4658] Call Trace: [ 102.466651][ T4658] [ 102.467920][ T4658] drm_fb_helper_damage_work+0x84c/0xf20 [ 102.470192][ T4658] ? __pfx_drm_fb_helper_damage_work+0x10/0x10 [ 102.472572][ T4658] ? lock_acquire+0x115/0x350 [ 102.474775][ T4658] ? rcu_is_watching+0x16/0xb0 [ 102.477197][ T4658] ? process_scheduled_works+0x97a/0x1630 [ 102.479669][ T4658] process_scheduled_works+0xc3d/0x1630 [ 102.482628][ T4658] ? __pfx_process_scheduled_works+0x10/0x10 [ 102.485741][ T4658] ? assign_work+0x3cf/0x5d0 [ 102.488103][ T4658] worker_thread+0xa47/0xfb0 [ 102.490024][ T4658] ? __kthread_parkme+0x71/0x1f0 [ 102.491979][ T4658] kthread+0x38b/0x480 [ 102.493657][ T4658] ? __pfx_worker_thread+0x10/0x10 [ 102.496055][ T4658] ? __pfx_kthread+0x10/0x10 [ 102.498339][ T4658] ret_from_fork+0x514/0xb70 [ 102.500822][ T4658] ? __pfx_ret_from_fork+0x10/0x10 [ 102.503720][ T4658] ? __switch_to+0xc89/0x1420 [ 102.508149][ T4658] ? __pfx_kthread+0x10/0x10 [ 102.510080][ T4658] ret_from_fork_asm+0x1a/0x30 [ 102.511844][ T4658] [ 102.513091][ T4658] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 102.516168][ T4658] CPU: 0 UID: 0 PID: 4658 Comm: kworker/0:4 Tainted: G L syzkaller #0 PREEMPT(full) [ 102.520949][ T4658] Tainted: [L]=SOFTLOCKUP [ 102.523730][ T4658] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 102.528542][ T4658] Workqueue: events drm_fb_helper_damage_work [ 102.530964][ T4658] Call Trace: [ 102.532630][ T4658] [ 102.533978][ T4658] vpanic+0x56d/0xa60 [ 102.535815][ T4658] ? __pfx__printk+0x10/0x10 [ 102.537838][ T4658] ? __pfx_vpanic+0x10/0x10 [ 102.540826][ T4658] ? is_bpf_text_address+0x292/0x2b0 [ 102.544741][ T4658] ? is_bpf_text_address+0x26/0x2b0 [ 102.547475][ T4658] panic+0xc5/0xd0 [ 102.549188][ T4658] ? __pfx_panic+0x10/0x10 [ 102.551232][ T4658] ? ret_from_fork_asm+0x1a/0x30 [ 102.553459][ T4658] __warn+0x315/0x4c0 [ 102.555229][ T4658] ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310 [ 102.557933][ T4658] ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310 [ 102.561039][ T4658] __report_bug+0x276/0x570 [ 102.563651][ T4658] ? drm_modeset_acquire_fini+0x27/0x180 [ 102.566537][ T4658] ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310 [ 102.569575][ T4658] ? __pfx___report_bug+0x10/0x10 [ 102.572123][ T4658] ? drm_atomic_helper_dirtyfb+0xf27/0xfd0 [ 102.574985][ T4658] ? __pfx_drm_atomic_helper_dirtyfb+0x10/0x10 [ 102.577985][ T4658] report_bug_entry+0x19b/0x290 [ 102.580608][ T4658] ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310 [ 102.584055][ T4658] ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310 [ 102.587472][ T4658] handle_bug+0xce/0x200 [ 102.589416][ T4658] exc_invalid_op+0x1a/0x50 [ 102.591857][ T4658] asm_exc_invalid_op+0x1a/0x20 [ 102.594193][ T4658] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310 [ 102.597778][ T4658] Code: 29 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 fa eb 9a 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 [ 102.607362][ T4658] RSP: 0018:ffffc9000f6ef898 EFLAGS: 00010246 [ 102.610277][ T4658] RAX: 1ffff11003f5541a RBX: 00000000fffffff4 RCX: 00000000fffffff4 [ 102.614427][ T4658] RDX: ffff88805b37aff0 RSI: ffffffff8c79c440 RDI: ffffffff90863010 [ 102.618800][ T4658] RBP: ffff888000a52008 R08: 0000000000000dc0 R09: 00000000ffffffff [ 102.623335][ T4658] R10: dffffc0000000000 R11: fffffbfff1dd616f R12: ffff88805b37aff0 [ 102.627340][ T4658] R13: dffffc0000000000 R14: ffffffff8c79c440 R15: ffff88801faaa0d0 [ 102.631189][ T4658] ? drm_fbdev_shmem_helper_fb_dirty+0x260/0x310 [ 102.634547][ T4658] drm_fb_helper_damage_work+0x84c/0xf20 [ 102.637825][ T4658] ? __pfx_drm_fb_helper_damage_work+0x10/0x10 [ 102.641300][ T4658] ? lock_acquire+0x115/0x350 [ 102.643637][ T4658] ? rcu_is_watching+0x16/0xb0 [ 102.646036][ T4658] ? process_scheduled_works+0x97a/0x1630 [ 102.648743][ T4658] process_scheduled_works+0xc3d/0x1630 [ 102.651819][ T4658] ? __pfx_process_scheduled_works+0x10/0x10 [ 102.655347][ T4658] ? assign_work+0x3cf/0x5d0 [ 102.657911][ T4658] worker_thread+0xa47/0xfb0 [ 102.660287][ T4658] ? __kthread_parkme+0x71/0x1f0 [ 102.662899][ T4658] kthread+0x38b/0x480 [ 102.664910][ T4658] ? __pfx_worker_thread+0x10/0x10 [ 102.667326][ T4658] ? __pfx_kthread+0x10/0x10 [ 102.669326][ T4658] ret_from_fork+0x514/0xb70 [ 102.671906][ T4658] ? __pfx_ret_from_fork+0x10/0x10 [ 102.674450][ T4658] ? __switch_to+0xc89/0x1420 [ 102.676726][ T4658] ? __pfx_kthread+0x10/0x10 [ 102.678997][ T4658] ret_from_fork_asm+0x1a/0x30 [ 102.681073][ T4658] [ 102.682817][ T4658] Kernel Offset: disabled [ 102.684721][ T4658] Rebooting in 86400 seconds..