program:
mlock(&(0x7f0000000000/0x800000)=nil, 0x800000)
socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$nl_route_sched_retired(0xffffffffffffffff, 0x0, 0x0)
ioctl$NS_GET_OWNER_UID(0xffffffffffffffff, 0xb704, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$SEG6(0x0, r0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./debug/failslab/task-filter\x00', 0x1, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./debug/failslab/probability\x00', 0x1, 0x50)
write(r1, &(0x7f0000000100)='N', 0x1)
write(r2, &(0x7f0000000100)='100', 0x3)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19)
[ 116.786665][ T46] Bluetooth: hci0: command tx timeout
[ 117.208667][ T5335] FAULT_INJECTION: forcing a failure.
[ 117.208667][ T5335] name failslab, interval 1, probability 100, space 0, times 1
[ 117.214046][ T1924] FAULT_INJECTION: forcing a failure.
[ 117.214046][ T1924] name failslab, interval 1, probability 100, space 0, times 1
[ 117.214068][ T1924] CPU: 0 UID: 0 PID: 1924 Comm: kworker/0:4 Not tainted syzkaller #0 PREEMPT(full)
[ 117.214079][ T1924] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 117.214087][ T1924] Workqueue: events drm_fb_helper_damage_work
[ 117.214164][ T1924] Call Trace:
[ 117.214174][ T1924]
[ 117.214179][ T1924] dump_stack_lvl+0xe8/0x150
[ 117.214196][ T1924] should_fail_ex+0x410/0x560
[ 117.214215][ T1924] should_failslab+0xa8/0x100
[ 117.214228][ T1924] __kmalloc_cache_noprof+0xa3/0x600
[ 117.214243][ T1924] ? drm_atomic_commit_alloc+0xa9/0x100
[ 117.214258][ T1924] ? drm_atomic_commit_alloc+0xa9/0x100
[ 117.214272][ T1924] drm_atomic_commit_alloc+0xa9/0x100
[ 117.214284][ T1924] drm_atomic_helper_dirtyfb+0x129/0xfd0
[ 117.214301][ T1924] ? __lock_acquire+0x747/0x2de0
[ 117.214315][ T1924] ? __pfx_drm_atomic_helper_dirtyfb+0x10/0x10
[ 117.214337][ T1924] ? do_raw_spin_lock+0x12b/0x2f0
[ 117.214357][ T1924] drm_fbdev_shmem_helper_fb_dirty+0x160/0x310
[ 117.214374][ T1924] drm_fb_helper_damage_work+0x84c/0xf20
[ 117.214390][ T1924] ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[ 117.214415][ T1924] ? lock_acquire+0x115/0x350
[ 117.214429][ T1924] ? rcu_is_watching+0x16/0xb0
[ 117.214443][ T1924] ? process_scheduled_works+0x97a/0x1630
[ 117.214457][ T1924] process_scheduled_works+0xc3d/0x1630
[ 117.214487][ T1924] ? __pfx_process_scheduled_works+0x10/0x10
[ 117.214504][ T1924] ? assign_work+0x3cf/0x5d0
[ 117.214519][ T1924] worker_thread+0xa47/0xfb0
[ 117.214540][ T1924] ? __kthread_parkme+0x71/0x1f0
[ 117.214560][ T1924] kthread+0x38b/0x480
[ 117.214571][ T1924] ? __pfx_worker_thread+0x10/0x10
[ 117.214582][ T1924] ? __pfx_kthread+0x10/0x10
[ 117.214593][ T1924] ret_from_fork+0x514/0xb70
[ 117.214605][ T1924] ? __pfx_ret_from_fork+0x10/0x10
[ 117.214614][ T1924] ? __switch_to+0xc89/0x1420
[ 117.214630][ T1924] ? __pfx_kthread+0x10/0x10
[ 117.214640][ T1924] ret_from_fork_asm+0x1a/0x30
[ 117.214682][ T1924]
[ 117.214824][ T1924] ------------[ cut here ]------------
[ 117.214830][ T1924] virtio-pci 0000:00:01.0: [drm] Dirty helper failed: ret=-12
[ 117.214837][ T1924] WARNING: drivers/gpu/drm/drm_fbdev_shmem.c:118 at drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310, CPU#0: kworker/0:4/1924
[ 117.312630][ T1924] Modules linked in:
[ 117.314426][ T1924] CPU: 0 UID: 0 PID: 1924 Comm: kworker/0:4 Not tainted syzkaller #0 PREEMPT(full)
[ 117.318483][ T1924] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 117.322868][ T1924] Workqueue: events drm_fb_helper_damage_work
[ 117.325487][ T1924] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[ 117.328614][ T1924] Code: 29 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 1a 22 9b 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
[ 117.337026][ T1924] RSP: 0018:ffffc90004e77898 EFLAGS: 00010246
[ 117.339605][ T1924] RAX: 1ffff11003ed341a RBX: 00000000fffffff4 RCX: 00000000fffffff4
[ 117.342869][ T1924] RDX: ffff88801f3e5ee0 RSI: ffffffff8c79be40 RDI: ffffffff90862150
[ 117.346441][ T1924] RBP: ffff88801d202008 R08: 0000000000000dc0 R09: 00000000ffffffff
[ 117.349902][ T1924] R10: dffffc0000000000 R11: fffffbfff1dd6137 R12: ffff88801f3e5ee0
[ 117.353286][ T1924] R13: dffffc0000000000 R14: ffffffff8c79be40 R15: ffff88801f69a0d0
[ 117.356619][ T1924] FS: 0000000000000000(0000) GS:ffff88808c2ca000(0000) knlGS:0000000000000000
[ 117.360513][ T1924] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 117.363325][ T1924] CR2: 0000000000000000 CR3: 0000000012f74000 CR4: 0000000000352ef0
[ 117.366821][ T1924] Call Trace:
[ 117.368222][ T1924]
[ 117.369482][ T1924] drm_fb_helper_damage_work+0x84c/0xf20
[ 117.371756][ T1924] ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[ 117.374349][ T1924] ? lock_acquire+0x115/0x350
[ 117.376418][ T1924] ? rcu_is_watching+0x16/0xb0
[ 117.378419][ T1924] ? process_scheduled_works+0x97a/0x1630
[ 117.381000][ T1924] process_scheduled_works+0xc3d/0x1630
[ 117.383505][ T1924] ? __pfx_process_scheduled_works+0x10/0x10
[ 117.386317][ T1924] ? assign_work+0x3cf/0x5d0
[ 117.388403][ T1924] worker_thread+0xa47/0xfb0
[ 117.390528][ T1924] ? __kthread_parkme+0x71/0x1f0
[ 117.392709][ T1924] kthread+0x38b/0x480
[ 117.394693][ T1924] ? __pfx_worker_thread+0x10/0x10
[ 117.397247][ T1924] ? __pfx_kthread+0x10/0x10
[ 117.399247][ T1924] ret_from_fork+0x514/0xb70
[ 117.401322][ T1924] ? __pfx_ret_from_fork+0x10/0x10
[ 117.403553][ T1924] ? __switch_to+0xc89/0x1420
[ 117.405571][ T1924] ? __pfx_kthread+0x10/0x10
[ 117.407507][ T1924] ret_from_fork_asm+0x1a/0x30
[ 117.409578][ T1924]
[ 117.410922][ T1924] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 117.414155][ T1924] CPU: 0 UID: 0 PID: 1924 Comm: kworker/0:4 Not tainted syzkaller #0 PREEMPT(full)
[ 117.418009][ T1924] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 117.421863][ T1924] Workqueue: events drm_fb_helper_damage_work
[ 117.424161][ T1924] Call Trace:
[ 117.425663][ T1924]
[ 117.426899][ T1924] vpanic+0x56d/0xa60
[ 117.428657][ T1924] ? __pfx__printk+0x10/0x10
[ 117.430765][ T1924] ? __pfx_vpanic+0x10/0x10
[ 117.432848][ T1924] ? is_bpf_text_address+0x292/0x2b0
[ 117.435242][ T1924] ? is_bpf_text_address+0x26/0x2b0
[ 117.437628][ T1924] panic+0xc5/0xd0
[ 117.439236][ T1924] ? __pfx_panic+0x10/0x10
[ 117.441205][ T1924] ? ret_from_fork_asm+0x1a/0x30
[ 117.443362][ T1924] __warn+0x315/0x4c0
[ 117.444995][ T1924] ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[ 117.447792][ T1924] ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[ 117.450576][ T1924] __report_bug+0x276/0x570
[ 117.452531][ T1924] ? drm_modeset_acquire_fini+0x27/0x180
[ 117.455048][ T1924] ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[ 117.457781][ T1924] ? __pfx___report_bug+0x10/0x10
[ 117.459954][ T1924] ? drm_atomic_helper_dirtyfb+0xf27/0xfd0
[ 117.462575][ T1924] ? __pfx_drm_atomic_helper_dirtyfb+0x10/0x10
[ 117.465283][ T1924] report_bug_entry+0x19b/0x290
[ 117.467357][ T1924] ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[ 117.470075][ T1924] ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[ 117.472841][ T1924] handle_bug+0xce/0x200
[ 117.474678][ T1924] exc_invalid_op+0x1a/0x50
[ 117.476567][ T1924] asm_exc_invalid_op+0x1a/0x20
[ 117.478728][ T1924] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[ 117.481807][ T1924] Code: 29 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 1a 22 9b 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
[ 117.490035][ T1924] RSP: 0018:ffffc90004e77898 EFLAGS: 00010246
[ 117.492700][ T1924] RAX: 1ffff11003ed341a RBX: 00000000fffffff4 RCX: 00000000fffffff4
[ 117.496159][ T1924] RDX: ffff88801f3e5ee0 RSI: ffffffff8c79be40 RDI: ffffffff90862150
[ 117.499530][ T1924] RBP: ffff88801d202008 R08: 0000000000000dc0 R09: 00000000ffffffff
[ 117.502953][ T1924] R10: dffffc0000000000 R11: fffffbfff1dd6137 R12: ffff88801f3e5ee0
[ 117.506329][ T1924] R13: dffffc0000000000 R14: ffffffff8c79be40 R15: ffff88801f69a0d0
[ 117.509607][ T1924] ? drm_fbdev_shmem_helper_fb_dirty+0x260/0x310
[ 117.512257][ T1924] drm_fb_helper_damage_work+0x84c/0xf20
[ 117.514674][ T1924] ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[ 117.517261][ T1924] ? lock_acquire+0x115/0x350
[ 117.519286][ T1924] ? rcu_is_watching+0x16/0xb0
[ 117.521350][ T1924] ? process_scheduled_works+0x97a/0x1630
[ 117.523952][ T1924] process_scheduled_works+0xc3d/0x1630
[ 117.526383][ T1924] ? __pfx_process_scheduled_works+0x10/0x10
[ 117.528780][ T1924] ? assign_work+0x3cf/0x5d0
[ 117.530898][ T1924] worker_thread+0xa47/0xfb0
[ 117.533000][ T1924] ? __kthread_parkme+0x71/0x1f0
[ 117.535539][ T1924] kthread+0x38b/0x480
[ 117.537849][ T1924] ? __pfx_worker_thread+0x10/0x10
[ 117.540684][ T1924] ? __pfx_kthread+0x10/0x10
[ 117.543217][ T1924] ret_from_fork+0x514/0xb70
[ 117.545777][ T1924] ? __pfx_ret_from_fork+0x10/0x10
[ 117.548715][ T1924] ? __switch_to+0xc89/0x1420
[ 117.550837][ T1924] ? __pfx_kthread+0x10/0x10
[ 117.552710][ T1924] ret_from_fork_asm+0x1a/0x30
[ 117.554832][ T1924]
[ 117.556713][ T1924] Kernel Offset: disabled
[ 117.558553][ T1924] Rebooting in 86400 seconds..