program: ioctl$XFS_IOC_PATH_TO_HANDLE(0xffffffffffffffff, 0xc0385869, &(0x7f0000000140)={0xffffffffffffffff, &(0x7f0000000000)='\'#\x00', 0x0, &(0x7f0000000080)={@_ha_fsid={[0x8001, 0x7]}, {0x89b1, 0x6, 0x5, 0x6}}, 0xce6, &(0x7f00000000c0)={@_ha_fsid}, &(0x7f0000000100)=0x2}) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)={0x18, 0x26, 0x301, 0x270bd1d, 0x25dfdbfa, {0x1}, [@nested={0x4, 0xae}]}, 0x18}}, 0x0) recvmsg(r1, &(0x7f0000001580)={0x0, 0x0, &(0x7f0000001480)=[{&(0x7f0000000240)=""/36, 0x24}, {&(0x7f0000000340)=""/91, 0x5b}, {&(0x7f0000000480)=""/4096, 0x1000}], 0x3}, 0x0) accept4$vsock_stream(r0, &(0x7f0000000180)={0x28, 0x0, 0x2711, @local}, 0x10, 0xc0800) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./debug/failslab/task-filter\x00', 0x1, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./debug/failslab/probability\x00', 0x1, 0x0) write(r2, &(0x7f0000000100)='N', 0x1) write(r3, &(0x7f0000000100)='100', 0x3) lsetxattr$trusted_overlay_origin(0x0, &(0x7f00000001c0), &(0x7f0000000340), 0x2, 0x2) mount$9p_fd(0x0, 0x0, 0x0, 0x1000, 0x0) syz_mount_image$squashfs(&(0x7f0000000040), &(0x7f0000000240)='./file0\x00', 0x210000, &(0x7f0000000000)=ANY=[], 0xff, 0x1ca, &(0x7f0000000280)="$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") [ 93.691744][ T5286] Bluetooth: hci0: command tx timeout [ 93.726175][ T5322] FAULT_INJECTION: forcing a failure. [ 93.726175][ T5322] name failslab, interval 1, probability 100, space 0, times 1 [ 93.726284][ T5322] CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 93.726313][ T5322] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 93.726331][ T5322] Call Trace: [ 93.726337][ T5322] [ 93.726344][ T5322] dump_stack_lvl+0xe8/0x150 [ 93.726402][ T5322] should_fail_ex+0x410/0x560 [ 93.726468][ T5322] should_failslab+0xa8/0x100 [ 93.726484][ T5322] __kvmalloc_node_noprof+0x176/0x820 [ 93.726505][ T5322] ? vmemdup_user+0x2b/0xd0 [ 93.726525][ T5322] ? vmemdup_user+0x2b/0xd0 [ 93.726546][ T5322] vmemdup_user+0x2b/0xd0 [ 93.726564][ T5322] path_setxattrat+0x2d0/0x450 [ 93.726586][ T5322] ? __pfx_path_setxattrat+0x10/0x10 [ 93.726602][ T5322] ? do_futex+0x3e7/0x4e0 [ 93.726634][ T5322] ? rcu_is_watching+0x16/0xb0 [ 93.726651][ T5322] __x64_sys_lsetxattr+0xbf/0xe0 [ 93.726669][ T5322] do_syscall_64+0x166/0x520 [ 93.726718][ T5322] ? trace_irq_disable+0x3b/0x140 [ 93.726731][ T5322] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.726746][ T5322] ? clear_bhb_loop+0x70/0xc0 [ 93.726762][ T5322] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.726775][ T5322] RIP: 0033:0x7f20fd19e159 [ 93.726788][ T5322] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 93.726799][ T5322] RSP: 002b:00007f20fe0b8fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd [ 93.726815][ T5322] RAX: ffffffffffffffda RBX: 00007f20fd425fa0 RCX: 00007f20fd19e159 [ 93.726824][ T5322] RDX: 0000200000000340 RSI: 00002000000001c0 RDI: 0000000000000000 [ 93.726833][ T5322] RBP: 00007f20fd235024 R08: 0000000000000002 R09: 0000000000000000 [ 93.726842][ T5322] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 [ 93.726850][ T5322] R13: 00007f20fd426038 R14: 00007f20fd425fa0 R15: 00007ffe00e757e8 [ 93.726870][ T5322] [ 93.727022][ T45] FAULT_INJECTION: forcing a failure. [ 93.727022][ T45] name failslab, interval 1, probability 100, space 0, times 1 [ 93.727059][ T45] CPU: 0 UID: 0 PID: 45 Comm: kworker/u4:4 Not tainted syzkaller #0 PREEMPT(full) [ 93.727089][ T45] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 93.727098][ T45] Workqueue: ipv6_addrconf addrconf_dad_work [ 93.727117][ T45] Call Trace: [ 93.727122][ T45] [ 93.727127][ T45] dump_stack_lvl+0xe8/0x150 [ 93.727148][ T45] should_fail_ex+0x410/0x560 [ 93.727168][ T45] ? __alloc_skb+0x1db/0x7a0 [ 93.727185][ T45] should_failslab+0xa8/0x100 [ 93.727199][ T45] ? __alloc_skb+0x1db/0x7a0 [ 93.727214][ T45] kmem_cache_alloc_node_noprof+0xa1/0x610 [ 93.727230][ T45] ? __alloc_skb+0x18d/0x7a0 [ 93.727247][ T45] ? __alloc_skb+0x1db/0x7a0 [ 93.727268][ T45] __alloc_skb+0x1db/0x7a0 [ 93.727287][ T45] ndisc_alloc_skb+0xa0/0x480 [ 93.727303][ T45] ndisc_ns_create+0x21c/0x650 [ 93.727326][ T45] ? __pfx_ndisc_ns_create+0x10/0x10 [ 93.727341][ T45] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 93.727359][ T45] ? __mod_timer+0xb53/0xed0 [ 93.727377][ T45] ndisc_send_ns+0xba/0x160 [ 93.727393][ T45] ? __pfx_ndisc_send_ns+0x10/0x10 [ 93.727406][ T45] ? addrconf_dad_work+0x9d4/0x15c0 [ 93.727424][ T45] ? __local_bh_enable_ip+0xd6/0x140 [ 93.727443][ T45] addrconf_dad_work+0xa8d/0x15c0 [ 93.727466][ T45] ? __pfx_addrconf_dad_work+0x10/0x10 [ 93.727488][ T45] ? rcu_is_watching+0x16/0xb0 [ 93.727504][ T45] ? process_scheduled_works+0x97a/0x1630 [ 93.727521][ T45] process_scheduled_works+0xc3d/0x1630 [ 93.727558][ T45] ? __pfx_process_scheduled_works+0x10/0x10 [ 93.727578][ T45] ? assign_work+0x3cf/0x5d0 [ 93.727596][ T45] worker_thread+0xa47/0xfb0 [ 93.727622][ T45] ? __kthread_parkme+0x71/0x1f0 [ 93.727646][ T45] kthread+0x38b/0x480 [ 93.727658][ T45] ? __pfx_worker_thread+0x10/0x10 [ 93.727691][ T45] ? __pfx_kthread+0x10/0x10 [ 93.727705][ T45] ret_from_fork+0x514/0xb70 [ 93.727720][ T45] ? __pfx_ret_from_fork+0x10/0x10 [ 93.727733][ T45] ? __switch_to+0xc89/0x1420 [ 93.727752][ T45] ? __pfx_kthread+0x10/0x10 [ 93.727765][ T45] ret_from_fork_asm+0x1a/0x30 [ 93.727794][ T45] [ 93.727918][ T9] FAULT_INJECTION: forcing a failure. [ 93.727918][ T9] name failslab, interval 1, probability 100, space 0, times 1 [ 93.727952][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) [ 93.727982][ T9] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 93.727990][ T9] Workqueue: events drm_fb_helper_damage_work [ 93.728026][ T9] Call Trace: [ 93.728031][ T9] [ 93.728036][ T9] dump_stack_lvl+0xe8/0x150 [ 93.728054][ T9] should_fail_ex+0x410/0x560 [ 93.728073][ T9] should_failslab+0xa8/0x100 [ 93.728087][ T9] __kmalloc_cache_noprof+0xa3/0x600 [ 93.728104][ T9] ? drm_atomic_commit_alloc+0xa9/0x100 [ 93.728116][ T9] ? drm_atomic_commit_alloc+0xa9/0x100 [ 93.728133][ T9] drm_atomic_commit_alloc+0xa9/0x100 [ 93.728147][ T9] drm_atomic_helper_dirtyfb+0x129/0xfd0 [ 93.728166][ T9] ? __lock_acquire+0x6df/0x2e50 [ 93.728181][ T9] ? __pfx_drm_atomic_helper_dirtyfb+0x10/0x10 [ 93.728208][ T9] ? do_raw_spin_lock+0x12b/0x2f0 [ 93.728233][ T9] drm_fbdev_shmem_helper_fb_dirty+0x160/0x310 [ 93.728254][ T9] drm_fb_helper_damage_work+0x84c/0xf20 [ 93.728277][ T9] ? __pfx_drm_fb_helper_damage_work+0x10/0x10 [ 93.728302][ T9] ? lock_acquire+0x115/0x350 [ 93.728320][ T9] ? rcu_is_watching+0x16/0xb0 [ 93.728340][ T9] ? process_scheduled_works+0x97a/0x1630 [ 93.728355][ T9] process_scheduled_works+0xc3d/0x1630 [ 93.728387][ T9] ? __pfx_process_scheduled_works+0x10/0x10 [ 93.728403][ T9] ? assign_work+0x3cf/0x5d0 [ 93.728420][ T9] worker_thread+0xa47/0xfb0 [ 93.728448][ T9] kthread+0x38b/0x480 [ 93.728460][ T9] ? __pfx_worker_thread+0x10/0x10 [ 93.728473][ T9] ? __pfx_kthread+0x10/0x10 [ 93.728485][ T9] ret_from_fork+0x514/0xb70 [ 93.728499][ T9] ? __pfx_ret_from_fork+0x10/0x10 [ 93.728512][ T9] ? __switch_to+0xc89/0x1420 [ 93.728528][ T9] ? __pfx_kthread+0x10/0x10 [ 93.728541][ T9] ret_from_fork_asm+0x1a/0x30 [ 93.728568][ T9] [ 93.728987][ T5303] FAULT_INJECTION: forcing a failure. [ 93.728987][ T5303] name failslab, interval 1, probability 100, space 0, times 1 [ 93.730694][ T9] ------------[ cut here ]------------ [ 93.730722][ T9] virtio-pci 0000:00:01.0: [drm] Dirty helper failed: ret=-12 [ 93.730748][ T9] WARNING: drivers/gpu/drm/drm_fbdev_shmem.c:118 at drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310, CPU#0: kworker/0:0/9 [ 94.019355][ T9] Modules linked in: [ 94.021014][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) [ 94.024902][ T9] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 94.029046][ T9] Workqueue: events drm_fb_helper_damage_work [ 94.031497][ T9] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310 [ 94.034253][ T9] Code: 29 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 3a 28 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 [ 94.042311][ T9] RSP: 0018:ffffc9000022f898 EFLAGS: 00010246 [ 94.045566][ T9] RAX: 1ffff11003ed941a RBX: 00000000fffffff4 RCX: 00000000fffffff4 [ 94.048693][ T9] RDX: ffff88801f2ef0a0 RSI: ffffffff8c79ae40 RDI: ffffffff908618a0 [ 94.051803][ T9] RBP: ffff88801d298008 R08: 0000000000000dc0 R09: 00000000ffffffff [ 94.054755][ T9] R10: dffffc0000000000 R11: fffffbfff1dd6087 R12: ffff88801f2ef0a0 [ 94.057609][ T9] R13: dffffc0000000000 R14: ffffffff8c79ae40 R15: ffff88801f6ca0d0 [ 94.060994][ T9] FS: 0000000000000000(0000) GS:ffff88808c2cd000(0000) knlGS:0000000000000000 [ 94.064823][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.067525][ T9] CR2: 00007f20fd41e288 CR3: 0000000043180000 CR4: 0000000000352ef0 [ 94.070959][ T9] Call Trace: [ 94.072494][ T9] [ 94.073774][ T9] drm_fb_helper_damage_work+0x84c/0xf20 [ 94.076255][ T9] ? __pfx_drm_fb_helper_damage_work+0x10/0x10 [ 94.079153][ T9] ? lock_acquire+0x115/0x350 [ 94.081259][ T9] ? rcu_is_watching+0x16/0xb0 [ 94.083382][ T9] ? process_scheduled_works+0x97a/0x1630 [ 94.086804][ T9] process_scheduled_works+0xc3d/0x1630 [ 94.089361][ T9] ? __pfx_process_scheduled_works+0x10/0x10 [ 94.091876][ T9] ? assign_work+0x3cf/0x5d0 [ 94.094273][ T9] worker_thread+0xa47/0xfb0 [ 94.096711][ T9] kthread+0x38b/0x480 [ 94.099025][ T9] ? __pfx_worker_thread+0x10/0x10 [ 94.101457][ T9] ? __pfx_kthread+0x10/0x10 [ 94.103702][ T9] ret_from_fork+0x514/0xb70 [ 94.106087][ T9] ? __pfx_ret_from_fork+0x10/0x10 [ 94.108912][ T9] ? __switch_to+0xc89/0x1420 [ 94.110955][ T9] ? __pfx_kthread+0x10/0x10 [ 94.113255][ T9] ret_from_fork_asm+0x1a/0x30 [ 94.115819][ T9] [ 94.117139][ T9] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 94.120127][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) [ 94.124687][ T9] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 94.129013][ T9] Workqueue: events drm_fb_helper_damage_work [ 94.131703][ T9] Call Trace: [ 94.133172][ T9] [ 94.134469][ T9] vpanic+0x56d/0xa60 [ 94.136178][ T9] ? __pfx__printk+0x10/0x10 [ 94.138103][ T9] ? __pfx_vpanic+0x10/0x10 [ 94.140012][ T9] ? is_bpf_text_address+0x292/0x2b0 [ 94.142256][ T9] ? is_bpf_text_address+0x26/0x2b0 [ 94.144417][ T9] panic+0xc5/0xd0 [ 94.146026][ T9] ? __pfx_panic+0x10/0x10 [ 94.147968][ T9] ? ret_from_fork_asm+0x1a/0x30 [ 94.150058][ T9] __warn+0x315/0x4c0 [ 94.151762][ T9] ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310 [ 94.154379][ T9] ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310 [ 94.157003][ T9] __report_bug+0x276/0x570 [ 94.158983][ T9] ? drm_modeset_acquire_fini+0x27/0x180 [ 94.161384][ T9] ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310 [ 94.164021][ T9] ? __pfx___report_bug+0x10/0x10 [ 94.166129][ T9] ? drm_atomic_helper_dirtyfb+0xf27/0xfd0 [ 94.168681][ T9] ? __pfx_drm_atomic_helper_dirtyfb+0x10/0x10 [ 94.171358][ T9] report_bug_entry+0x19b/0x290 [ 94.173400][ T9] ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310 [ 94.175898][ T9] ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310 [ 94.178463][ T9] handle_bug+0xce/0x200 [ 94.180162][ T9] exc_invalid_op+0x1a/0x50 [ 94.182126][ T9] asm_exc_invalid_op+0x1a/0x20 [ 94.184209][ T9] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310 [ 94.187017][ T9] Code: 29 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 3a 28 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 [ 94.194945][ T9] RSP: 0018:ffffc9000022f898 EFLAGS: 00010246 [ 94.197555][ T9] RAX: 1ffff11003ed941a RBX: 00000000fffffff4 RCX: 00000000fffffff4 [ 94.200787][ T9] RDX: ffff88801f2ef0a0 RSI: ffffffff8c79ae40 RDI: ffffffff908618a0 [ 94.203823][ T9] RBP: ffff88801d298008 R08: 0000000000000dc0 R09: 00000000ffffffff [ 94.206940][ T9] R10: dffffc0000000000 R11: fffffbfff1dd6087 R12: ffff88801f2ef0a0 [ 94.209958][ T9] R13: dffffc0000000000 R14: ffffffff8c79ae40 R15: ffff88801f6ca0d0 [ 94.213108][ T9] ? drm_fbdev_shmem_helper_fb_dirty+0x260/0x310 [ 94.215761][ T9] drm_fb_helper_damage_work+0x84c/0xf20 [ 94.218110][ T9] ? __pfx_drm_fb_helper_damage_work+0x10/0x10 [ 94.220767][ T9] ? lock_acquire+0x115/0x350 [ 94.222928][ T9] ? rcu_is_watching+0x16/0xb0 [ 94.225036][ T9] ? process_scheduled_works+0x97a/0x1630 [ 94.227460][ T9] process_scheduled_works+0xc3d/0x1630 [ 94.229635][ T9] ? __pfx_process_scheduled_works+0x10/0x10 [ 94.232145][ T9] ? assign_work+0x3cf/0x5d0 [ 94.234083][ T9] worker_thread+0xa47/0xfb0 [ 94.236108][ T9] kthread+0x38b/0x480 [ 94.237772][ T9] ? __pfx_worker_thread+0x10/0x10 [ 94.240044][ T9] ? __pfx_kthread+0x10/0x10 [ 94.241997][ T9] ret_from_fork+0x514/0xb70 [ 94.243936][ T9] ? __pfx_ret_from_fork+0x10/0x10 [ 94.245970][ T9] ? __switch_to+0xc89/0x1420 [ 94.247896][ T9] ? __pfx_kthread+0x10/0x10 [ 94.249722][ T9] ret_from_fork_asm+0x1a/0x30 [ 94.251916][ T9] [ 94.253517][ T9] Kernel Offset: disabled [ 94.255156][ T9] Rebooting in 86400 seconds..