program:
perf_event_open(&(0x7f0000000500)={0x2, 0x80, 0x19, 0xa, 0x0, 0x0, 0x0, 0x8000, 0x40, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x107b77, 0x2, @perf_config_ext={0x1, 0x5}, 0x12307, 0xc, 0xfffffbff, 0x3, 0x2, 0xfffffffd, 0x3, 0x0, 0x0, 0x0, 0xfffffffffffffffa}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa)
syz_mount_image$ocfs2(&(0x7f00000000c0), &(0x7f0000000100)='./file1\x00', 0x88c0, &(0x7f0000000000)=ANY=[@ANYBLOB='acl,heartbeat=none,dir_resv_level=00000000000000000003,resv_level=000000006,coherency=full,localflocks,coherency=full,noacl,\x00'/136, @ANYRESOCT], 0x1, 0x4435, &(0x7f000000cd80)="$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[  102.880882][    C0]  handle_softirqs+0x226/0x860
[  102.880900][    C0]  ? __irq_exit_rcu+0xcb/0x220
[  102.880918][    C0]  __irq_exit_rcu+0xcb/0x220
[  102.880932][    C0]  irq_exit_rcu+0x9/0x30
[  102.880946][    C0]  sysvec_apic_timer_interrupt+0xa6/0xc0
[  102.880965][    C0]  </IRQ>
[  102.880970][    C0]  <TASK>
[  102.880975][    C0]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  102.880989][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80
[  102.881008][    C0] Code: f7 e8 4d cf b6 f5 f7 c3 00 02 00 00 74 05 e8 50 2f e3 f5 9c 58 a9 00 02 00 00 75 29 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 84 cc a7 f5 65 48 8b 05 0c 80 a9 08 48 85 c0 74 18 5b 41 5e e9
[  102.881016][    C0] RSP: 0018:ffffc9000029fca8 EFLAGS: 00000206
[  102.881030][    C0] RAX: 0000000000000006 RBX: 0000000000000206 RCX: 8000000000000001
[  102.881038][    C0] RDX: 0000000000000000 RSI: ffffffff8e46b4fe RDI: 0000000000000001
[  102.881045][    C0] RBP: ffffc9000029fe18 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  102.881053][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: 0000000000000002
[  102.881062][    C0] R13: ffff88801c768000 R14: ffffffff9bd571e0 R15: dffffc0000000000
[  102.881080][    C0]  nbcon_kthread_func+0x6c4/0x880
[  102.881100][    C0]  ? nbcon_kthread_func+0x163/0x880
[  102.881113][    C0]  ? __pfx_nbcon_kthread_func+0x10/0x10
[  102.881131][    C0]  ? __kthread_parkme+0x71/0x1f0
[  102.881149][    C0]  ? __kthread_parkme+0x199/0x1f0
[  102.881170][    C0]  kthread+0x38b/0x480
[  102.881183][    C0]  ? __pfx_nbcon_kthread_func+0x10/0x10
[  102.881193][    C0]  ? __pfx_kthread+0x10/0x10
[  102.881206][    C0]  ret_from_fork+0x514/0xb70
[  102.881220][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  102.881232][    C0]  ? __switch_to+0xc89/0x1420
[  102.881250][    C0]  ? __pfx_kthread+0x10/0x10
[  102.881263][    C0]  ret_from_fork_asm+0x1a/0x30
[  102.881284][    C0]  </TASK>
[  102.929061][  T111] FAULT_INJECTION: forcing a failure.
[  102.929061][  T111] name failslab, interval 1, probability 5, space 0, times 9969
[  102.929085][  T111] CPU: 0 UID: 0 PID: 111 Comm: kworker/0:2 Not tainted syzkaller #0 PREEMPT(full) 
[  102.929097][  T111] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  102.929105][  T111] Workqueue: mld mld_dad_work
[  102.929127][  T111] Call Trace:
[  102.929132][  T111]  <TASK>
[  102.929138][  T111]  dump_stack_lvl+0xe8/0x150
[  102.929157][  T111]  should_fail_ex+0x410/0x560
[  102.929174][  T111]  ? __alloc_skb+0x1db/0x7a0
[  102.929188][  T111]  should_failslab+0xa8/0x100
[  102.929204][  T111]  ? __alloc_skb+0x1db/0x7a0
[  102.929216][  T111]  kmem_cache_alloc_node_noprof+0xa1/0x610
[  102.929234][  T111]  ? __alloc_skb+0x18d/0x7a0
[  102.929274][  T111]  ? __alloc_skb+0x1db/0x7a0
[  102.929293][  T111]  __alloc_skb+0x1db/0x7a0
[  102.929310][  T111]  mld_newpack+0x165/0xcb0
[  102.929333][  T111]  ? __pfx_mld_newpack+0x10/0x10
[  102.929349][  T111]  ? trace_contention_end+0x3d/0x140
[  102.929365][  T111]  ? __mutex_lock+0x30b/0x1550
[  102.929383][  T111]  add_grec+0x119f/0x19d0
[  102.929402][  T111]  ? __pfx___mutex_lock+0x10/0x10
[  102.929423][  T111]  mld_send_initial_cr+0x288/0x550
[  102.929441][  T111]  mld_dad_work+0x3d/0x480
[  102.929456][  T111]  ? process_scheduled_works+0x97a/0x1630
[  102.929471][  T111]  process_scheduled_works+0xc3d/0x1630
[  102.929505][  T111]  ? __pfx_process_scheduled_works+0x10/0x10
[  102.929523][  T111]  ? assign_work+0x3cf/0x5d0
[  102.929542][  T111]  worker_thread+0xa47/0xfb0
[  102.929575][  T111]  kthread+0x38b/0x480
[  102.929587][  T111]  ? __pfx_worker_thread+0x10/0x10
[  102.929601][  T111]  ? __pfx_kthread+0x10/0x10
[  102.929613][  T111]  ret_from_fork+0x514/0xb70
[  102.929627][  T111]  ? __pfx_ret_from_fork+0x10/0x10
[  102.929637][  T111]  ? __switch_to+0xc89/0x1420
[  102.929655][  T111]  ? __pfx_kthread+0x10/0x10
[  102.929667][  T111]  ret_from_fork_asm+0x1a/0x30
[  102.929689][  T111]  </TASK>
[  102.930919][  T111] FAULT_INJECTION: forcing a failure.
[  102.930919][  T111] name failslab, interval 1, probability 5, space 0, times 9968
[  102.930938][  T111] CPU: 0 UID: 0 PID: 111 Comm: kworker/0:2 Not tainted syzkaller #0 PREEMPT(full) 
[  102.930950][  T111] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  102.930956][  T111] Workqueue: mld mld_dad_work
[  102.930974][  T111] Call Trace:
[  102.930978][  T111]  <TASK>
[  102.930984][  T111]  dump_stack_lvl+0xe8/0x150
[  102.931003][  T111]  should_fail_ex+0x410/0x560
[  102.931020][  T111]  should_failslab+0xa8/0x100
[  102.931034][  T111]  ? dst_alloc+0x105/0x170
[  102.931046][  T111]  kmem_cache_alloc_noprof+0xa1/0x600
[  102.931064][  T111]  ? in6_dev_get+0x366/0x420
[  102.931080][  T111]  ? dst_alloc+0x105/0x170
[  102.931091][  T111]  ? __pfx_in6_dev_get+0x10/0x10
[  102.931106][  T111]  ? __pfx_ip6_dst_gc+0x10/0x10
[  102.931121][  T111]  dst_alloc+0x105/0x170
[  102.931137][  T111]  icmp6_dst_alloc+0x72/0x430
[  102.931161][  T111]  mld_sendpack+0x697/0xe10
[  102.931186][  T111]  ? mld_sendpack+0x206/0xe10
[  102.931202][  T111]  ? __pfx_mld_sendpack+0x10/0x10
[  102.931227][  T111]  ? mld_send_initial_cr+0x352/0x550
[  102.931244][  T111]  mld_dad_work+0x3d/0x480
[  102.931258][  T111]  ? process_scheduled_works+0x97a/0x1630
[  102.931274][  T111]  process_scheduled_works+0xc3d/0x1630
[  102.931307][  T111]  ? __pfx_process_scheduled_works+0x10/0x10
[  102.931325][  T111]  ? assign_work+0x3cf/0x5d0
[  102.931343][  T111]  worker_thread+0xa47/0xfb0
[  102.931375][  T111]  kthread+0x38b/0x480
[  102.931387][  T111]  ? __pfx_worker_thread+0x10/0x10
[  102.931402][  T111]  ? __pfx_kthread+0x10/0x10
[  102.931413][  T111]  ret_from_fork+0x514/0xb70
[  102.931427][  T111]  ? __pfx_ret_from_fork+0x10/0x10
[  102.931438][  T111]  ? __switch_to+0xc89/0x1420
[  102.931457][  T111]  ? __pfx_kthread+0x10/0x10
[  102.931469][  T111]  ret_from_fork_asm+0x1a/0x30
[  102.931490][  T111]  </TASK>
[  102.954360][   T37] FAULT_INJECTION: forcing a failure.
[  102.954360][   T37] name failslab, interval 1, probability 5, space 0, times 9967
[  102.954382][   T37] CPU: 0 UID: 0 PID: 37 Comm: kworker/u4:2 Not tainted syzkaller #0 PREEMPT(full) 
[  102.954393][   T37] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  102.954400][   T37] Workqueue: events_unbound nsim_dev_trap_report_work
[  102.954423][   T37] Call Trace:
[  102.954428][   T37]  <TASK>
[  102.954435][   T37]  dump_stack_lvl+0xe8/0x150
[  102.954478][   T37]  should_fail_ex+0x410/0x560
[  102.954494][   T37]  ? __alloc_skb+0x1db/0x7a0
[  102.954508][   T37]  should_failslab+0xa8/0x100
[  102.954523][   T37]  ? __alloc_skb+0x1db/0x7a0
[  102.954535][   T37]  kmem_cache_alloc_node_noprof+0xa1/0x610
[  102.954551][   T37]  ? __alloc_skb+0x18d/0x7a0
[  102.954565][   T37]  ? __alloc_skb+0x1db/0x7a0
[  102.954583][   T37]  __alloc_skb+0x1db/0x7a0
[  102.954600][   T37]  nsim_dev_trap_report_work+0x25f/0xb40
[  102.954626][   T37]  ? process_scheduled_works+0x97a/0x1630
[  102.954642][   T37]  process_scheduled_works+0xc3d/0x1630
[  102.954674][   T37]  ? __pfx_process_scheduled_works+0x10/0x10
[  102.954692][   T37]  ? assign_work+0x3cf/0x5d0
[  102.954712][   T37]  worker_thread+0xa47/0xfb0
[  102.954745][   T37]  kthread+0x38b/0x480
[  102.954759][   T37]  ? __pfx_worker_thread+0x10/0x10
[  102.954772][   T37]  ? __pfx_kthread+0x10/0x10
[  102.954786][   T37]  ret_from_fork+0x514/0xb70
[  102.954801][   T37]  ? __pfx_ret_from_fork+0x10/0x10
[  102.954817][   T37]  ? __switch_to+0xc89/0x1420
[  102.954835][   T37]  ? __pfx_kthread+0x10/0x10
[  102.954848][   T37]  ret_from_fork_asm+0x1a/0x30
[  102.954870][   T37]  </TASK>
[  102.975876][ T4683] FAULT_INJECTION: forcing a failure.
[  102.975876][ T4683] name failslab, interval 1, probability 5, space 0, times 9965
[  102.975907][ T4683] CPU: 0 UID: 0 PID: 4683 Comm: klogd Not tainted syzkaller #0 PREEMPT(full) 
[  102.975918][ T4683] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  102.975925][ T4683] Call Trace:
[  102.975930][ T4683]  <TASK>
[  102.975936][ T4683]  dump_stack_lvl+0xe8/0x150
[  102.975958][ T4683]  should_fail_ex+0x410/0x560
[  102.975974][ T4683]  ? __alloc_skb+0x1db/0x7a0
[  102.975988][ T4683]  should_failslab+0xa8/0x100
[  102.976003][ T4683]  ? __alloc_skb+0x1db/0x7a0
[  102.976016][ T4683]  kmem_cache_alloc_node_noprof+0xa1/0x610
[  102.976033][ T4683]  ? __alloc_skb+0x18d/0x7a0
[  102.976046][ T4683]  ? __alloc_skb+0x1db/0x7a0
[  102.976063][ T4683]  __alloc_skb+0x1db/0x7a0
[  102.976078][ T4683]  alloc_skb_with_frags+0xc6/0x760
[  102.976097][ T4683]  ? unix_peer_perm+0xcef/0xe10
[  102.976114][ T4683]  sock_alloc_send_pskb+0x878/0x990
[  102.976135][ T4683]  ? __pfx_sock_alloc_send_pskb+0x10/0x10
[  102.976150][ T4683]  ? bpf_lsm_socket_getpeersec_dgram+0x9/0x20
[  102.976167][ T4683]  unix_dgram_sendmsg+0x4fe/0x1870
[  102.976214][ T4683]  ? __pfx_hook_unix_may_send+0x10/0x10
[  102.976228][ T4683]  ? mntput_no_expire+0x1c/0x1c0
[  102.976243][ T4683]  ? aa_unix_peer_perm+0x24f/0x2d0
[  102.976258][ T4683]  ? __pfx_unix_dgram_sendmsg+0x10/0x10
[  102.976274][ T4683]  ? aa_sock_msg_perm+0x129/0x210
[  102.976292][ T4683]  ? apparmor_socket_sendmsg+0x98/0x360
[  102.976335][ T4683]  ? __pfx_unix_dgram_sendmsg+0x10/0x10
[  102.976349][ T4683]  sock_sendmsg_nosec+0x13a/0x180
[  102.976363][ T4683]  __sys_sendto+0x408/0x5a0
[  102.976378][ T4683]  ? tomoyo_socket_connect_permission+0x189/0x270
[  102.976396][ T4683]  ? __pfx___sys_sendto+0x10/0x10
[  102.976418][ T4683]  ? __pfx___sys_connect+0x10/0x10
[  102.976445][ T4683]  __x64_sys_sendto+0xde/0x100
[  102.976461][ T4683]  do_syscall_64+0x166/0x520
[  102.976472][ T4683]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  102.976483][ T4683]  ? clear_bhb_loop+0x70/0xc0
[  102.976497][ T4683]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  102.976507][ T4683] RIP: 0033:0x7fb66adc7407
[  102.976520][ T4683] Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
[  102.976529][ T4683] RSP: 002b:00007fff815006b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[  102.976542][ T4683] RAX: ffffffffffffffda RBX: 00007fb66ac77c80 RCX: 00007fb66adc7407
[  102.976550][ T4683] RDX: 0000000000000073 RSI: 00007fff815007f0 RDI: 0000000000000003
[  102.976556][ T4683] RBP: 00007fff81500c20 R08: 0000000000000000 R09: 0000000000000000
[  102.976562][ T4683] R10: 0000000000004000 R11: 0000000000000202 R12: 00007fff81500c38
[  102.976568][ T4683] R13: 00007fff815007f0 R14: 0000000000000058 R15: 00007fff815007f0
[  102.976587][ T4683]  </TASK>
[  102.982919][    C0] FAULT_INJECTION: forcing a failure.
[  102.982919][    C0] name failslab, interval 1, probability 5, space 0, times 9965
[  102.982942][    C0] CPU: 0 UID: 0 PID: 16 Comm: pr/ttyS0 Not tainted syzkaller #0 PREEMPT(full) 
[  102.982953][    C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  102.982959][    C0] Call Trace:
[  102.982966][    C0]  <IRQ>
[  102.982972][    C0]  dump_stack_lvl+0xe8/0x150
[  102.982994][    C0]  should_fail_ex+0x410/0x560
[  102.983011][    C0]  ? __alloc_skb+0x1db/0x7a0
[  102.983026][    C0]  should_failslab+0xa8/0x100
[  102.983041][    C0]  ? __alloc_skb+0x1db/0x7a0
[  102.983055][    C0]  kmem_cache_alloc_node_noprof+0xa1/0x610
[  102.983075][    C0]  ? __alloc_skb+0x18d/0x7a0
[  102.983090][    C0]  ? __alloc_skb+0x1db/0x7a0
[  102.983107][    C0]  __alloc_skb+0x1db/0x7a0
[  102.983126][    C0]  __netdev_alloc_skb+0xc2/0x820
[  102.983142][    C0]  ? __ieee80211_beacon_get+0x36/0x1920
[  102.983161][    C0]  __ieee80211_beacon_get+0xcfd/0x1920
[  102.983178][    C0]  ? __ieee80211_beacon_get+0x36/0x1920
[  102.983194][    C0]  ? __lock_acquire+0x747/0x2de0
[  102.983214][    C0]  ieee80211_beacon_get_tim+0xbd/0x2c0
[  102.983232][    C0]  ? __pfx_ieee80211_beacon_get_tim+0x10/0x10
[  102.983256][    C0]  mac80211_hwsim_beacon_tx+0x378/0x820
[  102.983282][    C0]  __iterate_interfaces+0x2af/0x5a0
[  102.983299][    C0]  ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10
[  102.983317][    C0]  ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180
[  102.983334][    C0]  ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10
[  102.983351][    C0]  ieee80211_iterate_active_interfaces_atomic+0xdb/0x180
[  102.983366][    C0]  ? __pfx_mac80211_hwsim_beacon+0x10/0x10
[  102.983380][    C0]  mac80211_hwsim_beacon+0xaf/0x240
[  102.983394][    C0]  ? __pfx_mac80211_hwsim_beacon+0x10/0x10
[  102.983410][    C0]  __hrtimer_run_queues+0x3bc/0xa10
[  102.983436][    C0]  hrtimer_run_softirq+0x1e3/0x2e0
[  102.983450][    C0]  handle_softirqs+0x226/0x860
[  102.983467][    C0]  ? __irq_exit_rcu+0xcb/0x220
[  102.983486][    C0]  __irq_exit_rcu+0xcb/0x220
[  102.983500][    C0]  irq_exit_rcu+0x9/0x30
[  102.983513][    C0]  sysvec_apic_timer_interrupt+0xa6/0xc0
[  102.983532][    C0]  </IRQ>
[  102.983536][    C0]  <TASK>
[  102.983542][    C0]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  102.983556][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80
[  102.983574][    C0] Code: f7 e8 4d cf b6 f5 f7 c3 00 02 00 00 74 05 e8 50 2f e3 f5 9c 58 a9 00 02 00 00 75 29 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 84 cc a7 f5 65 48 8b 05 0c 80 a9 08 48 85 c0 74 18 5b 41 5e e9
[  102.983583][    C0] RSP: 0018:ffffc9000029fca8 EFLAGS: 00000206
[  102.983597][    C0] RAX: 0000000000000006 RBX: 0000000000000206 RCX: 8000000000000001
[  102.983604][    C0] RDX: 0000000000000000 RSI: ffffffff8e46b4fe RDI: 0000000000000001
[  102.983612][    C0] RBP: ffffc9000029fe18 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  102.983620][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: 0000000000000002
[  102.983628][    C0] R13: ffff88801c768000 R14: ffffffff9bd571e0 R15: dffffc0000000000
[  102.983649][    C0]  nbcon_kthread_func+0x6c4/0x880
[  102.983667][    C0]  ? nbcon_kthread_func+0x163/0x880
[  102.983680][    C0]  ? __pfx_nbcon_kthread_func+0x10/0x10
[  102.983699][    C0]  ? __kthread_parkme+0x71/0x1f0
[  102.983715][    C0]  ? __kthread_parkme+0x199/0x1f0
[  102.983735][    C0]  kthread+0x38b/0x480
[  102.983749][    C0]  ? __pfx_nbcon_kthread_func+0x10/0x10
[  102.983760][    C0]  ? __pfx_kthread+0x10/0x10
[  102.983773][    C0]  ret_from_fork+0x514/0xb70
[  102.983789][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  102.983800][    C0]  ? __switch_to+0xc89/0x1420
[  102.983819][    C0]  ? __pfx_kthread+0x10/0x10
[  102.983833][    C0]  ret_from_fork_asm+0x1a/0x30
[  102.983853][    C0]  </TASK>
[  102.984086][    C0] FAULT_INJECTION: forcing a failure.
[  102.984086][    C0] name failslab, interval 1, probability 5, space 0, times 9964
[  102.984107][    C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT(full) 
[  102.984119][    C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  102.984126][    C0] Call Trace:
[  102.984131][    C0]  <TASK>
[  102.984136][    C0]  dump_stack_lvl+0xe8/0x150
[  102.984155][    C0]  should_fail_ex+0x410/0x560
[  102.984172][    C0]  should_failslab+0xa8/0x100
[  102.984193][    C0]  __kmalloc_noprof+0xfe/0x720
[  102.984207][    C0]  ? cfg80211_inform_single_bss_data+0x990/0x1be0
[  102.984222][    C0]  ? cfg80211_inform_single_bss_data+0x990/0x1be0
[  102.984234][    C0]  cfg80211_inform_single_bss_data+0x990/0x1be0
[  102.984246][    C0]  ? __pfx_cfg80211_inform_single_bss_data+0x10/0x10
[  102.984262][    C0]  ? queue_work_on+0x117/0x1d0
[  102.984276][    C0]  ? cfg80211_inform_bss_data+0x24b/0x3cc0
[  102.984291][    C0]  cfg80211_inform_bss_data+0x263/0x3cc0
[  102.984335][    C0]  ? ieee80211_rx_handlers+0xc983/0xc9f0
[  102.984349][    C0]  ? __local_bh_enable_ip+0xd6/0x140
[  102.984363][    C0]  ? ieee80211_rx_handlers+0xc983/0xc9f0
[  102.984375][    C0]  ? __local_bh_enable_ip+0xd6/0x140
[  102.984391][    C0]  ? ieee80211_rx_handlers+0xc983/0xc9f0
[  102.984412][    C0]  ? __pfx_cfg80211_inform_bss_data+0x10/0x10
[  102.984431][    C0]  ? __pfx_ieee80211_rx_handlers+0x10/0x10
[  102.984443][    C0]  ? __lock_acquire+0x747/0x2de0
[  102.984461][    C0]  ? __lock_acquire+0x747/0x2de0
[  102.984488][    C0]  cfg80211_inform_bss_frame_data+0x3c7/0x840
[  102.984506][    C0]  ? ieee80211_bss_info_update+0x30f/0xa50
[  102.984521][    C0]  ieee80211_bss_info_update+0x791/0xa50
[  102.984538][    C0]  ? __pfx_ieee80211_bss_info_update+0x10/0x10
[  102.984555][    C0]  ? kcov_remote_start+0x9c/0x7e0
[  102.984570][    C0]  ? ieee80211_get_channel_khz+0x15b/0x8a0
[  102.984585][    C0]  ieee80211_scan_rx+0x552/0xa40
[  102.984600][    C0]  ieee80211_rx_list+0x2d0e/0x3b00
[  102.984626][    C0]  ? __pfx_ieee80211_rx_list+0x10/0x10
[  102.984649][    C0]  ? lock_acquire+0x115/0x350
[  102.984668][    C0]  ? do_raw_spin_lock+0x12b/0x2f0
[  102.984684][    C0]  ? ieee80211_rx_napi+0xd1/0x3d0
[  102.984692][    C0]  ieee80211_rx_napi+0x1ad/0x3d0
[  102.984706][    C0]  ? __pfx_ieee80211_rx_napi+0x10/0x10
[  102.984743][    C0]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  102.984761][    C0]  ? skb_dequeue+0x124/0x160
[  102.984778][    C0]  ieee80211_handle_queued_frames+0xe4/0x1d0
[  102.984802][    C0]  tasklet_action_common+0x2d7/0x490
[  102.984823][    C0]  handle_softirqs+0x226/0x860
[  102.984839][    C0]  ? schedule+0x90/0x2b0
[  102.984854][    C0]  ? run_ksoftirqd+0x36/0x60
[  102.984875][    C0]  ? smpboot_thread_fn+0x4e/0xa70
[  102.984896][    C0]  run_ksoftirqd+0x36/0x60
[  102.984912][    C0]  smpboot_thread_fn+0x565/0xa70
[  102.984928][    C0]  ? smpboot_thread_fn+0x4e/0xa70
[  102.984948][    C0]  kthread+0x38b/0x480
[  102.984959][    C0]  ? __pfx_smpboot_thread_fn+0x10/0x10
[  102.984974][    C0]  ? __pfx_kthread+0x10/0x10
[  102.984987][    C0]  ret_from_fork+0x514/0xb70
[  102.985001][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  102.985011][    C0]  ? __switch_to+0xc89/0x1420
[  102.985029][    C0]  ? __pfx_kthread+0x10/0x10
[  102.985042][    C0]  ret_from_fork_asm+0x1a/0x30
[  102.985061][    C0]  </TASK>
[  103.006395][    T9] FAULT_INJECTION: forcing a failure.
[  103.006395][    T9] name failslab, interval 1, probability 5, space 0, times 9963
[  103.006426][    T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) 
[  103.006437][    T9] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  103.006444][    T9] Workqueue: events drm_fb_helper_damage_work
[  103.006465][    T9] Call Trace:
[  103.006470][    T9]  <TASK>
[  103.006476][    T9]  dump_stack_lvl+0xe8/0x150
[  103.006495][    T9]  should_fail_ex+0x410/0x560
[  103.006510][    T9]  should_failslab+0xa8/0x100
[  103.006521][    T9]  __kmalloc_noprof+0xfe/0x720
[  103.006532][    T9]  ? __kmalloc_noprof+0x1ab/0x720
[  103.006538][    T9]  ? drm_atomic_commit_init+0x10f/0x370
[  103.006548][    T9]  ? drm_atomic_commit_init+0x10f/0x370
[  103.006559][    T9]  drm_atomic_commit_init+0x10f/0x370
[  103.006579][    T9]  drm_atomic_commit_alloc+0xbc/0x100
[  103.006594][    T9]  drm_atomic_helper_dirtyfb+0x129/0xfd0
[  103.006610][    T9]  ? __lock_acquire+0x747/0x2de0
[  103.006628][    T9]  ? __pfx_drm_atomic_helper_dirtyfb+0x10/0x10
[  103.006652][    T9]  ? do_raw_spin_lock+0x12b/0x2f0
[  103.006669][    T9]  drm_fbdev_shmem_helper_fb_dirty+0x160/0x310
[  103.006679][    T9]  drm_fb_helper_damage_work+0x84c/0xf20
[  103.006692][    T9]  ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[  103.006713][    T9]  ? lock_acquire+0x115/0x350
[  103.006729][    T9]  ? rcu_is_watching+0x16/0xb0
[  103.006746][    T9]  ? process_scheduled_works+0x97a/0x1630
[  103.006762][    T9]  process_scheduled_works+0xc3d/0x1630
[  103.006793][    T9]  ? __pfx_process_scheduled_works+0x10/0x10
[  103.006805][    T9]  ? assign_work+0x3cf/0x5d0
[  103.006817][    T9]  worker_thread+0xa47/0xfb0
[  103.006845][    T9]  kthread+0x38b/0x480
[  103.006858][    T9]  ? __pfx_worker_thread+0x10/0x10
[  103.006871][    T9]  ? __pfx_kthread+0x10/0x10
[  103.006882][    T9]  ret_from_fork+0x514/0xb70
[  103.006896][    T9]  ? __pfx_ret_from_fork+0x10/0x10
[  103.006907][    T9]  ? __switch_to+0xc89/0x1420
[  103.006925][    T9]  ? __pfx_kthread+0x10/0x10
[  103.006937][    T9]  ret_from_fork_asm+0x1a/0x30
[  103.006959][    T9]  </TASK>
[  103.074217][    T9] ------------[ cut here ]------------
[  103.074228][    T9] virtio-pci 0000:00:01.0: [drm] Dirty helper failed: ret=-12
[  103.074237][    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
[  103.087280][    C0] FAULT_INJECTION: forcing a failure.
[  103.087280][    C0] name failslab, interval 1, probability 5, space 0, times 9962
[  105.965220][    C0] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) 
[  105.969322][    C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  105.973739][    C0] Workqueue: events drm_fb_helper_damage_work
[  105.976254][    C0] Call Trace:
[  105.977673][    C0]  <IRQ>
[  105.978947][    C0]  dump_stack_lvl+0xe8/0x150
[  105.980953][    C0]  should_fail_ex+0x410/0x560
[  105.982976][    C0]  should_failslab+0xa8/0x100
[  105.984922][    C0]  __kmalloc_noprof+0xfe/0x720
[  105.987007][    C0]  ? cfg80211_inform_single_bss_data+0x990/0x1be0
[  105.989787][    C0]  ? cfg80211_inform_single_bss_data+0x990/0x1be0
[  105.992472][    C0]  cfg80211_inform_single_bss_data+0x990/0x1be0
[  105.994890][    C0]  ? __pfx_cfg80211_inform_single_bss_data+0x10/0x10
[  105.997443][    C0]  ? queue_work_on+0x117/0x1d0
[  105.999349][    C0]  ? cfg80211_inform_bss_data+0x24b/0x3cc0
[  106.001824][    C0]  cfg80211_inform_bss_data+0x263/0x3cc0
[  106.004253][    C0]  ? ieee80211_rx_handlers+0xc983/0xc9f0
[  106.006570][    C0]  ? __local_bh_enable_ip+0xd6/0x140
[  106.008819][    C0]  ? ieee80211_rx_handlers+0xc983/0xc9f0
[  106.011117][    C0]  ? __local_bh_enable_ip+0xd6/0x140
[  106.013312][    C0]  ? ieee80211_rx_handlers+0xc983/0xc9f0
[  106.015728][    C0]  ? __pfx_cfg80211_inform_bss_data+0x10/0x10
[  106.018315][    C0]  ? __pfx_ieee80211_rx_handlers+0x10/0x10
[  106.020697][    C0]  ? lock_acquire+0x115/0x350
[  106.022710][    C0]  ? __lock_acquire+0x747/0x2de0
[  106.024859][    C0]  cfg80211_inform_bss_frame_data+0x3c7/0x840
[  106.027345][    C0]  ? ieee80211_bss_info_update+0x30f/0xa50
[  106.029761][    C0]  ieee80211_bss_info_update+0x791/0xa50
[  106.031997][    C0]  ? __pfx_ieee80211_bss_info_update+0x10/0x10
[  106.034544][    C0]  ? kcov_remote_start+0x9c/0x7e0
[  106.036741][    C0]  ? ieee80211_get_channel_khz+0x15b/0x8a0
[  106.039094][    C0]  ieee80211_scan_rx+0x552/0xa40
[  106.041074][    C0]  ieee80211_rx_list+0x2d0e/0x3b00
[  106.043166][    C0]  ? __lock_acquire+0x747/0x2de0
[  106.045253][    C0]  ? __pfx_ieee80211_rx_list+0x10/0x10
[  106.047522][    C0]  ? lock_acquire+0x115/0x350
[  106.049562][    C0]  ? do_raw_spin_lock+0x12b/0x2f0
[  106.051716][    C0]  ? ieee80211_rx_napi+0xd1/0x3d0
[  106.053888][    C0]  ieee80211_rx_napi+0x1ad/0x3d0
[  106.056115][    C0]  ? __pfx_ieee80211_rx_napi+0x10/0x10
[  106.058533][    C0]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  106.061047][    C0]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  106.063515][    C0]  ? skb_dequeue+0x124/0x160
[  106.065536][    C0]  ieee80211_handle_queued_frames+0xe4/0x1d0
[  106.068087][    C0]  tasklet_action_common+0x2d7/0x490
[  106.070364][    C0]  handle_softirqs+0x226/0x860
[  106.072409][    C0]  ? __irq_exit_rcu+0xcb/0x220
[  106.074417][    C0]  __irq_exit_rcu+0xcb/0x220
[  106.076392][    C0]  irq_exit_rcu+0x9/0x30
[  106.078147][    C0]  sysvec_apic_timer_interrupt+0xa6/0xc0
[  106.080604][    C0]  </IRQ>
[  106.081887][    C0]  <TASK>
[  106.083187][    C0]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  106.085745][    C0] RIP: 0010:__nbcon_atomic_flush_pending_con+0x261/0x370
[  106.088734][    C0] Code: 00 02 00 00 75 41 e8 2e d1 20 00 4d 85 ed 4c 8d 7c 24 40 75 0c e8 1f d1 20 00 45 84 e4 75 0d eb 3b e8 13 d1 20 00 fb 45 84 e4 <74> 30 f6 44 24 50 02 49 bc 00 00 00 00 00 fc ff df 74 34 e8 f7 d0
[  106.096872][    C0] RSP: 0018:ffffc9000022f220 EFLAGS: 00000202
[  106.099454][    C0] RAX: ffffffff81a74f3d RBX: 0000000000000de2 RCX: ffff88801c72cb00
[  106.102452][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  106.105768][    C0] RBP: ffffc9000022f310 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  106.109219][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: dffffc0000000001
[  106.112589][    C0] R13: 0000000000000200 R14: ffffffff906946c8 R15: ffffc9000022f260
[  106.115909][    C0]  ? __nbcon_atomic_flush_pending_con+0x25d/0x370
[  106.118579][    C0]  ? __pfx___nbcon_atomic_flush_pending_con+0x10/0x10
[  106.121452][    C0]  __nbcon_atomic_flush_pending+0x23c/0x440
[  106.123957][    C0]  ? __pfx___nbcon_atomic_flush_pending+0x10/0x10
[  106.126781][    C0]  ? panic_on_this_cpu+0x32/0x40
[  106.128954][    C0]  vprintk_emit+0x1a6/0x560
[  106.130903][    C0]  ? __pfx_vprintk_emit+0x10/0x10
[  106.133003][    C0]  ? lock_acquire+0x115/0x350
[  106.135362][    C0]  _printk+0xdd/0x130
[  106.137493][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  106.140308][    C0]  ? __pfx__printk+0x10/0x10
[  106.142174][    C0]  ? __wake_up_klogd+0xf0/0x130
[  106.144183][    C0]  ? vprintk_emit+0x4ee/0x560
[  106.146158][    C0]  __warn+0xff/0x4c0
[  106.147724][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  106.150285][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  106.152785][    C0]  __report_bug+0x276/0x570
[  106.154689][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  106.157227][    C0]  ? __pfx___report_bug+0x10/0x10
[  106.159367][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  106.161971][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  106.164607][    C0]  report_bug_entry+0x19b/0x290
[  106.166694][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  106.169366][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  106.171895][    C0]  handle_bug+0xce/0x200
[  106.173708][    C0]  exc_invalid_op+0x1a/0x50
[  106.175673][    C0]  asm_exc_invalid_op+0x1a/0x20
[  106.177840][    C0] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  106.180794][    C0] Code: 27 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 4a 1a 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
[  106.189002][    C0] RSP: 0018:ffffc9000022f898 EFLAGS: 00010246
[  106.191539][    C0] RAX: 1ffff1100004781a RBX: 00000000fffffff4 RCX: 00000000fffffff4
[  106.194887][    C0] RDX: ffff8880002066e0 RSI: ffffffff8c79f2a0 RDI: ffffffff91867590
[  106.198258][    C0] RBP: ffff888032372008 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  106.201737][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: ffff8880002066e0
[  106.205135][    C0] R13: dffffc0000000000 R14: ffffffff8c79f2a0 R15: ffff88800023c0d0
[  106.208369][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x260/0x310
[  106.211072][    C0]  drm_fb_helper_damage_work+0x84c/0xf20
[  106.213496][    C0]  ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[  106.216070][    C0]  ? lock_acquire+0x115/0x350
[  106.218118][    C0]  ? rcu_is_watching+0x16/0xb0
[  106.220154][    C0]  ? process_scheduled_works+0x97a/0x1630
[  106.222623][    C0]  process_scheduled_works+0xc3d/0x1630
[  106.225078][    C0]  ? __pfx_process_scheduled_works+0x10/0x10
[  106.227730][    C0]  ? assign_work+0x3cf/0x5d0
[  106.229778][    C0]  worker_thread+0xa47/0xfb0
[  106.231781][    C0]  kthread+0x38b/0x480
[  106.233578][    C0]  ? __pfx_worker_thread+0x10/0x10
[  106.235797][    C0]  ? __pfx_kthread+0x10/0x10
[  106.237820][    C0]  ret_from_fork+0x514/0xb70
[  106.239832][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  106.242094][    C0]  ? __switch_to+0xc89/0x1420
[  106.244098][    C0]  ? __pfx_kthread+0x10/0x10
[  106.246177][    C0]  ret_from_fork_asm+0x1a/0x30
[  106.248171][    C0]  </TASK>
[  106.249767][    T9] Modules linked in:
[  106.251487][    T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) 
[  106.257186][    C0] FAULT_INJECTION: forcing a failure.
[  106.257186][    C0] name failslab, interval 1, probability 5, space 0, times 9961
[  106.263042][    C0] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) 
[  106.266460][    C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  106.270680][    C0] Workqueue: events drm_fb_helper_damage_work
[  106.273360][    C0] Call Trace:
[  106.274839][    C0]  <IRQ>
[  106.276106][    C0]  dump_stack_lvl+0xe8/0x150
[  106.278096][    C0]  should_fail_ex+0x410/0x560
[  106.280080][    C0]  should_failslab+0xa8/0x100
[  106.282103][    C0]  __kmalloc_noprof+0xfe/0x720
[  106.284144][    C0]  ? __lock_acquire+0x747/0x2de0
[  106.286187][    C0]  ? ___neigh_create+0x6d2/0x22b0
[  106.288364][    C0]  ? ___neigh_create+0x6d2/0x22b0
[  106.290474][    C0]  ___neigh_create+0x6d2/0x22b0
[  106.292442][    C0]  ? __ipv6_neigh_lookup_noref+0x4e5/0x6c0
[  106.294886][    C0]  ip6_finish_output2+0xe0f/0x1460
[  106.297127][    C0]  ip6_finish_output+0x292/0x770
[  106.299177][    C0]  ? ip6_output+0x11e/0x540
[  106.301106][    C0]  ip6_output+0x337/0x540
[  106.302922][    C0]  ? __pfx_ip6_output+0x10/0x10
[  106.304895][    C0]  ndisc_send_skb+0xcb2/0x1650
[  106.306978][    C0]  ? ndisc_send_skb+0x203/0x1650
[  106.309052][    C0]  ? __pfx_ndisc_send_skb+0x10/0x10
[  106.311238][    C0]  ? __pfx_dst_output+0x10/0x10
[  106.313293][    C0]  addrconf_rs_timer+0x2d2/0x6c0
[  106.315422][    C0]  ? lock_acquire+0x115/0x350
[  106.317381][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  106.319655][    C0]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  106.321820][    C0]  call_timer_fn+0x18d/0x5f0
[  106.323723][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  106.326079][    C0]  ? call_timer_fn+0xd5/0x5f0
[  106.328072][    C0]  ? __pfx_call_timer_fn+0x10/0x10
[  106.330198][    C0]  ? _raw_spin_unlock_irq+0x23/0x50
[  106.332415][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  106.334719][    C0]  __run_timer_base+0x652/0x8b0
[  106.336839][    C0]  ? __pfx___run_timer_base+0x10/0x10
[  106.339099][    C0]  ? ktime_get+0x1f5/0x220
[  106.341145][    C0]  ? lapic_next_event+0x11/0x20
[  106.343275][    C0]  run_timer_softirq+0xb7/0x170
[  106.345379][    C0]  handle_softirqs+0x226/0x860
[  106.347259][    C0]  ? __irq_exit_rcu+0xcb/0x220
[  106.349350][    C0]  __irq_exit_rcu+0xcb/0x220
[  106.351300][    C0]  irq_exit_rcu+0x9/0x30
[  106.353163][    C0]  sysvec_apic_timer_interrupt+0xa6/0xc0
[  106.355619][    C0]  </IRQ>
[  106.356873][    C0]  <TASK>
[  106.358104][    C0]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  106.360711][    C0] RIP: 0010:__nbcon_atomic_flush_pending_con+0x261/0x370
[  106.363638][    C0] Code: 00 02 00 00 75 41 e8 2e d1 20 00 4d 85 ed 4c 8d 7c 24 40 75 0c e8 1f d1 20 00 45 84 e4 75 0d eb 3b e8 13 d1 20 00 fb 45 84 e4 <74> 30 f6 44 24 50 02 49 bc 00 00 00 00 00 fc ff df 74 34 e8 f7 d0
[  106.371454][    C0] RSP: 0018:ffffc9000022f1a0 EFLAGS: 00000202
[  106.373865][    C0] RAX: ffffffff81a74f3d RBX: 0000000000000e58 RCX: ffff88801c72cb00
[  106.377226][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  106.380452][    C0] RBP: ffffc9000022f290 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  106.383591][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: dffffc0000000001
[  106.386767][    C0] R13: 0000000000000200 R14: ffffffff906946c8 R15: ffffc9000022f1e0
[  106.389871][    C0]  ? __nbcon_atomic_flush_pending_con+0x25d/0x370
[  106.392767][    C0]  ? __pfx___nbcon_atomic_flush_pending_con+0x10/0x10
[  106.396156][    C0]  __nbcon_atomic_flush_pending+0x23c/0x440
[  106.398700][    C0]  ? __pfx___nbcon_atomic_flush_pending+0x10/0x10
[  106.401498][    C0]  ? panic_on_this_cpu+0x32/0x40
[  106.403586][    C0]  vprintk_emit+0x1a6/0x560
[  106.405468][    C0]  ? __pfx_vprintk_emit+0x10/0x10
[  106.407655][    C0]  ? seq_buf_puts+0x146/0x1a0
[  106.409688][    C0]  _printk+0xdd/0x130
[  106.411434][    C0]  ? __asan_memcpy+0x40/0x70
[  106.413371][    C0]  ? __pfx__printk+0x10/0x10
[  106.415406][    C0]  ? preempt_model_str+0x10a/0x200
[  106.417646][    C0]  ? __pfx_preempt_model_str+0x10/0x10
[  106.419907][    C0]  ? print_modules+0x1b1/0x290
[  106.421978][    C0]  dump_stack_print_info+0x11e/0x200
[  106.424172][    C0]  show_regs+0x14/0x60
[  106.425999][    C0]  __warn+0x181/0x4c0
[  106.427723][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  106.430387][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  106.433104][    C0]  __report_bug+0x276/0x570
[  106.435062][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  106.437752][    C0]  ? __pfx___report_bug+0x10/0x10
[  106.439895][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  106.442565][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  106.445209][    C0]  report_bug_entry+0x19b/0x290
[  106.447363][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  106.450081][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  106.452876][    C0]  handle_bug+0xce/0x200
[  106.454695][    C0]  exc_invalid_op+0x1a/0x50
[  106.456793][    C0]  asm_exc_invalid_op+0x1a/0x20
[  106.458859][    C0] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  106.461766][    C0] Code: 27 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 4a 1a 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
[  106.469841][    C0] RSP: 0018:ffffc9000022f898 EFLAGS: 00010246
[  106.472900][    C0] RAX: 1ffff1100004781a RBX: 00000000fffffff4 RCX: 00000000fffffff4
[  106.476741][    C0] RDX: ffff8880002066e0 RSI: ffffffff8c79f2a0 RDI: ffffffff91867590
[  106.479946][    C0] RBP: ffff888032372008 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  106.483333][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: ffff8880002066e0
[  106.486697][    C0] R13: dffffc0000000000 R14: ffffffff8c79f2a0 R15: ffff88800023c0d0
[  106.489869][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x260/0x310
[  106.492434][    C0]  drm_fb_helper_damage_work+0x84c/0xf20
[  106.494734][    C0]  ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[  106.497402][    C0]  ? lock_acquire+0x115/0x350
[  106.499402][    C0]  ? rcu_is_watching+0x16/0xb0
[  106.501522][    C0]  ? process_scheduled_works+0x97a/0x1630
[  106.503888][    C0]  process_scheduled_works+0xc3d/0x1630
[  106.506355][    C0]  ? __pfx_process_scheduled_works+0x10/0x10
[  106.508897][    C0]  ? assign_work+0x3cf/0x5d0
[  106.510876][    C0]  worker_thread+0xa47/0xfb0
[  106.512886][    C0]  kthread+0x38b/0x480
[  106.514575][    C0]  ? __pfx_worker_thread+0x10/0x10
[  106.516782][    C0]  ? __pfx_kthread+0x10/0x10
[  106.518764][    C0]  ret_from_fork+0x514/0xb70
[  106.520707][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  106.522882][    C0]  ? __switch_to+0xc89/0x1420
[  106.524934][    C0]  ? __pfx_kthread+0x10/0x10
[  106.526870][    C0]  ret_from_fork_asm+0x1a/0x30
[  106.528876][    C0]  </TASK>
[  106.531685][    C0] FAULT_INJECTION: forcing a failure.
[  106.531685][    C0] name failslab, interval 1, probability 5, space 0, times 9959
[  106.537736][    C0] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) 
[  106.541817][    C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  106.546090][    C0] Workqueue: events drm_fb_helper_damage_work
[  106.548577][    C0] Call Trace:
[  106.549924][    C0]  <IRQ>
[  106.551145][    C0]  dump_stack_lvl+0xe8/0x150
[  106.553062][    C0]  should_fail_ex+0x410/0x560
[  106.555013][    C0]  should_failslab+0xa8/0x100
[  106.557075][    C0]  __kmalloc_cache_noprof+0xa3/0x600
[  106.559318][    C0]  ? dst_cow_metrics_generic+0x56/0x1c0
[  106.561606][    C0]  ? dst_cow_metrics_generic+0x56/0x1c0
[  106.563881][    C0]  dst_cow_metrics_generic+0x56/0x1c0
[  106.566120][    C0]  icmp6_dst_alloc+0x265/0x430
[  106.567956][    C0]  ndisc_send_skb+0x42f/0x1650
[  106.569970][    C0]  ? ndisc_send_skb+0x203/0x1650
[  106.572169][    C0]  ? __pfx_ndisc_send_skb+0x10/0x10
[  106.574354][    C0]  ? ndisc_alloc_skb+0x1a6/0x480
[  106.576870][    C0]  ? ipv6_get_lladdr+0x378/0x3f0
[  106.579035][    C0]  ? ipv6_get_lladdr+0x2b/0x3f0
[  106.581030][    C0]  addrconf_rs_timer+0x2d2/0x6c0
[  106.583231][    C0]  ? lock_acquire+0x115/0x350
[  106.585349][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  106.587634][    C0]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  106.589853][    C0]  call_timer_fn+0x18d/0x5f0
[  106.591781][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  106.594074][    C0]  ? call_timer_fn+0xd5/0x5f0
[  106.596119][    C0]  ? __pfx_call_timer_fn+0x10/0x10
[  106.598370][    C0]  ? _raw_spin_unlock_irq+0x23/0x50
[  106.600534][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  106.602735][    C0]  __run_timer_base+0x652/0x8b0
[  106.604686][    C0]  ? __pfx___run_timer_base+0x10/0x10
[  106.606908][    C0]  ? ktime_get+0x1f5/0x220
[  106.608800][    C0]  ? lapic_next_event+0x11/0x20
[  106.610806][    C0]  run_timer_softirq+0xb7/0x170
[  106.612870][    C0]  handle_softirqs+0x226/0x860
[  106.614891][    C0]  ? __irq_exit_rcu+0xcb/0x220
[  106.616912][    C0]  __irq_exit_rcu+0xcb/0x220
[  106.618839][    C0]  irq_exit_rcu+0x9/0x30
[  106.620613][    C0]  sysvec_apic_timer_interrupt+0xa6/0xc0
[  106.622936][    C0]  </IRQ>
[  106.624158][    C0]  <TASK>
[  106.625424][    C0]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  106.627932][    C0] RIP: 0010:__nbcon_atomic_flush_pending_con+0x261/0x370
[  106.630805][    C0] Code: 00 02 00 00 75 41 e8 2e d1 20 00 4d 85 ed 4c 8d 7c 24 40 75 0c e8 1f d1 20 00 45 84 e4 75 0d eb 3b e8 13 d1 20 00 fb 45 84 e4 <74> 30 f6 44 24 50 02 49 bc 00 00 00 00 00 fc ff df 74 34 e8 f7 d0
[  106.638663][    C0] RSP: 0018:ffffc9000022f1a0 EFLAGS: 00000202
[  106.641147][    C0] RAX: ffffffff81a74f3d RBX: 0000000000000e58 RCX: ffff88801c72cb00
[  106.644415][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  106.647678][    C0] RBP: ffffc9000022f290 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  106.650934][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: dffffc0000000001
[  106.654257][    C0] R13: 0000000000000200 R14: ffffffff906946c8 R15: ffffc9000022f1e0
[  106.657503][    C0]  ? __nbcon_atomic_flush_pending_con+0x25d/0x370
[  106.660113][    C0]  ? __pfx___nbcon_atomic_flush_pending_con+0x10/0x10
[  106.662923][    C0]  __nbcon_atomic_flush_pending+0x23c/0x440
[  106.665399][    C0]  ? __pfx___nbcon_atomic_flush_pending+0x10/0x10
[  106.668064][    C0]  ? panic_on_this_cpu+0x32/0x40
[  106.670141][    C0]  vprintk_emit+0x1a6/0x560
[  106.672108][    C0]  ? __pfx_vprintk_emit+0x10/0x10
[  106.674207][    C0]  ? seq_buf_puts+0x146/0x1a0
[  106.676213][    C0]  _printk+0xdd/0x130
[  106.677925][    C0]  ? __asan_memcpy+0x40/0x70
[  106.679890][    C0]  ? __pfx__printk+0x10/0x10
[  106.681848][    C0]  ? preempt_model_str+0x10a/0x200
[  106.684057][    C0]  ? __pfx_preempt_model_str+0x10/0x10
[  106.686381][    C0]  ? print_modules+0x1b1/0x290
[  106.688430][    C0]  dump_stack_print_info+0x11e/0x200
[  106.690637][    C0]  show_regs+0x14/0x60
[  106.692348][    C0]  __warn+0x181/0x4c0
[  106.694052][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  106.696710][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  106.699391][    C0]  __report_bug+0x276/0x570
[  106.701351][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  106.704001][    C0]  ? __pfx___report_bug+0x10/0x10
[  106.706144][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  106.708798][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  106.711519][    C0]  report_bug_entry+0x19b/0x290
[  106.713563][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  106.716022][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  106.718336][    C0]  handle_bug+0xce/0x200
[  106.719835][    C0]  exc_invalid_op+0x1a/0x50
[  106.721683][    C0]  asm_exc_invalid_op+0x1a/0x20
[  106.723697][    C0] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  106.726565][    C0] Code: 27 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 4a 1a 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
[  106.734345][    C0] RSP: 0018:ffffc9000022f898 EFLAGS: 00010246
[  106.736998][    C0] RAX: 1ffff1100004781a RBX: 00000000fffffff4 RCX: 00000000fffffff4
[  106.740322][    C0] RDX: ffff8880002066e0 RSI: ffffffff8c79f2a0 RDI: ffffffff91867590
[  106.743626][    C0] RBP: ffff888032372008 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  106.746968][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: ffff8880002066e0
[  106.750289][    C0] R13: dffffc0000000000 R14: ffffffff8c79f2a0 R15: ffff88800023c0d0
[  106.753702][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x260/0x310
[  106.756426][    C0]  drm_fb_helper_damage_work+0x84c/0xf20
[  106.758745][    C0]  ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[  106.761345][    C0]  ? lock_acquire+0x115/0x350
[  106.763410][    C0]  ? rcu_is_watching+0x16/0xb0
[  106.765482][    C0]  ? process_scheduled_works+0x97a/0x1630
[  106.767798][    C0]  process_scheduled_works+0xc3d/0x1630
[  106.770256][    C0]  ? __pfx_process_scheduled_works+0x10/0x10
[  106.772893][    C0]  ? assign_work+0x3cf/0x5d0
[  106.774899][    C0]  worker_thread+0xa47/0xfb0
[  106.776999][    C0]  kthread+0x38b/0x480
[  106.778790][    C0]  ? __pfx_worker_thread+0x10/0x10
[  106.780996][    C0]  ? __pfx_kthread+0x10/0x10
[  106.782872][    C0]  ret_from_fork+0x514/0xb70
[  106.784681][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  106.786922][    C0]  ? __switch_to+0xc89/0x1420
[  106.788997][    C0]  ? __pfx_kthread+0x10/0x10
[  106.790872][    C0]  ret_from_fork_asm+0x1a/0x30
[  106.792701][    C0]  </TASK>
[  106.796878][    C0] FAULT_INJECTION: forcing a failure.
[  106.796878][    C0] name failslab, interval 1, probability 5, space 0, times 9958
[  106.801944][    C0] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) 
[  106.805631][    C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  106.809805][    C0] Workqueue: events drm_fb_helper_damage_work
[  106.812297][    C0] Call Trace:
[  106.813782][    C0]  <IRQ>
[  106.814926][    C0]  dump_stack_lvl+0xe8/0x150
[  106.816617][    C0]  should_fail_ex+0x410/0x560
[  106.818298][    C0]  should_failslab+0xa8/0x100
[  106.820216][    C0]  __kmalloc_cache_noprof+0xa3/0x600
[  106.822474][    C0]  ? dst_cow_metrics_generic+0x56/0x1c0
[  106.824897][    C0]  ? dst_cow_metrics_generic+0x56/0x1c0
[  106.828975][    C0]  dst_cow_metrics_generic+0x56/0x1c0
[  106.831234][    C0]  icmp6_dst_alloc+0x265/0x430
[  106.833210][    C0]  ndisc_send_skb+0x42f/0x1650
[  106.835194][    C0]  ? ndisc_send_skb+0x203/0x1650
[  106.837377][    C0]  ? __pfx_ndisc_send_skb+0x10/0x10
[  106.839544][    C0]  ? ndisc_alloc_skb+0x1a6/0x480
[  106.841740][    C0]  addrconf_rs_timer+0x2d2/0x6c0
[  106.843826][    C0]  ? lock_acquire+0x115/0x350
[  106.845966][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  106.848130][    C0]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  106.850394][    C0]  call_timer_fn+0x18d/0x5f0
[  106.852308][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  106.854569][    C0]  ? call_timer_fn+0xd5/0x5f0
[  106.856560][    C0]  ? __pfx_call_timer_fn+0x10/0x10
[  106.858664][    C0]  ? _raw_spin_unlock_irq+0x23/0x50
[  106.860850][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  106.863100][    C0]  __run_timer_base+0x652/0x8b0
[  106.865154][    C0]  ? __pfx___run_timer_base+0x10/0x10
[  106.867408][    C0]  ? ktime_get+0x1f5/0x220
[  106.869252][    C0]  ? lapic_next_event+0x11/0x20
[  106.871393][    C0]  run_timer_softirq+0xb7/0x170
[  106.873406][    C0]  handle_softirqs+0x226/0x860
[  106.875487][    C0]  ? __irq_exit_rcu+0xcb/0x220
[  106.877505][    C0]  __irq_exit_rcu+0xcb/0x220
[  106.879292][    C0]  irq_exit_rcu+0x9/0x30
[  106.880809][    C0]  sysvec_apic_timer_interrupt+0xa6/0xc0
[  106.882837][    C0]  </IRQ>
[  106.883901][    C0]  <TASK>
[  106.885234][    C0]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  106.887818][    C0] RIP: 0010:__nbcon_atomic_flush_pending_con+0x261/0x370
[  106.890815][    C0] Code: 00 02 00 00 75 41 e8 2e d1 20 00 4d 85 ed 4c 8d 7c 24 40 75 0c e8 1f d1 20 00 45 84 e4 75 0d eb 3b e8 13 d1 20 00 fb 45 84 e4 <74> 30 f6 44 24 50 02 49 bc 00 00 00 00 00 fc ff df 74 34 e8 f7 d0
[  106.898491][    C0] RSP: 0018:ffffc9000022f1a0 EFLAGS: 00000202
[  106.900984][    C0] RAX: ffffffff81a74f3d RBX: 0000000000000e58 RCX: ffff88801c72cb00
[  106.904208][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  106.907391][    C0] RBP: ffffc9000022f290 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  106.910618][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: dffffc0000000001
[  106.913742][    C0] R13: 0000000000000200 R14: ffffffff906946c8 R15: ffffc9000022f1e0
[  106.917177][    C0]  ? __nbcon_atomic_flush_pending_con+0x25d/0x370
[  106.919760][    C0]  ? __pfx___nbcon_atomic_flush_pending_con+0x10/0x10
[  106.922512][    C0]  __nbcon_atomic_flush_pending+0x23c/0x440
[  106.924844][    C0]  ? __pfx___nbcon_atomic_flush_pending+0x10/0x10
[  106.927338][    C0]  ? panic_on_this_cpu+0x32/0x40
[  106.929328][    C0]  vprintk_emit+0x1a6/0x560
[  106.931136][    C0]  ? __pfx_vprintk_emit+0x10/0x10
[  106.933104][    C0]  ? seq_buf_puts+0x146/0x1a0
[  106.934950][    C0]  _printk+0xdd/0x130
[  106.936634][    C0]  ? __asan_memcpy+0x40/0x70
[  106.938522][    C0]  ? __pfx__printk+0x10/0x10
[  106.940382][    C0]  ? preempt_model_str+0x10a/0x200
[  106.942376][    C0]  ? __pfx_preempt_model_str+0x10/0x10
[  106.944595][    C0]  ? print_modules+0x1b1/0x290
[  106.946586][    C0]  dump_stack_print_info+0x11e/0x200
[  106.948736][    C0]  show_regs+0x14/0x60
[  106.950464][    C0]  __warn+0x181/0x4c0
[  106.952228][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  106.955028][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  106.957954][    C0]  __report_bug+0x276/0x570
[  106.959917][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  106.962491][    C0]  ? __pfx___report_bug+0x10/0x10
[  106.964611][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  106.967221][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  106.969863][    C0]  report_bug_entry+0x19b/0x290
[  106.971898][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  106.974526][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  106.977225][    C0]  handle_bug+0xce/0x200
[  106.978990][    C0]  exc_invalid_op+0x1a/0x50
[  106.980945][    C0]  asm_exc_invalid_op+0x1a/0x20
[  106.983013][    C0] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  106.985892][    C0] Code: 27 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 4a 1a 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
[  106.993753][    C0] RSP: 0018:ffffc9000022f898 EFLAGS: 00010246
[  106.996459][    C0] RAX: 1ffff1100004781a RBX: 00000000fffffff4 RCX: 00000000fffffff4
[  106.999781][    C0] RDX: ffff8880002066e0 RSI: ffffffff8c79f2a0 RDI: ffffffff91867590
[  107.003073][    C0] RBP: ffff888032372008 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  107.006409][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: ffff8880002066e0
[  107.009741][    C0] R13: dffffc0000000000 R14: ffffffff8c79f2a0 R15: ffff88800023c0d0
[  107.013117][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x260/0x310
[  107.015801][    C0]  drm_fb_helper_damage_work+0x84c/0xf20
[  107.018174][    C0]  ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[  107.020705][    C0]  ? lock_acquire+0x115/0x350
[  107.022703][    C0]  ? rcu_is_watching+0x16/0xb0
[  107.024646][    C0]  ? process_scheduled_works+0x97a/0x1630
[  107.027131][    C0]  process_scheduled_works+0xc3d/0x1630
[  107.029556][    C0]  ? __pfx_process_scheduled_works+0x10/0x10
[  107.032051][    C0]  ? assign_work+0x3cf/0x5d0
[  107.034054][    C0]  worker_thread+0xa47/0xfb0
[  107.035977][    C0]  kthread+0x38b/0x480
[  107.037711][    C0]  ? __pfx_worker_thread+0x10/0x10
[  107.039804][    C0]  ? __pfx_kthread+0x10/0x10
[  107.041754][    C0]  ret_from_fork+0x514/0xb70
[  107.043762][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  107.046012][    C0]  ? __switch_to+0xc89/0x1420
[  107.047995][    C0]  ? __pfx_kthread+0x10/0x10
[  107.049949][    C0]  ret_from_fork_asm+0x1a/0x30
[  107.052034][    C0]  </TASK>
[  107.053884][    C0] FAULT_INJECTION: forcing a failure.
[  107.053884][    C0] name failslab, interval 1, probability 5, space 0, times 9957
[  107.059109][    C0] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) 
[  107.062713][    C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  107.066798][    C0] Workqueue: events drm_fb_helper_damage_work
[  107.069298][    C0] Call Trace:
[  107.070706][    C0]  <IRQ>
[  107.071863][    C0]  dump_stack_lvl+0xe8/0x150
[  107.073788][    C0]  should_fail_ex+0x410/0x560
[  107.075891][    C0]  should_failslab+0xa8/0x100
[  107.077943][    C0]  ? dst_alloc+0x105/0x170
[  107.079840][    C0]  kmem_cache_alloc_noprof+0xa1/0x600
[  107.082068][    C0]  ? in6_dev_get+0x366/0x420
[  107.084004][    C0]  ? dst_alloc+0x105/0x170
[  107.085880][    C0]  ? __pfx_in6_dev_get+0x10/0x10
[  107.087923][    C0]  ? __pfx_ip6_dst_gc+0x10/0x10
[  107.089967][    C0]  dst_alloc+0x105/0x170
[  107.091885][    C0]  icmp6_dst_alloc+0x72/0x430
[  107.093781][    C0]  ndisc_send_skb+0x42f/0x1650
[  107.095764][    C0]  ? ndisc_send_skb+0x203/0x1650
[  107.097789][    C0]  ? __pfx_ndisc_send_skb+0x10/0x10
[  107.099964][    C0]  ? ndisc_alloc_skb+0x1a6/0x480
[  107.102046][    C0]  addrconf_rs_timer+0x2d2/0x6c0
[  107.104103][    C0]  ? lock_acquire+0x115/0x350
[  107.106085][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  107.108240][    C0]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  107.110501][    C0]  call_timer_fn+0x18d/0x5f0
[  107.112423][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  107.114670][    C0]  ? call_timer_fn+0xd5/0x5f0
[  107.116724][    C0]  ? __pfx_call_timer_fn+0x10/0x10
[  107.118855][    C0]  ? _raw_spin_unlock_irq+0x23/0x50
[  107.120983][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  107.123216][    C0]  __run_timer_base+0x652/0x8b0
[  107.125216][    C0]  ? __pfx___run_timer_base+0x10/0x10
[  107.127431][    C0]  ? ktime_get+0x1f5/0x220
[  107.129297][    C0]  ? lapic_next_event+0x11/0x20
[  107.131299][    C0]  run_timer_softirq+0xb7/0x170
[  107.133364][    C0]  handle_softirqs+0x226/0x860
[  107.135500][    C0]  ? __irq_exit_rcu+0xcb/0x220
[  107.137542][    C0]  __irq_exit_rcu+0xcb/0x220
[  107.139486][    C0]  irq_exit_rcu+0x9/0x30
[  107.141233][    C0]  sysvec_apic_timer_interrupt+0xa6/0xc0
[  107.143637][    C0]  </IRQ>
[  107.144875][    C0]  <TASK>
[  107.146110][    C0]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  107.148620][    C0] RIP: 0010:__nbcon_atomic_flush_pending_con+0x261/0x370
[  107.151520][    C0] Code: 00 02 00 00 75 41 e8 2e d1 20 00 4d 85 ed 4c 8d 7c 24 40 75 0c e8 1f d1 20 00 45 84 e4 75 0d eb 3b e8 13 d1 20 00 fb 45 84 e4 <74> 30 f6 44 24 50 02 49 bc 00 00 00 00 00 fc ff df 74 34 e8 f7 d0
[  107.159284][    C0] RSP: 0018:ffffc9000022f1a0 EFLAGS: 00000202
[  107.161726][    C0] RAX: ffffffff81a74f3d RBX: 0000000000000e58 RCX: ffff88801c72cb00
[  107.164863][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  107.167916][    C0] RBP: ffffc9000022f290 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  107.171159][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: dffffc0000000001
[  107.174518][    C0] R13: 0000000000000200 R14: ffffffff906946c8 R15: ffffc9000022f1e0
[  107.177875][    C0]  ? __nbcon_atomic_flush_pending_con+0x25d/0x370
[  107.180374][    C0]  ? __pfx___nbcon_atomic_flush_pending_con+0x10/0x10
[  107.183042][    C0]  __nbcon_atomic_flush_pending+0x23c/0x440
[  107.185506][    C0]  ? __pfx___nbcon_atomic_flush_pending+0x10/0x10
[  107.188120][    C0]  ? panic_on_this_cpu+0x32/0x40
[  107.190207][    C0]  vprintk_emit+0x1a6/0x560
[  107.192128][    C0]  ? __pfx_vprintk_emit+0x10/0x10
[  107.194217][    C0]  ? seq_buf_puts+0x146/0x1a0
[  107.196285][    C0]  _printk+0xdd/0x130
[  107.198020][    C0]  ? __asan_memcpy+0x40/0x70
[  107.199957][    C0]  ? __pfx__printk+0x10/0x10
[  107.201900][    C0]  ? preempt_model_str+0x10a/0x200
[  107.203943][    C0]  ? __pfx_preempt_model_str+0x10/0x10
[  107.206193][    C0]  ? print_modules+0x1b1/0x290
[  107.208142][    C0]  dump_stack_print_info+0x11e/0x200
[  107.210322][    C0]  show_regs+0x14/0x60
[  107.211977][    C0]  __warn+0x181/0x4c0
[  107.213623][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  107.216148][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  107.218697][    C0]  __report_bug+0x276/0x570
[  107.220580][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  107.223267][    C0]  ? __pfx___report_bug+0x10/0x10
[  107.225435][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  107.227874][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  107.230463][    C0]  report_bug_entry+0x19b/0x290
[  107.232417][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  107.234921][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  107.237586][    C0]  handle_bug+0xce/0x200
[  107.239730][    C0]  exc_invalid_op+0x1a/0x50
[  107.241673][    C0]  asm_exc_invalid_op+0x1a/0x20
[  107.243667][    C0] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  107.246536][    C0] Code: 27 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 4a 1a 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
[  107.254007][    C0] RSP: 0018:ffffc9000022f898 EFLAGS: 00010246
[  107.256516][    C0] RAX: 1ffff1100004781a RBX: 00000000fffffff4 RCX: 00000000fffffff4
[  107.259620][    C0] RDX: ffff8880002066e0 RSI: ffffffff8c79f2a0 RDI: ffffffff91867590
[  107.262711][    C0] RBP: ffff888032372008 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  107.265892][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: ffff8880002066e0
[  107.269101][    C0] R13: dffffc0000000000 R14: ffffffff8c79f2a0 R15: ffff88800023c0d0
[  107.272241][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x260/0x310
[  107.275065][    C0]  drm_fb_helper_damage_work+0x84c/0xf20
[  107.277743][    C0]  ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[  107.280331][    C0]  ? lock_acquire+0x115/0x350
[  107.282270][    C0]  ? rcu_is_watching+0x16/0xb0
[  107.284294][    C0]  ? process_scheduled_works+0x97a/0x1630
[  107.286682][    C0]  process_scheduled_works+0xc3d/0x1630
[  107.288937][    C0]  ? __pfx_process_scheduled_works+0x10/0x10
[  107.291384][    C0]  ? assign_work+0x3cf/0x5d0
[  107.293290][    C0]  worker_thread+0xa47/0xfb0
[  107.295139][    C0]  kthread+0x38b/0x480
[  107.296810][    C0]  ? __pfx_worker_thread+0x10/0x10
[  107.298784][    C0]  ? __pfx_kthread+0x10/0x10
[  107.300657][    C0]  ret_from_fork+0x514/0xb70
[  107.302510][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  107.304528][    C0]  ? __switch_to+0xc89/0x1420
[  107.306415][    C0]  ? __pfx_kthread+0x10/0x10
[  107.308240][    C0]  ret_from_fork_asm+0x1a/0x30
[  107.310193][    C0]  </TASK>
[  107.313759][    C0] FAULT_INJECTION: forcing a failure.
[  107.313759][    C0] name failslab, interval 1, probability 5, space 0, times 9956
[  107.319220][    C0] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) 
[  107.323263][    C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  107.327428][    C0] Workqueue: events drm_fb_helper_damage_work
[  107.329879][    C0] Call Trace:
[  107.331254][    C0]  <IRQ>
[  107.332486][    C0]  dump_stack_lvl+0xe8/0x150
[  107.334383][    C0]  should_fail_ex+0x410/0x560
[  107.336411][    C0]  should_failslab+0xa8/0x100
[  107.338342][    C0]  __kmalloc_cache_noprof+0xa3/0x600
[  107.340414][    C0]  ? dst_cow_metrics_generic+0x56/0x1c0
[  107.342598][    C0]  ? dst_cow_metrics_generic+0x56/0x1c0
[  107.344854][    C0]  dst_cow_metrics_generic+0x56/0x1c0
[  107.347310][    C0]  icmp6_dst_alloc+0x265/0x430
[  107.349957][    C0]  ndisc_send_skb+0x42f/0x1650
[  107.352394][    C0]  ? ndisc_send_skb+0x203/0x1650
[  107.354539][    C0]  ? __pfx_ndisc_send_skb+0x10/0x10
[  107.356709][    C0]  ? ndisc_alloc_skb+0x1a6/0x480
[  107.358845][    C0]  addrconf_rs_timer+0x2d2/0x6c0
[  107.360955][    C0]  ? lock_acquire+0x115/0x350
[  107.362963][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  107.365430][    C0]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  107.367740][    C0]  call_timer_fn+0x18d/0x5f0
[  107.369609][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  107.371836][    C0]  ? call_timer_fn+0xd5/0x5f0
[  107.373823][    C0]  ? __pfx_call_timer_fn+0x10/0x10
[  107.375966][    C0]  ? _raw_spin_unlock_irq+0x23/0x50
[  107.378553][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  107.381292][    C0]  __run_timer_base+0x652/0x8b0
[  107.383773][    C0]  ? __pfx___run_timer_base+0x10/0x10
[  107.386195][    C0]  ? ktime_get+0x1f5/0x220
[  107.387985][    C0]  ? lapic_next_event+0x11/0x20
[  107.389898][    C0]  run_timer_softirq+0xb7/0x170
[  107.391815][    C0]  handle_softirqs+0x226/0x860
[  107.393868][    C0]  ? __irq_exit_rcu+0xcb/0x220
[  107.396010][    C0]  __irq_exit_rcu+0xcb/0x220
[  107.397952][    C0]  irq_exit_rcu+0x9/0x30
[  107.399794][    C0]  sysvec_apic_timer_interrupt+0xa6/0xc0
[  107.402202][    C0]  </IRQ>
[  107.403439][    C0]  <TASK>
[  107.404673][    C0]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  107.407160][    C0] RIP: 0010:__nbcon_atomic_flush_pending_con+0x261/0x370
[  107.410091][    C0] Code: 00 02 00 00 75 41 e8 2e d1 20 00 4d 85 ed 4c 8d 7c 24 40 75 0c e8 1f d1 20 00 45 84 e4 75 0d eb 3b e8 13 d1 20 00 fb 45 84 e4 <74> 30 f6 44 24 50 02 49 bc 00 00 00 00 00 fc ff df 74 34 e8 f7 d0
[  107.418078][    C0] RSP: 0018:ffffc9000022f1a0 EFLAGS: 00000202
[  107.420657][    C0] RAX: ffffffff81a74f3d RBX: 0000000000000e58 RCX: ffff88801c72cb00
[  107.424031][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  107.427409][    C0] RBP: ffffc9000022f290 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  107.430745][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: dffffc0000000001
[  107.434098][    C0] R13: 0000000000000200 R14: ffffffff906946c8 R15: ffffc9000022f1e0
[  107.437542][    C0]  ? __nbcon_atomic_flush_pending_con+0x25d/0x370
[  107.440255][    C0]  ? __pfx___nbcon_atomic_flush_pending_con+0x10/0x10
[  107.443189][    C0]  __nbcon_atomic_flush_pending+0x23c/0x440
[  107.445715][    C0]  ? __pfx___nbcon_atomic_flush_pending+0x10/0x10
[  107.448634][    C0]  ? panic_on_this_cpu+0x32/0x40
[  107.450729][    C0]  vprintk_emit+0x1a6/0x560
[  107.452722][    C0]  ? __pfx_vprintk_emit+0x10/0x10
[  107.454803][    C0]  ? seq_buf_puts+0x146/0x1a0
[  107.456824][    C0]  _printk+0xdd/0x130
[  107.458502][    C0]  ? __asan_memcpy+0x40/0x70
[  107.460567][    C0]  ? __pfx__printk+0x10/0x10
[  107.462539][    C0]  ? preempt_model_str+0x10a/0x200
[  107.464617][    C0]  ? __pfx_preempt_model_str+0x10/0x10
[  107.466910][    C0]  ? print_modules+0x1b1/0x290
[  107.468831][    C0]  dump_stack_print_info+0x11e/0x200
[  107.470958][    C0]  show_regs+0x14/0x60
[  107.472611][    C0]  __warn+0x181/0x4c0
[  107.474205][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  107.476827][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  107.479445][    C0]  __report_bug+0x276/0x570
[  107.481423][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  107.483976][    C0]  ? __pfx___report_bug+0x10/0x10
[  107.486260][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  107.488922][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  107.491539][    C0]  report_bug_entry+0x19b/0x290
[  107.493806][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  107.496378][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  107.498946][    C0]  handle_bug+0xce/0x200
[  107.500773][    C0]  exc_invalid_op+0x1a/0x50
[  107.502748][    C0]  asm_exc_invalid_op+0x1a/0x20
[  107.504745][    C0] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  107.507546][    C0] Code: 27 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 4a 1a 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
[  107.515185][    C0] RSP: 0018:ffffc9000022f898 EFLAGS: 00010246
[  107.517647][    C0] RAX: 1ffff1100004781a RBX: 00000000fffffff4 RCX: 00000000fffffff4
[  107.520939][    C0] RDX: ffff8880002066e0 RSI: ffffffff8c79f2a0 RDI: ffffffff91867590
[  107.524119][    C0] RBP: ffff888032372008 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  107.527362][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: ffff8880002066e0
[  107.530733][    C0] R13: dffffc0000000000 R14: ffffffff8c79f2a0 R15: ffff88800023c0d0
[  107.534066][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x260/0x310
[  107.536929][    C0]  drm_fb_helper_damage_work+0x84c/0xf20
[  107.539016][    C0]  ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[  107.541436][    C0]  ? lock_acquire+0x115/0x350
[  107.543493][    C0]  ? rcu_is_watching+0x16/0xb0
[  107.545562][    C0]  ? process_scheduled_works+0x97a/0x1630
[  107.547986][    C0]  process_scheduled_works+0xc3d/0x1630
[  107.550487][    C0]  ? __pfx_process_scheduled_works+0x10/0x10
[  107.553465][    C0]  ? assign_work+0x3cf/0x5d0
[  107.555586][    C0]  worker_thread+0xa47/0xfb0
[  107.557412][    C0]  kthread+0x38b/0x480
[  107.558974][    C0]  ? __pfx_worker_thread+0x10/0x10
[  107.561082][    C0]  ? __pfx_kthread+0x10/0x10
[  107.562964][    C0]  ret_from_fork+0x514/0xb70
[  107.564990][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  107.567170][    C0]  ? __switch_to+0xc89/0x1420
[  107.569117][    C0]  ? __pfx_kthread+0x10/0x10
[  107.570984][    C0]  ret_from_fork_asm+0x1a/0x30
[  107.573076][    C0]  </TASK>
[  107.575648][    C0] FAULT_INJECTION: forcing a failure.
[  107.575648][    C0] name failslab, interval 1, probability 5, space 0, times 9955
[  107.580919][    C0] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) 
[  107.584462][    C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  107.588547][    C0] Workqueue: events drm_fb_helper_damage_work
[  107.591100][    C0] Call Trace:
[  107.592544][    C0]  <IRQ>
[  107.593743][    C0]  dump_stack_lvl+0xe8/0x150
[  107.595623][    C0]  should_fail_ex+0x410/0x560
[  107.598843][    C0]  should_failslab+0xa8/0x100
[  107.600801][    C0]  ? dst_alloc+0x105/0x170
[  107.602686][    C0]  kmem_cache_alloc_noprof+0xa1/0x600
[  107.604926][    C0]  ? in6_dev_get+0x366/0x420
[  107.606866][    C0]  ? dst_alloc+0x105/0x170
[  107.608899][    C0]  ? __pfx_in6_dev_get+0x10/0x10
[  107.610979][    C0]  ? __pfx_ip6_dst_gc+0x10/0x10
[  107.613079][    C0]  dst_alloc+0x105/0x170
[  107.614937][    C0]  icmp6_dst_alloc+0x72/0x430
[  107.617023][    C0]  ndisc_send_skb+0x42f/0x1650
[  107.619021][    C0]  ? ndisc_send_skb+0x203/0x1650
[  107.625504][    C0]  ? __pfx_ndisc_send_skb+0x10/0x10
[  107.627661][    C0]  ? ndisc_alloc_skb+0x1a6/0x480
[  107.629704][    C0]  addrconf_rs_timer+0x2d2/0x6c0
[  107.631671][    C0]  ? lock_acquire+0x115/0x350
[  107.633994][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  107.636254][    C0]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  107.638463][    C0]  call_timer_fn+0x18d/0x5f0
[  107.640582][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  107.642816][    C0]  ? call_timer_fn+0xd5/0x5f0
[  107.644761][    C0]  ? __pfx_call_timer_fn+0x10/0x10
[  107.646881][    C0]  ? _raw_spin_unlock_irq+0x23/0x50
[  107.648999][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  107.651103][    C0]  __run_timer_base+0x652/0x8b0
[  107.653061][    C0]  ? __pfx___run_timer_base+0x10/0x10
[  107.655122][    C0]  ? ktime_get+0x1f5/0x220
[  107.656987][    C0]  ? lapic_next_event+0x11/0x20
[  107.659083][    C0]  run_timer_softirq+0xb7/0x170
[  107.661168][    C0]  handle_softirqs+0x226/0x860
[  107.663174][    C0]  ? __irq_exit_rcu+0xcb/0x220
[  107.665265][    C0]  __irq_exit_rcu+0xcb/0x220
[  107.667167][    C0]  irq_exit_rcu+0x9/0x30
[  107.668871][    C0]  sysvec_apic_timer_interrupt+0xa6/0xc0
[  107.671230][    C0]  </IRQ>
[  107.672569][    C0]  <TASK>
[  107.673799][    C0]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  107.676202][    C0] RIP: 0010:__nbcon_atomic_flush_pending_con+0x261/0x370
[  107.679045][    C0] Code: 00 02 00 00 75 41 e8 2e d1 20 00 4d 85 ed 4c 8d 7c 24 40 75 0c e8 1f d1 20 00 45 84 e4 75 0d eb 3b e8 13 d1 20 00 fb 45 84 e4 <74> 30 f6 44 24 50 02 49 bc 00 00 00 00 00 fc ff df 74 34 e8 f7 d0
[  107.686600][    C0] RSP: 0018:ffffc9000022f1a0 EFLAGS: 00000202
[  107.689067][    C0] RAX: ffffffff81a74f3d RBX: 0000000000000e58 RCX: ffff88801c72cb00
[  107.692142][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  107.695319][    C0] RBP: ffffc9000022f290 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  107.698489][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: dffffc0000000001
[  107.701816][    C0] R13: 0000000000000200 R14: ffffffff906946c8 R15: ffffc9000022f1e0
[  107.705105][    C0]  ? __nbcon_atomic_flush_pending_con+0x25d/0x370
[  107.707592][    C0]  ? __pfx___nbcon_atomic_flush_pending_con+0x10/0x10
[  107.710226][    C0]  __nbcon_atomic_flush_pending+0x23c/0x440
[  107.712604][    C0]  ? __pfx___nbcon_atomic_flush_pending+0x10/0x10
[  107.715359][    C0]  ? panic_on_this_cpu+0x32/0x40
[  107.717497][    C0]  vprintk_emit+0x1a6/0x560
[  107.719438][    C0]  ? __pfx_vprintk_emit+0x10/0x10
[  107.721478][    C0]  ? seq_buf_puts+0x146/0x1a0
[  107.723342][    C0]  _printk+0xdd/0x130
[  107.725124][    C0]  ? __asan_memcpy+0x40/0x70
[  107.727036][    C0]  ? __pfx__printk+0x10/0x10
[  107.728881][    C0]  ? preempt_model_str+0x10a/0x200
[  107.731146][    C0]  ? __pfx_preempt_model_str+0x10/0x10
[  107.733449][    C0]  ? print_modules+0x1b1/0x290
[  107.735434][    C0]  dump_stack_print_info+0x11e/0x200
[  107.737615][    C0]  show_regs+0x14/0x60
[  107.739364][    C0]  __warn+0x181/0x4c0
[  107.741035][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  107.743519][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  107.746057][    C0]  __report_bug+0x276/0x570
[  107.747896][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  107.750362][    C0]  ? __pfx___report_bug+0x10/0x10
[  107.752388][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  107.754652][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  107.757137][    C0]  report_bug_entry+0x19b/0x290
[  107.759049][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  107.761553][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  107.763921][    C0]  handle_bug+0xce/0x200
[  107.765541][    C0]  exc_invalid_op+0x1a/0x50
[  107.767183][    C0]  asm_exc_invalid_op+0x1a/0x20
[  107.769158][    C0] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  107.771903][    C0] Code: 27 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 4a 1a 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
[  107.780062][    C0] RSP: 0018:ffffc9000022f898 EFLAGS: 00010246
[  107.782650][    C0] RAX: 1ffff1100004781a RBX: 00000000fffffff4 RCX: 00000000fffffff4
[  107.785880][    C0] RDX: ffff8880002066e0 RSI: ffffffff8c79f2a0 RDI: ffffffff91867590
[  107.789276][    C0] RBP: ffff888032372008 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  107.792443][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: ffff8880002066e0
[  107.795754][    C0] R13: dffffc0000000000 R14: ffffffff8c79f2a0 R15: ffff88800023c0d0
[  107.798927][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x260/0x310
[  107.801543][    C0]  drm_fb_helper_damage_work+0x84c/0xf20
[  107.803846][    C0]  ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[  107.806368][    C0]  ? lock_acquire+0x115/0x350
[  107.808199][    C0]  ? rcu_is_watching+0x16/0xb0
[  107.810068][    C0]  ? process_scheduled_works+0x97a/0x1630
[  107.812225][    C0]  process_scheduled_works+0xc3d/0x1630
[  107.814375][    C0]  ? __pfx_process_scheduled_works+0x10/0x10
[  107.816677][    C0]  ? assign_work+0x3cf/0x5d0
[  107.818347][    C0]  worker_thread+0xa47/0xfb0
[  107.820129][    C0]  kthread+0x38b/0x480
[  107.821793][    C0]  ? __pfx_worker_thread+0x10/0x10
[  107.823876][    C0]  ? __pfx_kthread+0x10/0x10
[  107.832848][    C0]  ret_from_fork+0x514/0xb70
[  107.834940][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  107.837116][    C0]  ? __switch_to+0xc89/0x1420
[  107.839116][    C0]  ? __pfx_kthread+0x10/0x10
[  107.841053][    C0]  ret_from_fork_asm+0x1a/0x30
[  107.843099][    C0]  </TASK>
[  107.846868][    C0] FAULT_INJECTION: forcing a failure.
[  107.846868][    C0] name failslab, interval 1, probability 5, space 0, times 9954
[  107.852212][    C0] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) 
[  107.855983][    C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  107.860177][    C0] Workqueue: events drm_fb_helper_damage_work
[  107.862789][    C0] Call Trace:
[  107.864239][    C0]  <IRQ>
[  107.865591][    C0]  dump_stack_lvl+0xe8/0x150
[  107.867660][    C0]  should_fail_ex+0x410/0x560
[  107.869652][    C0]  ? __alloc_skb+0x1db/0x7a0
[  107.871552][    C0]  should_failslab+0xa8/0x100
[  107.873553][    C0]  ? __alloc_skb+0x1db/0x7a0
[  107.875556][    C0]  kmem_cache_alloc_node_noprof+0xa1/0x610
[  107.877988][    C0]  ? __alloc_skb+0x18d/0x7a0
[  107.879930][    C0]  ? __alloc_skb+0x1db/0x7a0
[  107.882077][    C0]  __alloc_skb+0x1db/0x7a0
[  107.884171][    C0]  ndisc_alloc_skb+0xa0/0x480
[  107.886342][    C0]  ndisc_send_rs+0x288/0x6b0
[  107.888348][    C0]  ? ipv6_get_lladdr+0x2b/0x3f0
[  107.890433][    C0]  addrconf_rs_timer+0x2d2/0x6c0
[  107.892463][    C0]  ? lock_acquire+0x115/0x350
[  107.894431][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  107.896765][    C0]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  107.899039][    C0]  call_timer_fn+0x18d/0x5f0
[  107.901051][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  107.903363][    C0]  ? call_timer_fn+0xd5/0x5f0
[  107.905430][    C0]  ? __pfx_call_timer_fn+0x10/0x10
[  107.907588][    C0]  ? _raw_spin_unlock_irq+0x23/0x50
[  107.909841][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  107.912226][    C0]  __run_timer_base+0x652/0x8b0
[  107.914313][    C0]  ? __pfx___run_timer_base+0x10/0x10
[  107.916663][    C0]  ? ktime_get+0x1f5/0x220
[  107.918678][    C0]  ? lapic_next_event+0x11/0x20
[  107.920804][    C0]  run_timer_softirq+0xb7/0x170
[  107.922876][    C0]  handle_softirqs+0x226/0x860
[  107.924940][    C0]  ? __irq_exit_rcu+0xcb/0x220
[  107.926986][    C0]  __irq_exit_rcu+0xcb/0x220
[  107.928969][    C0]  irq_exit_rcu+0x9/0x30
[  107.930756][    C0]  sysvec_apic_timer_interrupt+0xa6/0xc0
[  107.933186][    C0]  </IRQ>
[  107.934486][    C0]  <TASK>
[  107.935781][    C0]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  107.938329][    C0] RIP: 0010:__nbcon_atomic_flush_pending_con+0x261/0x370
[  107.941258][    C0] Code: 00 02 00 00 75 41 e8 2e d1 20 00 4d 85 ed 4c 8d 7c 24 40 75 0c e8 1f d1 20 00 45 84 e4 75 0d eb 3b e8 13 d1 20 00 fb 45 84 e4 <74> 30 f6 44 24 50 02 49 bc 00 00 00 00 00 fc ff df 74 34 e8 f7 d0
[  107.949405][    C0] RSP: 0018:ffffc9000022f1a0 EFLAGS: 00000202
[  107.951967][    C0] RAX: ffffffff81a74f3d RBX: 0000000000000e58 RCX: ffff88801c72cb00
[  107.955255][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  107.958580][    C0] RBP: ffffc9000022f290 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  107.961727][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: dffffc0000000001
[  107.965045][    C0] R13: 0000000000000200 R14: ffffffff906946c8 R15: ffffc9000022f1e0
[  107.968420][    C0]  ? __nbcon_atomic_flush_pending_con+0x25d/0x370
[  107.971062][    C0]  ? __pfx___nbcon_atomic_flush_pending_con+0x10/0x10
[  107.973896][    C0]  __nbcon_atomic_flush_pending+0x23c/0x440
[  107.976527][    C0]  ? __pfx___nbcon_atomic_flush_pending+0x10/0x10
[  107.979104][    C0]  ? panic_on_this_cpu+0x32/0x40
[  107.981241][    C0]  vprintk_emit+0x1a6/0x560
[  107.983134][    C0]  ? __pfx_vprintk_emit+0x10/0x10
[  107.985323][    C0]  ? seq_buf_puts+0x146/0x1a0
[  107.987427][    C0]  _printk+0xdd/0x130
[  107.989086][    C0]  ? __asan_memcpy+0x40/0x70
[  107.991072][    C0]  ? __pfx__printk+0x10/0x10
[  107.993220][    C0]  ? preempt_model_str+0x10a/0x200
[  107.995432][    C0]  ? __pfx_preempt_model_str+0x10/0x10
[  107.997885][    C0]  ? print_modules+0x1b1/0x290
[  107.999943][    C0]  dump_stack_print_info+0x11e/0x200
[  108.002247][    C0]  show_regs+0x14/0x60
[  108.003982][    C0]  __warn+0x181/0x4c0
[  108.005697][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  108.008295][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  108.010855][    C0]  __report_bug+0x276/0x570
[  108.012783][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  108.015439][    C0]  ? __pfx___report_bug+0x10/0x10
[  108.017452][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  108.020136][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  108.022853][    C0]  report_bug_entry+0x19b/0x290
[  108.024823][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  108.027541][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  108.030274][    C0]  handle_bug+0xce/0x200
[  108.032043][    C0]  exc_invalid_op+0x1a/0x50
[  108.034043][    C0]  asm_exc_invalid_op+0x1a/0x20
[  108.036174][    C0] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  108.039116][    C0] Code: 27 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 4a 1a 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
[  108.047090][    C0] RSP: 0018:ffffc9000022f898 EFLAGS: 00010246
[  108.049771][    C0] RAX: 1ffff1100004781a RBX: 00000000fffffff4 RCX: 00000000fffffff4
[  108.053075][    C0] RDX: ffff8880002066e0 RSI: ffffffff8c79f2a0 RDI: ffffffff91867590
[  108.056466][    C0] RBP: ffff888032372008 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  108.059806][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: ffff8880002066e0
[  108.063037][    C0] R13: dffffc0000000000 R14: ffffffff8c79f2a0 R15: ffff88800023c0d0
[  108.066382][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x260/0x310
[  108.068972][    C0]  drm_fb_helper_damage_work+0x84c/0xf20
[  108.071291][    C0]  ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[  108.073883][    C0]  ? lock_acquire+0x115/0x350
[  108.075865][    C0]  ? rcu_is_watching+0x16/0xb0
[  108.077905][    C0]  ? process_scheduled_works+0x97a/0x1630
[  108.080287][    C0]  process_scheduled_works+0xc3d/0x1630
[  108.082586][    C0]  ? __pfx_process_scheduled_works+0x10/0x10
[  108.085029][    C0]  ? assign_work+0x3cf/0x5d0
[  108.087069][    C0]  worker_thread+0xa47/0xfb0
[  108.089104][    C0]  kthread+0x38b/0x480
[  108.090818][    C0]  ? __pfx_worker_thread+0x10/0x10
[  108.092885][    C0]  ? __pfx_kthread+0x10/0x10
[  108.094802][    C0]  ret_from_fork+0x514/0xb70
[  108.096542][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  108.098695][    C0]  ? __switch_to+0xc89/0x1420
[  108.100693][    C0]  ? __pfx_kthread+0x10/0x10
[  108.102642][    C0]  ret_from_fork_asm+0x1a/0x30
[  108.104691][    C0]  </TASK>
[  108.108541][    C0] FAULT_INJECTION: forcing a failure.
[  108.108541][    C0] name failslab, interval 1, probability 5, space 0, times 9949
[  108.114020][    C0] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) 
[  108.117782][    C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  108.121887][    C0] Workqueue: events drm_fb_helper_damage_work
[  108.124223][    C0] Call Trace:
[  108.125622][    C0]  <IRQ>
[  108.126732][    C0]  dump_stack_lvl+0xe8/0x150
[  108.128529][    C0]  should_fail_ex+0x410/0x560
[  108.130412][    C0]  should_failslab+0xa8/0x100
[  108.132350][    C0]  __kmalloc_cache_noprof+0xa3/0x600
[  108.134489][    C0]  ? dst_cow_metrics_generic+0x56/0x1c0
[  108.136777][    C0]  ? dst_cow_metrics_generic+0x56/0x1c0
[  108.139014][    C0]  dst_cow_metrics_generic+0x56/0x1c0
[  108.141208][    C0]  icmp6_dst_alloc+0x265/0x430
[  108.143294][    C0]  ndisc_send_skb+0x42f/0x1650
[  108.145173][    C0]  ? ndisc_send_skb+0x203/0x1650
[  108.147248][    C0]  ? __pfx_ndisc_send_skb+0x10/0x10
[  108.149470][    C0]  ? ndisc_alloc_skb+0x1a6/0x480
[  108.151499][    C0]  addrconf_rs_timer+0x2d2/0x6c0
[  108.153530][    C0]  ? lock_acquire+0x115/0x350
[  108.155510][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  108.157794][    C0]  ? __pfx_do_raw_spin_lock+0x10/0x10
[  108.160077][    C0]  call_timer_fn+0x18d/0x5f0
[  108.162025][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  108.164289][    C0]  ? call_timer_fn+0xd5/0x5f0
[  108.166320][    C0]  ? __pfx_call_timer_fn+0x10/0x10
[  108.168550][    C0]  ? _raw_spin_unlock_irq+0x23/0x50
[  108.170800][    C0]  ? __pfx_addrconf_rs_timer+0x10/0x10
[  108.173153][    C0]  __run_timer_base+0x652/0x8b0
[  108.175251][    C0]  ? __pfx___run_timer_base+0x10/0x10
[  108.177590][    C0]  ? ktime_get+0x1f5/0x220
[  108.179532][    C0]  ? lapic_next_event+0x11/0x20
[  108.181596][    C0]  run_timer_softirq+0xb7/0x170
[  108.183621][    C0]  handle_softirqs+0x226/0x860
[  108.185616][    C0]  ? __irq_exit_rcu+0xcb/0x220
[  108.187612][    C0]  __irq_exit_rcu+0xcb/0x220
[  108.189606][    C0]  irq_exit_rcu+0x9/0x30
[  108.191444][    C0]  sysvec_apic_timer_interrupt+0xa6/0xc0
[  108.193843][    C0]  </IRQ>
[  108.195126][    C0]  <TASK>
[  108.196439][    C0]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  108.198906][    C0] RIP: 0010:__nbcon_atomic_flush_pending_con+0x261/0x370
[  108.201837][    C0] Code: 00 02 00 00 75 41 e8 2e d1 20 00 4d 85 ed 4c 8d 7c 24 40 75 0c e8 1f d1 20 00 45 84 e4 75 0d eb 3b e8 13 d1 20 00 fb 45 84 e4 <74> 30 f6 44 24 50 02 49 bc 00 00 00 00 00 fc ff df 74 34 e8 f7 d0
[  108.209780][    C0] RSP: 0018:ffffc9000022f1a0 EFLAGS: 00000202
[  108.212399][    C0] RAX: ffffffff81a74f3d RBX: 0000000000000e58 RCX: ffff88801c72cb00
[  108.215787][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  108.219114][    C0] RBP: ffffc9000022f290 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  108.222325][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: dffffc0000000001
[  108.226588][    C0] R13: 0000000000000200 R14: ffffffff906946c8 R15: ffffc9000022f1e0
[  108.229818][    C0]  ? __nbcon_atomic_flush_pending_con+0x25d/0x370
[  108.232482][    C0]  ? __pfx___nbcon_atomic_flush_pending_con+0x10/0x10
[  108.235298][    C0]  __nbcon_atomic_flush_pending+0x23c/0x440
[  108.237836][    C0]  ? __pfx___nbcon_atomic_flush_pending+0x10/0x10
[  108.240520][    C0]  ? panic_on_this_cpu+0x32/0x40
[  108.242550][    C0]  vprintk_emit+0x1a6/0x560
[  108.244388][    C0]  ? __pfx_vprintk_emit+0x10/0x10
[  108.246390][    C0]  ? seq_buf_puts+0x146/0x1a0
[  108.248228][    C0]  _printk+0xdd/0x130
[  108.249744][    C0]  ? __asan_memcpy+0x40/0x70
[  108.251457][    C0]  ? __pfx__printk+0x10/0x10
[  108.253270][    C0]  ? preempt_model_str+0x10a/0x200
[  108.255513][    C0]  ? __pfx_preempt_model_str+0x10/0x10
[  108.257844][    C0]  ? print_modules+0x1b1/0x290
[  108.259785][    C0]  dump_stack_print_info+0x11e/0x200
[  108.262007][    C0]  show_regs+0x14/0x60
[  108.263641][    C0]  __warn+0x181/0x4c0
[  108.265275][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  108.267892][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  108.270539][    C0]  __report_bug+0x276/0x570
[  108.272439][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  108.275067][    C0]  ? __pfx___report_bug+0x10/0x10
[  108.277094][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  108.279612][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  108.282069][    C0]  report_bug_entry+0x19b/0x290
[  108.283856][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  108.286187][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  108.288596][    C0]  handle_bug+0xce/0x200
[  108.290396][    C0]  exc_invalid_op+0x1a/0x50
[  108.292030][    C0]  asm_exc_invalid_op+0x1a/0x20
[  108.293900][    C0] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  108.296557][    C0] Code: 27 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 4a 1a 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
[  108.304464][    C0] RSP: 0018:ffffc9000022f898 EFLAGS: 00010246
[  108.307063][    C0] RAX: 1ffff1100004781a RBX: 00000000fffffff4 RCX: 00000000fffffff4
[  108.310373][    C0] RDX: ffff8880002066e0 RSI: ffffffff8c79f2a0 RDI: ffffffff91867590
[  108.313637][    C0] RBP: ffff888032372008 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  108.316800][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: ffff8880002066e0
[  108.320144][    C0] R13: dffffc0000000000 R14: ffffffff8c79f2a0 R15: ffff88800023c0d0
[  108.323545][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x260/0x310
[  108.326270][    C0]  drm_fb_helper_damage_work+0x84c/0xf20
[  108.328671][    C0]  ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[  108.331242][    C0]  ? lock_acquire+0x115/0x350
[  108.333293][    C0]  ? rcu_is_watching+0x16/0xb0
[  108.335434][    C0]  ? process_scheduled_works+0x97a/0x1630
[  108.337884][    C0]  process_scheduled_works+0xc3d/0x1630
[  108.340187][    C0]  ? __pfx_process_scheduled_works+0x10/0x10
[  108.342736][    C0]  ? assign_work+0x3cf/0x5d0
[  108.344713][    C0]  worker_thread+0xa47/0xfb0
[  108.346816][    C0]  kthread+0x38b/0x480
[  108.348609][    C0]  ? __pfx_worker_thread+0x10/0x10
[  108.350799][    C0]  ? __pfx_kthread+0x10/0x10
[  108.352815][    C0]  ret_from_fork+0x514/0xb70
[  108.354858][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  108.357113][    C0]  ? __switch_to+0xc89/0x1420
[  108.359192][    C0]  ? __pfx_kthread+0x10/0x10
[  108.361178][    C0]  ret_from_fork_asm+0x1a/0x30
[  108.363305][    C0]  </TASK>
[  108.364850][    C0] FAULT_INJECTION: forcing a failure.
[  108.364850][    C0] name failslab, interval 1, probability 5, space 0, times 9948
[  108.371196][    C0] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) 
[  108.375054][    C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  108.379295][    C0] Workqueue: events drm_fb_helper_damage_work
[  108.381831][    C0] Call Trace:
[  108.383356][    C0]  <IRQ>
[  108.384655][    C0]  dump_stack_lvl+0xe8/0x150
[  108.386663][    C0]  should_fail_ex+0x410/0x560
[  108.388685][    C0]  ? __alloc_skb+0x1db/0x7a0
[  108.390578][    C0]  should_failslab+0xa8/0x100
[  108.392643][    C0]  ? __alloc_skb+0x1db/0x7a0
[  108.394653][    C0]  kmem_cache_alloc_node_noprof+0xa1/0x610
[  108.397128][    C0]  ? __alloc_skb+0x18d/0x7a0
[  108.399012][    C0]  ? __alloc_skb+0x1db/0x7a0
[  108.401053][    C0]  __alloc_skb+0x1db/0x7a0
[  108.402940][    C0]  lapb_send_control+0x38/0x3e0
[  108.405103][    C0]  ? lapb_t1timer_expiry+0x33/0xaa0
[  108.407495][    C0]  lapb_t1timer_expiry+0x68d/0xaa0
[  108.409660][    C0]  call_timer_fn+0x18d/0x5f0
[  108.411691][    C0]  ? __pfx_lapb_t1timer_expiry+0x10/0x10
[  108.414157][    C0]  ? call_timer_fn+0xd5/0x5f0
[  108.416293][    C0]  ? __pfx_call_timer_fn+0x10/0x10
[  108.418457][    C0]  ? _raw_spin_unlock_irq+0x23/0x50
[  108.420671][    C0]  ? __pfx_lapb_t1timer_expiry+0x10/0x10
[  108.423019][    C0]  __run_timer_base+0x652/0x8b0
[  108.425105][    C0]  ? __pfx___run_timer_base+0x10/0x10
[  108.427247][    C0]  ? ktime_get+0x1f5/0x220
[  108.429059][    C0]  ? lapic_next_event+0x11/0x20
[  108.430997][    C0]  run_timer_softirq+0xb7/0x170
[  108.432862][    C0]  handle_softirqs+0x226/0x860
[  108.434764][    C0]  ? __irq_exit_rcu+0xcb/0x220
[  108.436867][    C0]  __irq_exit_rcu+0xcb/0x220
[  108.438847][    C0]  irq_exit_rcu+0x9/0x30
[  108.440611][    C0]  sysvec_apic_timer_interrupt+0xa6/0xc0
[  108.443017][    C0]  </IRQ>
[  108.444342][    C0]  <TASK>
[  108.445592][    C0]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  108.447830][    C0] RIP: 0010:__nbcon_atomic_flush_pending_con+0x261/0x370
[  108.450652][    C0] Code: 00 02 00 00 75 41 e8 2e d1 20 00 4d 85 ed 4c 8d 7c 24 40 75 0c e8 1f d1 20 00 45 84 e4 75 0d eb 3b e8 13 d1 20 00 fb 45 84 e4 <74> 30 f6 44 24 50 02 49 bc 00 00 00 00 00 fc ff df 74 34 e8 f7 d0
[  108.458440][    C0] RSP: 0018:ffffc9000022f1a0 EFLAGS: 00000202
[  108.460986][    C0] RAX: ffffffff81a74f3d RBX: 0000000000000e58 RCX: ffff88801c72cb00
[  108.464343][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  108.467737][    C0] RBP: ffffc9000022f290 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  108.471163][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: dffffc0000000001
[  108.474393][    C0] R13: 0000000000000200 R14: ffffffff906946c8 R15: ffffc9000022f1e0
[  108.477551][    C0]  ? __nbcon_atomic_flush_pending_con+0x25d/0x370
[  108.480244][    C0]  ? __pfx___nbcon_atomic_flush_pending_con+0x10/0x10
[  108.482948][    C0]  __nbcon_atomic_flush_pending+0x23c/0x440
[  108.485369][    C0]  ? __pfx___nbcon_atomic_flush_pending+0x10/0x10
[  108.487972][    C0]  ? panic_on_this_cpu+0x32/0x40
[  108.490059][    C0]  vprintk_emit+0x1a6/0x560
[  108.491999][    C0]  ? __pfx_vprintk_emit+0x10/0x10
[  108.494230][    C0]  ? seq_buf_puts+0x146/0x1a0
[  108.496293][    C0]  _printk+0xdd/0x130
[  108.497962][    C0]  ? __asan_memcpy+0x40/0x70
[  108.499928][    C0]  ? __pfx__printk+0x10/0x10
[  108.502109][    C0]  ? preempt_model_str+0x10a/0x200
[  108.504169][    C0]  ? __pfx_preempt_model_str+0x10/0x10
[  108.506464][    C0]  ? print_modules+0x1b1/0x290
[  108.508451][    C0]  dump_stack_print_info+0x11e/0x200
[  108.510699][    C0]  show_regs+0x14/0x60
[  108.512449][    C0]  __warn+0x181/0x4c0
[  108.514149][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  108.516907][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  108.519536][    C0]  __report_bug+0x276/0x570
[  108.521477][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  108.524169][    C0]  ? __pfx___report_bug+0x10/0x10
[  108.526129][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  108.528600][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  108.531458][    C0]  report_bug_entry+0x19b/0x290
[  108.533568][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  108.536375][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  108.539110][    C0]  handle_bug+0xce/0x200
[  108.540931][    C0]  exc_invalid_op+0x1a/0x50
[  108.542912][    C0]  asm_exc_invalid_op+0x1a/0x20
[  108.545026][    C0] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  108.547983][    C0] Code: 27 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 4a 1a 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
[  108.556090][    C0] RSP: 0018:ffffc9000022f898 EFLAGS: 00010246
[  108.558600][    C0] RAX: 1ffff1100004781a RBX: 00000000fffffff4 RCX: 00000000fffffff4
[  108.561920][    C0] RDX: ffff8880002066e0 RSI: ffffffff8c79f2a0 RDI: ffffffff91867590
[  108.565116][    C0] RBP: ffff888032372008 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  108.568425][    C0] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: ffff8880002066e0
[  108.571857][    C0] R13: dffffc0000000000 R14: ffffffff8c79f2a0 R15: ffff88800023c0d0
[  108.575325][    C0]  ? drm_fbdev_shmem_helper_fb_dirty+0x260/0x310
[  108.577984][    C0]  drm_fb_helper_damage_work+0x84c/0xf20
[  108.580343][    C0]  ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[  108.582991][    C0]  ? lock_acquire+0x115/0x350
[  108.585003][    C0]  ? rcu_is_watching+0x16/0xb0
[  108.587057][    C0]  ? process_scheduled_works+0x97a/0x1630
[  108.589528][    C0]  process_scheduled_works+0xc3d/0x1630
[  108.591895][    C0]  ? __pfx_process_scheduled_works+0x10/0x10
[  108.594475][    C0]  ? assign_work+0x3cf/0x5d0
[  108.596500][    C0]  worker_thread+0xa47/0xfb0
[  108.598527][    C0]  kthread+0x38b/0x480
[  108.600287][    C0]  ? __pfx_worker_thread+0x10/0x10
[  108.602124][    C0]  ? __pfx_kthread+0x10/0x10
[  108.604035][    C0]  ret_from_fork+0x514/0xb70
[  108.606979][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  108.609227][    C0]  ? __switch_to+0xc89/0x1420
[  108.611382][    C0]  ? __pfx_kthread+0x10/0x10
[  108.613410][    C0]  ret_from_fork_asm+0x1a/0x30
[  108.615523][    C0]  </TASK>
[  108.620449][    T9] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  108.630925][    T9] Workqueue: events drm_fb_helper_damage_work
[  108.633550][    T9] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  108.636404][    T9] Code: 27 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 4a 1a 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
[  108.644554][    T9] RSP: 0018:ffffc9000022f898 EFLAGS: 00010246
[  108.647267][    T9] RAX: 1ffff1100004781a RBX: 00000000fffffff4 RCX: 00000000fffffff4
[  108.650757][    T9] RDX: ffff8880002066e0 RSI: ffffffff8c79f2a0 RDI: ffffffff91867590
[  108.654273][    T9] RBP: ffff888032372008 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  108.657727][    T9] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: ffff8880002066e0
[  108.661214][    T9] R13: dffffc0000000000 R14: ffffffff8c79f2a0 R15: ffff88800023c0d0
[  108.664782][    T9] FS:  0000000000000000(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000
[  108.668614][    T9] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.671433][    T9] CR2: 00007f8ee02b1000 CR3: 000000001325a000 CR4: 0000000000352ef0
[  108.675000][    T9] Call Trace:
[  108.676509][    T9]  <TASK>
[  108.677784][    T9]  drm_fb_helper_damage_work+0x84c/0xf20
[  108.680278][    T9]  ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[  108.683106][    T9]  ? lock_acquire+0x115/0x350
[  108.685160][    T9]  ? rcu_is_watching+0x16/0xb0
[  108.687267][    T9]  ? process_scheduled_works+0x97a/0x1630
[  108.689730][    T9]  process_scheduled_works+0xc3d/0x1630
[  108.692174][    T9]  ? __pfx_process_scheduled_works+0x10/0x10
[  108.694908][    T9]  ? assign_work+0x3cf/0x5d0
[  108.696959][    T9]  worker_thread+0xa47/0xfb0
[  108.699024][    T9]  kthread+0x38b/0x480
[  108.700811][    T9]  ? __pfx_worker_thread+0x10/0x10
[  108.703050][    T9]  ? __pfx_kthread+0x10/0x10
[  108.704782][    T9]  ret_from_fork+0x514/0xb70
[  108.706748][    T9]  ? __pfx_ret_from_fork+0x10/0x10
[  108.709005][    T9]  ? __switch_to+0xc89/0x1420
[  108.711102][    T9]  ? __pfx_kthread+0x10/0x10
[  108.713261][    T9]  ret_from_fork_asm+0x1a/0x30
[  108.715410][    T9]  </TASK>
[  108.717115][    T9] Kernel panic - not syncing: kernel: panic_on_warn set ...
[  108.720281][    T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) 
[  108.724312][    T9] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[  108.728652][    T9] Workqueue: events drm_fb_helper_damage_work
[  108.731247][    T9] Call Trace:
[  108.732753][    T9]  <TASK>
[  108.734041][    T9]  vpanic+0x56d/0xa60
[  108.735755][    T9]  ? __pfx__printk+0x10/0x10
[  108.737850][    T9]  ? __pfx_vpanic+0x10/0x10
[  108.739774][    T9]  ? is_bpf_text_address+0x292/0x2b0
[  108.741781][    T9]  ? is_bpf_text_address+0x26/0x2b0
[  108.743934][    T9]  panic+0xc5/0xd0
[  108.745625][    T9]  ? __pfx_panic+0x10/0x10
[  108.747627][    T9]  ? ret_from_fork_asm+0x1a/0x30
[  108.749629][    T9]  __warn+0x315/0x4c0
[  108.751115][    T9]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  108.753648][    T9]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  108.756481][    T9]  __report_bug+0x276/0x570
[  108.758478][    T9]  ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310
[  108.761297][    T9]  ? __pfx___report_bug+0x10/0x10
[  108.763503][    T9]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  108.766243][    T9]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  108.769031][    T9]  report_bug_entry+0x19b/0x290
[  108.771207][    T9]  ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  108.773922][    T9]  ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310
[  108.776586][    T9]  handle_bug+0xce/0x200
[  108.778441][    T9]  exc_invalid_op+0x1a/0x50
[  108.780361][    T9]  asm_exc_invalid_op+0x1a/0x20
[  108.782481][    T9] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310
[  108.785500][    T9] Code: 27 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 4a 1a 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
[  108.793664][    T9] RSP: 0018:ffffc9000022f898 EFLAGS: 00010246
[  108.796307][    T9] RAX: 1ffff1100004781a RBX: 00000000fffffff4 RCX: 00000000fffffff4
[  108.799768][    T9] RDX: ffff8880002066e0 RSI: ffffffff8c79f2a0 RDI: ffffffff91867590
[  108.803217][    T9] RBP: ffff888032372008 R08: ffffffff917a927f R09: 1ffffffff22f524f
[  108.806648][    T9] R10: dffffc0000000000 R11: fffffbfff22f5250 R12: ffff8880002066e0
[  108.810017][    T9] R13: dffffc0000000000 R14: ffffffff8c79f2a0 R15: ffff88800023c0d0
[  108.813426][    T9]  ? drm_fbdev_shmem_helper_fb_dirty+0x260/0x310
[  108.816278][    T9]  drm_fb_helper_damage_work+0x84c/0xf20
[  108.818549][    T9]  ? __pfx_drm_fb_helper_damage_work+0x10/0x10
[  108.821327][    T9]  ? lock_acquire+0x115/0x350
[  108.823398][    T9]  ? rcu_is_watching+0x16/0xb0
[  108.825519][    T9]  ? process_scheduled_works+0x97a/0x1630
[  108.827997][    T9]  process_scheduled_works+0xc3d/0x1630
[  108.830388][    T9]  ? __pfx_process_scheduled_works+0x10/0x10
[  108.833011][    T9]  ? assign_work+0x3cf/0x5d0
[  108.835005][    T9]  worker_thread+0xa47/0xfb0
[  108.837179][    T9]  kthread+0x38b/0x480
[  108.838941][    T9]  ? __pfx_worker_thread+0x10/0x10
[  108.841202][    T9]  ? __pfx_kthread+0x10/0x10
[  108.843194][    T9]  ret_from_fork+0x514/0xb70
[  108.845244][    T9]  ? __pfx_ret_from_fork+0x10/0x10
[  108.847595][    T9]  ? __switch_to+0xc89/0x1420
[  108.849625][    T9]  ? __pfx_kthread+0x10/0x10
[  108.851497][    T9]  ret_from_fork_asm+0x1a/0x30
[  108.853408][    T9]  </TASK>
[  108.855092][    T9] Kernel Offset: disabled
[  108.856834][    T9] Rebooting in 86400 seconds..
[  102.283550][   T47] Bluetooth: hci0: command tx timeout
[  102.703879][ T5322] loop0: detected capacity change from 0 to 32768
[  102.706734][ T5322] =======================================================
[  102.706734][ T5322] WARNING: The mand mount option has been deprecated and
[  102.706734][ T5322]          and is ignored by this kernel. Remove the mand
[  102.706734][ T5322]          option from the mount to silence this warning.
[  102.706734][ T5322] =======================================================
[  102.783073][ T5322] JBD2: Ignoring recovery information on journal
[  102.837261][ T5322] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.