INFO: task syz.0.98:5998 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.98        state:D stack:25592 pid:5998  tgid:5998  ppid:5617   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x1821/0x5740
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7f7/0x1550
 perf_trace_destroy+0x2e/0x150
 __free_event+0x31e/0x7a0
 perf_event_release_kernel+0x45b/0x510
 perf_release+0x38/0x50
 __fput+0x44f/0xa60
 task_work_run+0x1d9/0x270
 exit_to_user_mode_loop+0xf3/0x4d0
 do_syscall_64+0x33e/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1d2999cdd9
RSP: 002b:00007ffc68c63988 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffc68c63a70 RCX: 00007f1d2999cdd9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000012641 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b32820000 R11: 0000000000000246 R12: 00007ffc68c63ab0
R13: 00007f1d29c15fac R14: 0000000000012695 R15: 00007f1d29c15fa0
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/34:
 #0: ffffffff8e95cd60 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
4 locks held by kworker/u10:3/62:
 #0: ffff8881000ac140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc9000174fc40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffffffff8e7eb750 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_enable+0x12/0x20
 #3: ffffffff8ea2f280 (jump_label_mutex){+.+.}-{4:4}, at: static_key_enable_cpuslocked+0xcb/0x240
3 locks held by kworker/u9:3/1110:
 #0: ffff8881000ac140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc90007387c40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffffffff8fdd0bc0 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60
2 locks held by getty/5436:
 #0: ffff8881780b50a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
 #1: ffffc900034732e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13a0
6 locks held by kworker/u8:2/5505:
 #0: ffff8881012b5940 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc900041efc40 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffffffff8fdc1ee8 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xf4/0x800
 #3: ffff8881ba064128 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x129/0x420
 #4: ffff8881ba06b258 (&devlink->lock_key#3){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x142/0x420
 #5: ffffffff8fdd0bc0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_dev_lock+0x257/0x2f0
3 locks held by kworker/u8:4/5675:
 #0: ffff88810d131140 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc90004c5fc40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffffffff8fdd0bc0 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11e/0x14c0
3 locks held by kworker/0:5/5716:
 #0: ffff88810006b140 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc90004defc40 (rx_mode_work){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffffffff8fdd0bc0 (rtnl_mutex){+.+.}-{4:4}, at: netdev_rx_mode_work+0x19/0x3c0
3 locks held by kworker/1:6/5732:
 #0: ffff888100069d40 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc90004eafc40 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffffffff8fdd0bc0 (rtnl_mutex){+.+.}-{4:4}, at: reg_check_chans_work+0xab/0x1090
10 locks held by syz.1.96/5994:
1 lock held by syz.0.98/5998:
 #0: ffffffff8e9ce6e0 (event_mutex){+.+.}-{4:4}, at: perf_trace_destroy+0x2e/0x150
1 lock held by syz-executor/6006:
 #0: ffffffff8fdd0bc0 (rtnl_mutex){+.+.}-{4:4}, at: tun_chr_close+0x3e/0x1c0
1 lock held by syz-executor/6012:
 #0: ffffffff8e962f38 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x4c/0x580
2 locks held by syz-executor/6018:
 #0: ffffffff8fdd0bc0 (rtnl_mutex){+.+.}-{4:4}, at: tun_chr_close+0x3e/0x1c0
 #1: ffffffff8e963068 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2d0/0x770
2 locks held by syz-executor/6103:
 #0: ffffffff8fdc1ee8 (pernet_ops_rwsem){++++}-{4:4}, at: copy_net_ns+0x4f7/0x730
 #1: ffffffff8fdd0bc0 (rtnl_mutex){+.+.}-{4:4}, at: ip_tunnel_init_net+0x2d7/0x840
1 lock held by syz-executor/6109:
 #0: ffffffff8fdd0bc0 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
1 lock held by syz-executor/6112:
 #0: ffffffff8fdd0bc0 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
1 lock held by syz-executor/6139:
 #0: ffffffff8fdd0bc0 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
1 lock held by syz-executor/6143:
 #0: ffffffff8fdd0bc0 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
1 lock held by syz-executor/6144:
 #0: ffffffff8fdd0bc0 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0

=============================================

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 34 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150
 nmi_cpu_backtrace+0x274/0x2d0
 nmi_trigger_cpumask_backtrace+0x17a/0x300
 sys_info+0x135/0x170
 watchdog+0xfd3/0x1030
 kthread+0x388/0x470
 ret_from_fork+0x514/0xb70
 ret_from_fork_asm+0x1a/0x30
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 5994 Comm: syz.1.96 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:lock_acquire+0x221/0x350
Code: ff ff ff e8 d1 36 08 0a f7 44 24 08 00 02 00 00 0f 84 3a ff ff ff 65 48 8b 05 bb 01 98 11 48 3b 44 24 58 75 33 fb 48 83 c4 60 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 8d 3d 48 61 92
RSP: 0018:ffffc90000a085b8 EFLAGS: 00000286
RAX: df91a5815769c700 RBX: 0000000000000000 RCX: 0000000000000102
RDX: 00000000a42637f2 RSI: ffffffff8e21f066 RDI: ffffffff8c28bae0
RBP: ffffffff8176f256 R08: ffffffff8176f256 R09: ffffffff8e95cd60
R10: ffffc90000a08718 R11: ffffffff81b0f6a0 R12: 0000000000000002
R13: ffffffff8e95cd60 R14: 0000000000000000 R15: 0000000000000246
FS:  00007f963d5b26c0(0000) GS:ffff8882a9284000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f93c23d3b90 CR3: 000000016c7de000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 unwind_next_frame+0xc3/0x2550
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_node_noprof+0x384/0x690
 __alloc_skb+0x1d0/0x7d0
 __netdev_alloc_skb+0xc1/0x810
 __ieee80211_beacon_get+0xc06/0x1880
 ieee80211_beacon_get_tim+0xbd/0x2c0
 mac80211_hwsim_beacon_tx+0x3c5/0x870
 __iterate_interfaces+0x2ab/0x590
 ieee80211_iterate_active_interfaces_atomic+0xdb/0x180
 mac80211_hwsim_beacon+0xbb/0x180
 __hrtimer_run_queues+0x3c0/0xa20
 hrtimer_run_softirq+0x17a/0x240
 handle_softirqs+0x22a/0x840
 __irq_exit_rcu+0xca/0x220
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80
Code: f7 e8 4d c2 f5 f5 f7 c3 00 02 00 00 74 05 e8 00 58 21 f6 9c 58 a9 00 02 00 00 75 27 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 24 43 e7 f5 65 8b 05 0d 20 8d 07 85 c0 74 18 5b 41 5e c3 cc cc
RSP: 0018:ffffc900070270d8 EFLAGS: 00000206
RAX: 0000000000000006 RBX: 0000000000000202 RCX: 0000000000000002
RDX: 0000000000000006 RSI: ffffffff8dfabd2a RDI: 0000000000000001
RBP: ffff88810009b838 R08: ffffffff9030c1f7 R09: 1ffffffff206183e
R10: dffffc0000000000 R11: fffffbfff206183f R12: 1ffff11020013640
R13: dffffc0000000000 R14: ffffffff8ea5fce0 R15: ffff88810009b200
 __mmdrop+0x420/0x750
 finish_task_switch+0x624/0xbe0
 __schedule+0x1829/0x5740
 preempt_schedule_irq+0x4d/0xa0
 irqentry_exit+0x14f/0x760
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:insn_get_prefixes+0x4/0x1ca0
Code: 89 d9 80 e1 07 38 c1 7c c4 48 89 df e8 15 2f 89 f6 eb ba 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6 <55> 41 57 41 56 41 55 41 54 53 48 81 ec a0 00 00 00 49 89 fd 49 bc
RSP: 0018:ffffc900070274f0 EFLAGS: 00000246
RAX: ffffffff8ba91627 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: ffff88816c130000 RSI: 0000000000000000 RDI: ffffc90007027780
RBP: 0000000000000000 R08: ffffc900070277ef R09: 0000000000000000
R10: ffffc90007027780 R11: fffff52000e04efe R12: ffffc9000702779c
R13: ffffc900070277a4 R14: ffffc90007027780 R15: 0000000000000000
 insn_get_opcode+0x6e/0x11b0
 insn_get_modrm+0x64/0x7d0
 insn_get_displacement+0x155/0x9f0
 insn_get_immediate+0x64/0x1280
 insn_decode+0x30e/0x4f0
 __jump_label_patch+0x114/0x4a0
 arch_jump_label_transform_queue+0x69/0x110
 __jump_label_update+0x185/0x380
 static_key_enable_cpuslocked+0x128/0x240
 static_key_enable+0x1a/0x20
 tracepoint_add_func+0x8c8/0xa60
 tracepoint_probe_register+0x5d/0x90
 perf_trace_event_init+0x4e1/0x9d0
 perf_trace_init+0x23d/0x2d0
 perf_tp_event_init+0x8d/0x120
 perf_try_init_event+0x17f/0x870
 perf_event_alloc+0x13a0/0x2d50
 __se_sys_perf_event_open+0x7a9/0x1d40
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f963c79cdd9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f963d5b2028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f963ca15fa0 RCX: 00007f963c79cdd9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000180
RBP: 00007f963c832d69 R08: 000000000000000a R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f963ca16038 R14: 00007f963ca15fa0 R15: 00007ffe9f9fc848
 </TASK>
