INFO: task syz.1.37:5840 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.37        state:D stack:24824 pid:5840  tgid:5840  ppid:5610   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x1821/0x5740
 schedule+0x164/0x360
 schedule_preempt_disabled+0x13/0x30
 __mutex_lock+0x7f7/0x1550
 perf_event_ctx_lock_nested+0x3b8/0x490
 perf_event_release_kernel+0xda/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: 0033:0x7fa5de79cdd9
RSP: 002b:00007ffcd28b9458 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fa5dea17da0 RCX: 00007fa5de79cdd9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fa5dea17da0 R08: 0000000000000006 R09: 0000000000000000
R10: 00007fa5dea17cb0 R11: 0000000000000246 R12: 0000000000010a9c
R13: 00007fa5dea1609c R14: 0000000000010825 R15: 00007fa5dea16090
 </TASK>

Showing all locks held in the system:
3 locks held by kworker/0:1/10:
 #0: ffff88810006b140 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc900000f7c40 (rx_mode_work){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffffffff8fdd0340 (rtnl_mutex){+.+.}-{4:4}, at: netdev_rx_mode_work+0x19/0x3c0
3 locks held by kworker/u8:0/12:
 #0: ffff88817580c940 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc90000117c40 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffffffff8fdd0340 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x19/0x30
1 lock held by khungtaskd/35:
 #0: ffffffff8e95cd60 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
5 locks held by kworker/u11:0/54:
 #0: ffff888108359140 ((wq_completion)hci2){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc90000be7c40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffff88816e200ea0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff88816e2000b8 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0xa6f/0x1190
 #4: ffffffff8e963068 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x38d/0x770
3 locks held by kworker/u9:2/73:
 #0: ffff8881000ac140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc900017bfc40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffffffff8fdd0340 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60
3 locks held by kworker/0:2/935:
 #0: ffff88810006b140 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc90006a4fc40 ((work_completion)(&fw_work->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffffffff8fdd0340 (rtnl_mutex){+.+.}-{4:4}, at: regdb_fw_cb+0x7d/0x1c0
5 locks held by kworker/u11:1/5000:
 #0: ffff8881201f6140 ((wq_completion)hci5){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc90009d47c40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffff88810aaf0ea0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff88810aaf00b8 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0xa6f/0x1190
 #4: ffffffff8ff537e0 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340
2 locks held by getty/5437:
 #0: ffff8881109df0a0 (&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/u11:2/5613:
 #0: ffff88816c0b1940 ((wq_completion)hci0){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc90004fbfc40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffff88816edb8ea0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff88816edb80b8 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0xa6f/0x1190
 #4: ffffffff8ff537e0 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340
 #5: ffff888108358af8 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x92/0x570
4 locks held by kworker/u11:3/5616:
 #0: ffff88802f0fe140 ((wq_completion)hci9#2){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc90004fdfc40 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffff88810ebc00b8 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x950
 #3: ffffffff8ff537e0 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x54c/0x950
5 locks held by kworker/u11:4/5618:
 #0: ffff888108359940 ((wq_completion)hci1){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc90004fefc40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffff888115da4ea0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff888115da40b8 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0xa6f/0x1190
 #4: ffffffff8ff537e0 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340
5 locks held by kworker/u11:5/5620:
 #0: ffff88816b07e940 ((wq_completion)hci3){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc90006807c40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffff88801f9c0ea0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff88801f9c00b8 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0xa6f/0x1190
 #4: ffffffff8ff537e0 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340
5 locks held by kworker/u11:6/5622:
 #0: ffff888026410940 ((wq_completion)hci4){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc90006827c40 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffff888110b28ea0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1d3/0x400
 #3: ffff888110b280b8 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0xa6f/0x1190
 #4: ffffffff8ff537e0 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_failed+0x165/0x340
4 locks held by kworker/0:5/5678:
 #0: ffff888100692d40 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc90006b3fc40 ((work_completion)(&(&ssp->srcu_sup->work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffffffff8e95dc48 (&ssp->srcu_sup->srcu_gp_mutex){+.+.}-{4:4}, at: process_srcu+0x6e/0x1630
 #3: ffffffff8e963068 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x38d/0x770
2 locks held by kworker/0:6/5691:
 #0: ffff88810006b140 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc90006cb7c40 (free_ipc_work){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
1 lock held by syz.1.37/5840:
 #0: ffff88816a2758a0 (&ctx->mutex){+.+.}-{4:4}, at: perf_event_ctx_lock_nested+0x3b8/0x490
10 locks held by syz.1.37/5841:
1 lock held by syz.0.39/5846:
 #0: ffffffff8e9ce6e0 (event_mutex){+.+.}-{4:4}, at: perf_trace_destroy+0x2e/0x150
3 locks held by kworker/0:7/5856:
 #0: ffff888100069d40 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc90007327c40 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffffffff8fdd0340 (rtnl_mutex){+.+.}-{4:4}, at: reg_check_chans_work+0xab/0x1090
1 lock held by syz-executor/5898:
 #0: ffffffff8fdd0340 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
1 lock held by syz-executor/5905:
 #0: ffffffff8fdd0340 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
1 lock held by syz-executor/5909:
 #0: ffffffff8fdd0340 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
3 locks held by kworker/0:8/5915:
 #0: ffff888100692d40 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc90007317c40 ((work_completion)(&(&ssp->srcu_sup->work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffffffff8e9bcfa8 (&ssp->srcu_sup->srcu_gp_mutex){+.+.}-{4:4}, at: process_srcu+0x6e/0x1630
1 lock held by syz-executor/5918:
 #0: ffffffff8fdd0340 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
4 locks held by kworker/u11:8/5927:
 #0: ffff888020d37940 ((wq_completion)hci10#2){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc900071c7c40 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffff8881128bc0b8 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x950
 #3: ffffffff8ff537e0 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x54c/0x950
1 lock held by syz-executor/5928:
 #0: ffffffff8fdd0340 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0
4 locks held by kworker/u11:9/5929:
 #0: ffff888020d36140 ((wq_completion)hci11#2){+.+.}-{0:0}, at: process_scheduled_works+0xa35/0x1860
 #1: ffffc90007197c40 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0xa70/0x1860
 #2: ffff88811f78c0b8 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x950
 #3: ffffffff8ff537e0 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x54c/0x950
1 lock held by syz-executor/5931:
 #0: ffffffff8fdd0340 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x404/0x1ad0

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

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 35 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: 5841 Comm: syz.1.37 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:__remove_hrtimer+0xf7/0x3e0
Code: 45 88 66 38 49 8d 7e 18 48 89 f8 48 c1 e8 03 80 3c 28 00 74 05 e8 69 3b 7e 00 4d 8b 6e 18 49 8d 77 58 4c 89 f7 e8 59 45 f1 09 <84> c0 74 2e e8 00 fa 12 00 4d 85 ed 0f 84 8a 00 00 00 e8 f2 f9 12
RSP: 0018:ffffc90000a07e68 EFLAGS: 00000086
RAX: 1ffff110478c5001 RBX: 1ffff1102ede28c2 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888176f14600
RBP: dffffc0000000000 R08: ffff888176f145ff R09: 0000000000000000
R10: ffff888176f145f0 R11: ffffed102ede28c0 R12: 0000000000000000
R13: 0000000000000000 R14: ffff888176f145d8 R15: ffff88823c628340
FS:  00007fa5df6ac6c0(0000) GS:ffff8882a9289000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005620a1080680 CR3: 0000000174a4a000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 __hrtimer_run_queues+0x299/0xa20
 hrtimer_interrupt+0x44b/0x950
 __sysvec_apic_timer_interrupt+0x102/0x430
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:lock_acquire+0x221/0x350
Code: ff ff ff e8 01 12 07 0a f7 44 24 08 00 02 00 00 0f 84 3a ff ff ff 65 48 8b 05 eb bc 97 11 48 3b 44 24 58 75 33 fb 48 83 c4 60 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 50 05 0a 0a cc 48 8d 3d 78 63 92
RSP: 0018:ffffc90000a08198 EFLAGS: 00000282
RAX: 286febbe945fab00 RBX: 0000000000000000 RCX: 0000000000000504
RDX: 00000000eff79dec RSI: ffffffff8e21d80b RDI: ffffffff8c28b0e0
RBP: ffffffff8176f256 R08: ffffffff8176f256 R09: ffffffff8e95cd60
R10: ffffc90000a082f8 R11: ffffffff81b0eb70 R12: 0000000000000002
R13: ffffffff8e95cd60 R14: 0000000000000000 R15: 0000000000000246
 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_lru_noprof+0x2b8/0x640
 xas_create+0x116b/0x1b90
 xas_store+0x95/0x1880
 __xa_store+0xe9/0x210
 xa_store+0x33/0x50
 hsr_get_seq_block+0x2ba/0x430
 hsr_check_duplicate+0x9e/0x170
 hsr_forward_skb+0xf6e/0x2a80
 send_hsr_supervision_frame+0x731/0xcb0
 hsr_announce+0x1db/0x370
 call_timer_fn+0x192/0x5e0
 __run_timer_base+0x652/0x8b0
 run_timer_softirq+0xb7/0x170
 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:finish_task_switch+0x427/0xbe0
Code: 41 c7 84 24 e0 0d 00 00 00 00 00 00 0f 1f 44 00 00 49 83 c4 48 4c 89 e7 e8 06 7a 16 0a e8 61 f7 38 00 fb 49 8d bd b0 16 00 00 <48> 89 f8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 7b 03 00 00 41 80
RSP: 0018:ffffc900072a7930 EFLAGS: 00000206
RAX: 00000000007368b1 RBX: 1ffff110478c7784 RCX: 0000000080000001
RDX: 0000000000000006 RSI: ffffffff8dfaa584 RDI: ffff8881091a3430
RBP: ffffc900072a7990 R08: ffffffff9030b8f7 R09: 1ffffffff206171e
R10: dffffc0000000000 R11: fffffbfff206171f R12: ffff88823c63ae88
R13: ffff8881091a1d80 R14: ffff888111a1bb00 R15: dffffc0000000000
 __schedule+0x1829/0x5740
 preempt_schedule_irq+0x4d/0xa0
 irqentry_exit+0x14f/0x760
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:perf_unpin_context+0x0/0x70
Code: f1 80 e1 07 80 c1 03 38 c1 7c b6 4c 89 f7 e8 07 74 36 00 eb ac 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <41> 56 53 48 89 fb e8 c5 32 cb ff 48 89 df e8 8d df b0 09 48 8d 8b
RSP: 0018:ffffc900072a7cf8 EFLAGS: 00000246
RAX: 286febbe945fab00 RBX: ffff8881091a1d80 RCX: 0000000000080000
RDX: ffffc90008aa6000 RSI: 0000000000000756 RDI: ffff88816a275800
RBP: ffffc900072a7ee0 R08: ffffffff9030b8f7 R09: 1ffffffff206171e
R10: dffffc0000000000 R11: fffffbfff206171f R12: 1ffff92000e54fb0
R13: ffff888176f14468 R14: ffff888176f146b0 R15: ffff88816a275800
 __se_sys_perf_event_open+0x190a/0x1d40
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa5de79cdd9
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:00007fa5df6ac028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fa5dea15fa0 RCX: 00007fa5de79cdd9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000540
RBP: 00007fa5de832d69 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa5dea16038 R14: 00007fa5dea15fa0 R15: 00007ffcd28b92f8
 </TASK>
