INFO: task syz-executor.0:8032 blocked for more than 143 seconds.
      Not tainted 5.4.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0  D26104  8032   7959 0x00004004
Call Trace:
 context_switch kernel/sched/core.c:3385 [inline]
 __schedule+0x8e1/0x1f30 kernel/sched/core.c:4081
 schedule+0xdc/0x2b0 kernel/sched/core.c:4155
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4214
 __mutex_lock_common kernel/locking/mutex.c:1036 [inline]
 __mutex_lock+0x7ab/0x13c0 kernel/locking/mutex.c:1106
 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1121
 perf_event_ctx_lock_nested+0x296/0x4c0 kernel/events/core.c:1278
 perf_event_ctx_lock kernel/events/core.c:1291 [inline]
 perf_event_release_kernel+0x121/0xef0 kernel/events/core.c:4736
 perf_release+0x37/0x50 kernel/events/core.c:4834
 __fput+0x2ff/0x890 fs/file_table.c:280
 ____fput+0x16/0x20 fs/file_table.c:313
 task_work_run+0x145/0x1c0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_usermode_loop+0x316/0x380 arch/x86/entry/common.c:164
 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:278 [inline]
 do_syscall_64+0x676/0x790 arch/x86/entry/common.c:304
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x413d81
Code: 89 44 24 10 e8 40 c1 04 00 48 8b 6c 24 18 48 83 c4 20 c3 48 8b 4c 24 30 48 89 0c 24 48 8b 4c 24 38 48 89 4c 24 08 48 89 44 24 <10> e8 99 0c 00 00 48 8b 44 24 40 eb b5 48 8b 44 24 40 eb ae 48 8b
RSP: 002b:00007fff51e55a80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000413d81
RDX: 0000001b2d220000 RSI: 0000000000000c65 RDI: 0000000000000003
RBP: 000000000071c980 R08: 00000000e1114c65 R09: 00000000e1114c69
R10: 00007fff51e55bb0 R11: 0000000000000293 R12: 0000000000000001
R13: 000000000071c980 R14: 0000000000721b70 R15: 00007fff51e55b90

Showing all locks held in the system:
1 lock held by khungtaskd/1113:
 #0: ffffffff895a4080 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 kernel/locking/lockdep.c:5334
3 locks held by rs:main Q:Reg/7782:
 #0: ffff88801b0a3de0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:801
 #1: ffff88802b744428 (sb_writers#4){.+.+}, at: file_start_write include/linux/fs.h:2878 [inline]
 #1: ffff88802b744428 (sb_writers#4){.+.+}, at: vfs_write+0x485/0x5d0 fs/read_write.c:557
 #2: ffff88802086d488 (&sb->s_type->i_mutex_key#10){+.+.}, at: inode_trylock include/linux/fs.h:811 [inline]
 #2: ffff88802086d488 (&sb->s_type->i_mutex_key#10){+.+.}, at: ext4_file_write_iter+0x220/0x13c0 fs/ext4/file.c:234
1 lock held by rsyslogd/7784:
 #0: ffff88802a04fae0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 fs/file.c:801
2 locks held by getty/7906:
 #0: ffff888029ad4090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340
 #1: ffffc900026e62e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
2 locks held by getty/7907:
 #0: ffff88802913f090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340
 #1: ffffc900040062e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
2 locks held by getty/7908:
 #0: ffff8880221e0090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340
 #1: ffffc900026ea2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
2 locks held by getty/7909:
 #0: ffff888025aa5090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340
 #1: ffffc9000400a2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
2 locks held by getty/7910:
 #0: ffff8880221fb090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340
 #1: ffffc900040022e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
2 locks held by getty/7911:
 #0: ffff88802a2de090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340
 #1: ffffc900026f22e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
2 locks held by getty/7912:
 #0: ffff88800063d090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:340
 #1: ffffc900026da2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 drivers/tty/n_tty.c:2156
1 lock held by sshd/7931:
 #0: ffff888026090298 (&iint->mutex){+.+.}, at: process_measurement+0x394/0x1810 security/integrity/ima/ima_main.c:249
1 lock held by syz-executor.0/8032:
 #0: ffff888012d0d0a0 (&ctx->mutex){+.+.}, at: perf_event_ctx_lock_nested+0x296/0x4c0 kernel/events/core.c:1278
4 locks held by syz-executor.0/8033:
1 lock held by syz-executor.1/8034:
 #0: ffffffff895a7d58 (rcu_state.barrier_mutex){+.+.}, at: rcu_barrier+0x47/0x350 kernel/rcu/tree.c:2926

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

NMI backtrace for cpu 1
CPU: 1 PID: 1113 Comm: khungtaskd Not tainted 5.4.0-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 nmi_cpu_backtrace.cold+0x70/0xb2 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x23b/0x28b lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline]
 watchdog+0xb11/0x10c0 kernel/hung_task.c:289
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Sending NMI from CPU 1 to CPUs 0,2-3:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60
NMI backtrace for cpu 2 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.102 msecs
NMI backtrace for cpu 3
CPU: 3 PID: 8033 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:25 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:200 [inline]
RIP: 0010:native_write_msr+0x6/0x30 arch/x86/include/asm/msr.h:164
Code: d0 c3 0f 21 d8 c3 0f 21 f0 c3 0f 0b 0f 1f 84 00 00 00 00 00 0f 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 89 f9 89 f0 0f 30 <0f> 1f 44 00 00 c3 55 48 c1 e2 20 89 f6 48 89 e5 48 09 d6 31 d2 e8
RSP: 0018:ffff88802d509288 EFLAGS: 00000082
RAX: 000000009ed873b6 RBX: 0000000000000000 RCX: 00000000000006e0
RDX: 0000000000000073 RSI: 000000009ed873b6 RDI: 00000000000006e0
RBP: ffff88802d5092a0 R08: ffff888011d08740 R09: ffff888011d08fd0
R10: fffffbfff146dba0 R11: ffffffff8a36dd07 R12: ffff88802d5227c0
R13: 00000000000002c1 R14: 0000000000000000 R15: 0000000000000001
FS:  00007faaf8d33700(0000) GS:ffff88802d500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 000000006ca4a000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 clockevents_program_event+0x25c/0x370 kernel/time/clockevents.c:334
 tick_program_event+0xb4/0x130 kernel/time/tick-oneshot.c:44
 hrtimer_interrupt+0x369/0x770 kernel/time/hrtimer.c:1651
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1110 [inline]
 smp_apic_timer_interrupt+0x160/0x610 arch/x86/kernel/apic/apic.c:1135
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
RIP: 0010:update_stack_state+0x5f/0x5f0 arch/x86/kernel/unwind_frame.c:196
Code: c9 16 89 48 c7 85 78 ff ff ff b3 8a b5 41 48 c7 45 88 50 22 33 81 48 89 b5 68 ff ff ff c7 01 f1 f1 f1 f1 c7 41 04 00 f3 f3 f3 <48> 89 f9 65 48 8b 1c 25 28 00 00 00 48 89 5d d0 31 db 48 c1 e9 03
RSP: 0018:ffff88802d5094b8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: ffff88802d509668 RCX: ffffed1005aa129f
RDX: 1ffff1100d951f1c RSI: ffff88806ca8f938 RDI: ffff88802d509668
RBP: ffff88802d509580 R08: ffff888011d08740 R09: ffff88802d5096c0
R10: ffff88802d509690 R11: ffff88802d5096a0 R12: 1ffff11005aa12b7
R13: ffff88802d509668 R14: 1ffff11005aa129f R15: ffff88806ca8f938
 unwind_next_frame.part.0+0x1a9/0xa20 arch/x86/kernel/unwind_frame.c:311
 unwind_next_frame+0x3b/0x50 arch/x86/kernel/unwind_frame.c:265
 arch_stack_walk+0x81/0xf0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xac/0xe0 kernel/stacktrace.c:123
 save_stack+0x23/0x90 mm/kasan/common.c:69
 set_track mm/kasan/common.c:77 [inline]
 __kasan_kmalloc mm/kasan/common.c:510 [inline]
 __kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:483
 kasan_slab_alloc+0xf/0x20 mm/kasan/common.c:518
 slab_post_alloc_hook mm/slab.h:584 [inline]
 slab_alloc_node mm/slab.c:3262 [inline]
 kmem_cache_alloc_node_trace+0x143/0x750 mm/slab.c:3592
 __do_kmalloc_node mm/slab.c:3614 [inline]
 __kmalloc_node_track_caller+0x3d/0x70 mm/slab.c:3629
 __kmalloc_reserve.isra.0+0x40/0xf0 net/core/skbuff.c:141
 __alloc_skb+0x10b/0x5e0 net/core/skbuff.c:209
 alloc_skb include/linux/skbuff.h:1049 [inline]
 new_skb+0x28/0x1d0 drivers/block/aoe/aoecmd.c:67
 aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:426 [inline]
 aoecmd_cfg+0x1b5/0x640 drivers/block/aoe/aoecmd.c:1372
 discover_timer+0x4e/0x60 drivers/block/aoe/aoemain.c:24
 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers kernel/time/timer.c:1773 [inline]
 __run_timers kernel/time/timer.c:1740 [inline]
 run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786
 __do_softirq+0x262/0x98c kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x19b/0x1e0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
 </IRQ>
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x4f/0x80 kernel/locking/spinlock.c:199
Code: c0 68 34 53 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 33 48 83 3d 12 2a 99 01 00 74 20 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 e7 6b 96 f9 65 8b 05 18 14 48 78 85 c0 74 06 41
RSP: 0018:ffff88806ca8f8d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff12a668d RBX: ffff888011d08740 RCX: 0000000000000006
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff888011d08fd4
RBP: ffff88806ca8f8e0 R08: 1ffffffff15d29b8 R09: fffffbfff15d29b9
R10: fffffbfff15d29b8 R11: ffffffff8ae94dc7 R12: ffff88802d537380
R13: ffff88802c4d0400 R14: ffff888021051400 R15: 0000000000000000
 finish_lock_switch kernel/sched/core.c:3124 [inline]
 finish_task_switch+0x147/0x750 kernel/sched/core.c:3224
 context_switch kernel/sched/core.c:3388 [inline]
 __schedule+0x8e9/0x1f30 kernel/sched/core.c:4081
 preempt_schedule_common+0x4f/0xe0 kernel/sched/core.c:4236
 preempt_schedule+0x4b/0x60 kernel/sched/core.c:4261
 ___preempt_schedule+0x16/0x18 arch/x86/entry/thunk_64.S:50
 smp_call_function_single+0x410/0x480 kernel/smp.c:313
 task_function_call+0xe9/0x180 kernel/events/core.c:114
 perf_install_in_context+0x308/0x5a0 kernel/events/core.c:2746
 __do_sys_perf_event_open+0x1cbc/0x2c70 kernel/events/core.c:11543
 __se_sys_perf_event_open kernel/events/core.c:11151 [inline]
 __x64_sys_perf_event_open+0xbe/0x150 kernel/events/core.c:11151
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45a759
Code: bd b1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 8b b1 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007faaf8d32c88 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 000000000071bf00 RCX: 000000000045a759
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000580
RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 00007faaf8d336d4
R13: 00000000004aec2b R14: 00000000006f1ca8 R15: 00000000ffffffff