rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=9de/1/0x4000000000000002 softirq=75753/75755 fqs=5242 
	(detected by 1, t=10502 jiffies, g=124837, q=2836)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1105 Comm: syz-executor.3 Not tainted 5.9.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:26 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:163 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x9/0x60 kernel/kcov.c:197
Code: 5d be 03 00 00 00 e9 a6 36 27 02 66 0f 1f 44 00 00 48 8b be b0 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 65 48 8b 14 25 c0 fe 01 00 <65> 8b 05 a0 93 8d 7e a9 00 01 ff 00 48 8b 34 24 74 0f f6 c4 01 74
RSP: 0018:ffffc90000007598 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 1ffff92000000eb4 RCX: ffffffff818f1919
RDX: ffff88805d6f2300 RSI: ffffc90000007800 RDI: ffff8880a45a9000
RBP: ffff8880a45a9448 R08: 0000000000000000 R09: ffff8880a45a944b
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880a45a9000
R13: ffffc90000007800 R14: ffff8880ae631bc8 R15: 0000000000000000
FS:  00007fcd8e2e7700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000944b4000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 rcu_read_lock include/linux/rcupdate.h:632 [inline]
 __perf_event_output kernel/events/core.c:7168 [inline]
 perf_event_output_forward+0x7b/0x270 kernel/events/core.c:7190
 __perf_event_overflow+0x13c/0x370 kernel/events/core.c:8845
 perf_swevent_overflow kernel/events/core.c:8921 [inline]
 perf_swevent_event+0x347/0x550 kernel/events/core.c:8949
 perf_tp_event+0x2e4/0xb50 kernel/events/core.c:9377
 perf_trace_run_bpf_submit+0x11c/0x200 kernel/events/core.c:9351
 perf_trace_preemptirq_template+0x289/0x440 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle include/trace/events/preemptirq.h:40 [inline]
 trace_irq_enable_rcuidle include/trace/events/preemptirq.h:40 [inline]
 trace_hardirqs_on+0x18a/0x220 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x12/0x20 arch/x86/include/asm/idtentry.h:611
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:770 [inline]
RIP: 0010:rcu_read_unlock_special kernel/rcu/tree_plugin.h:630 [inline]
RIP: 0010:__rcu_read_unlock+0x488/0x560 kernel/rcu/tree_plugin.h:395
Code: 48 c7 c0 48 36 b6 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 53 48 83 3d 77 46 54 08 00 74 13 4c 89 e7 57 9d <0f> 1f 44 00 00 e9 ed fb ff ff 0f 0b 0f 0b 0f 0b 0f 0b 4c 89 ef e8
RSP: 0018:ffffc90000007c60 EFLAGS: 00000282
RAX: 1ffffffff136c6c9 RBX: ffffffff89bd9c01 RCX: 0000000000000002
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282
RBP: 0000000000000001 R08: 0000000000000001 R09: ffffffff8c5f5ab7
R10: fffffbfff18beb56 R11: 0000000000000001 R12: 0000000000000282
R13: 0000000000000200 R14: ffff8880ae636c40 R15: 0000000000000000
 rcu_read_unlock include/linux/rcupdate.h:687 [inline]
 hsr_announce+0x201/0x320 net/hsr/hsr_device.c:409
 call_timer_fn+0x1ac/0x760 kernel/time/timer.c:1413
 expire_timers kernel/time/timer.c:1458 [inline]
 __run_timers.part.0+0x67c/0xaa0 kernel/time/timer.c:1755
 __run_timers kernel/time/timer.c:1736 [inline]
 run_timer_softirq+0xae/0x1a0 kernel/time/timer.c:1768
 __do_softirq+0x2de/0xa24 kernel/softirq.c:298
 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline]
 do_softirq_own_stack+0x9d/0xd0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:393 [inline]
 __irq_exit_rcu kernel/softirq.c:423 [inline]
 irq_exit_rcu+0x1f3/0x230 kernel/softirq.c:435
 sysvec_apic_timer_interrupt+0x51/0xf0 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:770 [inline]
RIP: 0010:generic_exec_single+0x309/0x480 kernel/smp.c:172
Code: 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 63 01 00 00 48 83 3d af d8 4c 08 00 0f 84 dc 00 00 00 e8 2c 0d 0b 00 48 89 df 57 9d <0f> 1f 44 00 00 45 31 e4 e9 e1 fd ff ff e8 15 0d 0b 00 0f 0b e9 42
RSP: 0018:ffffc9000744fb08 EFLAGS: 00000216
RAX: 0000000000005e91 RBX: 0000000000000216 RCX: ffffc9000f4d1000
RDX: 0000000000040000 RSI: ffffffff81695da4 RDI: 0000000000000216
RBP: 0000000000000200 R08: 0000000000000001 R09: ffffffff8c5f5abf
R10: fffffbfff18beb57 R11: 0000000000000001 R12: ffffc9000744fb80
R13: ffffffff818e3de0 R14: ffffc9000744fc48 R15: 1ffff92000e89f9e
 smp_call_function_single+0x186/0x4f0 kernel/smp.c:379
 task_function_call+0xd7/0x160 kernel/events/core.c:116
 perf_install_in_context+0x2cb/0x550 kernel/events/core.c:2895
 __do_sys_perf_event_open+0x1c31/0x2cb0 kernel/events/core.c:11992
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5b9
Code: 5d b4 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fcd8e2e6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 0000000000024780 RCX: 000000000045d5b9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040
RBP: 000000000118cf90 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000118cf4c
R13: 00007fffcc30da5f R14: 00007fcd8e2e79c0 R15: 000000000118cf4c