syzbot

rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=b02/1/0x4000000000000000 softirq=195863/195864 fqs=5246 
	(t=10502 jiffies g=362157 q=709)
NMI backtrace for cpu 0
CPU: 0 PID: 27856 Comm: syz-executor.2 Not tainted 5.9.0-rc8-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x198/0x1fd lib/dump_stack.c:118
 nmi_cpu_backtrace.cold+0x70/0xb1 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1b3/0x223 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x1e3/0x21e kernel/rcu/tree_stall.h:318
 print_cpu_stall kernel/rcu/tree_stall.h:551 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:625 [inline]
 rcu_pending kernel/rcu/tree.c:3639 [inline]
 rcu_sched_clock_irq.cold+0x4db/0xdfd kernel/rcu/tree.c:2521
 update_process_times+0x25/0xa0 kernel/time/timer.c:1710
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:176
 tick_sched_timer+0x1d1/0x2a0 kernel/time/tick-sched.c:1328
 __run_hrtimer kernel/time/hrtimer.c:1524 [inline]
 __hrtimer_run_queues+0x1d5/0xfc0 kernel/time/hrtimer.c:1588
 hrtimer_interrupt+0x334/0x940 kernel/time/hrtimer.c:1650
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline]
 __sysvec_apic_timer_interrupt+0x147/0x5f0 arch/x86/kernel/apic/apic.c:1097
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_sysvec_on_irqstack arch/x86/include/asm/irq_stack.h:37 [inline]
 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:89 [inline]
 sysvec_apic_timer_interrupt+0xb2/0xf0 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581
RIP: 0010:__pmu_filter_match kernel/events/core.c:2199 [inline]
RIP: 0010:pmu_filter_match kernel/events/core.c:2217 [inline]
RIP: 0010:event_filter_match kernel/events/core.c:2228 [inline]
RIP: 0010:event_filter_match kernel/events/core.c:2225 [inline]
RIP: 0010:perf_iterate_sb_cpu kernel/events/core.c:7286 [inline]
RIP: 0010:perf_iterate_sb+0x735/0x9c0 kernel/events/core.c:7318
Code: 8d 7b 10 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 59 02 00 00 48 8b 43 10 4c 8d 60 f0 49 39 dc 0f 84 75 fe ff ff e8 eb 29 e5 ff <49> 8d bc 24 98 00 00 00 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 16
RSP: 0018:ffffc900057c7a80 EFLAGS: 00000246
RAX: 0000000000040000 RBX: ffff888060cb9000 RCX: ffffc9000cacb000
RDX: 0000000000040000 RSI: ffffffff819114a5 RDI: ffff888093c5d010
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8d0c29e7
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888093c5d000
R13: 0000000000000000 R14: ffffffff8190fe80 R15: ffffc900057c7b18
 perf_event_ksymbol+0x246/0x360 kernel/events/core.c:8532
 perf_event_bpf_emit_ksymbols kernel/events/core.c:8588 [inline]
 perf_event_bpf_event+0x413/0x4d0 kernel/events/core.c:8619
 __bpf_prog_put.constprop.0+0x74/0x250 kernel/bpf/syscall.c:1740
 bpf_prog_put kernel/bpf/syscall.c:1750 [inline]
 link_create kernel/bpf/syscall.c:3937 [inline]
 __do_sys_bpf+0x1780/0x4c60 kernel/bpf/syscall.c:4248
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45de59
Code: 0d 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f0390edfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000001780 RCX: 000000000045de59
RDX: 0000000000000028 RSI: 00000000200000c0 RDI: 000000000000000a
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe9cdd0e3f R14: 00007f0390ee09c0 R15: 000000000118bf2c