rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (2799 ticks this GP) idle=b67/1/0x4000000000000000 softirq=17795/17795 fqs=5238 
	(t=10502 jiffies g=21133 q=2843)
NMI backtrace for cpu 1
CPU: 1 PID: 8031 Comm: syz.2.936 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <IRQ>
 dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x3a2/0x3d0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x163/0x280 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_dump_cpu_stacks+0x22d/0x380 kernel/rcu/tree_stall.h:349
 print_cpu_stall+0x31f/0x5f0 kernel/rcu/tree_stall.h:633
 check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
 rcu_pending kernel/rcu/tree.c:3936 [inline]
 rcu_sched_clock_irq+0x6ec/0x1120 kernel/rcu/tree.c:2619
 update_process_times+0x193/0x200 kernel/time/timer.c:2021
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x37d/0x560 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x4b0/0xb60 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x397/0x8b0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x4d/0xc0 arch/x86/kernel/apic/apic.c:1108
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:check_kcov_mode kernel/kcov.c:172 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x2a/0x60 kernel/kcov.c:206
Code: 48 8b 04 24 65 48 8b 0d 14 7d 89 7e 65 8b 15 15 7d 89 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 34 16 00 00 00 <74> 2c 8b 91 10 16 00 00 83 fa 02 75 21 48 8b 91 18 16 00 00 48 8b
RSP: 0018:ffffc90000dd0908 EFLAGS: 00000246
RAX: ffffffff893ee3fc RBX: ffff8880616f8498 RCX: ffff888021449dc0
RDX: 0000000000000100 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffff888021449dc0 R09: 000000000000000c
R10: 000000000000000c R11: 0000000000000100 R12: dffffc0000000000
R13: ffff8880616f8499 R14: ffff8880616f8499 R15: ffff8880616f8400
 __rhashtable_lookup include/linux/rhashtable.h:599 [inline]
 rhltable_lookup include/linux/rhashtable.h:688 [inline]
 sta_info_hash_lookup+0x2bc/0x580 net/mac80211/sta_info.c:162
 sta_info_get_bss+0xce/0x2a0 net/mac80211/sta_info.c:199
 __ieee80211_rx_handle_packet net/mac80211/rx.c:4865 [inline]
 ieee80211_rx_list+0x1b0b/0x25e0 net/mac80211/rx.c:4995
 ieee80211_rx_napi+0x17f/0x390 net/mac80211/rx.c:5018
 ieee80211_rx include/net/mac80211.h:4573 [inline]
 ieee80211_handle_queued_frames+0x104/0x1a0 net/mac80211/main.c:237
 tasklet_action_common+0x2ad/0x410 kernel/softirq.c:806
 handle_softirqs+0x336/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:lock_is_held_type+0x13a/0x190 kernel/locking/lockdep.c:5671
Code: 75 40 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 46 41 f7 c5 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 3c 89 e8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0018:ffffc90002ebf798 EFLAGS: 00000206
RAX: 6c14abe2f24f8200 RBX: ffff888021449dc0 RCX: 6c14abe2f24f8200
RDX: 0000000000000002 RSI: ffffffff8a2b3e80 RDI: ffffffff8a79c980
RBP: 0000000000000001 R08: dffffc0000000000 R09: 1ffffffff2039618
R10: dffffc0000000000 R11: fffffbfff2039619 R12: 0000000000000000
R13: 0000000000000246 R14: ffffffff8c31ef20 R15: ffff88802144a8b0
 BPF_PROG_RUN_ARRAY include/linux/bpf.h:1432 [inline]
 trace_call_bpf+0x19c/0x5b0 kernel/trace/bpf_trace.c:127
 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:10016
 perf_trace_lock+0x301/0x390 include/trace/events/lock.h:39
 trace_lock_release include/trace/events/lock.h:58 [inline]
 lock_release+0x84a/0x8a0 kernel/locking/lockdep.c:5634
 rcu_read_unlock include/linux/rcupdate.h:773 [inline]
 percpu_ref_tryget_many include/linux/percpu-refcount.h:250 [inline]
 percpu_ref_tryget+0xcf/0x150 include/linux/percpu-refcount.h:266
 obj_cgroup_tryget include/linux/memcontrol.h:800 [inline]
 get_obj_cgroup_from_current+0x21a/0x2f0 mm/memcontrol.c:2930
 memcg_slab_pre_alloc_hook mm/slab.h:283 [inline]
 slab_pre_alloc_hook+0x7d/0xc0 mm/slab.h:497
 slab_alloc_node mm/slub.c:3139 [inline]
 slab_alloc mm/slub.c:3233 [inline]
 kmem_cache_alloc+0x3d/0x280 mm/slub.c:3238
 __d_alloc+0x27/0x6d0 fs/dcache.c:1749
 d_alloc_pseudo+0x19/0x70 fs/dcache.c:1880
 alloc_file_pseudo+0xe0/0x200 fs/file_table.c:256
 __anon_inode_getfile fs/anon_inodes.c:109 [inline]
 anon_inode_getfile+0xc1/0x1a0 fs/anon_inodes.c:147
 __do_sys_perf_event_open kernel/events/core.c:12613 [inline]
 __se_sys_perf_event_open+0xc02/0x1bb0 kernel/events/core.c:12387
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff26a0f3e59
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:00007ff26834d028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007ff26a36cfa0 RCX: 00007ff26a0f3e59
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000003c0
RBP: 00007ff26a189e6f R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff26a36d038 R14: 00007ff26a36cfa0 R15: 00007fff8a0b9578
 </TASK>