rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-....: (33 ticks this GP) idle=551/1/0x4000000000000002 softirq=10086/10086 fqs=379 
	(detected by 0, t=10502 jiffies, g=11469, q=467)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5849 Comm: syz.0.432 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:check_kcov_mode kernel/kcov.c:172 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:227 [inline]
RIP: 0010:__sanitizer_cov_trace_switch+0x7e/0xe0 kernel/kcov.c:329
Code: c8 74 77 4e 8b 54 ce 10 65 44 8b 1d 74 36 89 7e 41 81 e3 00 01 ff 00 74 13 41 81 fb 00 01 00 00 75 d9 41 83 b8 34 16 00 00 00 <74> cf 45 8b 98 10 16 00 00 41 83 fb 03 75 c2 4d 8b 98 18 16 00 00
RSP: 0018:ffffc90000dd0238 EFLAGS: 00000046
RAX: 0000000000000020 RBX: 0000002fff3be700 RCX: 0000000000000005
RDX: ffffffff817c236e RSI: ffffffff8c360000 RDI: 0000000000000005
RBP: 0000000000000005 R08: ffff88807c253b80 R09: 0000000000000012
R10: 0000000000000012 R11: 0000000000000100 R12: ffff888017a42a30
R13: 0000000000000a20 R14: dffffc0000000000 R15: 00000000000b6645
FS:  00007fdceea8b6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f86797a1ff8 CR3: 0000000059195000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 check_buffer+0x2ae/0x890 kernel/trace/ring_buffer.c:3451
 __rb_reserve_next+0x511/0xd70 kernel/trace/ring_buffer.c:3580
 rb_reserve_next_event kernel/trace/ring_buffer.c:3715 [inline]
 ring_buffer_lock_reserve+0xadd/0xed0 kernel/trace/ring_buffer.c:3774
 __trace_buffer_lock_reserve kernel/trace/trace.c:942 [inline]
 trace_event_buffer_lock_reserve+0xd4/0x6a0 kernel/trace/trace.c:2819
 trace_event_buffer_reserve+0x2a8/0x3d0 kernel/trace/trace_events.c:627
 trace_event_raw_event_bpf_trace_printk+0x138/0x280 kernel/trace/bpf_trace.h:11
 trace_bpf_trace_printk kernel/trace/bpf_trace.h:11 [inline]
 ____bpf_trace_printk kernel/trace/bpf_trace.c:383 [inline]
 bpf_trace_printk+0x2f0/0x360 kernel/trace/bpf_trace.c:366
 bpf_prog_ab10edc23ce44ec6+0x35/0x470
 bpf_dispatcher_nop_func include/linux/bpf.h:888 [inline]
 __bpf_prog_run include/linux/filter.h:628 [inline]
 bpf_prog_run include/linux/filter.h:635 [inline]
 BPF_PROG_RUN_ARRAY include/linux/bpf.h:1439 [inline]
 trace_call_bpf+0x2b1/0x5b0 kernel/trace/bpf_trace.c:127
 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:10016
 perf_trace_preemptirq_template+0x2aa/0x360 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 32 e1 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc90000dd0b00 EFLAGS: 00000206
RAX: 888535ff75261700 RBX: 1ffff920001ba164 RCX: 888535ff75261700
RDX: dffffc0000000000 RSI: ffffffff8a2b2800 RDI: ffffffff8a79fe40
RBP: ffffc90000dd0bd8 R08: ffff8880b913b30b R09: 1ffff11017227661
R10: dffffc0000000000 R11: ffffed1017227662 R12: ffffffff8c323000
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000002
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 ieee80211_iterate_active_interfaces_atomic+0x132/0x140 net/mac80211/util.c:831
 mac80211_hwsim_beacon+0x9b/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x4f2/0xb70 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
 handle_softirqs+0x339/0x830 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:on_stack arch/x86/include/asm/stacktrace.h:56 [inline]
RIP: 0010:unwind_next_frame+0x11dc/0x1d90 arch/x86/kernel/unwind_orc.c:609
Code: 42 80 3c 28 00 74 05 e8 22 25 89 00 4c 8b 63 08 4c 8d 73 10 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 04 25 89 00 <49> 8b 06 4d 39 fc 0f 96 c1 4c 39 f8 0f 97 c2 20 ca 80 fa 01 0f 85
RSP: 0018:ffffc900031cf888 EFLAGS: 00000246
RAX: 1ffff92000639f2b RBX: ffffc900031cf948 RCX: 0000000000000001
RDX: ffffc900031cf988 RSI: ffffc900031cfd00 RDI: ffffc900031cf950
RBP: ffffc900031cf990 R08: ffffc900031cf9a7 R09: ffffc900031cf998
R10: dffffc0000000000 R11: fffff52000639f35 R12: ffffc900031c8000
R13: dffffc0000000000 R14: ffffc900031cf958 R15: ffffc900031cfd10
 arch_stack_walk+0x10c/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 __kasan_slab_alloc+0x9c/0xd0 mm/kasan/common.c:467
 kasan_slab_alloc include/linux/kasan.h:254 [inline]
 slab_post_alloc_hook+0x4c/0x380 mm/slab.h:519
 slab_alloc_node mm/slub.c:3225 [inline]
 slab_alloc mm/slub.c:3233 [inline]
 kmem_cache_alloc+0x100/0x290 mm/slub.c:3238
 kmem_cache_zalloc include/linux/slab.h:728 [inline]
 lsm_inode_alloc security/security.c:596 [inline]
 security_inode_alloc+0x30/0x110 security/security.c:1034
 inode_init_always+0x8f4/0xcb0 fs/inode.c:232
 alloc_inode fs/inode.c:268 [inline]
 new_inode_pseudo+0x8e/0x210 fs/inode.c:1001
 sock_alloc net/socket.c:628 [inline]
 __sock_create+0x129/0x900 net/socket.c:1459
 sock_create net/socket.c:1551 [inline]
 __sys_socketpair+0x1bd/0x540 net/socket.c:1651
 __do_sys_socketpair net/socket.c:1704 [inline]
 __se_sys_socketpair net/socket.c:1701 [inline]
 __x64_sys_socketpair+0x97/0xb0 net/socket.c:1701
 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: 0033:0x7fdcf0831819
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:00007fdceea8b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 00007fdcf0aaafa0 RCX: 00007fdcf0831819
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 00007fdcf08c7c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdcf0aab038 R14: 00007fdcf0aaafa0 R15: 00007ffd9ef6dbf8
 </TASK>