rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=e11/1/0x4000000000000002 softirq=8428/8429 fqs=2100 
	(detected by 1, t=10506 jiffies, g=9933, q=1607)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4990 Comm: syz.2.219 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:__irq_work_queue_local+0x54/0x190 kernel/irq_work.c:-1
Code: 00 4c 89 f0 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 f6 00 00 00 45 8b 26 44 89 e6 83 e6 04 31 ff e8 61 20 f4 ff e8 bc 74 37 08 <89> c5 bf 08 00 00 00 89 c6 e8 4e 20 f4 ff 41 89 ee 41 83 e4 04 75
RSP: 0018:ffffc90000007338 EFLAGS: 00000082
RAX: 0000000000000000 RBX: ffff8880b903b1f0 RCX: 12c7416bdea61500
RDX: 0000000000000100 RSI: ffffffff8a79f960 RDI: ffffffff8a79f920
RBP: 0000000000000000 R08: ffff8880b903b1fb R09: 1ffff1101720763f
R10: dffffc0000000000 R11: ffffed1017207640 R12: 0000000000000023
R13: dffffc0000000001 R14: ffff8880b903b1f8 R15: dffffc0000000000
FS:  00007f9ef7f226c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c36dacf CR3: 000000005c929000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 irq_work_queue_on+0x11e/0x220 kernel/irq_work.c:109
 rcu_read_unlock_special+0x37b/0x4a0 kernel/rcu/tree_plugin.h:667
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 __perf_event_output kernel/events/core.c:7813 [inline]
 perf_event_output_forward+0x255/0x2e0 kernel/events/core.c:7822
 __perf_event_overflow+0x364/0x530 kernel/events/core.c:9515
 perf_tp_event+0x383/0xbf0 kernel/events/core.c:10047
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10021
 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 12 f2 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:ffffc90000007b00 EFLAGS: 00000206
RAX: 12c7416bdea61500 RBX: 1ffff92000000f64 RCX: 12c7416bdea61500
RDX: dffffc0000000000 RSI: ffffffff8a2b2780 RDI: ffffffff8a79f980
RBP: ffffc90000007bd8 R08: ffffffff901d418f R09: 1ffffffff203a831
R10: dffffc0000000000 R11: fffffbfff203a832 R12: ffffffff8c322f00
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xbc/0x120 kernel/locking/spinlock.c:194
Code: c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 41 c6 04 07 f8 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 2f 8a 8c f7 65 8b 05 d0 97 3c 76 85 c0 74 3c 48 c7 04 24 0e 36
RSP: 0018:ffffc900032feb80 EFLAGS: 00000206
RAX: dffffc0000000004 RBX: 0000000000000246 RCX: 12c7416bdea61500
RDX: dffffc0000000000 RSI: ffffffff8a2b2780 RDI: 0000000000000001
RBP: ffffc900032fec18 R08: ffffffff901d418f R09: 1ffffffff203a831
R10: dffffc0000000000 R11: fffffbfff203a832 R12: dffffc0000000000
R13: ffffffff8c322f00 R14: ffffffff8c322f00 R15: 1ffff9200065fd70
 rcu_report_qs_rsp+0xad/0x1a0 kernel/rcu/tree.c:2170
 rcu_report_unblock_qs_rnp kernel/rcu/tree.c:2275 [inline]
 rcu_preempt_deferred_qs_irqrestore+0x9dd/0xc30 kernel/rcu/tree_plugin.h:552
 rcu_read_unlock_special+0x3dd/0x4a0 kernel/rcu/tree_plugin.h:673
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 sctp_v4_get_dst+0xed6/0x1160 net/sctp/protocol.c:535
 sctp_transport_route+0x107/0x2b0 net/sctp/transport.c:463
 sctp_assoc_add_peer+0x615/0x15a0 net/sctp/associola.c:665
 sctp_process_param net/sctp/sm_make_chunk.c:2577 [inline]
 sctp_process_init+0xacc/0x2cd0 net/sctp/sm_make_chunk.c:2397
 sctp_sf_do_unexpected_init+0x726/0xeb0 net/sctp/sm_statefuns.c:1607
 sctp_do_sm+0x245/0x55f0 net/sctp/sm_sideeffect.c:1167
 sctp_assoc_bh_rcv+0x3ee/0x630 net/sctp/associola.c:1054
 sctp_backlog_rcv+0x15f/0x3c0 net/sctp/input.c:346
 sk_backlog_rcv include/net/sock.h:1080 [inline]
 __release_sock+0x1e1/0x450 net/core/sock.c:2731
 release_sock+0x5b/0x1b0 net/core/sock.c:3274
 sctp_sendmsg+0x1b94/0x2900 net/sctp/socket.c:2035
 sock_sendmsg_nosec net/socket.c:706 [inline]
 __sock_sendmsg net/socket.c:718 [inline]
 ____sys_sendmsg+0x5b7/0x8f0 net/socket.c:2445
 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2499
 __sys_sendmsg net/socket.c:2528 [inline]
 __do_sys_sendmsg net/socket.c:2537 [inline]
 __se_sys_sendmsg+0x1af/0x290 net/socket.c:2535
 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: 0033:0x7f9ef9cc8819
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:00007f9ef7f22028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f9ef9f41fa0 RCX: 00007f9ef9cc8819
RDX: 00000000000080d1 RSI: 0000200000000140 RDI: 0000000000000008
RBP: 00007f9ef9d5ec91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9ef9f42038 R14: 00007f9ef9f41fa0 R15: 00007ffd589572b8
 </TASK>