rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=d1cc/1/0x4000000000000000 softirq=39507/39508 fqs=4936
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   921979          0            0
rcu: 	cputime:    26658      25821           50   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=37221 q=13086 ncpus=2)
CPU: 1 PID: 9756 Comm: syz.9.819 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:queue_work_on+0x1a4/0x1f0 kernel/workqueue.c:1859
Code: 4d 85 e4 75 16 e8 0c bd 2f 00 eb 15 e8 05 bd 2f 00 e8 e0 f5 2e 09 4d 85 e4 74 ea e8 f6 bc 2f 00 fb 48 c7 44 24 20 0e 36 e0 45 <48> b8 00 00 00 00 00 fc ff df 49 c7 44 05 00 00 00 00 00 41 c7 44
RSP: 0000:ffffc900001f0380 EFLAGS: 00000246
RAX: ffffffff8157650a RBX: 0000000000000001 RCX: ffff88802c133c00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900001f0460 R08: ffffffff911c55f7 R09: 1ffffffff2238abe
R10: dffffc0000000000 R11: fffffbfff2238abf R12: 0000000000000200
R13: 1ffff9200003e074 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f66ffaa86c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd7bb64eb14 CR3: 000000005fc36000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __ieee80211_queue_skb_to_iface net/mac80211/rx.c:232 [inline]
 ieee80211_queue_skb_to_iface net/mac80211/rx.c:243 [inline]
 ieee80211_rx_h_mgmt+0x4f8/0x6f0 net/mac80211/rx.c:3994
 ieee80211_rx_handlers+0x65f9/0xb4a0 net/mac80211/rx.c:4152
 ieee80211_invoke_rx_handlers net/mac80211/rx.c:4182 [inline]
 ieee80211_prepare_and_rx_handle+0x29ab/0x62c0 net/mac80211/rx.c:5040
 ieee80211_rx_for_interface net/mac80211/rx.c:5125 [inline]
 __ieee80211_rx_handle_packet net/mac80211/rx.c:5298 [inline]
 ieee80211_rx_list+0x295e/0x32d0 net/mac80211/rx.c:5437
 ieee80211_rx_napi+0x1b2/0x3d0 net/mac80211/rx.c:5460
 ieee80211_rx include/net/mac80211.h:4971 [inline]
 ieee80211_handle_queued_frames+0x106/0x1a0 net/mac80211/main.c:319
 tasklet_action_common+0x302/0x4d0 kernel/softirq.c:809
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 00 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ea a7 d8 f6 48 89 df e8 a2 7c d9 f6 e8 1d 8f fd f6 fb bf 01 00 00 00 <e8> 82 83 cc f6 65 8b 05 c3 b0 73 75 85 c0 74 02 5b c3 e8 40 98 70
RSP: 0000:ffffc90003357ab0 EFLAGS: 00000282
RAX: 25d43b1d55829c00 RBX: ffff88807dde0000 RCX: 25d43b1d55829c00
RDX: dffffc0000000000 RSI: ffffffff8acac9e0 RDI: 0000000000000001
RBP: ffffc90003357c28 R08: ffffffff8e8b14ef R09: 1ffffffff1d1629d
R10: dffffc0000000000 R11: fffffbfff1d1629e R12: 1ffff11005826785
R13: ffff88802c133c2c R14: 1ffff110058268a3 R15: 0000000000000000
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 coredump_task_exit kernel/exit.c:413 [inline]
 do_exit+0x343/0x2460 kernel/exit.c:825
 do_group_exit+0x21b/0x2d0 kernel/exit.c:1024
 get_signal+0x12fc/0x13f0 kernel/signal.c:2902
 arch_do_signal_or_restart+0xc2/0x800 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
 do_syscall_64+0x61/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f66feb9c819
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:00007f66ffaa8028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: 000000000000000a RBX: 00007f66fee15fa0 RCX: 00007f66feb9c819
RDX: affffff7ffffffff RSI: 0000000000000000 RDI: 0000200000000180
RBP: 00007f66fec32c91 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f66fee16038 R14: 00007f66fee15fa0 R15: 00007fff7dc2c128
 </TASK>