rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=677/1/0x4000000000000002 softirq=64715/64716 fqs=5246 
	(detected by 1, t=10502 jiffies, g=93369, q=2099)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 19684 Comm: syz.9.3004 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:asm_sysvec_irq_work+0x0/0x20 arch/x86/include/asm/idtentry.h:707
Code: e9 a5 03 00 00 90 90 90 90 90 0f 01 ca fc 6a ff e8 a5 02 00 00 48 89 c4 48 89 e7 e8 4a e8 df ff e9 85 03 00 00 90 90 90 90 90 <0f> 01 ca fc 6a ff e8 85 02 00 00 48 89 c4 48 89 e7 e8 1a ed df ff
RSP: 0018:ffffc90000007ad8 EFLAGS: 00000006
RAX: 2adec0337b0f6900 RBX: 1ffff92000000f64 RCX: 2adec0337b0f6900
RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: ffffffff8a7a4200
RBP: ffffc90000007bd8 R08: ffff8880b903b30b R09: 1ffff11017207661
R10: dffffc0000000000 R11: ffffed1017207662 R12: ffffffff8c323400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
FS:  00007fbaf1bf16c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3570d8 CR3: 00000000636ae000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
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 02 20 9d 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
 __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+0x4ea/0xb60 kernel/time/hrtimer.c:1749
 hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
 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:__schedule+0x96/0x4350 kernel/sched/core.c:6282
Code: c1 e9 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 31 42 c7 44 31 08 f8 f8 f3 f3 48 89 8c 24 08 01 00 00 66 42 c7 44 31 08 00 00 <e8> 45 0e f8 ff 48 63 d8 83 fb 08 0f 83 d8 13 00 00 ba 10 00 00 00
RSP: 0018:ffffc9000317f200 EFLAGS: 00000a02
RAX: f2f2f2f8f1f1f1f1 RBX: 0000000000000000 RCX: 1ffff9200062fe64
RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: 0000000000000001
RBP: ffffc9000317f3d0 R08: ffff8880b903b30b R09: 1ffff11017207661
R10: dffffc0000000000 R11: ffffed1017207662 R12: 0000000000000000
R13: ffffc9000317f360 R14: dffffc0000000000 R15: 1ffff9200062fe7c
 preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6799
 irqentry_exit+0x63/0x70 kernel/entry/common.c:432
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:preempt_schedule_thunk+0x0/0x18 arch/x86/entry/thunk_64.S:34
Code: 03 38 c1 7c c1 4c 89 f7 e8 6d a2 bd 00 eb b7 66 2e 0f 1f 84 00 00 00 00 00 90 e8 ab 7f 78 00 48 c7 c0 a0 63 20 8a c3 00 00 cc <55> 48 89 e5 57 56 52 51 50 41 50 41 51 41 52 41 53 e8 6a de c7 08
RSP: 0018:ffffc9000317f548 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffffc9000317f5e8 RCX: 0000000000000000
RDX: ffffc9000317f601 RSI: ffffc9000317ff10 RDI: 00000000ffffffff
RBP: dffffc0000000000 R08: ffffc9000317ff10 R09: ffffc9000317f638
R10: dffffc0000000000 R11: fffff5200062fec9 R12: ffffc90003178000
R13: dffffc0000000000 R14: ffffc9000317f5f8 R15: ffffc9000317ff20
 unwind_next_frame+0x1202/0x1cf0 arch/x86/kernel/unwind_orc.c:616
 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+0x4b/0x70 mm/kasan/common.c:46
 kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:360
 ____kasan_slab_free+0xd5/0x110 mm/kasan/common.c:366
 kasan_slab_free include/linux/kasan.h:230 [inline]
 slab_free_hook mm/slub.c:1710 [inline]
 slab_free_freelist_hook+0xec/0x170 mm/slub.c:1736
 slab_free mm/slub.c:3504 [inline]
 kfree+0xef/0x2a0 mm/slub.c:4564
 __sock_kfree_s net/core/sock.c:2458 [inline]
 sock_kfree_s+0x24/0x50 net/core/sock.c:2464
 ____sys_sendmsg+0x6cd/0x8f0 net/socket.c:2460
 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2500
 __sys_sendmsg net/socket.c:2529 [inline]
 __do_sys_sendmsg net/socket.c:2538 [inline]
 __se_sys_sendmsg+0x1b7/0x2a0 net/socket.c:2536
 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: 0033:0x7fbaf39990d9
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:00007fbaf1bf1028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fbaf3c20fa0 RCX: 00007fbaf39990d9
RDX: 0000000000000000 RSI: 0000200000001d80 RDI: 000000000000000f
RBP: 00007fbaf3a30024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbaf3c21038 R14: 00007fbaf3c20fa0 R15: 00007ffd983cd878
 </TASK>