rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2640 jiffies s: 10101 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 6288 Comm: syz.2.516 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:22 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:106 [inline]
RIP: 0010:ct_irq_exit_irqson+0x71/0x170 kernel/context_tracking.c:421
Code: f1 f1 f1 f1 f8 f2 f2 f2 49 be 00 00 00 00 00 fc ff df 4a 89 04 33 42 c7 44 33 08 f8 f3 f3 f3 e8 c5 b4 d7 ff 42 c6 44 33 04 00 <48> c7 44 24 20 00 00 00 00 9c 8f 44 24 20 4c 8b 7c 24 20 42 c6 44
RSP: 0018:ffffc900001e0940 EFLAGS: 00000046
RAX: ffffffff81aa6c4b RBX: 1ffff9200003c128 RCX: ffff888026d21e00
RDX: 0000000000000100 RSI: 0000000000000001 RDI: 0000000000000008
RBP: ffffc900001e09e8 R08: ffffffff8e200f6f R09: 1ffffffff1c401ed
R10: dffffc0000000000 R11: fffffbfff1c401ee R12: dffffc0000000000
R13: 0000000000000001 R14: dffffc0000000000 R15: ffff888027891618
FS:  00007fa2f245e6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001b80 CR3: 000000001eb99000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 trace_irq_enable_rcuidle+0xd8/0x140 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x24/0x40 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728
RIP: 0010:rcu_read_unlock_special+0x7f/0x510 kernel/rcu/tree_plugin.h:685
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 e2 82 95 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc900001e0ae0 EFLAGS: 00000206
RAX: 7c5fc67c82c2da00 RBX: 1ffff9200003c164 RCX: 7c5fc67c82c2da00
RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adee1a0
RBP: ffffc900001e0bd0 R08: ffff8880b8f3580b R09: 1ffff110171e6b01
R10: dffffc0000000000 R11: ffffed10171e6b02 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8f3bb00 R15: 0000000000000002
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 ieee80211_iterate_active_interfaces_atomic+0x156/0x170 net/mac80211/util.c:826
 mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147
 __run_hrtimer kernel/time/hrtimer.c:1751 [inline]
 __hrtimer_run_queues+0x522/0xc90 kernel/time/hrtimer.c:1815
 hrtimer_run_softirq+0x173/0x290 kernel/time/hrtimer.c:1832
 handle_softirqs+0x291/0x910 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:preempt_schedule_irq+0xb6/0x160 kernel/sched/core.c:6874
Code: 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 7f bf 01 00 00 00 e8 55 44 25 f7 e8 70 0f 55 f7 fb bf 01 00 00 00 <e8> 25 ba ff ff 43 c6 44 37 08 00 48 c7 44 24 40 00 00 00 00 9c 8f
RSP: 0018:ffffc90004d77580 EFLAGS: 00000282
RAX: 7c5fc67c82c2da00 RBX: 0000000000000000 RCX: 7c5fc67c82c2da00
RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: 0000000000000001
RBP: ffffc90004d77630 R08: ffff8880b8f3580b R09: 1ffff110171e6b01
R10: dffffc0000000000 R11: ffffed10171e6b02 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920009aeeb0
 irqentry_exit+0x63/0x70 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:tomoyo_check_acl+0xc0/0x3f0 security/tomoyo/domain.c:173
Code: e8 03 0f b6 04 18 84 c0 0f 85 b3 02 00 00 4c 8b 75 00 49 39 ee 0f 84 df 01 00 00 4d 8d 7e 18 4c 89 f8 48 c1 e8 03 0f b6 04 18 <84> c0 0f 85 02 01 00 00 45 0f b6 3f 31 ff 44 89 fe e8 5a db b4 fd
RSP: 0018:ffffc90004d776f0 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc9000e651000 RSI: 00000000000000d6 RDI: 00000000000000d7
RBP: ffff888018598910 R08: ffffc90004d778cf R09: ffffc90004d77880
R10: dffffc0000000000 R11: fffff520009aef1a R12: 0000000000000002
R13: 0000000000000000 R14: ffff888026f54800 R15: ffff888026f54818
 tomoyo_inet_entry security/tomoyo/network.c:483 [inline]
 tomoyo_check_inet_address+0x45c/0x8f0 security/tomoyo/network.c:532
 tomoyo_socket_sendmsg_permission+0x212/0x2f0 security/tomoyo/network.c:774
 security_socket_sendmsg+0x6c/0xa0 security/security.c:2276
 __sock_sendmsg net/socket.c:727 [inline]
 ____sys_sendmsg+0x55e/0x9a0 net/socket.c:2519
 ___sys_sendmsg+0x2a2/0x360 net/socket.c:2573
 __sys_sendmsg net/socket.c:2602 [inline]
 __do_sys_sendmsg net/socket.c:2611 [inline]
 __se_sys_sendmsg+0x1c3/0x2b0 net/socket.c:2609
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa2f159ce59
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:00007fa2f245e028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fa2f1815fa0 RCX: 00007fa2f159ce59
RDX: 0000000000000000 RSI: 0000200000000040 RDI: 000000000000000b
RBP: 00007fa2f1632e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa2f1816038 R14: 00007fa2f1815fa0 R15: 00007fffe8f2da88
 </TASK>