rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2628 jiffies s: 72369 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: 20657 Comm: syz.4.5369 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:llist_add_batch+0x8b/0x180 lib/llist.c:32
Code: f1 f1 f1 f1 f8 f3 f3 f3 4b 89 04 2c e8 8e ec 6c fd 43 c6 44 2c 04 00 48 89 d8 48 c1 e8 03 4d 89 fe 49 c1 ee 03 48 89 44 24 10 <42> 80 3c 28 00 74 08 48 89 df e8 26 31 be fd 4c 8b 2b 4c 89 6c 24
RSP: 0018:ffffc900001e0180 EFLAGS: 00000802
RAX: 1ffff110171e6817 RBX: ffff8880b8f340b8 RCX: ffff8880506cda00
RDX: 0000000000000100 RSI: ffff8880b8f3bbb0 RDI: ffff8880b8f3bbb0
RBP: ffffc900001e0228 R08: ffff8880b8f3bbbb R09: 1ffff110171e7777
R10: dffffc0000000000 R11: ffffed10171e7778 R12: 1ffff9200003c034
R13: dffffc0000000000 R14: 1ffff110171e7776 R15: ffff8880b8f3bbb0
FS:  00007f76e889f6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c251114 CR3: 0000000067b98000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 llist_add include/linux/llist.h:221 [inline]
 __irq_work_queue_local+0xad/0x190 kernel/irq_work.c:97
 irq_work_queue_on+0x13c/0x260 kernel/irq_work.c:165
 rcu_read_unlock_special+0x3c9/0x510 kernel/rcu/tree_plugin.h:678
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 __perf_event_output kernel/events/core.c:7751 [inline]
 perf_event_output_forward+0x271/0x2f0 kernel/events/core.c:7760
 __perf_event_overflow+0x457/0x630 kernel/events/core.c:9506
 perf_swevent_overflow kernel/events/core.c:9589 [inline]
 perf_swevent_event+0x315/0x570 kernel/events/core.c:9640
 perf_tp_event+0x36b/0xc10 kernel/events/core.c:10074
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10042
 perf_trace_preemptirq_template+0x268/0x320 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0xd3/0x140 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 32 7b 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: e672cfeb69a23300 RBX: 1ffff9200003c164 RCX: e672cfeb69a23300
RDX: dffffc0000000000 RSI: ffffffff8a8c18a0 RDI: ffffffff8adf68a0
RBP: ffffc900001e0bd0 R08: ffff8880b8f357cb R09: 1ffff110171e6af9
R10: dffffc0000000000 R11: ffffed10171e6afa 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:2148
 __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: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 2a 89 ae fd
RSP: 0018:ffffc900043a7bb0 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc9000e1c1000 RSI: 00000000000016d3 RDI: 00000000000016d4
RBP: ffff88807e2dc990 R08: ffff8880506cda00 R09: 0000000000000002
R10: 000000000000005c R11: 0000000000000002 R12: 0000000000000007
R13: 0000000000000000 R14: ffff88814ca6a280 R15: ffff88814ca6a298
 tomoyo_path_number_perm+0x379/0x650 security/tomoyo/file.c:733
 security_file_ioctl+0x6c/0xa0 security/security.c:1572
 __do_sys_ioctl fs/ioctl.c:864 [inline]
 __se_sys_ioctl+0x48/0x170 fs/ioctl.c:856
 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: 0033:0x7f76e799e159
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:00007f76e889f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f76e7c25fa0 RCX: 00007f76e799e159
RDX: 0000200000000040 RSI: 0000000000008955 RDI: 0000000000000007
RBP: 00007f76e7a3506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f76e7c26038 R14: 00007f76e7c25fa0 R15: 00007fff426a4918
 </TASK>