rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2678 jiffies s: 3197 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4629 Comm: syz.3.85 Not tainted 6.1.129-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:ct_irq_exit_irqson+0x177/0x1b0 kernel/context_tracking.c:424
Code: 8d d4 ff eb 15 e8 09 8d d4 ff e8 f4 d7 fa 08 4d 85 e4 74 ea e8 fa 8c d4 ff fb 48 c7 04 24 0e 36 e0 45 4b c7 04 2f 00 00 00 00 <66> 43 c7 44 2f 09 00 00 43 c6 44 2f 0b 00 65 48 8b 04 25 28 00 00
RSP: 0018:ffffc90000007920 EFLAGS: 00000046
RAX: ffffffff81b609c0 RBX: 0000000000000000 RCX: ffff8880308d3b80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900000079d0 R08: ffffffff81b609ac R09: ffffed10171c6ad6
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 1ffff92000000f24 R14: 0000000000000046 R15: dffffc0000000000
FS:  00007f49ce7376c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0554277d58 CR3: 0000000018aa0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 trace_irq_enable_rcuidle+0xda/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+0x84/0x540 kernel/rcu/tree_plugin.h:682
Code: f1 f1 f1 00 f2 f2 f2 49 89 04 17 66 41 c7 44 17 09 f3 f3 41 c6 44 17 0b f3 65 44 8b 25 6d 1a 8e 7e 41 f7 c4 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 3a 00 00 00 00 66 42 c7 44 3a
RSP: 0018:ffffc90000007ac0 EFLAGS: 00000206
RAX: 6982b68e869c0700 RBX: 1ffff92000000f60 RCX: ffffffff816b145a
RDX: dffffc0000000000 RSI: ffffffff8b0c1d40 RDI: ffffffff8b5f6d80
RBP: ffffc90000007ba0 R08: dffffc0000000000 R09: fffffbfff2256c60
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8d333500
R13: ffff8880308d3fd8 R14: ffffc90000007b00 R15: 1ffff92000000f5c
 __rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 ieee80211_iterate_active_interfaces_atomic+0x153/0x170 net/mac80211/util.c:826
 mac80211_hwsim_beacon+0xd0/0x1e0 drivers/net/wireless/mac80211_hwsim.c:2142
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x5e5/0xe50 kernel/time/hrtimer.c:1753
 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1770
 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:661
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:673
 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:constant_test_bit arch/x86/include/asm/bitops.h:207 [inline]
RIP: 0010:arch_test_bit arch/x86/include/asm/bitops.h:239 [inline]
RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:142 [inline]
RIP: 0010:test_ti_thread_flag include/linux/thread_info.h:118 [inline]
RIP: 0010:need_resched include/linux/sched.h:2230 [inline]
RIP: 0010:copy_pte_range mm/memory.c:1061 [inline]
RIP: 0010:copy_pmd_range mm/memory.c:1177 [inline]
RIP: 0010:copy_pud_range mm/memory.c:1214 [inline]
RIP: 0010:copy_p4d_range mm/memory.c:1238 [inline]
RIP: 0010:copy_page_range+0x12be/0x4660 mm/memory.c:1336
Code: df be 08 00 00 00 e8 01 2c 16 00 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 52 2a 16 00 <48> 8b 1b 48 89 de 48 83 e6 08 31 ff e8 e1 d5 be ff 48 83 e3 08 0f
RSP: 0018:ffffc900056bf460 EFLAGS: 00000246
RAX: 1ffff1100611a770 RBX: ffff8880308d3b80 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8880308d3b80
RBP: ffffc900056bf810 R08: dffffc0000000000 R09: ffffed100611a771
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807c1c3540
R13: 0000000000000ca0 R14: ffff888029e28020 R15: 0000000000000020
 dup_mmap kernel/fork.c:697 [inline]
 dup_mm kernel/fork.c:1541 [inline]
 copy_mm+0xf42/0x1990 kernel/fork.c:1590
 copy_process+0x19fb/0x40a0 kernel/fork.c:2266
 kernel_clone+0x222/0x920 kernel/fork.c:2681
 __do_sys_clone kernel/fork.c:2822 [inline]
 __se_sys_clone kernel/fork.c:2806 [inline]
 __x64_sys_clone+0x242/0x2c0 kernel/fork.c:2806
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f49cd98d169
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f49ce736fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f49cdba5fa0 RCX: 00007f49cd98d169
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f49cda0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f49cdba5fa0 R15: 00007ffed0721f28
 </TASK>