rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2630 jiffies s: 21329 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: 7434 Comm: syz.2.822 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__irq_exit_rcu+0xa/0x230 kernel/softirq.c:670
Code: e8 1b 00 00 00 48 c7 c7 40 0e 8b 8a e8 7f b5 e1 08 65 ff 0d ec 2d b3 7e c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 <41> 54 53 48 83 e4 e0 48 83 ec 60 65 48 8b 04 25 28 00 00 00 48 89
RSP: 0018:ffffc900001e09f0 EFLAGS: 00000002
RAX: 0000000000000001 RBX: ffffc900001e0a38 RCX: 1b028623517afd00
RDX: 0000000000000000 RSI: ffffffff8adf5f80 RDI: ffffffff8adf5f40
RBP: ffffc900001e0a08 R08: ffffffff8e2118af R09: 1ffffffff1c42315
R10: dffffc0000000000 R11: fffffbfff1c42316 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fb52c50b6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa3501eb7c0 CR3: 0000000042e40000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
 sysvec_irq_work+0x4f/0xc0 arch/x86/kernel/irq_work.c:17
 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 12 7c 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: 1b028623517afd00 RBX: 1ffff9200003c164 RCX: 1b028623517afd00
RDX: dffffc0000000000 RSI: ffffffff8a8c1820 RDI: ffffffff8adf5fa0
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:finish_task_switch+0x267/0x8e0 kernel/sched/core.c:5125
Code: d7 08 85 c0 0f 84 38 01 00 00 48 85 db 0f 85 57 01 00 00 0f 1f 44 00 00 4c 89 e7 e8 23 81 e1 08 e8 1e 12 2f 00 fb 4c 8b 65 b8 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0018:ffffc9000eadf5e0 EFLAGS: 00000282
RAX: 1b028623517afd00 RBX: 0000000000000000 RCX: 1b028623517afd00
RDX: dffffc0000000000 RSI: ffffffff8a8c1820 RDI: ffffffff8adf5fa0
RBP: ffffc9000eadf630 R08: ffff8880b8f3580b R09: 1ffff110171e6b01
R10: dffffc0000000000 R11: ffffed10171e6b02 R12: ffff8880289bda00
R13: 1ffff110171e76fa R14: dffffc0000000000 R15: ffff8880b8f3b7d0
 context_switch kernel/sched/core.c:5249 [inline]
 __schedule+0x1087/0x4030 kernel/sched/core.c:6563
 preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6875
 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:__sanitizer_cov_trace_pc+0x3e/0x60 kernel/kcov.c:221
Code: e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00 00 74 2c 8b 91 f8 15 00 00 83 fa 02 75 21 48 8b 91 00 16 00 00 <48> 8b 32 48 8d 7e 01 8b 89 fc 15 00 00 48 39 cf 73 08 48 89 3a 48
RSP: 0018:ffffc9000eadf958 EFLAGS: 00000246
RAX: ffffffff81d99cb7 RBX: 0000000000000001 RCX: ffff8880289bda00
RDX: ffffc9000cfaa000 RSI: 0000000000000001 RDI: ffff88807b00e2c0
RBP: ffffc9000eadfa70 R08: ffff8880b8f3580b R09: 1ffff110171e6b01
R10: dffffc0000000000 R11: ffffed10171e6b02 R12: dffffc0000000000
R13: 1ffff92001d5bf38 R14: ffff88807b00e2c0 R15: 0000000000000001
 page_counter_charge+0x17/0x100 mm/page_counter.c:71
 memcg_account_kmem+0x1a4/0x1c0 mm/memcontrol.c:3058
 obj_cgroup_charge_pages mm/memcontrol.c:3103 [inline]
 obj_cgroup_charge+0x37c/0x620 mm/memcontrol.c:3390
 memcg_slab_pre_alloc_hook mm/slab.h:501 [inline]
 slab_pre_alloc_hook+0x2e2/0x300 mm/slab.h:715
 slab_alloc_node mm/slub.c:3279 [inline]
 slab_alloc mm/slub.c:3367 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3374 [inline]
 kmem_cache_alloc_lru+0x49/0x2e0 mm/slub.c:3390
 __d_alloc+0x2e/0x6e0 fs/dcache.c:1774
 d_alloc_pseudo+0x19/0x70 fs/dcache.c:1906
 alloc_file_pseudo+0xe0/0x200 fs/file_table.c:265
 __anon_inode_getfile fs/anon_inodes.c:122 [inline]
 anon_inode_getfile+0xc1/0x1a0 fs/anon_inodes.c:160
 __do_sys_perf_event_open kernel/events/core.c:12644 [inline]
 __se_sys_perf_event_open+0xc2a/0x1ec0 kernel/events/core.c:12418
 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: 0033:0x7fb52b59e0d9
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:00007fb52c50b028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fb52b825fa0 RCX: 00007fb52b59e0d9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000003c0
RBP: 00007fb52b635024 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb52b826038 R14: 00007fb52b825fa0 R15: 00007fffb78f5558
 </TASK>