rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2636 jiffies s: 251645 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: 24161 Comm: syz.8.5573 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline] RIP: 0010:lock_is_held_type+0x10d/0x190 kernel/locking/lockdep.c:5706 Code: 95 c0 31 ed 39 c1 40 0f 94 c5 eb 05 bd 01 00 00 00 48 c7 c7 00 17 8c 8a e8 60 12 00 00 b8 ff ff ff ff 65 0f c1 05 13 a4 ea 75 <83> f8 01 75 40 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 RSP: 0018:ffffc900001e0738 EFLAGS: 00000057 RAX: 0000000000000001 RBX: ffff888030331dc0 RCX: d5417957c70ab700 RDX: ffff888030331dc0 RSI: ffffffff8a8c1700 RDI: ffffffff8adef760 RBP: 0000000000000001 R08: dffffc0000000000 R09: fffffbfff215c449 R10: fffffbfff215c449 R11: 1ffffffff215c448 R12: 0000000000000000 R13: 0000000000000046 R14: ffffffff8cb2aca0 R15: ffff8880303328a0 FS: 00007f7b3531c6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd6b34dae9c CR3: 0000000073959000 CR4: 00000000003506e0 DR0: 0000200000000380 DR1: 0000200000000380 DR2: 0000200000000380 DR3: 0000200000000380 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: trace_call_bpf+0x19e/0x680 kernel/trace/bpf_trace.c:135 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:9997 perf_trace_preemptirq_template+0x287/0x330 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+0x84/0x500 kernel/rcu/tree_plugin.h:685 Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 ed 90 96 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b RSP: 0018:ffffc900001e0aa0 EFLAGS: 00000206 RAX: d5417957c70ab700 RBX: 1ffff9200003c15c RCX: d5417957c70ab700 RDX: dffffc0000000000 RSI: ffffffff8a8c0580 RDI: ffffffff8adef760 RBP: ffffc900001e0b90 R08: dffffc0000000000 R09: ffffed10171e6afa R10: ffffed10171e6afa R11: 1ffff110171e6af9 R12: 0000000000000246 R13: dffffc0000000000 R14: ffff8880b8f3b900 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:1747 [inline] __hrtimer_run_queues+0x554/0xd60 kernel/time/hrtimer.c:1811 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596 __do_softirq kernel/softirq.c:630 [inline] invoke_softirq kernel/softirq.c:470 [inline] __irq_exit_rcu+0x12f/0x220 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 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:try_charge_memcg+0x45e/0x17f0 mm/memcontrol.c:2645 Code: b6 04 0f 49 89 cf 84 c0 0f 85 43 0c 00 00 45 89 26 41 b4 01 e9 df fe ff ff e8 6e 88 3f 08 f7 c3 00 02 00 00 74 c4 fb 45 84 e4 <0f> 85 64 10 00 00 e9 1e 0d 00 00 44 89 f3 48 8b bc 24 b0 00 00 00 RSP: 0018:ffffc90003b2f760 EFLAGS: 00000202 RAX: d5417957c70ab700 RBX: 0000000000000283 RCX: d5417957c70ab700 RDX: dffffc0000000000 RSI: ffffffff8a8c0580 RDI: ffffffff8adef760 RBP: ffffc90003b2f998 R08: dffffc0000000000 R09: ffffed10171e6afa R10: ffffed10171e6afa R11: 1ffff110171e6af9 R12: 0000000000000001 R13: ffff88805ea2c000 R14: 0000000000000040 R15: dffffc0000000000 obj_cgroup_charge_pages mm/memcontrol.c:3099 [inline] __memcg_kmem_charge_page+0x220/0x380 mm/memcontrol.c:3125 __alloc_pages+0x215/0x4e0 mm/page_alloc.c:5631 vm_area_alloc_pages mm/vmalloc.c:3002 [inline] __vmalloc_area_node mm/vmalloc.c:3071 [inline] __vmalloc_node_range+0x959/0x1390 mm/vmalloc.c:3243 __bpf_map_area_alloc kernel/bpf/syscall.c:334 [inline] bpf_map_area_alloc+0xd4/0xe0 kernel/bpf/syscall.c:341 sock_hash_alloc+0x297/0x510 net/core/sock_map.c:1114 find_and_alloc_map kernel/bpf/syscall.c:133 [inline] map_create+0x534/0x1000 kernel/bpf/syscall.c:1149 __sys_bpf+0x2f3/0x6d0 kernel/bpf/syscall.c:5009 __do_sys_bpf kernel/bpf/syscall.c:5131 [inline] __se_sys_bpf kernel/bpf/syscall.c:5129 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5129 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f7b3438f749 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:00007f7b3531c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f7b345e5fa0 RCX: 00007f7b3438f749 RDX: 0000000000000050 RSI: 0000200000000100 RDI: 0000000000000000 RBP: 00007f7b34413f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f7b345e6038 R14: 00007f7b345e5fa0 R15: 00007ffee3112278