rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2639 jiffies s: 24337 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: 9760 Comm: syz.3.1390 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:kasan_check_range+0x1ab/0x290 mm/kasan/generic.c:-1 Code: 4d 89 d6 4d 8d 56 07 4d 85 f6 4d 0f 49 d6 49 83 e2 f8 4d 29 d6 74 12 41 80 39 00 0f 85 a0 00 00 00 49 ff c1 49 ff ce 75 ee 5b <41> 5e 41 5f c3 84 db 75 61 f7 c3 00 ff 00 00 75 5e f7 c3 00 00 ff RSP: 0018:ffffc900001e03d0 EFLAGS: 00000056 RAX: 0000000000000001 RBX: ffffffff8a17da53 RCX: ffffffff818734eb RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e1f6aa8 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1c3ed56 R10: fffffbfff1c3ed56 R11: 1ffffffff1c3ed55 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000001 FS: 00007f1ae2c6f6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000100000000 CR3: 0000000054a57000 CR4: 00000000003506e0 DR0: fffffffffffffffc DR1: 0000200000000300 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: instrument_atomic_read include/linux/instrumented.h:72 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] cpumask_test_cpu include/linux/cpumask.h:444 [inline] cpu_online include/linux/cpumask.h:1030 [inline] trace_irq_disable include/trace/events/preemptirq.h:36 [inline] trace_hardirqs_off_finish+0xfb/0x180 kernel/trace/trace_preemptirq.c:67 irqentry_enter+0x33/0x50 kernel/entry/common.c:382 sysvec_apic_timer_interrupt+0xa/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:should_resched arch/x86/include/asm/preempt.h:103 [inline] RIP: 0010:__local_bh_enable_ip+0x132/0x1b0 kernel/softirq.c:428 Code: 8a e8 d2 75 c9 08 65 66 8b 05 4a 2e b5 7e 66 85 c0 75 54 bf 01 00 00 00 e8 bb 45 09 00 e8 66 c0 38 00 fb 65 8b 05 36 fd b3 7e <85> c0 75 05 e8 85 0e b2 ff 48 c7 04 24 0e 36 e0 45 4b c7 04 37 00 RSP: 0018:ffffc900001e04e0 EFLAGS: 00000282 RAX: 0000000000000101 RBX: 0000000000000201 RCX: 2a0c73295c55e900 RDX: dffffc0000000000 RSI: ffffffff8a8c0580 RDI: ffffffff8adef760 RBP: ffffc900001e0570 R08: dffffc0000000000 R09: ffffed10171e6afa R10: ffffed10171e6afa R11: 1ffff110171e6af9 R12: ffffffff8998fa7e R13: ffffc900001e0af0 R14: dffffc0000000000 R15: 1ffff9200003c09c spin_unlock_bh include/linux/spinlock.h:396 [inline] ieee80211_rx_handlers+0x742e/0x7490 net/mac80211/rx.c:4075 ieee80211_invoke_rx_handlers net/mac80211/rx.c:4097 [inline] ieee80211_prepare_and_rx_handle+0x2288/0x6240 net/mac80211/rx.c:4922 __ieee80211_rx_handle_packet net/mac80211/rx.c:5180 [inline] ieee80211_rx_list+0x24d8/0x2d00 net/mac80211/rx.c:5306 ieee80211_rx_napi+0x1a6/0x3c0 net/mac80211/rx.c:5329 ieee80211_rx include/net/mac80211.h:4846 [inline] ieee80211_handle_queued_frames+0x105/0x1b0 net/mac80211/main.c:317 tasklet_action_common+0x298/0x400 kernel/softirq.c:826 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_irq_work arch/x86/kernel/irq_work.c:17 [inline] sysvec_irq_work+0x9d/0xc0 arch/x86/kernel/irq_work.c:17 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728 RIP: 0010:preempt_schedule_irq+0xac/0x150 kernel/sched/core.c:6873 Code: 44 24 20 f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 70 bf 01 00 00 00 e8 0f 42 37 f7 e8 4a be 66 f7 fb bf 01 00 00 00 df b9 ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24 RSP: 0018:ffffc90003f978e0 EFLAGS: 00000282 RAX: 2a0c73295c55e900 RBX: 0000000000000000 RCX: 2a0c73295c55e900 RDX: dffffc0000000000 RSI: ffffffff8a8c0580 RDI: 0000000000000001 RBP: ffffc90003f97990 R08: ffffffff8f9f7048 R09: ffffffff8f9f7058 R10: ffffffff8f9f7050 R11: ffffffff8f9f7043 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920007f2f1c 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:lock_is_held_type+0x13a/0x190 kernel/locking/lockdep.c:5710 Code: 75 40 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 46 41 f7 c5 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 <48> 3b 44 24 08 75 3c 89 e8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f RSP: 0018:ffffc90003f97a58 EFLAGS: 00000206 RAX: 2a0c73295c55e900 RBX: ffff88802c201dc0 RCX: 2a0c73295c55e900 RDX: ffff88802c201dc0 RSI: ffffffff8a8c1700 RDI: ffffffff8adef760 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff215c449 R10: fffffbfff215c449 R11: 1ffffffff215c448 R12: 0000000000000001 R13: 0000000000000246 R14: ffffffff8cb2ad60 R15: ffff88802c2028c8 lock_is_held include/linux/lockdep.h:283 [inline] rcu_read_lock_sched_held+0x86/0xf0 kernel/rcu/update.c:125 task_css include/linux/cgroup.h:509 [inline] task_freezer kernel/cgroup/legacy_freezer.c:58 [inline] cgroup_freezing+0xf9/0x340 kernel/cgroup/legacy_freezer.c:71 freezing_slow_path+0xb7/0x150 kernel/freezer.c:46 freezing include/linux/freezer.h:37 [inline] try_to_freeze include/linux/freezer.h:54 [inline] get_signal+0x12ba/0x1350 kernel/signal.c:2661 arch_do_signal_or_restart+0xb7/0x1240 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f1ae1d8f749 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:00007f1ae2c6f038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: 0000000000000005 RBX: 00007f1ae1fe5fa0 RCX: 00007f1ae1d8f749 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000480 RBP: 00007f1ae1e13f91 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007f1ae1fe6038 R14: 00007f1ae1fe5fa0 R15: 00007fff33723068