rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-....: (10486 ticks this GP) idle=71ac/1/0x4000000000000000 softirq=21055/21061 fqs=4983 rcu: hardirqs softirqs csw/system rcu: number: 1195075 0 0 rcu: cputime: 18565 33914 33 ==> 52490(ms) rcu: (t=10501 jiffies g=25297 q=1825 ncpus=2) CPU: 0 PID: 7944 Comm: syz.2.718 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:queue_work_on+0x187/0x1e0 kernel/workqueue.c:1840 Code: 4d 85 e4 75 16 e8 39 2c 2f 00 eb 15 e8 32 2c 2f 00 e8 4d 6a 18 09 4d 85 e4 74 ea e8 23 2c 2f 00 fb 48 c7 44 24 20 0e 36 e0 45 <48> b8 00 00 00 00 00 fc ff df 49 c7 44 05 00 00 00 00 00 66 41 c7 RSP: 0018:ffffc900000073a0 EFLAGS: 00000246 RAX: ffffffff8156636d RBX: 0000000000000000 RCX: ffff888027258000 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007480 R08: ffffffff90da85f7 R09: 1ffffffff21b50be R10: dffffc0000000000 R11: fffffbfff21b50bf R12: 0000000000000200 R13: 1ffff92000000e78 R14: 0000000000000000 R15: ffff88801d740001 FS: 00007fa8bfa686c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb8168c2627 CR3: 000000002dda9000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __ieee80211_queue_skb_to_iface net/mac80211/rx.c:232 [inline] ieee80211_queue_skb_to_iface net/mac80211/rx.c:243 [inline] ieee80211_rx_h_mgmt+0x4f8/0x6f0 net/mac80211/rx.c:3989 ieee80211_rx_handlers+0x64f0/0xb0c0 net/mac80211/rx.c:4147 ieee80211_invoke_rx_handlers net/mac80211/rx.c:4177 [inline] ieee80211_prepare_and_rx_handle+0x25fe/0x61d0 net/mac80211/rx.c:5035 ieee80211_rx_for_interface net/mac80211/rx.c:5120 [inline] __ieee80211_rx_handle_packet net/mac80211/rx.c:5293 [inline] ieee80211_rx_list+0x26c9/0x2fe0 net/mac80211/rx.c:5428 ieee80211_rx_napi+0x1aa/0x3c0 net/mac80211/rx.c:5451 ieee80211_rx include/net/mac80211.h:4971 [inline] ieee80211_handle_queued_frames+0x106/0x1a0 net/mac80211/main.c:319 tasklet_action_common+0x2eb/0x4c0 kernel/softirq.c:809 handle_softirqs+0x280/0x820 kernel/softirq.c:578 __do_softirq kernel/softirq.c:612 [inline] invoke_softirq kernel/softirq.c:452 [inline] __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:7009 Code: 44 24 20 f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 63 bf 01 00 00 00 e8 9b 58 e4 f6 e8 06 de 14 f7 fb bf 01 00 00 00 db b5 ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24 RSP: 0018:ffffc9000b8efbc0 EFLAGS: 00000282 RAX: ad861ceea3d6ca00 RBX: 0000000000000000 RCX: ad861ceea3d6ca00 RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: 0000000000000001 RBP: ffffc9000b8efc70 R08: ffffffff8e4a8d6f R09: 1ffffffff1c951ad R10: dffffc0000000000 R11: fffffbfff1c951ae R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200171df78 irqentry_exit+0x67/0x70 kernel/entry/common.c:438 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:put_task_struct+0x0/0xc0 include/linux/sched/task.h:125 Code: 80 e1 07 80 c1 03 38 c1 0f 8c d9 fe ff ff 4c 89 f7 e8 84 51 2f 00 e9 cc fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <55> 41 56 53 48 89 fb e8 34 f6 d7 ff 4c 8d 73 28 4c 89 f7 be 04 00 RSP: 0018:ffffc9000b8efd38 EFLAGS: 00000246 RAX: ad861ceea3d6ca00 RBX: ffff888027258000 RCX: 1ffff9200171df94 RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff888027258000 RBP: ffffc9000b8eff10 R08: ffff8880211fd677 R09: 1ffff1100423face R10: dffffc0000000000 R11: ffffed100423facf R12: 0000000000000000 R13: 1ffff9200171dfb8 R14: ffff88801ba68848 R15: ffff888027258000 __do_sys_perf_event_open kernel/events/core.c:12922 [inline] __se_sys_perf_event_open+0x1865/0x1c20 kernel/events/core.c:12567 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fa8beb8f6c9 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:00007fa8bfa68038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fa8bede5fa0 RCX: 00007fa8beb8f6c9 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000140 RBP: 00007fa8bec11f91 R08: 0000000000000002 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa8bede6038 R14: 00007fa8bede5fa0 R15: 00007ffdd327d258