rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-....: (10406 ticks this GP) idle=ec9c/1/0x4000000000000000 softirq=23187/23188 fqs=4342 rcu: hardirqs softirqs csw/system rcu: number: 1315576 0 0 rcu: cputime: 28242 24246 35 ==> 52490(ms) rcu: (t=10500 jiffies g=27849 q=5055 ncpus=2) CPU: 0 PID: 8240 Comm: syz.0.732 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 RIP: 0010:queue_work_on+0x1a4/0x1f0 kernel/workqueue.c:1859 Code: 4d 85 e4 75 16 e8 5c 9c 2f 00 eb 15 e8 55 9c 2f 00 e8 40 8f 2c 09 4d 85 e4 74 ea e8 46 9c 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 41 c7 44 RSP: 0018:ffffc90000007380 EFLAGS: 00000246 RAX: ffffffff8157490a RBX: 0000000000000000 RCX: ffff88802d759e00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007448 R08: ffffffff911bc5f7 R09: 1ffffffff22378be R10: dffffc0000000000 R11: fffffbfff22378bf R12: 0000000000000200 R13: 1ffff92000000e74 R14: 0000000000000000 R15: ffff88807efac001 FS: 00007f08a22126c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd84141c6d2 CR3: 0000000060319000 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+0x4f0/0x6e0 net/mac80211/rx.c:3994 ieee80211_rx_handlers+0x65b6/0xb450 net/mac80211/rx.c:4152 ieee80211_invoke_rx_handlers net/mac80211/rx.c:4182 [inline] ieee80211_prepare_and_rx_handle+0x27de/0x6080 net/mac80211/rx.c:5040 ieee80211_rx_for_interface net/mac80211/rx.c:5125 [inline] __ieee80211_rx_handle_packet net/mac80211/rx.c:5298 [inline] ieee80211_rx_list+0x28d4/0x3240 net/mac80211/rx.c:5437 ieee80211_rx_napi+0x1ae/0x3c0 net/mac80211/rx.c:5460 ieee80211_rx include/net/mac80211.h:4971 [inline] ieee80211_handle_queued_frames+0x105/0x190 net/mac80211/main.c:319 tasklet_action_common+0x2d4/0x460 kernel/softirq.c:809 handle_softirqs+0x27d/0x820 kernel/softirq.c:578 __do_softirq kernel/softirq.c:612 [inline] invoke_softirq kernel/softirq.c:452 [inline] __irq_exit_rcu+0xd3/0x190 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:arch_static_branch include/trace/events/lock.h:95 [inline] RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline] RIP: 0010:trace_contention_begin+0x0/0xe0 include/trace/events/lock.h:95 Code: 89 d9 80 e1 07 fe c1 38 c1 0f 8c 6f ff ff ff 48 89 df e8 03 fe 77 00 e9 62 ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <41> 57 41 56 53 66 90 65 8b 05 0e 5c 9c 7e 83 f8 08 73 30 89 c3 c1 RSP: 0018:ffffc90004d47bd8 EFLAGS: 00000292 RAX: ac33f28b069a6c00 RBX: ffff88802d75b228 RCX: ac33f28b069a6c00 RDX: 0000000000000000 RSI: 0000000000000021 RDI: ffff88802d75b228 RBP: ffffc90004d47d30 R08: dffffc0000000000 R09: 1ffffffff22378a8 R10: dffffc0000000000 R11: fffffbfff22378a9 R12: 1ffff920009a8f8c R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 __mutex_lock_common kernel/locking/mutex.c:605 [inline] __mutex_lock+0x146/0xc80 kernel/locking/mutex.c:747 __do_sys_perf_event_open kernel/events/core.c:12959 [inline] __se_sys_perf_event_open+0x18bf/0x1c60 kernel/events/core.c:12601 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f08a139ce59 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:00007f08a2212028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f08a1615fa0 RCX: 00007f08a139ce59 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000080 RBP: 00007f08a1432e6f R08: 000000000000000a R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007f08a1616038 R14: 00007f08a1615fa0 R15: 00007ffcf3708548