rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-....: (10219 ticks this GP) idle=22ec/1/0x4000000000000000 softirq=36248/36249 fqs=3979
rcu: hardirqs softirqs csw/system
rcu: number: 1328883 0 0
rcu: cputime: 18019 34459 62 ==> 52480(ms)
rcu: (t=10500 jiffies g=42709 q=1244 ncpus=2)
CPU: 0 PID: 11295 Comm: syz.4.1469 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:147 [inline]
RIP: 0010:wrmsr arch/x86/include/asm/msr.h:254 [inline]
RIP: 0010:native_apic_msr_write+0x39/0x50 arch/x86/include/asm/apic.h:196
Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 f3 0f 1e fa 89 f6 31 d2 e9 f7 36 19 03 0f 1f 80 00 00 00
RSP: 0018:ffffc90000006798 EFLAGS: 00000246
RAX: 00000000000000f6 RBX: 0000000000000200 RCX: 000000000000083f
RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f
RBP: 0000000000000000 R08: ffffc90000006707 R09: 1ffff92000000ce0
R10: dffffc0000000000 R11: fffff52000000ce1 R12: 0000000000000001
R13: dffffc0000000000 R14: ffffffff8ce2c0a8 R15: 0000000000000020
FS: 00007f1fc518d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000072a25000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
__apic_send_IPI_self arch/x86/include/asm/apic.h:454 [inline]
arch_irq_work_raise+0x68/0x70 arch/x86/kernel/irq_work.c:31
irq_work_queue+0x99/0x140 kernel/irq_work.c:124
__kfence_alloc+0x263/0x3a0 mm/kfence/core.c:1094
kfence_alloc include/linux/kfence.h:129 [inline]
slab_alloc_node mm/slub.c:3481 [inline]
kmem_cache_alloc_node+0x2c0/0x330 mm/slub.c:3540
__alloc_skb+0x108/0x2c0 net/core/skbuff.c:643
skb_copy+0x13d/0x7a0 net/core/skbuff.c:1987
mac80211_hwsim_tx_frame_no_nl+0xc81/0x1170 drivers/net/wireless/virtual/mac80211_hwsim.c:1840
mac80211_hwsim_tx+0x184a/0x2570 drivers/net/wireless/virtual/mac80211_hwsim.c:2058
drv_tx net/mac80211/driver-ops.h:37 [inline]
wake_tx_push_queue net/mac80211/util.c:305 [inline]
ieee80211_handle_wake_tx_queue+0x18c/0x2a0 net/mac80211/util.c:322
drv_wake_tx_queue net/mac80211/driver-ops.h:1251 [inline]
schedule_and_wake_txq net/mac80211/driver-ops.h:1258 [inline]
ieee80211_queue_skb+0x1a11/0x2140 net/mac80211/tx.c:1678
ieee80211_tx+0x298/0x420 net/mac80211/tx.c:1980
__ieee80211_subif_start_xmit+0xdd8/0x14c0 net/mac80211/tx.c:4333
ieee80211_subif_start_xmit+0xe1/0x500 net/mac80211/tx.c:4527
__netdev_start_xmit include/linux/netdevice.h:4943 [inline]
netdev_start_xmit include/linux/netdevice.h:4957 [inline]
xmit_one net/core/dev.c:3619 [inline]
dev_hard_start_xmit+0x246/0x740 net/core/dev.c:3635
__dev_queue_xmit+0x1a64/0x35a0 net/core/dev.c:4425
neigh_output include/net/neighbour.h:543 [inline]
ip6_finish_output2+0xe2e/0x1650 net/ipv6/ip6_output.c:141
dst_output include/net/dst.h:467 [inline]
NF_HOOK include/linux/netfilter.h:304 [inline]
ndisc_send_skb+0xbed/0x14b0 net/ipv6/ndisc.c:513
addrconf_rs_timer+0x2bc/0x600 net/ipv6/addrconf.c:4006
call_timer_fn+0x16e/0x530 kernel/time/timer.c:1701
expire_timers kernel/time/timer.c:1752 [inline]
__run_timers+0x52d/0x7d0 kernel/time/timer.c:2023
run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2036
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:finish_task_switch+0x26a/0x920 kernel/sched/core.c:5254
Code: 0f 84 37 01 00 00 48 85 db 0f 85 56 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 80 ca 14 09 e8 4b a4 2f 00 fb 4c 8b 65 c0 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc90004a2f878 EFLAGS: 00000286
RAX: 0ba27f299f1ca400 RBX: 0000000000000000 RCX: 0ba27f299f1ca400
RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: ffffffff8afc6f80
RBP: ffffc90004a2f8d0 R08: ffffffff90d94547 R09: 1ffffffff21b28a8
R10: dffffc0000000000 R11: fffffbfff21b28a9 R12: ffff88801ab1da00
R13: dffffc0000000000 R14: ffff8880275c9e00 R15: ffff8880b8e3cac8
context_switch kernel/sched/core.c:5383 [inline]
__schedule+0x14da/0x44d0 kernel/sched/core.c:6699
preempt_schedule_common+0x82/0xc0 kernel/sched/core.c:6866
preempt_schedule+0xab/0xc0 kernel/sched/core.c:6890
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45
__mutex_lock_common kernel/locking/mutex.c:613 [inline]
__mutex_lock+0x322/0xcc0 kernel/locking/mutex.c:747
__do_sys_perf_event_open kernel/events/core.c:12925 [inline]
__se_sys_perf_event_open+0x1878/0x1c20 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: 0033:0x7f1fc438f749
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:00007f1fc518d038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f1fc45e6090 RCX: 00007f1fc438f749
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000140
RBP: 00007f1fc4413f91 R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1fc45e6128 R14: 00007f1fc45e6090 R15: 00007fffab848628