rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-....: (1 GPs behind) idle=a83c/1/0x4000000000000000 softirq=22626/22627 fqs=1294
rcu: hardirqs softirqs csw/system
rcu: number: 1 0 0
rcu: cputime: 202 52268 2 ==> 52510(ms)
rcu: (t=10504 jiffies g=25265 q=911 ncpus=2)
CPU: 1 PID: 22 Comm: kworker/1:0 Not tainted 6.4.0-syzkaller-12019-gba2274dcfda8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: wg-kex-wg0 wg_packet_handshake_receive_worker
RIP: 0010:div_u64_rem include/linux/math64.h:29 [inline]
RIP: 0010:div_u64 include/linux/math64.h:130 [inline]
RIP: 0010:pie_calculate_probability+0x284/0x850 net/sched/sch_pie.c:345
Code: 89 c5 48 89 6c 24 38 e8 9a 6c 2e f9 47 8d 24 a4 31 d2 4c 89 ff 43 8d 0c 24 49 c1 ee 02 48 b8 ff ff ff ff ff ff ff 00 48 f7 f1 <48> 89 c5 48 89 c6 48 c1 eb 02 49 89 cc e8 7a 67 2e f9 49 39 ef 73
RSP: 0018:ffffc900001e0bc0 EFLAGS: 00000206
RAX: 00004189374bc6a7 RBX: 00000000abcc7711 RCX: 00000000000003e8
RDX: 00000000000003a7 RSI: ffffffff8857ff36 RDI: 0000000000000000
RBP: ffff88807985fb00 R08: 0000000000000007 R09: 00028f5c28f5c28e
R10: 0000000000000000 R11: 000000004e1ab999 R12: 00000000000001f4
R13: 0000000000000005 R14: 00000000044b82fa R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000202a5030 CR3: 000000000c776000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
fq_pie_timer+0x1da/0x4f0 net/sched/sch_fq_pie.c:387
call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
expire_timers kernel/time/timer.c:1751 [inline]
__run_timers+0x764/0xb10 kernel/time/timer.c:2022
run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035
__do_softirq+0x218/0x965 kernel/softirq.c:553
invoke_softirq kernel/softirq.c:427 [inline]
__irq_exit_rcu kernel/softirq.c:632 [inline]
irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1109
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:set_pcppage_migratetype mm/page_alloc.c:222 [inline]
RIP: 0010:free_unref_page_prepare+0x303/0xb90 mm/page_alloc.c:2352
Code: 03 83 e3 18 83 e1 3f 48 8d 5c 18 08 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 80 3c 02 00 0f 85 38 07 00 00 48 8b 03 <49> 8d 7d 20 48 ba 00 00 00 00 00 fc ff df 48 d3 e8 48 89 f9 48 c1
RSP: 0018:ffffc900001c7768 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88813fff8b80 RCX: 0000000000000024
RDX: 1ffff11027fff170 RSI: 00000000000000ff RDI: ffff88813fff9068
RBP: ffff88813fff9060 R08: 0000000000000001 R09: 0000000000000000
R10: ffffed1003279000 R11: 00000000000056ff R12: ffff88823ffef000
R13: ffffea000064f200 R14: 0000000000008000 R15: 0000000000000000
free_unref_page+0x33/0x3b0 mm/page_alloc.c:2443
__unfreeze_partials+0x21d/0x240 mm/slub.c:2647
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x18b/0x1d0 mm/kasan/quarantine.c:292
__kasan_slab_alloc+0x65/0x90 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:186 [inline]
slab_post_alloc_hook mm/slab.h:750 [inline]
slab_alloc_node mm/slub.c:3470 [inline]
__kmem_cache_alloc_node+0x18d/0x350 mm/slub.c:3509
kmalloc_trace+0x25/0xe0 mm/slab_common.c:1076
kmalloc include/linux/slab.h:582 [inline]
kzalloc include/linux/slab.h:703 [inline]
keypair_create drivers/net/wireguard/noise.c:100 [inline]
wg_noise_handshake_begin_session+0xe1/0xe80 drivers/net/wireguard/noise.c:827
wg_packet_send_handshake_response+0x20d/0x300 drivers/net/wireguard/send.c:96
wg_receive_handshake_packet+0x248/0xbd0 drivers/net/wireguard/receive.c:154
wg_packet_handshake_receive_worker+0x17f/0x3a0 drivers/net/wireguard/receive.c:213
process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2597
worker_thread+0x687/0x1110 kernel/workqueue.c:2748
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308