rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=c694/1/0x4000000000000000 softirq=18750/18751 fqs=4579
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   986578          0            0
rcu: 	cputime:    24042      28447           90   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=11805 q=2670 ncpus=2)
CPU: 0 UID: 0 PID: 7257 Comm: syz.0.632 Not tainted 6.16.0-rc6-syzkaller-00434-gcd7c97f4584a-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:stack_trace_consume_entry+0x0/0x280
Code: 75 0e 48 8d 65 f0 5b 41 5e 5d e9 9b 6e c4 09 cc e8 e5 92 c1 09 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 55 41 57 41 56 41 55 41 54 53 48 83 ec 18 48 ba 00 00
RSP: 0018:ffffc900000076c0 EFLAGS: 00000282
RAX: ffffffff818d4a04 RBX: ffffc90000007780 RCX: 8bbd49f5b9d0ea00
RDX: 0000000000000001 RSI: ffffffff818d4a04 RDI: ffffc90000007780
RBP: ffffc90000007750 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: ffffffff81acf520 R12: ffff88810789b980
R13: ffff88802937b100 R14: ffffffff81acf520 R15: ffffc900000076c8
FS:  00007fbe4e04e6c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200001000000 CR3: 000000002a574000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x110/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_node_noprof+0x1bb/0x3c0
 kmalloc_reserve+0xbd/0x290
 __alloc_skb+0x142/0x2d0
 wg_packet_send_keepalive+0x65/0x2c0
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:_raw_spin_unlock_irqrestore+0xa8/0x110
Code: 74 05 e8 9b 93 56 f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> e3 c1 1f f6 65 8b 05 bc f9 2e 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc9000300f980 EFLAGS: 00000206
RAX: 8bbd49f5b9d0ea00 RBX: 0000000000000a06 RCX: 8bbd49f5b9d0ea00
RDX: 0000000000000006 RSI: ffffffff8d998701 RDI: 0000000000000001
RBP: ffffc9000300fa00 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: dffffc0000000000
R13: ffff8880362a8000 R14: ffffffff99d7e728 R15: 1ffff92000601f30
 debug_check_no_obj_freed+0x451/0x470
 __free_frozen_pages+0x509/0xe70
 __folio_put+0x21b/0x2c0
 skb_release_data+0x49a/0x7c0
 sk_skb_reason_drop+0x127/0x170
 kcm_release+0x149/0x5c0
 sock_close+0xc3/0x240
 __fput+0x44c/0xa70
 task_work_run+0x1d4/0x260
 exit_to_user_mode_loop+0xec/0x110
 do_syscall_64+0x2bd/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbe4d18eb69
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:00007fbe4e04e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: 0000000000ff8000 RBX: 00007fbe4d3b5fa0 RCX: 00007fbe4d18eb69
RDX: 00000000fffffdef RSI: 0000200000000140 RDI: 000000000000000b
RBP: 00007fbe4d211df1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbe4d3b5fa0 R15: 00007fff3bb58308
 </TASK>
sched: DL replenish lagged too much
