rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10496 ticks this GP) idle=75d4/1/0x4000000000000000 softirq=14495/14495 fqs=5244
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1028239          1            0
rcu: 	cputime:    33656      18843           92   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=9413 q=3705 ncpus=2)
CPU: 0 UID: 0 PID: 6577 Comm: syz.2.176 Not tainted syzkaller #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:queue_work_on+0x1f7/0x270
Code: 4d 85 ff 75 16 e8 49 10 37 00 eb 15 e8 42 10 37 00 e8 fd 1f d1 09 4d 85 ff 74 ea e8 33 10 37 00 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 04 2e 00 00 00 00 66 43 c7 44 2e 09 00 00 43 c6 44 2e 0b 00
RSP: 0018:ffffc90000007900 EFLAGS: 00000246
RAX: ffffffff818aa21d RBX: ffffe8ffffc41e01 RCX: ffff88810e2c0000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900000079f0 R08: ffffffff8f821f77 R09: 1ffffffff1f043ee
R10: dffffc0000000000 R11: fffffbfff1f043ef R12: 0000000000000000
R13: dffffc0000000000 R14: 1ffff92000000f28 R15: 0000000000000200
FS:  00007f58f1c3e6c0(0000) GS:ffff88818e835000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f59d423afc8 CR3: 000000011cf2e000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 wg_packet_send_staged_packets+0x10d0/0x17d0
 call_timer_fn+0x16e/0x590
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x27d/0x850
 __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 7b 2a 6b 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> 53 ae 32 f6 65 8b 05 ec 50 20 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc90003277c20 EFLAGS: 00000206
RAX: 1f66f05acd6b4600 RBX: 0000000000000a06 RCX: 1f66f05acd6b4600
RDX: 0000000000000000 RSI: ffffffff8d792409 RDI: 0000000000000001
RBP: ffffc90003277ca0 R08: ffffffff8f821f77 R09: 1ffffffff1f043ee
R10: dffffc0000000000 R11: fffffbfff1f043ef R12: dffffc0000000000
R13: ffff888114b9b300 R14: ffffffff99b23048 R15: 1ffff9200064ef84
 debug_check_no_obj_freed+0x52e/0x550
 kmem_cache_free+0x110/0x620
 do_sys_openat2+0x15a/0x200
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f58f0d8e010
Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 69 95 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 bc 95 02 00 8b 44
RSP: 002b:00007f58f1c3df10 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f58f0d8e010
RDX: 0000000000000000 RSI: 00007f58f1c3dfa0 RDI: 00000000ffffff9c
RBP: 00007f58f1c3dfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f58f0fe6038 R14: 00007f58f0fe5fa0 R15: 00007ffd8086b128
 </TASK>
sched: DL replenish lagged too much
