rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10500 ticks this GP) idle=9604/1/0x4000000000000000 softirq=164764/164764 fqs=4122
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1081114          0            0
rcu: 	cputime:    32105      20363           86   ==> 52470(ms)
rcu: 	(t=10500 jiffies g=162021 q=2243 ncpus=2)
CPU: 1 UID: 0 PID: 9884 Comm: syz.2.15314 Not tainted 6.16.0-syzkaller-11113-gf3af62b6cee8 #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:wg_packet_send_staged_packets+0xafc/0x17d0
Code: 6a 40 b6 fb 4c 8b 3b 49 8d 9f 10 07 00 00 48 89 df be 04 00 00 00 e8 f3 42 b6 fb 41 be 01 00 00 00 f0 45 0f c1 b7 10 07 00 00 <31> ff 44 89 f6 e8 1a f1 52 fb 45 85 f6 0f 84 fa 09 00 00 bf fe ff
RSP: 0018:ffffc900001e0a00 EFLAGS: 00000202
RAX: 1ffff11006dc6801 RBX: ffff88803cf44c68 RCX: ffffffff866cb1fd
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88803cf44c68
RBP: ffffc900001e0b90 R08: ffff88803cf44c6b R09: 1ffff110079e898d
R10: dffffc0000000000 R11: ffffed10079e898e R12: ffffc900001e0ab0
R13: ffffc900001e0ab0 R14: 0000000000000001 R15: ffff88803cf44558
FS:  00007f2f0c0596c0(0000) GS:ffff8881a3c2a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000119768000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 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 cb 45 4d 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 04 16 f6 65 8b 05 1c 6a 25 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc90008e37aa0 EFLAGS: 00000206
RAX: aa73b99e83b65600 RBX: 0000000000000a02 RCX: aa73b99e83b65600
RDX: 0000000000000000 RSI: ffffffff8d9b1618 RDI: 0000000000000001
RBP: ffffc90008e37b28 R08: ffffffff8fa32437 R09: 1ffffffff1f46486
R10: dffffc0000000000 R11: fffffbfff1f46487 R12: dffffc0000000000
R13: 1ffff11026cc75be R14: ffff888123126050 R15: 1ffff920011c6f54
 try_to_wake_up+0x7b7/0x12b0
 wake_up_q+0x85/0xd0
 futex_wake+0x4a0/0x560
 do_futex+0x395/0x420
 __se_sys_futex+0x36f/0x400
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2f0b18eb69
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:00007f2f0c0590e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f2f0b3b5fa8 RCX: 00007f2f0b18eb69
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f2f0b3b5fac
RBP: 00007f2f0b3b5fa0 R08: 7fffffffffffffff R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2f0b3b5fac
R13: 0000000000000000 R14: 00007ffc7a9477c0 R15: 00007ffc7a9478a8
 </TASK>
sched: DL replenish lagged too much
