rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=bf54/1/0x4000000000000000 softirq=31783/31784 fqs=4684
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   873863          0            0
rcu: 	cputime:    28352      24136          105   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=23709 q=2704 ncpus=2)
CPU: 0 UID: 0 PID: 9112 Comm: syz.3.898 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e-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:_raw_spin_unlock_irqrestore+0xa8/0x110
Code: 74 05 e8 cb 8e 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> 13 bd 1f f6 65 8b 05 bc e9 2e 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc90000007940 EFLAGS: 00000206
RAX: 5a1935883345cc00 RBX: 0000000000000a06 RCX: 5a1935883345cc00
RDX: 0000000000000002 RSI: ffffffff8d998940 RDI: 0000000000000001
RBP: ffffc900000079c0 R08: ffffffff8fa1e9f7 R09: 1ffffffff1f43d3e
R10: dffffc0000000000 R11: fffffbfff1f43d3f R12: dffffc0000000000
R13: ffffffff99e29a20 R14: ffffffff99e299e0 R15: 1ffff92000000f28
FS:  00007f6e9e8156c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000002ffaa000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __wake_up_common_lock+0x190/0x1f0
 aoenet_xmit+0x13b/0x1a0
 aoecmd_cfg+0x765/0x7c0
 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:exit_signals+0x31a/0x580
Code: 0f 84 f0 00 00 00 80 3d 41 49 03 0e 01 0f 85 ed 00 00 00 e8 f8 c5 37 00 e9 98 fd ff ff e8 ee c5 37 00 48 89 df e8 96 4e 0a 00 <48> 83 c3 2c 48 89 d8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 dd 01
RSP: 0018:ffffc90008cc7a98 EFLAGS: 00000246
RAX: 5a1935883345cc00 RBX: ffff8881080db980 RCX: 5a1935883345cc00
RDX: 0000000000000007 RSI: ffffffff8d998940 RDI: ffffffff8be29f40
RBP: 0000000000000004 R08: ffffffff8fa1e9f7 R09: 1ffffffff1f43d3e
R10: dffffc0000000000 R11: fffffbfff1f43d3f R12: dffffc0000000000
R13: 0000000000000000 R14: ffff8881072b70ac R15: ffff8881080dc2a0
 do_exit+0x352/0x22e0
 do_group_exit+0x21c/0x2d0
 get_signal+0x1286/0x1340
 arch_do_signal_or_restart+0x9a/0x750
 exit_to_user_mode_loop+0x75/0x110
 do_syscall_64+0x2bd/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6e9d98e9a9
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:00007f6e9e8150e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f6e9dbb5fa8 RCX: 00007f6e9d98e9a9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6e9dbb5fa8
RBP: 00007f6e9dbb5fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6e9dbb5fac
R13: 0000000000000000 R14: 00007ffe244ffe10 R15: 00007ffe244ffef8
 </TASK>
sched: DL replenish lagged too much
