rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10501 ticks this GP) idle=9abc/1/0x4000000000000000 softirq=100894/100894 fqs=5135
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1059557          0            0
rcu: 	cputime:    29956      22533           88   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=94489 q=1460 ncpus=2)
CPU: 0 UID: 0 PID: 24228 Comm: syz.3.5434 Not tainted 6.16.0-syzkaller-11113-gf3af62b6cee8-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:veth_xmit+0x1f1/0xe30
Code: 0f 85 74 0a 00 00 41 0f b7 2c 24 4c 8d a3 e4 00 00 00 4c 89 e0 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 71 0a 00 00 45 8b 34 24 <44> 89 f7 89 ee e8 85 e0 44 fb 41 39 ee 0f 86 03 01 00 00 4c 8d a3
RSP: 0018:ffffc90000006d68 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff888125530000 RCX: ffff888109185640
RDX: 0000000000000100 RSI: 000000000000004c RDI: 000000000000000d
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff867abe9a
R10: dffffc0000000000 R11: ffffffff867abe30 R12: ffff8881255300e4
R13: 000000000000004c R14: 0000000000000001 R15: ffff88804213a000
FS:  00007fc71bb396c0(0000) GS:ffff8880b862a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f43910a0fc8 CR3: 00000000442fa000 CR4: 00000000000006f0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 dev_hard_start_xmit+0x2d7/0x830
 __dev_queue_xmit+0x1b8d/0x3b50
 hsr_forward_skb+0x158b/0x2860
 hsr_dev_xmit+0x1a5/0x220
 dev_hard_start_xmit+0x2d7/0x830
 __dev_queue_xmit+0x1b8d/0x3b50
 ip6_finish_output2+0x11fe/0x16a0
 ndisc_send_skb+0xb54/0x1440
 addrconf_rs_timer+0x369/0x670
 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:finish_task_switch+0x26b/0x950
Code: 0f 84 3c 01 00 00 48 85 db 0f 85 63 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 6f e1 e8 09 e8 1a 28 36 00 fb 4c 8b 65 c0 <49> 8d bc 24 18 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc90003bffab8 EFLAGS: 00000286
RAX: 62f561d82ec09b00 RBX: 0000000000000000 RCX: 62f561d82ec09b00
RDX: 0000000000000000 RSI: ffffffff8d9b163e RDI: ffffffff8be2fd00
RBP: ffffc90003bffb10 R08: ffffffff8fa32437 R09: 1ffffffff1f46486
R10: dffffc0000000000 R11: fffffbfff1f46487 R12: ffff888109185640
R13: dffffc0000000000 R14: ffff888109070000 R15: ffff88804b03ab58
 __schedule+0x17a0/0x4cc0
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:fput+0x0/0xd0
Code: 5b 41 5e 41 5f e9 40 11 46 09 cc 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 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 53 48 89 fb e8 de 6c 8b ff 4c 8d b3 60
RSP: 0018:ffffc90003bffeb0 EFLAGS: 00000287
RAX: ffffffff8238ed20 RBX: ffff888027c7b801 RCX: 0000000000080000
RDX: ffffc90008c20000 RSI: 0000000000000d32 RDI: ffff888027c7b800
RBP: 0000000000000000 R08: ffff88801dc47837 R09: 1ffff11003b88f06
R10: dffffc0000000000 R11: ffffed1003b88f07 R12: 0000000000005452
R13: 0000000000000007 R14: ffff888027c7b800 R15: 0000000000000000
 __se_sys_ioctl+0x168/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc71ad8ebe9
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:00007fc71bb39038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc71afb5fa0 RCX: 00007fc71ad8ebe9
RDX: 0000200000001280 RSI: 0000000000005452 RDI: 0000000000000007
RBP: 00007fc71ae11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc71afb6038 R14: 00007fc71afb5fa0 R15: 00007ffc1d814f78
 </TASK>
sched: DL replenish lagged too much
