rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=f51c/1/0x4000000000000000 softirq=25116/25118 fqs=4359
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   880826          0            0
rcu: 	cputime:    10500      41980           51   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=22293 q=5418 ncpus=2)
CPU: 0 UID: 0 PID: 8725 Comm: syz.1.819 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:__skb_flow_dissect+0x15ca/0x6d50
Code: 42 0f b6 04 38 84 c0 0f 85 90 43 00 00 41 0f b6 06 48 89 44 24 30 48 8b 44 24 50 42 80 3c 38 00 74 08 4c 89 e7 e8 76 6e 87 f8 <4d> 8b 34 24 4c 89 f6 48 83 e6 08 31 ff e8 84 3e 12 f8 49 83 e6 08
RSP: 0018:ffffc900000067c0 EFLAGS: 00000246
RAX: 1ffffffff22f66da RBX: ffff88810ee8d550 RCX: ffff88811547da00
RDX: 0000000000000500 RSI: 0000000000000100 RDI: 0000000000000028
RBP: ffffc90000006dd8 R08: 0000000000000100 R09: 0000000000000000
R10: ffffc90000006c40 R11: fffff52000000d8d R12: ffffffff917b36d0
R13: fffff52000000d28 R14: ffff88810ee8d556 R15: dffffc0000000000
FS:  00007f9d9cc006c0(0000) GS:ffff88818c4ab000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f818ed5da08 CR3: 00000001a671c000 CR4: 00000000000006f0
DR0: 1000000000000801 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __skb_get_hash_net+0xe6/0x2e0
 geneve_xmit+0xf06/0x3350
 dev_hard_start_xmit+0x2cd/0x830
 __dev_queue_xmit+0x14d1/0x3920
 bond_start_xmit+0x63a/0x19e0
 dev_hard_start_xmit+0x2cd/0x830
 __dev_queue_xmit+0x14d1/0x3920
 ip6_output+0x337/0x540
 ndisc_send_skb+0xcb2/0x1650
 addrconf_rs_timer+0x2d2/0x6c0
 call_timer_fn+0x18d/0x5f0
 __run_timer_base+0x652/0x8b0
 run_timer_softirq+0xb7/0x170
 handle_softirqs+0x226/0x860
 __irq_exit_rcu+0xcb/0x220
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:generic_exec_single+0x388/0x3c0
Code: 75 11 e8 3b 5c 0c 00 4d 85 ed 75 16 e8 31 5c 0c 00 eb 15 e8 2a 5c 0c 00 e8 e5 c1 30 0a 4d 85 ed 74 ea e8 1b 5c 0c 00 fb 31 c0 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 03 5c 0c 00 48
RSP: 0018:ffffc90028607a48 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88811547da00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff917ac17f R09: 1ffffffff22f582f
R10: dffffc0000000000 R11: fffffbfff22f5830 R12: dffffc0000000000
R13: 0000000000000200 R14: ffffffff82081540 R15: ffffc90028607c20
 __smp_call_function_single+0x40b/0x7f0
 perf_install_in_context+0x5bd/0x900
 __se_sys_perf_event_open+0x1977/0x1eb0
 do_syscall_64+0x166/0x520
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9d9bd9e559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9d9cc00028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f9d9c025fa0 RCX: 00007f9d9bd9e559
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000480
RBP: 00007f9d9be358b0 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9d9c026038 R14: 00007f9d9c025fa0 R15: 00007ffc75a140c8
 </TASK>
sched: DL replenish lagged too much
