rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=5e04/1/0x4000000000000000 softirq=200294/200295 fqs=3761
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   808916          0            0
rcu: 	cputime:    19907      14722           52   ==> 34630(ms)
rcu: 	(t=10500 jiffies g=200349 q=2565 ncpus=2)
CPU: 0 UID: 0 PID: 12101 Comm: syz.8.11445 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:lock_acquire+0x95/0x2e0
Code: 00 48 8b 74 24 68 4c 89 ef e8 57 50 8e 00 83 3d e0 5b 70 0e 00 0f 84 c1 00 00 00 65 8b 05 c3 19 7b 11 85 c0 0f 85 b2 00 00 00 <65> 48 8b 05 0b d4 7a 11 83 b8 54 0b 00 00 00 0f 85 9d 00 00 00 9c
RSP: 0018:ffffc900000073e0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff931cf180 RCX: 0000000000000102
RDX: 0000000000000000 RSI: ffffffff81767eb2 RDI: 1ffffffff1cebcbc
RBP: 0000000000000000 R08: 0000000000000002 R09: 0000000000000000
R10: ffffc90000007578 R11: ffffffff81b0c390 R12: 0000000000000002
R13: ffffffff8e75e5e0 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f51703856c0(0000) GS:ffff88818de5a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000029c0 CR3: 00000001b5bee000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 unwind_next_frame+0xc2/0x23c0
 arch_stack_walk+0x11b/0x150
 stack_trace_save+0xa9/0x100
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_noprof+0x2bc/0x650
 dst_alloc+0x105/0x170
 icmp6_dst_alloc+0x75/0x440
 ndisc_send_skb+0x44a/0x1670
 addrconf_rs_timer+0x395/0x6d0
 call_timer_fn+0x192/0x640
 __run_timer_base+0x652/0x8b0
 run_timer_softirq+0xb7/0x170
 handle_softirqs+0x22a/0x870
 __irq_exit_rcu+0x5f/0x150
 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+0x245/0x920
Code: 00 00 48 85 db 0f 85 e8 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 49 83 c4 48 4c 89 e7 e8 d5 65 1c 0a e8 30 81 38 00 fb 4c 8b 65 c0 <49> 8d bc 24 80 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc9000759f498 EFLAGS: 00000202
RAX: 0000000000000bd3 RBX: 0000000000000000 RCX: 0000000080000001
RDX: 0000000000000007 RSI: ffffffff8def8e53 RDI: ffffffff8c27ca00
RBP: ffffc9000759f4f0 R08: ffffffff9011b4b7 R09: 1ffffffff2023696
R10: dffffc0000000000 R11: fffffbfff2023697 R12: ffff888101b49d40
R13: dffffc0000000000 R14: ffff88816c67ba80 R15: ffff88812103b998
 __schedule+0x15e5/0x52d0
 preempt_schedule_common+0x82/0xd0
 preempt_schedule_thunk+0x16/0x30
 _raw_spin_unlock_irqrestore+0x74/0x80
 __slab_free+0x211/0x2b0
 qlist_free_all+0x97/0x100
 kasan_quarantine_reduce+0x148/0x160
 __kasan_slab_alloc+0x22/0x80
 __kmalloc_cache_noprof+0x2ba/0x660
 bpf_int_jit_compile+0x1be/0x1480
 bpf_prog_select_runtime+0x4a3/0x810
 bpf_prog_load+0x14b3/0x1ae0
 __sys_bpf+0x618/0x950
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f516f59c799
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:00007f5170385028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f516f815fa0 RCX: 00007f516f59c799
RDX: 0000000000000094 RSI: 00002000000005c0 RDI: 0000000000000005
RBP: 00007f516f632c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f516f816038 R14: 00007f516f815fa0 R15: 00007ffcd4a5ec98
 </TASK>
sched: DL replenish lagged too much
