rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=50ac/1/0x4000000000000000 softirq=50703/50704 fqs=5246
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1060551          0            0
rcu: 	cputime:    30251      22238          101   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=45277 q=7135 ncpus=2)
CPU: 1 UID: 0 PID: 13358 Comm: syz.4.2178 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:kasan_check_range+0x9b/0x2c0
Code: 01 00 00 00 00 fc ff df 4d 8d 34 19 4d 89 f4 4d 29 dc 49 83 fc 10 7f 29 4d 85 e4 0f 84 41 01 00 00 4c 89 cb 48 f7 d3 4c 01 fb <41> 80 3b 00 0f 85 de 01 00 00 49 ff c3 48 ff c3 75 ee e9 21 01 00
RSP: 0018:ffffc900001e06a8 EFLAGS: 00000286
RAX: 2490a9049ac13601 RBX: fffffffffffffffc RCX: ffffffff84d01b5f
RDX: 0000000000000001 RSI: 0000000000000028 RDI: ffffc900001e0758
RBP: 0000000000000000 R08: ffffc900001e077f R09: 1ffff9200003c0ef
R10: dffffc0000000000 R11: fffff5200003c0ec R12: 0000000000000005
R13: 00000000000002c0 R14: fffff5200003c0f0 R15: 1ffff9200003c0eb
FS:  00007fde138796c0(0000) GS:ffff8881a3c1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c240d4c CR3: 0000000032660000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __asan_memset+0x22/0x50
 debug_check_no_obj_freed+0x4f/0x470
 kmem_cache_free+0x113/0x400
 skb_release_data+0x62d/0x7c0
 sk_skb_reason_drop+0x127/0x170
 ndisc_send_skb+0xeb6/0x1440
 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:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 eb 8b 15 f6 e8 26 e6 4c f6 fb bf 01 00 00 00 <e8> 5b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90003ed6ae0 EFLAGS: 00000282
RAX: 2490a9049ac13600 RBX: 0000000000000000 RCX: 2490a9049ac13600
RDX: 0000000000000000 RSI: ffffffff8d9b6a61 RDI: 0000000000000001
RBP: ffffc90003ed6b90 R08: ffffffff8fa38137 R09: 1ffffffff1f47026
R10: dffffc0000000000 R11: fffffbfff1f47027 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920007dad5c
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:unwind_next_frame+0x199/0x2390
Code: 04 28 84 c0 0f 85 3c 1b 00 00 4c 89 6c 24 50 4c 89 64 24 20 4c 89 7c 24 48 48 89 5c 24 10 0f b6 1b 48 8b 44 24 30 80 3c 28 00 <4c> 8b 7c 24 18 74 08 4c 89 ff e8 f8 62 b0 00 4d 8b 27 48 83 f3 01
RSP: 0018:ffffc90003ed6c58 EFLAGS: 00000246
RAX: 1ffff920007dadae RBX: 0000000000000000 RCX: 2490a9049ac13600
RDX: 0000000000000001 RSI: ffffffff8be33360 RDI: ffffffff8be33320
RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff8172c195
R10: ffffc90003ed6d78 R11: ffffffff81ac3c20 R12: 1ffff920007dada5
R13: ffffc90003ed6d78 R14: ffffc90003ed6d28 R15: ffffffff8172c195
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x5b/0x80
 kfree+0x18e/0x440
 krealloc_noprof+0x1cd/0x340
 push_jmp_history+0x1cc/0x6f0
 do_check+0x52cb/0xe520
 do_check_common+0x1949/0x24f0
 bpf_check+0x1746a/0x1d2e0
 bpf_prog_load+0x1318/0x1930
 __sys_bpf+0x528/0x870
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fde1298ebe9
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:00007fde13879038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fde12bb5fa0 RCX: 00007fde1298ebe9
RDX: 0000000000000048 RSI: 00002000000017c0 RDI: 0000000000000005
RBP: 00007fde12a11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fde12bb6038 R14: 00007fde12bb5fa0 R15: 00007ffe7e082858
 </TASK>
sched: DL replenish lagged too much
