rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10475 ticks this GP) idle=11a4/1/0x4000000000000000 softirq=16112/16315 fqs=5128
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1250992        646            0
rcu: 	cputime:    33732      18754           41   ==> 52490(ms)
rcu: 	(t=10501 jiffies g=8757 q=2552 ncpus=2)
CPU: 0 UID: 0 PID: 6098 Comm: syz.0.54 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_push+0x0/0xe0
Code: 49 89 d4 e8 92 a3 c7 f8 4c 89 e2 e9 d3 fd ff ff e8 55 2f 64 f8 90 0f 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 41 57 41 56 41 55 41 54 53 89 f3 49 89 fe 49 bd 00 00
RSP: 0018:ffffc90000007678 EFLAGS: 00000246
RAX: ffffffff8981f1a7 RBX: ffff888021529080 RCX: ffff88802084b980
RDX: 0000000000000100 RSI: 000000000000000e RDI: ffff888021529080
RBP: 0000000000000038 R08: 0000000000000000 R09: 0000000000000038
R10: dffffc0000000000 R11: ffffffff8981f180 R12: 0000000000000000
R13: ffff8880215290f0 R14: ffff888114764000 R15: 00000000000086dd
FS:  00007f36b66bc6c0(0000) GS:ffff8880b861c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd4aaddf08 CR3: 000000002715e000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 eth_header+0x34/0x200
 neigh_resolve_output+0x4de/0x750
 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:unwind_get_return_address+0x22/0x90
Code: 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 41 56 53 48 89 fb 49 be 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 42 0f b6 04 30 <84> c0 75 4c 83 3b 00 74 3a 48 83 c3 48 49 89 df 49 c1 ef 03 43 80
RSP: 0018:ffffc9000454ecc8 EFLAGS: 00000a02
RAX: 0000000000000000 RBX: ffffc9000454ece8 RCX: b96a3c62b81f1600
RDX: 0000000000000007 RSI: ffffffff8d9b6a5f RDI: ffffc9000454ece8
RBP: ffffc9000454ed70 R08: ffffffff8fa38037 R09: 1ffffffff1f47006
R10: dffffc0000000000 R11: fffffbfff1f47007 R12: ffff88802084b980
R13: 1ffff920008a9e20 R14: dffffc0000000000 R15: ffffc9000454ece8
 arch_stack_walk+0xfc/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 call_rcu+0x157/0x9c0
 __schedule+0x17a0/0x4cc0
 preempt_schedule_common+0x83/0xd0
 preempt_schedule+0xae/0xc0
 preempt_schedule_thunk+0x16/0x30
 _raw_spin_unlock_irqrestore+0xfd/0x110
 rcu_preempt_deferred_qs_irqrestore+0x8bd/0xce0
 rcu_read_unlock_special+0x475/0x5e0
 __rcu_read_unlock+0x84/0xe0
 is_module_text_address+0x190/0x1e0
 kernel_text_address+0x94/0xe0
 __kernel_text_address+0xd/0x40
 unwind_get_return_address+0x4d/0x90
 arch_stack_walk+0xfc/0x150
 stack_trace_save+0x9c/0xe0
 save_stack+0xf5/0x1f0
 __reset_page_owner+0x71/0x1f0
 __free_frozen_pages+0xbc4/0xd30
 __slab_free+0x303/0x3c0
 qlist_free_all+0x97/0x140
 kasan_quarantine_reduce+0x148/0x160
 __kasan_slab_alloc+0x22/0x80
 kmem_cache_alloc_noprof+0x1c1/0x3c0
 security_inode_alloc+0x39/0x330
 inode_init_always_gfp+0x9ed/0xdc0
 alloc_inode+0x82/0x1b0
 __sock_create+0x12d/0x9f0
 __sys_socket+0xd7/0x1b0
 __x64_sys_socket+0x7a/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f36b578ebe9
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:00007f36b66bc038 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f36b59c5fa0 RCX: 00007f36b578ebe9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000023
RBP: 00007f36b5811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f36b59c6038 R14: 00007f36b59c5fa0 R15: 00007ffd316c0f08
 </TASK>
