rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=b704/1/0x4000000000000000 softirq=14237/14237 fqs=4912
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1068036          0            0
rcu: 	cputime:    24924      27554           89   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=8117 q=2488 ncpus=2)
CPU: 1 UID: 0 PID: 6093 Comm: syz.0.60 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e-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:stack_trace_consume_entry+0xd0/0x280
Code: ff 48 89 74 24 08 49 89 d4 4c 89 04 24 4c 89 cb e8 85 49 76 00 49 89 d9 4c 8b 04 24 4c 89 e2 4c 89 ff 48 8b 74 24 08 48 8b 1f <45> 8d 79 01 0f b6 44 15 00 84 c0 0f 85 3a 01 00 00 45 89 38 4e 8d
RSP: 0018:ffffc900001e0598 EFLAGS: 00000246
RAX: 1ffff9200003c0d4 RBX: ffffc900001e0720 RCX: 405122f854ba5100
RDX: dffffc0000000000 RSI: ffffffff8234260e RDI: ffffc900001e06a0
RBP: 1ffff9200003c0d6 R08: ffffc900001e06b0 R09: 0000000000000017
R10: dffffc0000000000 R11: ffffffff81ad0050 R12: 0000000000000000
R13: 1ffff9200003c0d5 R14: ffffc900001e06a8 R15: 1ffff9200003c0d5
FS:  00007f727a5116c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f727a510fc8 CR3: 0000000109670000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 arch_stack_walk+0x110/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_node_noprof+0x1bb/0x3c0
 __alloc_skb+0x112/0x2d0
 ndisc_alloc_skb+0x9f/0x480
 ndisc_send_rs+0x2b5/0x630
 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_irq_work+0xa3/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+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 8b 2d 21 f6 e8 c6 00 58 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc90006abfae0 EFLAGS: 00000282
RAX: 405122f854ba5100 RBX: 0000000000000000 RCX: 405122f854ba5100
RDX: 0000000000000000 RSI: ffffffff8d99883e RDI: 0000000000000001
RBP: ffffc90006abfb80 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000d57f5c
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:kasan_save_alloc_info+0x43/0x50
Code: c6 0f 94 c0 08 c8 74 09 5b 41 5e c3 cc cc cc cc cc 89 d3 ba 10 00 00 00 4c 89 f7 31 f6 e8 75 6a 4b 09 4c 89 f7 89 de 5b 41 5e <e9> c8 ce ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90006abfc40 EFLAGS: 00000246
RAX: ffff888121799760 RBX: ffff888121799700 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000dc0 RDI: ffff888121799760
RBP: 0000000000000dc0 R08: 0000000000000000 R09: 0000000000000000
R10: ffff888121799760 R11: ffffed1020ef7221 R12: 0000000000000060
R13: ffff888121799700 R14: ffff88801b68f140 R15: 0000000000000001
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_noprof+0x1c1/0x3c0
 security_file_alloc+0x34/0x330
 init_file+0x93/0x2f0
 alloc_empty_file+0x6e/0x1d0
 alloc_file_pseudo+0x13d/0x210
 sock_alloc_file+0xb8/0x2e0
 __sys_socket+0x13d/0x1b0
 __x64_sys_socket+0x7a/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f727978e9a9
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:00007f727a511038 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f72799b6080 RCX: 00007f727978e9a9
RDX: 0000000000000106 RSI: 0200000000000001 RDI: 0000000000000002
RBP: 00007f7279810d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f72799b6080 R15: 00007ffeb5c86048
 </TASK>
sched: DL replenish lagged too much
