clocksource: Long readout interval, skipping watchdog check: cs_nsec: 51446064983 wd_nsec: 51446064816
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10500 ticks this GP) idle=38a4/1/0x4000000000000000 softirq=174786/174845 fqs=4743
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   863228          6            0
rcu: 	cputime:    39433      13056           52   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=173813 q=1569 ncpus=2)
CPU: 1 UID: 0 PID: 7562 Comm: syz.5.11054 Not tainted 6.16.0-syzkaller-11113-gf3af62b6cee8-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:arch_stack_walk+0xf7/0x150
Code: ff 00 00 00 00 48 8d bd 78 ff ff ff 4c 89 e6 4c 89 fa e8 dc 4e 09 00 83 bd 78 ff ff ff 00 74 38 4c 8d bd 78 ff ff ff 4c 89 ff <e8> 24 25 09 00 48 85 c0 74 24 48 89 df 48 89 c6 4d 89 f3 2e e8 40
RSP: 0018:ffffc900001e0428 EFLAGS: 00000202
RAX: 0000000090400f01 RBX: ffffc900001e04e0 RCX: c7bd5beb92163600
RDX: 0000000000000006 RSI: ffffffff8dba01ee RDI: ffffc900001e0428
RBP: ffffc900001e04b0 R08: ffffc900001e0798 R09: 0000000000000000
R10: ffffc900001e0478 R11: fffff5200003c091 R12: ffff88801fae1cc0
R13: ffff8881214a0180 R14: ffffffff81ac34b0 R15: ffffc900001e0428
FS:  00007f278d4366c0(0000) GS:ffff8881a3c2a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000011ae1a000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 00000000000f0602
Call Trace:
 <IRQ>
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_noprof+0x1c1/0x3c0
 dst_alloc+0x105/0x170
 icmp6_dst_alloc+0x75/0x420
 ndisc_send_skb+0x41f/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:rcu_read_unlock_special+0x87/0x5e0
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 32 4c f8 10 41 f7 c6 00 00 f0 00 74 49 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc900071172e0 EFLAGS: 00000206
RAX: c7bd5beb92163600 RBX: 1ffff92000e22e64 RCX: c7bd5beb92163600
RDX: 0000000000000007 RSI: ffffffff8d9b1620 RDI: ffffffff8be2fd00
RBP: ffffc900071173d0 R08: ffffffff8fa32437 R09: 1ffffffff1f46486
R10: dffffc0000000000 R11: fffffbfff1f46487 R12: ffffffff8e13f100
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000002
 __rcu_read_unlock+0x84/0xe0
 get_mem_cgroup_from_objcg+0x1b0/0x1d0
 __memcg_kmem_uncharge_page+0x85/0x170
 __free_frozen_pages+0x17b/0xd30
 pagetable_dtor_free+0x2d2/0x3b0
 __mmdrop+0xb5/0x460
 finish_task_switch+0x3ee/0x950
 __schedule+0x17a0/0x4cc0
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_call_function_single+0x1a/0x20
RIP: 0010:__slab_free+0x251/0x3c0
Code: ea 48 8b 4c 24 10 4d 89 f8 e8 1b e1 ff ff 41 89 c7 e9 44 fe ff ff 48 8b 5c 24 10 4c 89 f9 4c 89 e0 4c 89 ea f0 48 0f c7 4e 20 <0f> 85 95 fe ff ff 48 85 ed 75 2c 45 85 ed 79 57 65 48 8b 05 77 b2
RSP: 0018:ffffc900071179e8 EFLAGS: 00000242
RAX: ffff88803886d380 RBX: ffff88803886d500 RCX: 0000000000150006
RDX: 0000000000150007 RSI: ffffea0000e21b00 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f46487 R12: ffff88803886d380
R13: 0000000000150007 R14: ffff888100ab08c0 R15: 0000000000150006
 qlist_free_all+0x97/0x140
 kasan_quarantine_reduce+0x148/0x160
 __kasan_slab_alloc+0x22/0x80
 kmem_cache_alloc_lru_noprof+0x1c6/0x3d0
 __d_alloc+0x36/0x7a0
 d_alloc_pseudo+0x21/0xc0
 alloc_file_pseudo+0xcc/0x210
 anon_inode_getfile+0xc5/0x1a0
 __se_sys_perf_event_open+0xf20/0x1d70
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f278c58ebe9
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:00007f278d436038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f278c7b5fa0 RCX: 00007f278c58ebe9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000012c0
RBP: 00007f278c611e19 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f278c7b6038 R14: 00007f278c7b5fa0 R15: 00007fff5fc5a238
 </TASK>
