rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=41ec/1/0x4000000000000000 softirq=164604/164683 fqs=5236
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1215732          0            0
rcu: 	cputime:    33215      19274           39   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=165521 q=4118 ncpus=2)
CPU: 1 UID: 0 PID: 6551 Comm: syz.2.9973 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:unwind_next_frame+0x374/0x2390
Code: ea 48 01 d2 48 01 f2 48 bd 00 00 00 00 00 fc ff df 0f 84 37 01 00 00 4c 8d 62 04 4c 8d 6a 05 4c 89 e0 48 c1 e8 03 0f b6 04 28 <84> c0 0f 85 6d 19 00 00 4c 89 e8 48 c1 e8 03 0f b6 04 28 84 c0 0f
RSP: 0018:ffffc900001e04b8 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: ffffffff8fbfc910 RCX: ffffffff8fbfc914
RDX: ffffffff90401844 RSI: ffffffff90401844 RDI: ffffffff8be2fca0
RBP: dffffc0000000000 R08: 000000000000000f R09: ffffffff8172c025
R10: dffffc0000000000 R11: ffffffff81ac34b0 R12: ffffffff90401848
R13: ffffffff90401849 R14: ffffc900001e0588 R15: ffffffff8fbfc910
FS:  00007efea21f66c0(0000) GS:ffff8881a3c2a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c366da3 CR3: 0000000111854000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 call_rcu+0x157/0x9c0
 inet_frag_destroy+0x1f6/0x2a0
 ip_expire+0x5b5/0x8f0
 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:refill_stock+0x465/0x870
Code: 26 41 be 02 00 00 00 eb 1e 41 be 03 00 00 00 eb 16 41 be 04 00 00 00 eb 0e 41 be 05 00 00 00 eb 06 41 be 06 00 00 00 49 89 dd <4f> 8d 24 37 49 83 c4 38 4c 89 e0 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc900065b70b8 EFLAGS: 00000246
RAX: ffff8881000edb00 RBX: ffff8881a3c2a000 RCX: 827996203db79c00
RDX: 0000000000000000 RSI: ffffffff8be2fce0 RDI: ffffffff8be2fca0
RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff822b79cd
R10: dffffc0000000000 R11: ffffed102001d131 R12: ffff88813663b440
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88813663b400
 __memcg_kmem_uncharge_page+0xba/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_apic_timer_interrupt+0x1a/0x20
RIP: 0010:rcu_read_unlock_special+0x0/0x5e0
Code: 89 fd 4c 89 f7 e8 e0 dc 7b 00 4c 89 ef e9 7a ff ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48
RSP: 0018:ffffc900065b76c0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffff88801afd3dc4 RCX: 827996203db79c00
RDX: 0000000000000001 RSI: ffffffff8dba01e3 RDI: ffff88801afd3980
RBP: dffffc0000000000 R08: ffffc900065b7b90 R09: 0000000000000000
R10: ffffc900065b7818 R11: fffff52000cb6f05 R12: 1ffff110035fa7b8
R13: ffffc900065b0000 R14: ffff88801afd3dc8 R15: dffffc0000000000
 __rcu_read_unlock+0x84/0xe0
 unwind_next_frame+0x19ae/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 save_stack+0xf5/0x1f0
 __reset_page_owner+0x71/0x1f0
 __free_frozen_pages+0xbc4/0xd30
 __put_partials+0x156/0x1a0
 put_cpu_partial+0x17c/0x250
 __slab_free+0x2d5/0x3c0
 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_socketpair+0x23a/0x560
 __x64_sys_socketpair+0x9b/0xb0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efea3f8ebe9
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:00007efea21f6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 00007efea41b5fa0 RCX: 00007efea3f8ebe9
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 00007efea4011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efea41b6038 R14: 00007efea41b5fa0 R15: 00007ffd25eddcf8
 </TASK>
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 79302566542 wd_nsec: 79302566401
