rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=acf4/1/0x4000000000000000 softirq=28050/28051 fqs=4791
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1040947          0            0
rcu: 	cputime:    25397      27092           87   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=19337 q=1958 ncpus=2)
CPU: 1 UID: 0 PID: 9353 Comm: syz.0.1064 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e #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:_raw_spin_unlock_irqrestore+0xa8/0x110
Code: 74 05 e8 cb 9e 56 f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 13 cd 1f f6 65 8b 05 bc f9 2e 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc900001e0920 EFLAGS: 00000206
RAX: 377620783c488a00 RBX: 0000000000000a06 RCX: 377620783c488a00
RDX: 0000000000000003 RSI: ffffffff8d998836 RDI: 0000000000000001
RBP: ffffc900001e09a0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: dffffc0000000000
R13: ffff888027810000 R14: ffffffff99cff768 R15: 1ffff9200003c124
FS:  00007f4b073176c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb9755f5fc8 CR3: 0000000049f30000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 debug_check_no_obj_freed+0x451/0x470
 __free_frozen_pages+0x509/0xe70
 __tlb_remove_table+0x2d2/0x3b0
 tlb_remove_table_rcu+0x85/0x100
 rcu_core+0xca8/0x1710
 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 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:ffffc9000295f620 EFLAGS: 00000282
RAX: 377620783c488a00 RBX: 0000000000000000 RCX: 377620783c488a00
RDX: 0000000000000007 RSI: ffffffff8d998836 RDI: 0000000000000001
RBP: ffffc9000295f6c0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200052bec4
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__slab_free+0x270/0x400
Code: ea 48 8b 4c 24 10 4d 89 f8 e8 fc df ff ff 41 89 c7 e9 23 fe ff ff 48 8b 5c 24 10 4c 89 f9 4c 89 ea 4c 89 c8 f0 48 0f c7 4e 20 <0f> 85 54 fe ff ff 48 85 ed 75 2c 45 85 ed 79 59 65 48 8b 05 b8 00
RSP: 0018:ffffc9000295f780 EFLAGS: 00000242
RAX: ffff888106819600 RBX: ffff8881068191e0 RCX: 00000000002a000d
RDX: 00000000002a000e RSI: ffffea00041a0640 RDI: ffffffff00000000
RBP: 0000000000000000 R08: 000000000000000d R09: ffff888106819600
R10: 0000000000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 00000000002a000e R14: 0000000000000000 R15: 00000000002a000d
 qlist_free_all+0x97/0x140
 kasan_quarantine_reduce+0x148/0x160
 __kasan_slab_alloc+0x22/0x80
 kmem_cache_alloc_noprof+0x1c1/0x3c0
 security_file_alloc+0x34/0x330
 init_file+0x93/0x2f0
 alloc_empty_file+0x6e/0x1d0
 path_openat+0x107/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4b0658e9a9
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:00007f4b07317038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f4b067b5fa0 RCX: 00007f4b0658e9a9
RDX: 0000000000200002 RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007f4b06610d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4b067b5fa0 R15: 00007fff91325498
 </TASK>
sched: DL replenish lagged too much
