rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10502 ticks this GP) idle=b994/1/0x4000000000000000 softirq=19540/19543 fqs=5249
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1030706          0            0
rcu: 	cputime:    23740      28739           85   ==> 52490(ms)
rcu: 	(t=10501 jiffies g=11065 q=2509 ncpus=2)
CPU: 0 UID: 0 PID: 7219 Comm: syz.2.579 Not tainted 6.16.0-rc6-syzkaller-00434-gcd7c97f4584a-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+0x76/0x280 kernel/stacktrace.c:90
Code: 85 22 01 00 00 45 3b 0e 73 3a 48 8d 5f 0c 49 89 df 49 c1 ef 03 41 0f b6 04 17 84 c0 0f 85 47 01 00 00 44 8b 23 45 85 e4 74 21 <41> ff cc 41 0f b6 04 17 84 c0 0f 85 78 01 00 00 44 89 23 b0 01 e9
RSP: 0018:ffffc90000007778 EFLAGS: 00000202
RAX: 0000000000000000 RBX: ffffc9000000788c RCX: e5970763efc2ad00
RDX: dffffc0000000000 RSI: ffffffff822c9355 RDI: ffffc90000007880
RBP: 1ffff92000000f12 R08: ffffc90000007890 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff81acf520 R12: 0000000000000002
R13: 1ffff92000000f11 R14: ffffc90000007888 R15: 1ffff92000000f11
FS:  00007f5329ed16c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000054c0 CR3: 000000010a520000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 arch_stack_walk+0x110/0x150 arch/x86/kernel/stacktrace.c:27
 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
 save_stack+0xf5/0x1f0 mm/page_owner.c:156
 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:308
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1248 [inline]
 __free_frozen_pages+0xc71/0xe70 mm/page_alloc.c:2706
 pagetable_free include/linux/mm.h:2884 [inline]
 pagetable_dtor_free include/linux/mm.h:2982 [inline]
 __tlb_remove_table+0x2d2/0x3b0 include/asm-generic/tlb.h:220
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:290
 rcu_do_batch kernel/rcu/tree.c:2576 [inline]
 rcu_core+0xca8/0x1710 kernel/rcu/tree.c:2832
 handle_softirqs+0x286/0x870 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:generic_exec_single+0x481/0x500 kernel/smp.c:447
Code: 75 11 e8 62 7f 0b 00 48 85 db 75 16 e8 58 7f 0b 00 eb 15 e8 51 7f 0b 00 e8 ac ea b9 09 48 85 db 74 ea e8 42 7f 0b 00 fb 31 c0 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 66 43 c7 44 2c
RSP: 0018:ffffc9000667f9c0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffff88802062d640
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000667fa90 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 1ffff92000ccff3c
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000ccff5d
 smp_call_function_single+0x351/0x590 kernel/smp.c:676
 task_function_call kernel/events/core.c:121 [inline]
 perf_install_in_context+0x593/0x8f0 kernel/events/core.c:3101
 __do_sys_perf_event_open kernel/events/core.c:13691 [inline]
 __se_sys_perf_event_open+0x193a/0x1d70 kernel/events/core.c:13333
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5328f8eb69
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:00007f5329ed1038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f53291b5fa0 RCX: 00007f5328f8eb69
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000003c0
RBP: 00007f5329011df1 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f53291b5fa0 R15: 00007ffff1163518
 </TASK>
sched: DL replenish lagged too much
