rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10480 ticks this GP) idle=07fc/1/0x4000000000000000 softirq=19232/19549 fqs=4730
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1407852        808            0
rcu: 	cputime:    27408      25078           38   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=10257 q=10217 ncpus=2)
CPU: 1 UID: 0 PID: 6728 Comm: syz.0.222 Not tainted 6.16.0-syzkaller-11113-gf3af62b6cee8 #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:kasan_quarantine_put+0x88/0x220
Code: e8 2d 3b a4 ff 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 0f 85 88 00 00 00 41 f7 c7 00 02 00 00 74 01 fb 31 c0 <48> 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc cc 48 8d 80
RSP: 0018:ffffc900001e0b68 EFLAGS: 00000206
RAX: 1570f062bd5ffb01 RBX: ffff88810e5e5310 RCX: 1570f062bd5ffb00
RDX: 0000000000000003 RSI: ffffffff8d9b1618 RDI: ffffffff8be2fd00
RBP: ffffc900001e0e30 R08: ffffffff8fa32437 R09: 1ffffffff1f46486
R10: dffffc0000000000 R11: fffffbfff1f46487 R12: 0000000000000000
R13: ffffffff81a7f467 R14: 000000000002e910 R15: 0000000000000282
FS:  00007f04dfb1d6c0(0000) GS:ffff8881a3c2a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558d4f077680 CR3: 00000000270b6000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 slab_free_after_rcu_debug+0x129/0x2a0
 rcu_core+0xcab/0x1770
 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:_raw_spin_unlock_irqrestore+0xa8/0x110
Code: 74 05 e8 cb 45 4d 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> 53 04 16 f6 65 8b 05 1c 6a 25 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc90002e4f2e0 EFLAGS: 00000206
RAX: 1570f062bd5ffb00 RBX: 0000000000000a06 RCX: 1570f062bd5ffb00
RDX: 0000000000000007 RSI: ffffffff8d9b1618 RDI: 0000000000000001
RBP: ffffc90002e4f378 R08: ffffffff8fa32437 R09: 1ffffffff1f46486
R10: dffffc0000000000 R11: fffffbfff1f46487 R12: dffffc0000000000
R13: ffff888127d64000 R14: ffffffff99d66f30 R15: 1ffff920005c9e5c
 debug_check_no_obj_freed+0x451/0x470
 __free_frozen_pages+0x4dd/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:sched_mm_cid_exit_signals+0x320/0x4b0
Code: 6e 35 00 48 c7 44 24 60 00 00 00 00 9c 8f 44 24 60 f6 44 24 61 02 75 57 f7 c3 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 04 3c 00 00 00 00 66 43 c7 44 3c 09 00 00 43 c6 44 3c 0b 00
RSP: 0018:ffffc90002e4f9a0 EFLAGS: 00000206
RAX: 1570f062bd5ffb00 RBX: 0000000000000246 RCX: 1570f062bd5ffb00
RDX: 0000000000000007 RSI: ffffffff8d9b1618 RDI: ffffffff8be2fd00
RBP: ffffc90002e4fa88 R08: ffffffff8fa32437 R09: 1ffffffff1f46486
R10: dffffc0000000000 R11: fffffbfff1f46487 R12: 1ffff920005c9f3c
R13: dffffc0000000000 R14: ffff88810947b24c R15: dffffc0000000000
 exit_signals+0x31a/0x580
 do_exit+0x352/0x2300
 do_group_exit+0x21c/0x2d0
 get_signal+0x1286/0x1340
 arch_do_signal_or_restart+0x9a/0x750
 exit_to_user_mode_loop+0x75/0x110
 do_syscall_64+0x2bd/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f04ded8ebe9
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:00007f04dfb1d038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffea RBX: 00007f04defb5fa0 RCX: 00007f04ded8ebe9
RDX: ffefffffffffffff RSI: 0000000000000000 RDI: 0000200000000280
RBP: 00007f04dee11e19 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f04defb6038 R14: 00007f04defb5fa0 R15: 00007ffc07899f38
 </TASK>
