rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (1 GPs behind) idle=712/1/0x4000000000000004 softirq=185920/185921 fqs=5066 
	(t=10500 jiffies g=232981 q=168081)
NMI backtrace for cpu 1
CPU: 1 PID: 32660 Comm: syz-executor.5 Not tainted 5.7.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1e9/0x30e lib/dump_stack.c:118
 nmi_cpu_backtrace+0x9f/0x180 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x16a/0x280 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x199/0x2a0 kernel/rcu/tree_stall.h:254
 print_cpu_stall kernel/rcu/tree_stall.h:475 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:549 [inline]
 rcu_pending kernel/rcu/tree.c:3225 [inline]
 rcu_sched_clock_irq+0x186a/0x1ac0 kernel/rcu/tree.c:2296
 update_process_times+0x12c/0x180 kernel/time/timer.c:1727
 tick_sched_handle kernel/time/tick-sched.c:176 [inline]
 tick_sched_timer+0x254/0x410 kernel/time/tick-sched.c:1320
 __run_hrtimer kernel/time/hrtimer.c:1520 [inline]
 __hrtimer_run_queues+0x42d/0x930 kernel/time/hrtimer.c:1584
 hrtimer_interrupt+0x373/0xd60 kernel/time/hrtimer.c:1646
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1113 [inline]
 smp_apic_timer_interrupt+0x109/0x280 arch/x86/kernel/apic/apic.c:1138
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:759 [inline]
RIP: 0010:kmem_cache_free+0xcd/0xf0 mm/slab.c:3695
Code: 57 9d 0f 1f 44 00 00 e8 91 2a c8 ff eb 21 5b 41 5c 41 5e 41 5f c3 e8 42 28 c8 ff 48 83 3d da e5 7a 07 00 74 22 4c 89 f7 57 9d <0f> 1f 44 00 00 4c 89 e7 4c 89 fe 5b 41 5c 41 5e 41 5f e9 5c 01 00
RSP: 0018:ffffc90000da8cf0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 1ffff110094f3d00 RBX: ffff8882195a2000 RCX: ffffffff8158fcb2
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: 0000000000000282
RBP: 1ffff110123a4bc3 R08: dffffc0000000000 R09: fffffbfff16294cc
R10: fffffbfff16294cc R11: 0000000000000000 R12: ffffffff86d55247
R13: dffffc0000000000 R14: 0000000000000282 R15: ffff888091d25df0
 inet_twsk_free net/ipv4/inet_timewait_sock.c:73 [inline]
 inet_twsk_put+0x137/0x1a0 net/ipv4/inet_timewait_sock.c:80
 call_timer_fn+0x91/0x160 kernel/time/timer.c:1405
 expire_timers kernel/time/timer.c:1450 [inline]
 __run_timers+0x776/0x970 kernel/time/timer.c:1774
 run_timer_softirq+0x46/0x80 kernel/time/timer.c:1787
 __do_softirq+0x268/0x80c kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x223/0x230 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:546 [inline]
 smp_apic_timer_interrupt+0x113/0x280 arch/x86/kernel/apic/apic.c:1140
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:759 [inline]
RIP: 0010:lock_acquire+0x1c7/0x480 kernel/locking/lockdep.c:4937
Code: c1 e8 03 80 3c 10 00 74 0c 48 c7 c7 30 b9 2b 89 e8 5e c4 58 00 48 83 3d 76 38 d3 07 00 0f 84 8e 02 00 00 48 8b 7c 24 20 57 9d <0f> 1f 44 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 58 0f 85 70
RSP: 0018:ffffc90008cf7ac0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff1257726 RBX: 1ffff110094f3db0 RCX: ffffffff81596a74
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: 0000000000000282
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff16294b0
R10: fffffbfff16294b0 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88804a79ed84 R15: ffffffff8943c710
 __raw_write_lock include/linux/rwlock_api_smp.h:210 [inline]
 _raw_write_lock+0x2a/0x40 kernel/locking/spinlock.c:295
 integrity_inode_free+0x68/0x240 security/integrity/iint.c:145
 security_inode_free+0x1f/0xd0 security/security.c:986
 __destroy_inode+0x241/0x580 fs/inode.c:257
 destroy_inode fs/inode.c:280 [inline]
 evict+0x574/0x6a0 fs/inode.c:593
 __dentry_kill+0x3c1/0x5c0 fs/dcache.c:579
 dentry_kill fs/dcache.c:673 [inline]
 dput+0x45e/0x710 fs/dcache.c:859
 __fput+0x4ea/0x750 fs/file_table.c:293
 task_work_run+0x147/0x1d0 kernel/task_work.c:123
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x5ef/0x1f80 kernel/exit.c:796
 do_group_exit+0x15e/0x2c0 kernel/exit.c:894
 __do_sys_exit_group+0x13/0x20 kernel/exit.c:905
 __se_sys_exit_group+0x10/0x10 kernel/exit.c:903
 __x64_sys_exit_group+0x37/0x40 kernel/exit.c:903
 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x45c829
Code: Bad RIP value.
RSP: 002b:00007f0eef83f688 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000000b RCX: 000000000045c829
RDX: 000000000045c829 RSI: 00007f0eef83f6c0 RDI: 000000000000000b
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000000c7 R14: 00000000004c353a R15: 00007f0eef8406d4