rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10500 ticks this GP) idle=37f4/1/0x4000000000000000 softirq=48655/48655 fqs=5248
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1228173          0            0
rcu: 	cputime:    29258      23231           78   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=41309 q=2066 ncpus=2)
CPU: 0 UID: 0 PID: 11734 Comm: syz.6.1527 Not tainted syzkaller #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:___slab_alloc+0xa3e/0x1420
Code: 24 60 00 00 00 00 9c 8f 44 24 60 f7 44 24 60 00 02 00 00 0f 85 68 08 00 00 f7 c5 00 02 00 00 74 01 fb 65 48 8b 05 92 83 87 10 <48> 3b 44 24 68 0f 85 b3 08 00 00 4c 89 f8 48 83 c4 70 5b 41 5c 41
RSP: 0018:ffffc90000007650 EFLAGS: 00000206
RAX: 9f71a7a887b67500 RBX: ffff88804b03e660 RCX: 9f71a7a887b67500
RDX: 0000000000000002 RSI: ffffffff8d9baf70 RDI: ffffffff8be34480
RBP: 0000000000000246 R08: ffffffff8fa3b537 R09: 1ffffffff1f476a6
R10: dffffc0000000000 R11: fffffbfff1f476a7 R12: ffff88804b03e660
R13: ffff88801a441dc0 R14: 0000000000000000 R15: ffff8880327d2000
FS:  00007fc4b6afc6c0(0000) GS:ffff8880b8611000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001900 CR3: 000000011dc8e000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __kmalloc_node_track_caller_noprof+0x2f8/0x4e0
 kmalloc_reserve+0x136/0x290
 __alloc_skb+0x142/0x2d0
 xfrm_alloc_compat+0x1a6/0x16f0
 xfrm_nlmsg_multicast+0xda/0x1f0
 xfrm_send_policy_notify+0xb35/0x1bb0
 km_policy_notify+0x121/0x200
 km_policy_expired+0xb8/0x100
 xfrm_policy_timer+0x364/0x630
 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:lock_acquire+0x175/0x360
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 3b 7b 03 11 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc900034ff978 EFLAGS: 00000206
RAX: 9f71a7a887b67500 RBX: 0000000000000000 RCX: 9f71a7a887b67500
RDX: 0000000000000001 RSI: ffffffff8dbaa624 RDI: ffffffff8be34480
RBP: ffffffff81749988 R08: 0000000000000000 R09: ffffffff81749988
R10: dffffc0000000000 R11: fffffbfff1f476a7 R12: 0000000000000002
R13: ffffffff8e13a220 R14: 0000000000000000 R15: 0000000000000246
 __virt_addr_valid+0x1e5/0x5c0
 kasan_addr_to_slab+0xf/0x90
 kasan_record_aux_stack+0xf/0xd0
 call_rcu+0x157/0x9c0
 evict+0x847/0x9c0
 __dentry_kill+0x209/0x660
 dput+0x19f/0x2b0
 __fput+0x68e/0xa70
 fput_close_sync+0x119/0x200
 __x64_sys_close+0x7f/0x110
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc4b5b8ec29
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:00007fc4b6afc038 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 00007fc4b5dd5fa0 RCX: 00007fc4b5b8ec29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000004b
RBP: 00007fc4b5c11e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc4b5dd6038 R14: 00007fc4b5dd5fa0 R15: 00007ffd106dc608
 </TASK>
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 105242283372 wd_nsec: 105242280740
