rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=e2fc/1/0x4000000000000000 softirq=64940/64941 fqs=5248
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:     6073          0            0
rcu: 	cputime:      157          0        52342   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=38533 q=2409 ncpus=2)
CPU: 0 UID: 0 PID: 13247 Comm: syz.0.1985 Not tainted 6.16.0-syzkaller-12063-g37816488247d-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:xfrm_alloc_spi+0x512/0xf30
Code: de e8 52 c1 9e f7 85 db 0f 85 0a 01 00 00 e8 05 bd 9e f7 eb 05 e8 fe bc 9e f7 49 83 c5 28 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 <74> 08 4c 89 ef e8 84 27 02 f8 4d 8b 6d 00 4d 85 ed 0f 84 84 00 00
RSP: 0018:ffffc9000ab270e0 EFLAGS: 00000246
RAX: 1ffff110073be1b5 RBX: 000000009b0e0000 RCX: 0000000000080000
RDX: ffffc90007419000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000ab27230 R08: 0000000000000000 R09: ffffffff8a20ec50
R10: dffffc0000000000 R11: fffff52001564e0c R12: dffffc0000000000
R13: ffff888039df0da8 R14: 0000000000000000 R15: ffffc9000ab276a0
FS:  00007f2c2702b6c0(0000) GS:ffff8880b8621000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c37e654 CR3: 000000004005c000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 xfrm_alloc_userspi+0x70b/0xc90
 xfrm_user_rcv_msg+0x7a3/0xab0
 netlink_rcv_skb+0x208/0x470
 xfrm_netlink_rcv+0x79/0x90
 netlink_unicast+0x82f/0x9e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 ____sys_sendmsg+0x505/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2c2618ebe9
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:00007f2c2702b038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f2c263b5fa0 RCX: 00007f2c2618ebe9
RDX: 0000000000000000 RSI: 0000200000000540 RDI: 0000000000000003
RBP: 00007f2c26211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2c263b6038 R14: 00007f2c263b5fa0 R15: 00007ffe915c0318
 </TASK>
