rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=7f6c/1/0x4000000000000000 softirq=130276/130276 fqs=5234
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:     5258          0            0
rcu: 	cputime:      216          0        52273   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=106281 q=2344 ncpus=2)
CPU: 1 UID: 0 PID: 31567 Comm: syz.1.11145 Not tainted 6.17.0-rc1-syzkaller-00207-g815957293639 #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+0x3b1/0xf30
Code: 94 c0 49 83 c5 d8 0f 94 c1 08 c1 74 0a e8 b7 2c 9e f7 e9 14 02 00 00 49 8d 9d c4 00 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 20 <84> c0 0f 85 9f 01 00 00 8b 1b 89 df 44 89 f6 e8 4b 2e 9e f7 44 39
RSP: 0018:ffffc900060a70e0 EFLAGS: 00000a03
RAX: 0000000000000000 RBX: ffff88810951a4c4 RCX: ffff8881120b1cc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001000000
RBP: ffffc900060a7230 R08: 0000000000000000 R09: ffffffff8a217de0
R10: dffffc0000000000 R11: fffff52000c14e0c R12: dffffc0000000000
R13: ffff88810951a400 R14: 0000000000000000 R15: ffffc900060a76a0
FS:  00007f7cdce4e6c0(0000) GS:ffff8881a3c1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001280 CR3: 00000001072f6000 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: 0033:0x7f7cdbf8ebe9
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:00007f7cdce4e038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f7cdc1b5fa0 RCX: 00007f7cdbf8ebe9
RDX: 0000000000000000 RSI: 0000200000000540 RDI: 0000000000000008
RBP: 00007f7cdc011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7cdc1b6038 R14: 00007f7cdc1b5fa0 R15: 00007ffca68f8cd8
 </TASK>
