rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P23618/3:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=149065, q=1711 ncpus=2)
task:syz.7.4005      state:R  running task     stack:22920 pid:23618 tgid:23617 ppid:23136  task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 __schedule+0x15dd/0x52d0
 preempt_schedule_common+0x82/0xd0
 preempt_schedule_thunk+0x16/0x30
 __local_bh_enable_ip+0xe1/0x130
 __dev_queue_xmit+0x1e78/0x3890
 ip6_output+0x340/0x550
 ip6_xmit+0x11e2/0x1af0
 inet6_csk_xmit+0x3bd/0x6c0
 __tcp_transmit_skb+0x249b/0x43e0
 tcp_connect+0x30cc/0x5370
 tcp_v6_connect+0x128c/0x1b10
 __inet_stream_connect+0x25a/0xdd0
 tcp_sendmsg_fastopen+0x3a7/0x5e0
 tcp_sendmsg_locked+0x4bb2/0x5490
 tcp_sendmsg+0x2f/0x50
 __sys_sendto+0x4a3/0x710
 __x64_sys_sendto+0xde/0x100
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa06759c799
RSP: 002b:00007fa068479028 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fa067815fa0 RCX: 00007fa06759c799
RDX: 0000000000000002 RSI: 00002000000002c0 RDI: 0000000000000003
RBP: 00007fa067632c99 R08: 0000200000000140 R09: 000000000000001c
R10: 0000000020040045 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa067816038 R14: 00007fa067815fa0 R15: 00007fff200d01d8
 </TASK>
