rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10000 ticks this GP) idle=62ec/1/0x4000000000000000 softirq=6055/6064 fqs=5000
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:        0          0            0
rcu: 	cputime:       46          0        49943   ==> 50000(ms)
rcu: 	(t=10002 jiffies g=445 q=1093 ncpus=2)
CPU: 1 PID: 2514 Comm: syz-executor.0 Not tainted 6.4.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
RIP: 0010:skb_splice_from_iter+0x158/0x3a0 net/core/skbuff.c:6981
Code: 45 01 7e 74 45 01 be d0 00 00 00 4d 85 ff 4c 0f 44 f9 48 8b 54 24 70 65 48 2b 14 25 28 00 00 00 0f 85 45 02 00 00 48 83 c4 78 <4c> 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 f7 c3 ff 0f 00 00 48 89
RSP: 0018:ffffc900020539d0 EFLAGS: 00000292
RAX: ffffc90002053988 RBX: 0000000000000006 RCX: 0000000000000cc0
RDX: 0000000000000000 RSI: ffffc90002053d10 RDI: ffff88810c2f8100
RBP: 0000000000000006 R08: ffff88810e2c5008 R09: 0000000000000000
R10: 000000000000000e R11: ffff888103768d80 R12: ffff88810c2f8100
R13: 000000000000001c R14: 0000000000000002 R15: 0000000000000000
FS:  00007f62ade2c6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556a1bda8 CR3: 000000010c6e8000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 __ip_append_data+0x682/0x1140 net/ipv4/ip_output.c:1221
 ip_append_data net/ipv4/ip_output.c:1361 [inline]
 ip_append_data+0x6b/0xd0 net/ipv4/ip_output.c:1340
 udp_sendmsg+0x4a4/0xd30 net/ipv4/udp.c:1291
 udp_sendpage+0x8b/0xb0 net/ipv4/udp.c:1343
 inet_sendpage+0x4b/0x80 net/ipv4/af_inet.c:844
 kernel_sendpage net/socket.c:3584 [inline]
 kernel_sendpage+0xee/0x170 net/socket.c:3578
 sock_sendpage+0x24/0x40 net/socket.c:1082
 pipe_to_sendpage+0x5d/0xa0 fs/splice.c:471
 splice_from_pipe_feed fs/splice.c:525 [inline]
 __splice_from_pipe+0x97/0x1d0 fs/splice.c:669
 splice_from_pipe fs/splice.c:704 [inline]
 generic_splice_sendpage+0x5d/0x90 fs/splice.c:852
 do_splice_from fs/splice.c:873 [inline]
 do_splice+0x36d/0x8b0 fs/splice.c:1182
 __do_sys_splice fs/splice.c:1471 [inline]
 __se_sys_splice fs/splice.c:1453 [inline]
 __x64_sys_splice+0xa6/0x110 fs/splice.c:1453
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0x80 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f62ad07cb29
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f62ade2c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000113
RAX: ffffffffffffffda RBX: 00007f62ad19bf80 RCX: 00007f62ad07cb29
RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f62ad0c847a R08: 000000000004ffe0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000006 R14: 00007f62ad19bf80 R15: 00007ffe3a7c6e98
 </TASK>