------------[ cut here ]------------
WARNING: CPU: 1 PID: 9109 at lib/iov_iter.c:629 _copy_from_iter+0x2ed/0xf70 lib/iov_iter.c:629
Modules linked in:
CPU: 1 PID: 9109 Comm: syz-executor.2 Not tainted 6.1.0-rc8-next-20221207-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:_copy_from_iter+0x2ed/0xf70 lib/iov_iter.c:629
Code: 77 fd 44 89 fb e9 33 ff ff ff e8 be 34 77 fd be 79 02 00 00 48 c7 c7 e0 59 a6 8a e8 fd 6f b0 fd e9 17 fe ff ff e8 a3 34 77 fd <0f> 0b 45 31 ff e9 7b ff ff ff e8 94 34 77 fd 31 ff 89 ee e8 fb 30
RSP: 0018:ffffc9000366f828 EFLAGS: 00010212
RAX: 0000000000002d0c RBX: 0000000000000000 RCX: ffffc90005d39000
RDX: 0000000000040000 RSI: ffffffff840a6e5d RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffc9000366fd00
R13: ffff88807c6078f8 R14: ffffc9000366fd00 R15: 0000000000000000
FS:  00007f8744249700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556b6c708 CR3: 00000000297f2000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 copy_from_iter include/linux/uio.h:187 [inline]
 copy_from_iter_full include/linux/uio.h:194 [inline]
 tipc_msg_build+0x2d4/0x10a0 net/tipc/msg.c:404
 __tipc_sendmsg+0xada/0x1870 net/tipc/socket.c:1505
 tipc_connect+0x57b/0x6b0 net/tipc/socket.c:2624
 __sys_connect_file+0x153/0x1a0 net/socket.c:1976
 __sys_connect+0x165/0x1a0 net/socket.c:1993
 __do_sys_connect net/socket.c:2003 [inline]
 __se_sys_connect net/socket.c:2000 [inline]
 __x64_sys_connect+0x73/0xb0 net/socket.c:2000
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f874348c0d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8744249168 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 00007f87435abf80 RCX: 00007f874348c0d9
RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000007
RBP: 00007f87434e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff1e0001df R14: 00007f8744249300 R15: 0000000000022000
 </TASK>