syzbot

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WARNING: CPU: 0 PID: 5069 at lib/iov_iter.c:629 _copy_from_iter+0x2ae/0xf40 lib/iov_iter.c:629
Modules linked in:
CPU: 0 PID: 5069 Comm: syz-executor310 Not tainted 6.2.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:_copy_from_iter+0x2ae/0xf40 lib/iov_iter.c:629
Code: 5d 41 5c 41 5d 41 5e 41 5f c3 e8 6d 97 77 fd be 79 02 00 00 48 c7 c7 20 62 a6 8a e8 fc c3 b0 fd e9 55 fe ff ff e8 52 97 77 fd <0f> 0b 45 31 ff eb 8b e8 46 97 77 fd 31 ff 89 ee e8 ad 93 77 fd 40
RSP: 0018:ffffc90003ccf830 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88802a71d7c0 RSI: ffffffff8409cb0e RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90003ccfd00
R13: ffffc90003ccfd00 R14: ffff88807ba07180 R15: 0000000000000000
FS:  00005555563d8300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f73b3d24fb8 CR3: 0000000026954000 CR4: 0000000000350ee0
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: 0033:0x7f73b3cddb19
Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd576b1698 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f73b3cddb19
RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007f73b3ca1cc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f73b3ca1d50
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>