------------[ cut here ]------------
bytes > INT_MAX
WARNING: ./include/linux/ucopysize.h:57 at tcp_sendmsg_locked+0x4ec2/0x5360, CPU#1: syz.2.8736/3558
Modules linked in:
CPU: 1 UID: 0 PID: 3558 Comm: syz.2.8736 Not tainted syzkaller #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:tcp_sendmsg_locked+0x4ec2/0x5360
Code: 0f b6 04 28 84 c0 0f 85 9c 04 00 00 41 80 0f 04 49 bd 00 00 00 00 00 fc ff df 4c 8b 64 24 10 e9 fd f5 ff ff e8 4f 5e b2 f7 90 <0f> 0b 90 eb 09 e8 44 5e b2 f7 90 0f 0b 90 45 31 ed 48 8b bc 24 d0
RSP: 0018:ffffc90006d976a0 EFLAGS: 00010283
RAX: ffffffff8a136121 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc900087f9000 RSI: 00000000000000a1 RDI: 00000000000000a2
RBP: ffffc90006d979b0 R08: ffffffff9030b0f7 R09: 1ffffffff206161e
R10: dffffc0000000000 R11: fffffbfff206161f R12: 0000020000000000
R13: ffff8881cd9f0014 R14: ffffffffffff7c2c R15: ffff8881b95bb680
FS:  00007fb82252c6c0(0000) GS:ffff8882a928d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f50d4fec4b8 CR3: 00000001715ce000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 tcp_sendmsg+0x2f/0x50
 sock_write_iter+0x406/0x4f0
 do_iter_readv_writev+0x619/0x8c0
 vfs_writev+0x33c/0x990
 do_writev+0x154/0x2e0
 do_syscall_64+0x15f/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb82159cdd9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb82252c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007fb821815fa0 RCX: 00007fb82159cdd9
RDX: 0000000000000001 RSI: 0000200000000080 RDI: 0000000000000004
RBP: 00007fb821632d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb821816038 R14: 00007fb821815fa0 R15: 00007ffe860e6ee8
 </TASK>
