Re: [syzbot] WARNING in mptcp_sendmsg_frag

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+263a248eec3e875baa7b@syzkaller.appspotmail.com

Tested on:

commit:         92477dd1 Merge tag 's390-5.15-ebpf-jit-fixes' of git:/..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=e917f3dfc452c977
dashboard link: https://syzkaller.appspot.com/bug?extid=263a248eec3e875baa7b
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
patch:          https://syzkaller.appspot.com/x/patch.diff?x=142df1ab300000

Note: testing is done by a robot and is best-effort only.