Hello,

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

Reported-and-tested-by: syzbot+cc699626e48a6ebaf295@syzkaller.appspotmail.com

Tested on:

commit:         8cae8cd8 seq_file: disallow extremely large seq buffer..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=300aea483211c875
dashboard link: https://syzkaller.appspot.com/bug?extid=cc699626e48a6ebaf295
compiler:       Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.1
patch:          https://syzkaller.appspot.com/x/patch.diff?x=1174d0d4300000

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