Re: [syzbot] [mm?] [v9fs?] BUG: stack guard page was hit in sys_open

[syzbot]

Hello,

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

Reported-by: syzbot+885c03ad650731743489@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+885c03ad650731743489@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         2aece382 netfs: Report on NULL folioq in netfs_writeba..
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git
console output: https://syzkaller.appspot.com/x/log.txt?x=12714930580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=55f8591b98dd132
dashboard link: https://syzkaller.appspot.com/bug?extid=885c03ad650731743489
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.