Re: [syzbot] [fs?] BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio (4)

[syzbot]

Hello,

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

Reported-by: syzbot+09b7d050e4806540153d@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+09b7d050e4806540153d@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         4a5df379 Merge tag 'mm-hotfixes-stable-2024-11-16-15-3..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=17dc52e8580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=4fca5d6b7cd3e6f
dashboard link: https://syzkaller.appspot.com/bug?extid=09b7d050e4806540153d
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=16cc52e8580000

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