Re: [syzbot] [ntfs3?] BUG: unable to handle kernel NULL pointer dereference in attr_make_nonresident

From: syzbot
Date: Wed Jul 17 2024 - 04:42:15 EST


Hello,

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

Reported-and-tested-by: syzbot+5b6ed16da1077f45bc8e@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: d0c3df62 ntfs3: Convert attr_data_write_resident to us..
git tree: https://github.com/Paragon-Software-Group/linux-ntfs3.git
console output: https://syzkaller.appspot.com/x/log.txt?x=10249a0d980000
kernel config: https://syzkaller.appspot.com/x/.config?x=bc26ad11927ab7fa
dashboard link: https://syzkaller.appspot.com/bug?extid=5b6ed16da1077f45bc8e
compiler: Debian clang version 15.0.6, 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.