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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <000000000000b63e2b061d6d6fb2@google.com>
Date: Wed, 17 Jul 2024 01:42:03 -0700
From: syzbot <syzbot+5b6ed16da1077f45bc8e@...kaller.appspotmail.com>
To: almaz.alexandrovich@...agon-software.com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ntfs3?] BUG: unable to handle kernel NULL pointer
 dereference in attr_make_nonresident

Hello,

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

Reported-and-tested-by: syzbot+5b6ed16da1077f45bc8e@...kaller.appspotmail.com

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.