linux-kernel - Re: [syzbot] [hfs?] KASAN: slab-use-after-free Read in hfsplus_read

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>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <67572993.050a0220.a30f1.01ad.GAE@google.com>
Date: Mon, 09 Dec 2024 09:32:03 -0800
From: syzbot <syzbot+fa7b3ab32bcb56c10961@...kaller.appspotmail.com>
To: brauner@...nel.org, bvanassche@....org, cascardo@...lia.com, 
	chao@...nel.org, jack@...e.cz, josef@...icpanda.com, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	lizhi.xu@...driver.com, rdunlap@...radead.org, sandeen@...hat.com, 
	syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk, willy@...radead.org
Subject: Re: [syzbot] [hfs?] KASAN: slab-use-after-free Read in
 hfsplus_read_wrapper (2)

syzbot suspects this issue was fixed by commit:

commit 1c82587cb57687de3f18ab4b98a8850c789bedcf
Author: Thadeu Lima de Souza Cascardo <cascardo@...lia.com>
Date:   Thu Nov 7 11:41:09 2024 +0000

    hfsplus: don't query the device logical block size multiple times

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17c554df980000
start commit:   48cf398f15fc Merge tag 'char-misc-6.9-rc5' of git://git.ke..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=c5d33c579b4e833f
dashboard link: https://syzkaller.appspot.com/bug?extid=fa7b3ab32bcb56c10961
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10e3d1fd180000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=151a6e73180000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: hfsplus: don't query the device logical block size multiple times

For information about bisection process see: https://goo.gl/tpsmEJ#bisection