linux-kernel - Re: [syzbot] [hfs?] possible deadlock in hfsplus_file

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] [thread-next>] [day] [month] [year] [list]

Message-ID: <66f774b7.050a0220.46d20.002d.GAE@google.com>
Date: Fri, 27 Sep 2024 20:15:03 -0700
From: syzbot <syzbot+325b61d3c9a17729454b@...kaller.appspotmail.com>
To: aha310510@...il.com, akpm@...ux-foundation.org, brauner@...nel.org, 
	chao@...nel.org, jack@...e.cz, jlayton@...nel.org, josef@...icpanda.com, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk, willy@...radead.org
Subject: Re: [syzbot] [hfs?] possible deadlock in hfsplus_file_extend

syzbot suspects this issue was fixed by commit:

commit be4edd1642ee205ed7bbf66edc0453b1be1fb8d7
Author: Chao Yu <chao@...nel.org>
Date:   Fri Jun 7 14:23:04 2024 +0000

    hfsplus: fix to avoid false alarm of circular locking

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=16c5f59f980000
start commit:   90d35da658da Linux 6.8-rc7
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=70429b75d4a1a401
dashboard link: https://syzkaller.appspot.com/bug?extid=325b61d3c9a17729454b
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=159253ee180000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11afd4fe180000

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

#syz fix: hfsplus: fix to avoid false alarm of circular locking

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