linux-kernel - Re: [syzbot] [f2fs?] possible deadlock in f2fs_add_inline

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: <0000000000001b658e0603ad424d@google.com>
Date:   Thu, 24 Aug 2023 08:55:33 -0700
From:   syzbot <syzbot+a4976ce949df66b1ddf1@...kaller.appspotmail.com>
To:     chao@...nel.org, hdanton@...a.com, jaegeuk@...nel.org,
        linux-f2fs-devel@...ts.sourceforge.net,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [f2fs?] possible deadlock in f2fs_add_inline_entry

syzbot has bisected this issue to:

commit 5eda1ad1aaffdfebdecf7a164e586060a210f74f
Author: Jaegeuk Kim <jaegeuk@...nel.org>
Date:   Wed Jun 28 08:00:56 2023 +0000

    f2fs: fix deadlock in i_xattr_sem and inode page lock

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=167691b7a80000
start commit:   cacc6e22932f tpm: Add a helper for checking hwrng enabled
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=157691b7a80000
console output: https://syzkaller.appspot.com/x/log.txt?x=117691b7a80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=171b698bc2e613cf
dashboard link: https://syzkaller.appspot.com/bug?extid=a4976ce949df66b1ddf1
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=103c6bb3a80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17bb51c7a80000

Reported-by: syzbot+a4976ce949df66b1ddf1@...kaller.appspotmail.com
Fixes: 5eda1ad1aaff ("f2fs: fix deadlock in i_xattr_sem and inode page lock")

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