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From: syzbot <syzbot+4cb1e27475bf90a9b926@syzkaller.appspotmail.com>
To: adilger.kernel@dilger.ca, cmaiolino@redhat.com,
	lczerner@redhat.com, linux-ext4@vger.kernel.org,
	linux-kernel@vger.kernel.org, sjc@chobot.com,
	syzkaller-bugs@googlegroups.com, tytso@mit.edu,
	wanjiabing@vivo.com
Subject: Re: [syzbot] KASAN: use-after-free Read in ext4_xattr_set_entry (4)
Date: Wed, 23 Mar 2022 08:07:15 -0700	[thread overview]
Message-ID: <000000000000b8cdba05dae41558@google.com> (raw)
In-Reply-To: <00000000000079c56a05ba1c18c3@google.com>

syzbot suspects this issue was fixed by commit:

commit 6e47a3cc68fc525428297a00524833361ebbb0e9
Author: Lukas Czerner <lczerner@redhat.com>
Date:   Wed Oct 27 14:18:52 2021 +0000

    ext4: get rid of super block and sbi from handle_mount_ops()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=100bc10b700000
start commit:   f8ad8187c3b5 fs/pipe: allow sendfile() to pipe again
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=96b123631a6700e9
dashboard link: https://syzkaller.appspot.com/bug?extid=4cb1e27475bf90a9b926
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11131f94d00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15c3761b500000

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

#syz fix: ext4: get rid of super block and sbi from handle_mount_ops()

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

  reply	other threads:[~2022-03-23 15:07 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-30 11:05 KASAN: use-after-free Read in ext4_xattr_set_entry (4) syzbot
2022-03-23 15:07 ` syzbot [this message]
2022-03-25  6:18   ` [syzbot] " Dmitry Vyukov
2022-03-29 11:50     ` Ritesh Harjani
2022-03-29 12:01       ` Dmitry Vyukov

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