From: David Sterba <dsterba@suse.cz>
To: syzbot <syzbot+582e66e5edf36a22c7b0@syzkaller.appspotmail.com>
Cc: clm@fb.com, dsterba@suse.com, josef@toxicpanda.com,
linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org,
syzkaller-bugs@googlegroups.com
Subject: Re: KASAN: use-after-free Read in btrfs_scan_one_device
Date: Wed, 30 Sep 2020 18:57:56 +0200 [thread overview]
Message-ID: <20200930165756.GQ6756@twin.jikos.cz> (raw)
In-Reply-To: <0000000000001fe79005afbf52ea@google.com>
On Sun, Sep 20, 2020 at 07:12:14AM -0700, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: eb5f95f1 Merge tag 's390-5.9-6' of git://git.kernel.org/pu..
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=10a0a8bb900000
> kernel config: https://syzkaller.appspot.com/x/.config?x=ffe85b197a57c180
> dashboard link: https://syzkaller.appspot.com/bug?extid=582e66e5edf36a22c7b0
> compiler: gcc (GCC) 10.1.0-syz 20200507
>
> Unfortunately, I don't have any reproducer for this issue yet.
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+582e66e5edf36a22c7b0@syzkaller.appspotmail.com
#syz fix: btrfs: fix overflow when copying corrupt csums for a message
next prev parent reply other threads:[~2020-09-30 16:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-20 14:12 KASAN: use-after-free Read in btrfs_scan_one_device syzbot
2020-09-21 5:38 ` syzbot
2020-09-21 8:22 ` Johannes Thumshirn
2020-09-21 8:53 ` Johannes Thumshirn
2020-09-21 8:53 ` syzbot
2020-09-21 8:53 ` syzbot
2020-09-30 16:57 ` David Sterba [this message]
2020-09-30 18:05 ` David Sterba
2020-10-01 13:05 ` Dmitry Vyukov
2020-10-01 13:08 ` Dmitry Vyukov
2020-10-01 13:35 ` David Sterba
2020-10-12 20:56 ` Rustam Kovhaev
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