From: "Theodore Ts'o" <tytso@mit.edu>
To: syzbot <syzbot+7ec4ebe875a7076ebb31@syzkaller.appspotmail.com>
Cc: adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [ext4?] KASAN: use-after-free Read in ext4_find_extent (3)
Date: Wed, 28 Jun 2023 23:18:52 -0400 [thread overview]
Message-ID: <20230629031852.GH8954@mit.edu> (raw)
In-Reply-To: <000000000000c7970f05ff1ecb4d@google.com>
#syz set prio: low
On Tue, Jun 27, 2023 at 09:16:56AM -0700, syzbot wrote:
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 8a28a0b6f1a1 Merge tag 'net-6.4-rc8' of git://git.kernel.o..
> git tree: upstream
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=12f5b40b280000
> kernel config: https://syzkaller.appspot.com/x/.config?x=e74b395fe4978721
> dashboard link: https://syzkaller.appspot.com/bug?extid=7ec4ebe875a7076ebb31
> compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15a2b5c0a80000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1181c5c0a80000
This report is via writing to the block device, while the file system
is mounted.
- Ted
next prev parent reply other threads:[~2023-06-29 3:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-27 16:16 [syzbot] [ext4?] KASAN: use-after-free Read in ext4_find_extent (3) syzbot
2023-06-29 3:18 ` Theodore Ts'o [this message]
2024-01-27 9:05 ` syzbot
2024-01-27 21:58 ` Theodore Ts'o
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