From: John Fastabend <john.fastabend@gmail.com>
To: syzbot <syzbot+8cd36f6b65f3cafd400a@syzkaller.appspotmail.com>,
andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org,
daniel@iogearbox.net, davem@davemloft.net, haoluo@google.com,
hawk@kernel.org, john.fastabend@gmail.com, jolsa@kernel.org,
kpsingh@kernel.org, kuba@kernel.org,
linux-kernel@vger.kernel.org, martin.lau@linux.dev,
netdev@vger.kernel.org, sdf@google.com, song@kernel.org,
syzkaller-bugs@googlegroups.com, yonghong.song@linux.dev
Subject: Re: [syzbot] [bpf?] [net?] BUG: unable to handle kernel NULL pointer dereference in dev_map_hash_update_elem
Date: Mon, 26 Feb 2024 13:49:15 -0800 [thread overview]
Message-ID: <65dd075bc6cbd_20e0a20892@john.notmuch> (raw)
In-Reply-To: <0000000000001d1939061240cbd7@google.com>
syzbot wrote:
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit: 70ff1fe626a1 Merge tag 'docs-6.8-fixes3' of git://git.lwn...
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=1762045c180000
> kernel config: https://syzkaller.appspot.com/x/.config?x=4cf52b43f46d820d
> dashboard link: https://syzkaller.appspot.com/bug?extid=8cd36f6b65f3cafd400a
> compiler: arm-linux-gnueabi-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
> userspace arch: arm
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=110cf122180000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=142f6d8c180000
>
> Downloadable assets:
> disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/8ead8862021c/non_bootable_disk-70ff1fe6.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/bc398db9fd8c/vmlinux-70ff1fe6.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/6d3f8b72a671/zImage-70ff1fe6.xz
>
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+8cd36f6b65f3cafd400a@syzkaller.appspotmail.com
>
I'll take a look this week if no one beats me to it. Looks like there is
a reproducer so should be able to sort it out.
next prev parent reply other threads:[~2024-02-26 21:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-18 22:22 [syzbot] [net?] [bpf?] BUG: unable to handle kernel NULL pointer dereference in dev_map_hash_update_elem syzbot
2024-02-26 3:49 ` [syzbot] [bpf?] [net?] " syzbot
2024-02-26 21:49 ` John Fastabend [this message]
2024-02-27 13:50 ` Toke Høiland-Jørgensen
2024-02-27 13:52 ` [syzbot] " syzbot
[not found] <87jzmqdnfv.fsf@toke.dk>
2024-02-27 14:16 ` syzbot
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=65dd075bc6cbd_20e0a20892@john.notmuch \
--to=john.fastabend@gmail.com \
--cc=andrii@kernel.org \
--cc=ast@kernel.org \
--cc=bpf@vger.kernel.org \
--cc=daniel@iogearbox.net \
--cc=davem@davemloft.net \
--cc=haoluo@google.com \
--cc=hawk@kernel.org \
--cc=jolsa@kernel.org \
--cc=kpsingh@kernel.org \
--cc=kuba@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=martin.lau@linux.dev \
--cc=netdev@vger.kernel.org \
--cc=sdf@google.com \
--cc=song@kernel.org \
--cc=syzbot+8cd36f6b65f3cafd400a@syzkaller.appspotmail.com \
--cc=syzkaller-bugs@googlegroups.com \
--cc=yonghong.song@linux.dev \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.