linux-kernel - Re: [syzbot] BUG: unable to handle kernel NULL pointer dereference in smack_inode

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Message-ID: <Y3KU5kwa2XGS9gyy@hoboy.vegasvil.org>
Date:   Mon, 14 Nov 2022 11:20:06 -0800
From:   Richard Cochran <richardcochran@...il.com>
To:     syzbot <syzbot+0f89bd13eaceccc0e126@...kaller.appspotmail.com>
Cc:     casey@...aufler-ca.com, jmorris@...ei.org,
        linux-kernel@...r.kernel.org,
        linux-security-module@...r.kernel.org, netdev@...r.kernel.org,
        paul@...l-moore.com, serge@...lyn.com,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] BUG: unable to handle kernel NULL pointer dereference
 in smack_inode_permission

On Sun, Nov 13, 2022 at 04:05:47PM -0800, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    56751c56c2a2 Merge branch 'for-next/fixes' into for-kernelci
> git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci
> console output: https://syzkaller.appspot.com/x/log.txt?x=11fc8b0e880000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=606e57fd25c5c6cc
> dashboard link: https://syzkaller.appspot.com/bug?extid=0f89bd13eaceccc0e126
> compiler:       Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
> userspace arch: arm64
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10a691fa880000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1733c5b9880000
> 
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/cf4668c75dea/disk-56751c56.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/e1ef82e91ef7/vmlinux-56751c56.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/3dabe076170f/Image-56751c56.gz.xz
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+0f89bd13eaceccc0e126@...kaller.appspotmail.com

Why was this email addressed to me?

Thanks,
Richard