linux-kernel - Re: kernel panic: MAC Initialization failed. (3)

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Message-ID: <0000000000008407390583d18381@google.com>
Date:   Mon, 11 Mar 2019 06:26:01 -0700
From:   syzbot <syzbot+2ee3f8974c2e7dc69feb@...kaller.appspotmail.com>
To:     casey@...aufler-ca.com, james.morris@...rosoft.com,
        jmorris@...ei.org, john.johansen@...onical.com,
        keescook@...omium.org, linux-kernel@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        penguin-kernel@...ove.SAKURA.ne.jp, serge@...lyn.com,
        syzkaller-bugs@...glegroups.com, takedakn@...data.co.jp
Subject: Re: kernel panic: MAC Initialization failed. (3)

syzbot has bisected this bug to:

commit 89a9684ea158dd7eef1728be9f0aed9a7d41cf19
Author: Kees Cook <keescook@...omium.org>
Date:   Tue Feb 12 18:23:18 2019 +0000

     LSM: Ignore "security=" when "lsm=" is specified

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11572723200000
start commit:   89a9684e LSM: Ignore "security=" when "lsm=" is specified
git tree:       linux-next
final crash:    https://syzkaller.appspot.com/x/report.txt?x=13572723200000
console output: https://syzkaller.appspot.com/x/log.txt?x=15572723200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=c0f38652d28b522f
dashboard link: https://syzkaller.appspot.com/bug?extid=2ee3f8974c2e7dc69feb
userspace arch: amd64
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14c68242c00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17190c8ac00000

Reported-by: syzbot+2ee3f8974c2e7dc69feb@...kaller.appspotmail.com
Fixes: 89a9684e ("LSM: Ignore "security=" when "lsm=" is specified")