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From: syzbot <syzbot+9af6d43c1beabec8fd05@syzkaller.appspotmail.com>
To: gleb@kernel.org, gregkh@linuxfoundation.org,
	gwshan@linux.vnet.ibm.com, hpa@zytor.com, jslaby@suse.com,
	kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	mingo@redhat.com, mpe@ellerman.id.au, pbonzini@redhat.com,
	ruscur@russell.cc, stewart@linux.vnet.ibm.com,
	syzkaller-bugs@googlegroups.com, tglx@linutronix.de,
	x86@kernel.org
Subject: Re: KASAN: use-after-free Read in tty_open
Date: Tue, 03 Dec 2019 18:45:01 -0800	[thread overview]
Message-ID: <0000000000009574da0598d7ccfa@google.com> (raw)
In-Reply-To: <000000000000dd04830598d50133@google.com>

syzbot has bisected this bug to:

commit 2de50e9674fc4ca3c6174b04477f69eb26b4ee31
Author: Russell Currey <ruscur@russell.cc>
Date:   Mon Feb 8 04:08:20 2016 +0000

     powerpc/powernv: Remove support for p5ioc2

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15e5fc32e00000
start commit:   76bb8b05 Merge tag 'kbuild-v5.5' of git://git.kernel.org/p..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=17e5fc32e00000
console output: https://syzkaller.appspot.com/x/log.txt?x=13e5fc32e00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=dd226651cb0f364b
dashboard link: https://syzkaller.appspot.com/bug?extid=9af6d43c1beabec8fd05
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16d15061e00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14b69aeae00000

Reported-by: syzbot+9af6d43c1beabec8fd05@syzkaller.appspotmail.com
Fixes: 2de50e9674fc ("powerpc/powernv: Remove support for p5ioc2")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

  reply	other threads:[~2019-12-04  2:45 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-03 23:25 KASAN: use-after-free Read in tty_open syzbot
2019-12-04  2:45 ` syzbot [this message]
2019-12-04  6:53   ` Dmitry Vyukov
2020-04-25  0:23 ` syzbot
2020-04-25  2:18   ` Eric Biggers

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