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From: syzbot <syzbot+9af6d43c1beabec8fd05@syzkaller.appspotmail.com>
To: dvyukov@google.com, ebiggers@google.com, gleb@kernel.org,
	gregkh@linuxfoundation.org, gwshan@linux.vnet.ibm.com,
	hpa@zytor.com, jslaby@suse.com, jslaby@suse.cz,
	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: Fri, 24 Apr 2020 17:23:03 -0700	[thread overview]
Message-ID: <0000000000002d42ee05a4127cfc@google.com> (raw)
In-Reply-To: <000000000000dd04830598d50133@google.com>

syzbot suspects this bug was fixed by commit:

commit ca4463bf8438b403596edd0ec961ca0d4fbe0220
Author: Eric Biggers <ebiggers@google.com>
Date:   Sun Mar 22 03:43:04 2020 +0000

    vt: vt_ioctl: fix VT_DISALLOCATE freeing in-use virtual console

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11594fc8100000
start commit:   07c4b9e9 Merge tag 'scsi-fixes' of git://git.kernel.org/pu..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=79f79de2a27d3e3d
dashboard link: https://syzkaller.appspot.com/bug?extid=9af6d43c1beabec8fd05
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=113886fae00000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1263520ae00000

If the result looks correct, please mark the bug fixed by replying with:

#syz fix: vt: vt_ioctl: fix VT_DISALLOCATE freeing in-use virtual console

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

  parent reply	other threads:[~2020-04-25  0:23 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
2019-12-04  6:53   ` Dmitry Vyukov
2020-04-25  0:23 ` syzbot [this message]
2020-04-25  2:18   ` Eric Biggers

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