From: Eric Biggers <ebiggers@kernel.org>
To: syzbot <syzbot+9af6d43c1beabec8fd05@syzkaller.appspotmail.com>
Cc: dvyukov@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 19:18:35 -0700 [thread overview]
Message-ID: <20200425021835.GA849@sol.localdomain> (raw)
In-Reply-To: <0000000000002d42ee05a4127cfc@google.com>
On Fri, Apr 24, 2020 at 05:23:03PM -0700, syzbot wrote:
> 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
#syz fix: vt: vt_ioctl: fix VT_DISALLOCATE freeing in-use virtual console
prev parent reply other threads:[~2020-04-25 2:18 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
2020-04-25 2:18 ` Eric Biggers [this message]
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