From: P J P <ppandit@redhat.com>
To: Qemu Developers <qemu-devel@nongnu.org>
Cc: Peter Maydell <peter.maydell@linaro.org>,
Huawei PSIRT <psirt@huawei.com>
Subject: Re: [Qemu-devel] [PATCH] display: cirrus: check vga bits per pixel(bpp) value
Date: Tue, 15 Nov 2016 22:13:05 +0530 (IST) [thread overview]
Message-ID: <alpine.LFD.2.20.1611152211530.24439@wniryva> (raw)
In-Reply-To: <1476776717-24807-1-git-send-email-ppandit@redhat.com>
+-- On Tue, 18 Oct 2016, P J P wrote --+
| From: Prasad J Pandit <pjp@fedoraproject.org>
|
| In Cirrus CLGD 54xx VGA Emulator, if cirrus graphics mode is VGA,
| 'cirrus_get_bpp' returns zero(0), which could lead to a divide
| by zero error in while copying pixel data. The same could occur
| via blit pitch values. Add check to avoid it.
|
| Reported-by: Huawei PSIRT <psirt@huawei.com>
| Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
| ---
| hw/display/cirrus_vga.c | 14 ++++++++++----
| 1 file changed, 10 insertions(+), 4 deletions(-)
|
Ping...!
--
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
next prev parent reply other threads:[~2016-11-15 16:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-18 7:45 [Qemu-devel] [PATCH] display: cirrus: check vga bits per pixel(bpp) value P J P
2016-11-15 16:43 ` P J P [this message]
2016-11-16 14:13 ` Marc-André Lureau
2016-11-28 6:22 ` P J P
2016-12-05 7:33 ` P J P
2017-01-11 14:59 ` Alberto Garcia
2017-01-11 20:43 ` Gerd Hoffmann
2017-01-20 9:46 ` Wolfgang Bumiller
2017-01-23 11:56 ` Gerd Hoffmann
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