[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH] display: cirrus: check vga bits per pixel(bpp)
|
From: |
P J P |
|
Subject: |
Re: [Qemu-devel] [PATCH] display: cirrus: check vga bits per pixel(bpp) value |
|
Date: |
Tue, 15 Nov 2016 22:13:05 +0530 (IST) |
+-- On Tue, 18 Oct 2016, P J P wrote --+
| From: Prasad J Pandit <address@hidden>
|
| 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 <address@hidden>
| Signed-off-by: Prasad J Pandit <address@hidden>
| ---
| 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
- Re: [Qemu-devel] [PATCH] display: cirrus: check vga bits per pixel(bpp) value,
P J P <=