xserver: Branch 'server-1.9-branch'
Jeremy Huddleston
jeremyhu at kemper.freedesktop.org
Wed Mar 9 15:57:21 PST 2011
hw/xfree86/vbe/vbe.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
New commits:
commit 8ffaef2ebd2611e2eed4ef97350c3a34508f5252
Author: Adam Jackson <ajax at redhat.com>
Date: Thu Feb 24 16:06:34 2011 -0500
vbe: Fix malloc size bug
v2: Slightly more obvious sizing math.
==14882== Invalid write of size 2
==14882== at 0x6750267: VBEGetVBEInfo (vbe.c:400)
==14882== by 0x6142064: ??? (in /usr/lib64/xorg/modules/drivers/vesa_drv.so)
==14882== by 0x471895: InitOutput (xf86Init.c:519)
==14882== by 0x422778: main (main.c:205)
==14882== Address 0x4f32fa8 is 72 bytes inside a block of size 73 alloc'd
==14882== at 0x4A0640D: malloc (vg_replace_malloc.c:236)
==14882== by 0x675024B: VBEGetVBEInfo (vbe.c:398)
==14882== by 0x6142064: ??? (in /usr/lib64/xorg/modules/drivers/vesa_drv.so)
==14882== by 0x471895: InitOutput (xf86Init.c:519)
==14882== by 0x422778: main (main.c:205)
Reviewed-by: Mark Kettenis <kettenis at openbsd.org>
Reviewed-by: Alan Coopersmith <alan.coopersmith at oracle.com>
Signed-off-by: Adam Jackson <ajax at redhat.com>
(cherry picked from commit d8caa782009abf4dc17b945e325e83fda299a534)
diff --git a/hw/xfree86/vbe/vbe.c b/hw/xfree86/vbe/vbe.c
index 7a64a4a..1d3775b 100644
--- a/hw/xfree86/vbe/vbe.c
+++ b/hw/xfree86/vbe/vbe.c
@@ -395,7 +395,7 @@ VBEGetVBEInfo(vbeInfoPtr pVbe)
i = 0;
while (modes[i] != 0xffff)
i++;
- block->VideoModePtr = malloc(sizeof(CARD16) * i + 1);
+ block->VideoModePtr = malloc(sizeof(CARD16) * (i + 1));
memcpy(block->VideoModePtr, modes, sizeof(CARD16) * i);
block->VideoModePtr[i] = 0xffff;
More information about the xorg-commit
mailing list