https://bugs.freedesktop.org/show_bug.cgi?id=94481
Bug ID: 94481
Summary: softpipe - access violation in img_filter_2d_nearest
Product: Mesa
Version: 11.2
Hardware: All
OS: Windows (All)
Status: NEW
Severity: major
Priority: medium
Component: Other
Assignee: mesa-dev@lists.freedesktop.org
Reporter: greg.bea...@gmail.com
QA Contact: mesa-dev@lists.freedesktop.org
img_filter_2d_nearest and the other image filter functions access the
args->offset property of the img_filter structure which is a pointer without
checking if the value is actually defined. img_filter_2d_ewa(...) creates a
local copy of img_filter, but it never initializes the offset property. When
that local copy of img_filter is passed into min_filter(sp_sview, sp_samp,
&args, &rgba_temp[0][jj]), an access violation occurs when the offset property
is attempted to be read.
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