https://bugs.freedesktop.org/show_bug.cgi?id=88882
Bug ID: 88882
Summary: hud_context.c: possible NULL-pointer dereference
Product: Mesa
Version: git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Gallium/radeonsi
Assignee: dri-devel at lists.freedesktop.org
Reporter: xypron.glpk at gmx.de
QA Contact: dri-devel at lists.freedesktop.org
In
mesa/src/gallium/auxiliary/hud/hud_context.c
we find the following code
case ',':
env++;
y += height + hud->font.glyph_height * (pane->num_graphs + 2);
if (pane && pane->num_graphs) {
LIST_ADDTAIL(&pane->head, &hud->pane_list);
pane = NULL;
}
break;
pane is checked for being NULL. So obviously we expect NULL as possible value.
But we use pane->num_graphs before the check. This is possibly a NULL-pointer
dereference.
The problem was indicated by cppcheck
http://cppcheck.sourceforge.net/
Best regards
Heinrich Schuchardt
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