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gallium/hud: avoid buffer overrun

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Renaming data sources was added in
e8bb97ce30
It was possible to use a new name longer than
the name array in hud_graph of 128. This
patch truncates the name to fit the array.

CC: Marek Olšák <marek.olsak@amd.com>

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Thomas Hindoe Paaboel Andersen 2017-01-15 00:28:54 +01:00 • committed by Marek Olšák
parent 0d9a4efce9
commit 8daf6de3de
1 changed files with 4 additions and 2 deletions
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6
src/gallium/auxiliary/hud/hud_context.c
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@ -1275,8 +1275,10 @@ hud_parse_env_var(struct hud_context *hud, const char *env)
strip_hyphens(s);
if (!LIST_IS_EMPTY(&pane->graph_list)) {
strcpy(LIST_ENTRY(struct hud_graph,
pane->graph_list.prev, head)->name, s);
struct hud_graph *graph;
graph = LIST_ENTRY(struct hud_graph, pane->graph_list.prev, head);
strncpy(graph->name, s, sizeof(graph->name)-1);
graph->name[sizeof(graph->name)-1] = 0;
}
}