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dix: build_modmap_from_modkeymap needs to bounds-check its argument.

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Daniel Stone <daniel@fooishbar.org>
This commit is contained in:
Peter Hutterer
2009-03-23 13:20:22 +10:00
parent 45baef0b77
commit e3c1096273
1 changed files with 3 additions and 0 deletions
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3
dix/inpututils.c
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@@ -235,6 +235,9 @@ static int build_modmap_from_modkeymap(CARD8 *modmap, KeyCode *modkeymap,
if (!modkeymap[i])
continue;
if (modkeymap[i] >= MAP_LENGTH)
return BadValue;
if (modmap[modkeymap[i]])
return BadValue;