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Fix OOM with obviously corrupt miptex lumps (eg: jvoxdm1.bsp).

This commit is contained in:
Shpoike 2023-03-15 18:00:47 +00:00
parent 527233154c
commit 5ed4012a9b
1 changed files with 6 additions and 0 deletions
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6
engine/gl/gl_model.c
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@ -3737,6 +3737,12 @@ TRACE(("dbg: Mod_LoadTextures: inittexturedescs\n"));
m->nummiptex = LittleLong (m->nummiptex);
if ((1+m->nummiptex)*sizeof(int) > l->filelen)
{
Con_Printf(CON_WARNING "warning: %s contains corrupt texture lump\n", loadmodel->name);
return false;
}
loadmodel->numtextures = m->nummiptex;
loadmodel->textures = ZG_Malloc(&loadmodel->memgroup, m->nummiptex * sizeof(*loadmodel->textures));
sizes = alloca(sizeof(*sizes)*m->nummiptex);