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From 4b1de995d3b25d6503fdd7570e27b558fd61a7d0 Mon Sep 17 00:00:00 2001
From: Colin Watson <cjwatson@debian.org>
Date: Mon, 27 Jan 2014 07:47:18 +0000
Subject: Check that symmetry group passed to kaliprint is in range
Forwarded: no
Last-Update: 2013-07-02
Patch-Name: print-symtab-bounds.patch
---
printmain.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/printmain.c b/printmain.c
index ddd46be..d5cbc6b 100644
--- a/printmain.c
+++ b/printmain.c
@@ -40,6 +40,10 @@ int main(int argc, char *argv[])
return EXIT_FAILURE;
}
fscanf(pat,"%d\n",&i);
+ if (i < 0 || i >= NUM_SYM) {
+ fprintf(stderr,"Symmetry group %d out of range\n",i);
+ return EXIT_FAILURE;
+ }
sym = &SYMTAB[i];
fscanf(pat,"%f %f\n",&win_rect.width,&win_rect.height);
fscanf(pat,"%f %f\n",&(sym->v1.x),&(sym->v1.y));
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