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Insert check for integer overflow in # of fonts. 

reviewed by: plam
This commit is contained in:
Patrick Lam 2006-02-06 14:14:21 +00:00
parent 788c4af232
commit f076169d19
2 changed files with 8 additions and 1 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2006-02-06 Dirk Mueller <dmueller@suse.de>
reviewed by: plam
* src/fcfs.c (FcFontSetUnserialize):
Insert check for integer overflow in # of fonts.
2006-02-04 Behdad Esfahbod <behdad@cs.toronto.edu> 2006-02-04 Behdad Esfahbod <behdad@cs.toronto.edu>
reviewed by: plam reviewed by: plam

2
src/fcfs.c
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@ -159,7 +159,7 @@ FcFontSetUnserialize(FcCache * metadata, FcFontSet * s, void * block_ptr)
nfont = *(int *)block_ptr; nfont = *(int *)block_ptr;
block_ptr = (int *)block_ptr + 1; block_ptr = (int *)block_ptr + 1;
if (nfont > 0) if (nfont > 0 && nfont < metadata.count)
{ {
FcPattern * p = (FcPattern *)block_ptr; FcPattern * p = (FcPattern *)block_ptr;