malformed gif causes segfault in giffilter
A library and utilities for processing GIFs
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#63 malformed gif causes segfault in giffilter
The attached gif file will cause a segfault in giffilter. According to the address sanitizer output (will also attach that) this happens in line 115 of giffilter.c which is:
Extension[0],
So it seems Extension is accessed, but not allocated.
Fix pushed. The error retur is not very informative, but it is after all a malformed file. At least it doesb't crash.