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2018 Jul 18
3
Behavior of safe_realloc_add_2op_()
I'm looking at an issue reported by the Coverity static analyzer.
In iconvert() in src/share/utf8/iconvert.c on line 152 there is
newbuf = safe_realloc_add_2op_(utfbuf, ...);
If the request size is not valid, the function will free utfbuf and
return 0. This is followed by goto fail and utfbuf is freed for the
second time. A simply fix would be to set utfbuf to 0 if newbuf is 0.
However, this would create a leak in the case when the size is ok, but
the reallocati...