[Nasm-bugs] [Bug 3392333] Out of bounds heap read in function expand_mmac_params() during test suite run

[no-reply at bugzilla-nasm.gorcunov.org]

http://bugzilla.nasm.us/show_bug.cgi?id=3392333

--- Comment #4 from Cyrill Gorcunov <gorcunov at gmail.com> ---
expand_mmac_params --> we examinate [1]. getenv generates TOK_PREPROC_ID, and
previously we simply duplicate "", as result first call to expand_mmac_params
accessed out of bound memory.

I this it's fine to make a fast fix and provide 2 byte empty string instead,
for now of course. Later we can improve the code.

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