[Nasm-bugs] [Bug 3392751] Read of Uninitialized Value on calcsize (asm/assemble.c)

noreply-nasm at dev.nasm.us noreply-nasm at dev.nasm.us
Mon May 3 13:51:29 PDT 2021


--- Comment #7 from Marco <mvanotti at protonmail.com> ---
Amazing! I missed that commit.

One more question: does the TravisCI tool build with sanitizer support off the
bat? From what I can see in
https://github.com/netwide-assembler/nasm/blob/master/.travis.yml, it seems
like there is nothing explicitly adding address-sanitizer support. I am not
sure if it is detected automatically, but in any case, it seems like that's
something we want to for all the tests.

In this particular case, even without asan it would be a segmentation fault,
depending on the previous (uninitialized) value of the variable.

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