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Date: Sat, 2 Dec 2023 09:48:58 +0100
From: Markus Wichmann <nullplan@....net>
To: musl@...ts.openwall.com
Cc: Anuraag Agrawal <anuraaga@...il.com>
Subject: Re: Large overflow in __intscan ignored
Am Sat, Dec 02, 2023 at 10:42:11AM +0900 schrieb Anuraag Agrawal:
> Hello,
>
> Thanks for checking and very sorry for the noise, I didn't read the loop
> condition correctly. I am using Webassembly so the issue must be specific
> to it somehow. I will report on wasi-libc to follow up.
>
> Thanks,
Don't worry about it. The only way I see this could overflow is if
ULLONG_MAX is not the correct limit for what the compiler implements as
"unsigned long long". Though I don't see how that could be, since musl
defines ULLONG_MAX as the minimum value the type can have according to
the C standard.
Or else, of course, maybe the compiler's implementation of 64-bit
multiplication is broken.
Ciao,
Markus
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