Re: [PATCH v5 0/1] MR7047: xmllite/tests: Avoid buffer overflow by using LONG_PTR. (ASan)

[Nikolay Sivov (＠nsivov)]

On Thu Dec 19 19:31:44 2024 +0000, Alfred Agrell wrote:
> I'd change line 581 to something with the high half nonzero (-1, for
> example), to verify how many bytes native actually writes.
> (It writes a LONG_PTR, I checked.)

It's a natural assumption that argument type width is how many bytes it will write. You wouldn't check if e.g. 4-byte integer pointer argument updates all 4 bytes.