Re: Exim-4.99 and Ubuntu 25.10

On 2025/10/28 4:25 PM, Andrew C Aitchison via Exim-users wrote:
> In function ‘read’,
>      inlined from ‘rda_read_string’ at rda.c:493:7:
> /usr/include/x86_64-linux-gnu/bits/unistd.h:32:10: error: ‘__read_alias’
>    specified size 18446744073709551615 exceeds maximum object size
>    9223372036854775807 [-Werror=stringop-overflow=]
>     32 |   return __glibc_fortify (read, __nbytes, sizeof (char),
>        |          ^~~~~~~~~~~~~~~
> /usr/include/x86_64-linux-gnu/bits/unistd-decl.h: In function
>    ‘rda_read_string’:
> /usr/include/x86_64-linux-gnu/bits/unistd-decl.h:29:16: note: in a call to
>    function ‘__read_alias’ declared with attribute access (write_only, 2, 3)’
>     29 | extern ssize_t __REDIRECT_FORTIFY (__read_alias, (int __fd,
>       void *__buf,
>        |                ^~~~~~~~~~~~~~~~~~

Any idea what "specified size" it is referring to?

My best guess is the return type, and an ssize_t vs. size_t muck-up.

-- 
Cheers,
   Jeremy

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