Re: [PATCH 5/8] fstatat etc.: fix wrong machine code for calls

On 2026-06-16 11:43, Bruno Haible wrote:
> Paul Eggert wrote:
>> ... assume that the calls’ arguments cannot be
>> null pointers.  This assumption became false with the release of
>> Linux kernel 6.11 (2024).
> 
> Wow. I'm impressed that you notice that. Is there a systematic way
> for us to notice such changes?

Only sort-of-systematic way I can think of offhand is to have LLMs 
review kernel and libc changes.

I found the problem the hard way: some of my experimental code got 
miscompiled. Luckily I didn't need to spend much time diagnosing: the 
wrong machine code was a dead giveaway.