When `fstat` fails, `st` is left uninitialised. In our case, Ben Kohler
noticed our release media builds were failing in Gentoo on x86 when building
busybox with occasional SIGBUS. This turned out to be EOVERFLOW (from 32-bit
ino_t) which wasn't being reported because nothing was checking the
Linus Heckemann 於 2024年4月23日 星期二寫道：
>
> I don't really see the existence of /init being so critical for
> this check given that we check below that it's a ramfs or tmpfs, which
> seems to me to be enough that people won't be destroying filesystems
> they cared a great deal about.
>
The
Kang-Che Sung writes:
> Linus Heckemann 於 2024年4月19日 星期五寫道：
>> We were having some difficulty switching out of our custom initramfs
>> into the final filesystem, with the error "message '/init' is not a
>> regular file". We were confused as to why it was looking for `/init`
>> -- we didn't have
