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SubjectRe: Linux-2.3.51, and the pre-2.4 series..
Linus Torvalds wrote:
> > [turns out bash (ie the dynamic linker) gets killed with a SIGBUS, after
> > it maps a zero-length "/etc/"
> Ahhah!
> This is another change in 2.3.x behaviour: it is a POSIX requirement that
> I don't particularly like, but there you have it. Any access past the last
> page of a file should give a SIGBUS. Previous Linux behaviour was to just
> map in a zero page.

Fortunately, reading any byte of a zero length /etc/ (a
text file) and expect to see a zero looks like a blatant bug in the
dynamic linker.

-- Jamie

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