[PATCH] linux: make getcwd(3) fail if it cannot obtain an absolute path [BZ #22679]

[Andreas Schwab]

On Jan 07 2018, "Dmitry V. Levin" <ldv@altlinux.org> wrote:

> As the underlying getcwd syscall, starting with linux commit
> v2.6.36-rc1~96^2~2, may succeed without returning an absolute path,
> check for the path returned by syscall and fail with EACCES if the path
> is not absolute.

When we still used /proc we just fell through to the generic getcwd in
that case.

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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