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Date: Wed, 15 Jan 2014 13:13:52 +0100
From: Szabolcs Nagy <nsz@...t70.net>
To: musl@...ts.openwall.com
Subject: Re: install.sh is wrong with libc.so

* orc <orc@...server.ru> [2014-01-15 16:42:08 +0800]:
> umask 077
> cat < lib/libc.so > /lib/libc.so.tmp.pid # /lib/libc.so.tmp.pid is created with mode 600
> mv -f /lib/libc.so.tmp.pid /lib/libc.so
> chmod 755 /lib/libc.so # failed with "Permission denied"
> 
> After that the system is unusable and requires external assistance.

this is why you should have chmod statically linked

but this should be fixed so there is no window during
the update where dynamically linked binaries fail

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