[arch-dev-public] [signoff] coreutils-8.12-1

Gaetan Bisson bisson at archlinux.org
Sat Apr 30 10:59:37 EDT 2011

[2011-04-27 21:14:37 +1000] Allan McRae:
> Upstream notes:
> We released coreutils-8.11 less than two weeks ago.
> Why a new release so soon?  Because under unusual conditions,
> coreutils-8.11's copying code could cause trouble.  Data loss trouble.
> The trouble could arise only when these conditions are all met:
>   - when using linux-2.6.39-related kernels (including at least -rc3) and
>   - using an xfs file system and
>   - copying (via cp, install, mv) a file with a so-called "unwritten
>       extent" shortly after it has been created, yet before some
>       data in that unwritten extent has made it to disk.
>       This would happen if you're using the "gold" linker, which
>       preallocates using fallocate and then writes its output
>       (the binaries) into those unwritten extents, and you then
>       immediately copy those binaries into place via "make install".
> Under those conditions, just building coreutils and running "make
> install" quickly enough after compile and link would result in
> installing files containing all 0 bytes.

Signoff both.


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