[4.5.9]
* du no longer truncates file sizes or sums to fit in size_t
-* pwd now fails if the name of the working directory is so long that getcwd
+* work around Linux kernel bug in getcwd (fixed in 2.4.21-pre4), so that pwd
+ now fails if the name of the working directory is so long that getcwd
truncates it. Before it would print the truncated name and exit successfully.
* `df /some/mount-point' no longer hangs on a GNU libc system when another
hard-mounted NFS file system (preceding /some/mount-point in /proc/mounts)