[Bug 10651] tar: check for unsafe symlinks is overly strict

bugzilla at busybox.net bugzilla at busybox.net
Wed Feb 14 22:29:02 UTC 2018


https://bugs.busybox.net/show_bug.cgi?id=10651

--- Comment #3 from Daniel Goertzen <daniel.goertzen at gmail.com> ---
Ouch, this behavior change started bricking embedded systems I work with. 
Similar to Harald, untarring a new root filesystem containing Busybox onto a
target device now fails to unpack all the /sbin/ symlinks (for example the
missing "pivot_root -> ../bin/busybox" link was the one that blew up my
systems).

At this point it is simpler and more robust for me to switch to gnu tar rather
than maintain EXTRACT_UNSAFE_SYMLINKS=1 in all the right places.

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