Public bug reported:
Martin Smola reported that last tar security updates caused a possible
regression:
=== Original Report ===
Environment:
Ubuntu 22.04.5 LTS (Jammy)
OpenEmbedded / Yocto (Scarthgap)
The problem is fully reproducible.
Results:
tar 1.34+dfsg-1build3 -> OK
tar 1.34+dfsg-1ubuntu0.1.22.04.4 -> FAIL
tar 1.34+dfsg-1ubuntu0.1.22.04.5 -> FAIL
Downgrading back to 1.34+dfsg-1build3 immediately fixes the problem.
This does not appear to be the same issue as LP #2160650. Version
.22.04.5 fixes that issue, but this regression is still reproducible.
The failure happens during the OpenEmbedded do_package task while
copying the package using:
tar --exclude=./sysroot-only -cf - -C <image> -p -S . | tar -xf - -C
<package>
The relevant error is:
got *at() syscall for unknown directory, fd 4
unknown base path for fd 4, path lib
couldn't allocate absolute path for 'lib'
tar: ./usr/lib: Cannot mkdir: Bad address
The complete log.do_package is attached.
** Affects: tar (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "log.do_package.16658"
https://bugs.launchpad.net/bugs/2161305/+attachment/5984497/+files/log.do_package.16658
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https://bugs.launchpad.net/bugs/2161305
Title:
Possible tar regression affecting OpenEmbedded
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