tar -x fails with libtrash on some archives; wrongly creates mode 000 extracts

[dreirund]

it appeared to me with https://github.com/openwrt/openwrt/archive/v17.01.4.tar.gz
(sha256sum v17.01.4.tar.gz: a833a0c1c212209fdb6717ee943b0d8c6ce60a33c6e2792e6b59302387c69b44 v17.01.4.tar.gz)

When I extract it with LIBTRASH preloaded (and I am not in a directory
which is listed at TEMPORARY_DIRS or somewhere else in ~/.libtrash):

tar -xvzf v17.01.4.tar.gz

at the end I sometimes get the error

tar: openwrt-17.01.4/target/linux/layerscape/32b/profiles/00-default.mk: Cannot unlink: Permission denied
tar: openwrt-17.01.4/package/base-files/files/etc/os-release: Cannot unlink: Permission denied
tar: Exiting with failure status due to previous errors

and sometimes the error

tar: Exiting with failure status due to previous errors

(Always one of those two).

If I look at the files openwrt-17.01.4/target/linux/layerscape/32b/profiles/00-default.mk and openwrt-17.01.4/package/base-files/files/etc/os-release, they have permission 000 (i.e. no read, write or execute permission for user, for group and for all).

The complete output of

tar -xvzf v17.01.4.tar.gz 2>&1 | tee logfile

is here: error-variant 1 (size: ca. 612 kB), error-variant 2 (size: ca. 612 kB).

I have also attached the output of

strace tar -xvzf v17.01.4.tar.gz 2>&1 | tee logfile

(for the second error variant): here (size: ca. 4.5 MB).

When I extract it with

TRASH_OFF=YES tar -xvzf v17.01.4.tar.gz

or with

LD_PRELOAD='' tar -xvzf v17.01.4.tar.gz

everything works fine.

Error also happens if I

gunzip v17.01.4.tar.gz

first and then just

tar -xvf v17.01.4.tar

Attached you also find my current ~/.libtrash:
here (size: ca. 18 kB)

Note: My ~/.libtrash is a symlink to a system-wide libtrash config file
I use for all users.