Thanks for the update.

On Thu, Jun 21, 2018 at 6:45 AM Launchpad Bug Tracker <
<email address hidden>> wrote:

> This bug was fixed in the package lz4 - 1.8.2-1ubuntu1
>
> ---------------
> lz4 (1.8.2-1ubuntu1) cosmic; urgency=low
>
>   * Merge from Debian unstable.  Remaining changes:
>     - Build using -O3 by default; this papers over a test suite failure
>       with -O2 on s390x. See LP: #1571403.
>   * Fix 0002-Fix-static-link.patch to export LD_LIBRARY_PATH in
>     examples.
>   * Build verbosely (with V=1)
>
> lz4 (1.8.2-1) unstable; urgency=medium
>
>   * New upstream release.
>   * Add debian/watch file.
>   * Update debian/liblz4-1.symbols.
>     Add APIs following:
>       - LZ4_attach_HC_dictionary@Base
>       - LZ4_attach_dictionary@Base
>       - LZ4_compress_fast_extState_fastReset@Base
>       - LZ4_decoderRingBufferSize@Base
>       - LZ4_resetStream_fast@Base
>
> lz4 (1.8.1.2-1) unstable; urgency=medium
>
>   * New upstream release.
>   * Update static link problem fix.
>     In this fix, add LZ4F_PUBLISH_STATIC_FUNCTIONS to compile option.
>     This makes the following API available for reference to the library.
>       - LZ4F_compressBegin_usingCDict@Base
>       - LZ4F_compressFrame_usingCDict@Base
>       - LZ4F_createCDict@Base
>       - LZ4F_decompress_usingDict@Base
>       - LZ4F_freeCDict@Base
>       - LZ4F_getErrorCode@Base
>
> lz4 (1.8.0-5) unstable; urgency=medium
>
>   * Upload to unstable.
>
> lz4 (1.8.0-4) experimental; urgency=medium
>
>   * Add liblz4-tool transitional package (Closes: #894279)
>
> lz4 (1.8.0-3) experimental; urgency=medium
>
>   * Change package name to liblz4-1.
>     Do not need to change SONAME, so revert it.
>
> lz4 (1.8.0-2) experimental; urgency=medium
>
>   * Change package name to liblz4-1a.
>     From 1.8.0, lz4 removed some API in 1.8.0, but upstream dose not bump
>     the SONAME. We changed to -1a to maintain compatibility.
>   * Fix Static link. (#882974)
>   * Update debian/copyright.
>     - Fix insecure copyright format URI.
>     - Update copyright information.
>   * Update Vcs-Browser and Vcs-Git to use salsa.
>
> lz4 (1.8.0-1) experimental; urgency=medium
>
>   * New upstream release. (Closes: #860168, #821740)
>   * Bump Standards-Version to 4.1.0.
>   * Remove patches/ignore_rm_fail.patch.
>   * Update symbols file.
>   * Rename liblz4-tool to lz4. (Closes: #781234)
>   * Change Priority to optional. (Closes: #816620)
>
> lz4 (1.7.5-1) UNRELEASED; urgency=medium
>
>   * New upstream release.
>   * Bump Standards-Version to 3.9.8.
>   * Update symbols file.
>   * Add patches/ignore_rm_fail.patch.
>
>  -- Julian Andres Klode <email address hidden>  Mon, 28 May 2018 11:20:12
> +0200
>
> ** Changed in: lz4 (Ubuntu)
>        Status: Confirmed => Fix Released
>
> --
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> https://bugs.launchpad.net/bugs/1571403
>
> Title:
>   lz4 fails to run the tests on s390x (glibc-2.23 related?)
>
> Status in glibc package in Ubuntu:
>   New
> Status in lz4 package in Ubuntu:
>   Fix Released
> Status in glibc source package in Xenial:
>   New
> Status in lz4 source package in Xenial:
>   Confirmed
>
> Bug description:
>   seen in the test rebuild:
>
>   https://launchpad.net/ubuntu/+archive/test-
>   rebuild-20160401/+build/9483622
>
>   60658
>   60679
>   60698
>   60724   *** Error in `./fuzzer': double free or corruption (!prev):
> 0x000002aa181a4090 ***
>   ======= Backtrace: =========
>   /lib/s390x-linux-gnu/libc.so.6(+0x791ba)[0x3ffaf7791ba]
>   /lib/s390x-linux-gnu/libc.so.6(+0x7f62e)[0x3ffaf77f62e]
>   /lib/s390x-linux-gnu/libc.so.6(+0x80010)[0x3ffaf780010]
>   ./fuzzer(+0xed86)[0x2aa1490ed86]
>   ./fuzzer(main+0x15c)[0x2aa14900e84]
>   /lib/s390x-linux-gnu/libc.so.6(__libc_start_main+0x10e)[0x3ffaf722ece]
>   ./fuzzer(+0x145c)[0x2aa1490145c]
>   ======= Memory map: ========
>   2aa14900000-2aa14914000 r-xp 00000000 fc:00 1443097
> /<<PKGBUILDDIR>>/programs/fuzzer
>   2aa14914000-2aa14915000 r--p 00013000 fc:00 1443097
> /<<PKGBUILDDIR>>/programs/fuzzer
>   2aa14915000-2aa14916000 rw-p 00014000 fc:00 1443097
> /<<PKGBUILDDIR>>/programs/fuzzer
>   2aa1815f000-2aa1820d000 rw-p 00000000 00:00 0
> [heap]
>   3ffa8000000-3ffa8021000 rw-p 00000000 00:00 0
>   3ffa8021000-3ffac000000 ---p 00000000 00:00 0
>   3ffaf680000-3ffaf690000 r-xp 00000000 fc:00 1180835
> /lib/s390x-linux-gnu/libgcc_s.so.1
>   3ffaf690000-3ffaf691000 rw-p 0000f000 fc:00 1180835
> /lib/s390x-linux-gnu/libgcc_s.so.1
>   3ffaf700000-3ffaf885000 r-xp 00000000 fc:00 1183401
> /lib/s390x-linux-gnu/libc-2.23.so
>   3ffaf885000-3ffaf889000 r--p 00184000 fc:00 1183401
> /lib/s390x-linux-gnu/libc-2.23.so
>   3ffaf889000-3ffaf88b000 rw-p 00188000 fc:00 1183401
> /lib/s390x-linux-gnu/libc-2.23.so
>   3ffaf88b000-3ffaf88f000 rw-p 00000000 00:00 0
>   3ffaf980000-3ffaf9a4000 r-xp 00000000 fc:00 1183402
> /lib/s390x-linux-gnu/ld-2.23.so
>   3ffaf9a4000-3ffaf9a5000 r--p 00023000 fc:00 1183402
> /lib/s390x-linux-gnu/ld-2.23.so
>   3ffaf9a5000-3ffaf9a7000 rw-p 00024000 fc:00 1183402
> /lib/s390x-linux-gnu/ld-2.23.so
>   3ffaf9f5000-3ffaf9fe000 rw-p 00000000 00:00 0
>   3ffaf9fe000-3ffafa00000 r-xp 00000000 00:00 0
> [vdso]
>   3ffefabc000-3ffefb80000 rw-p 00000000 00:00 0
> [stack]
>   All unit tests completed successfully
>
>     60747 /  60747   - all tests completed successfully
>   compression ratio: 55.197%
>   HC compression ratio: 51.173%
>   ratio with dict: 44.457%
>   Makefile:277: recipe for target 'test-fuzzer' failed
>   make[3]: *** [test-fuzzer] Aborted
>   make[3]: Leaving directory '/<<PKGBUILDDIR>>/programs'
>   Makefile:98: recipe for target 'test' failed
>   make[2]: *** [test] Error 2
>
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