Public bug reported:

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

** Affects: glibc (Ubuntu)
     Importance: High
         Status: New

** Affects: lz4 (Ubuntu)
     Importance: High
         Status: Confirmed

** Affects: glibc (Ubuntu Xenial)
     Importance: High
         Status: New

** Affects: lz4 (Ubuntu Xenial)
     Importance: High
         Status: Confirmed


** Tags: ftbfs

** Also affects: lz4 (Ubuntu Xenial)
   Importance: High
       Status: Confirmed

** Also affects: glibc (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: glibc (Ubuntu Xenial)
   Importance: Undecided => High

** Changed in: glibc (Ubuntu Xenial)
    Milestone: None => ubuntu-16.04

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Matching subscriptions: Ubuntu 16.04 Bugs
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:
  Confirmed
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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