[Bug 1717367] Re: FTBFS: segfaults in testsuite with perl 5.26.0-7

[Steve Langasek]

Backtrace with debugging symbols:

(gdb) bt
#0  __strcmp_sse2_unaligned ()
    at ../sysdeps/x86_64/multiarch/strcmp-sse2-unaligned.S:32
#1  0x00007ffff626591d in s_signum (sig=sig at entry=0x555555b8e5b8)
    at schmorp.h:127
#2  0x00007ffff62672a9 in s_signum_croak (sig=0x555555b8e5b8) at schmorp.h:141
#3  XS_Async__Interrupt__alloc (my_perl=<optimized out>, cv=<optimized out>)
    at Interrupt.xs:313
#4  0x0000555555698fed in Perl_pp_entersub (my_perl=0x555555a94010)
    at pp_hot.c:4231
#5  0x000055555565419a in Perl_runops_debug (my_perl=0x555555a94010)
    at dump.c:2451
#6  0x00005555555bd236 in S_run_body (oldscope=1, my_perl=0x555555a94010)
    at perl.c:2524
#7  perl_run (my_perl=0x555555a94010) at perl.c:2447
#8  0x0000555555583f0e in main (argc=<optimized out>, argv=<optimized out>, 
    env=<optimized out>) at perlmain.c:123
(gdb)

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https://bugs.launchpad.net/bugs/1717367

Title:
  FTBFS: segfaults in testsuite with perl 5.26.0-7

Status in libanyevent-perl package in Ubuntu:
  New
Status in perl package in Ubuntu:
  New

Bug description:
  The autopkgtests segfault against perl 5.26.0-7 in Ubuntu, and the new
  version of the package also fails to build in -proposed because the
  tests are segfaulting at package build time.

  $ perl ./t/02_signals.t
  1..5
  ok 1
  Segmentation fault (core dumped)
  $ gdb --args perl ./t/02_signals.t
  GNU gdb (Ubuntu 8.0.1-0ubuntu1) 8.0.1
  Copyright (C) 2017 Free Software Foundation, Inc.
  [...]
  (gdb) run
  Starting program: /usr/bin/perl ./t/02_signals.t
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  1..5
  ok 1

  Program received signal SIGSEGV, Segmentation fault.
  0x00007ffff738811e in ?? () from /lib/x86_64-linux-gnu/libc.so.6
  (gdb) bt
  #0  0x00007ffff738811e in ?? () from /lib/x86_64-linux-gnu/libc.so.6
  #1  0x00007ffff626591d in ?? ()
     from /usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Async/Interrupt/Interrupt.so
  #2  0x00007ffff62672a9 in ?? ()
     from /usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Async/Interrupt/Interrupt.so
  #3  0x000055555562fab1 in Perl_pp_entersub ()
  #4  0x00005555556278e6 in Perl_runops_standard ()
  #5  0x00005555555a8d87 in perl_run ()
  #6  0x0000555555580332 in main ()
  (gdb)

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