[Bug 2054450] [NEW] apport arm64 autopkgtest flaky

[Julian Andres Klode]

Public bug reported:

The following failure can sometimes be observed on arm64 in noble, for
example, with gnupg2 and sensible-utils:

360s =================================== FAILURES ===================================
360s __________________________ T.test_core_dump_packaged ___________________________
360s 
360s self = <tests.integration.test_signal_crashes.T testMethod=test_core_dump_packaged>
360s 
360s     def test_core_dump_packaged(self):
360s         """Packaged executables create core dumps on proper ulimits."""
360s         # for SEGV and ABRT we expect reports and core files
360s         for sig in (signal.SIGSEGV, signal.SIGABRT):
360s             for kb, exp_file in core_ulimit_table:
360s                 resource.setrlimit(resource.RLIMIT_CORE, (kb, -1))
360s                 self.do_crash(
360s                     expect_corefile=exp_file,
360s                     expect_corefile_owner=os.geteuid(),
360s                     sig=sig,
360s                 )
360s >               self.check_report_coredump(self.test_report)
360s 
360s /tmp/autopkgtest.pa788q/autopkgtest_tmp/tests/integration/test_signal_crashes.py:413: 
360s _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
360s /tmp/autopkgtest.pa788q/autopkgtest_tmp/tests/integration/test_signal_crashes.py:1114: in check_report_coredump
360s     self.assertIn("\n#2", r.get("Stacktrace"))
360s E   AssertionError: '\n#2' not found in '#0  0x0000fffff7fd6428 in ?? ()\nNo symbol table info available.\n#1  0x0000fffff7ffd000 in ?? ()\nNo symbol table info available.\nBacktrace stopped: previous frame inner to this frame (corrupt stack?)'
360s ----------------------------- Captured stderr call -----------------------------
360s warning: 78	../sysdeps/unix/sysv/linux/clock_nanosleep.c: No such file or directory
360s warning: target file /proc/4152/cmdline contained unexpected null characters
360s warning: 78	../sysdeps/unix/sysv/linux/clock_nanosleep.c: No such file or directory
360s warning: target file /proc/4228/cmdline contained unexpected null characters
360s warning: 78	../sysdeps/unix/sysv/linux/clock_nanosleep.c: No such file or directory
360s warning: target file /proc/4308/cmdline contained unexpected null characters
360s warning: 1972	./elf/dl-load.c: No such file or directory
360s warning: target file /proc/4388/cmdline contained unexpected null characters
360s warning: 1972	./elf/dl-load.c: No such file or directory
360s warning: target file /proc/4463/cmdline contained unexpected null characters
360s warning: 1150	./elf/rtld.c: No such file or directory
360s warning: target file /proc/4539/cmdline contained unexpected null characters
360s =============================== warnings summary ===============================

** Affects: apport (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2054450

Title:
  apport arm64 autopkgtest flaky

Status in apport package in Ubuntu:
  New

Bug description:
  The following failure can sometimes be observed on arm64 in noble, for
  example, with gnupg2 and sensible-utils:

  360s =================================== FAILURES ===================================
  360s __________________________ T.test_core_dump_packaged ___________________________
  360s 
  360s self = <tests.integration.test_signal_crashes.T testMethod=test_core_dump_packaged>
  360s 
  360s     def test_core_dump_packaged(self):
  360s         """Packaged executables create core dumps on proper ulimits."""
  360s         # for SEGV and ABRT we expect reports and core files
  360s         for sig in (signal.SIGSEGV, signal.SIGABRT):
  360s             for kb, exp_file in core_ulimit_table:
  360s                 resource.setrlimit(resource.RLIMIT_CORE, (kb, -1))
  360s                 self.do_crash(
  360s                     expect_corefile=exp_file,
  360s                     expect_corefile_owner=os.geteuid(),
  360s                     sig=sig,
  360s                 )
  360s >               self.check_report_coredump(self.test_report)
  360s 
  360s /tmp/autopkgtest.pa788q/autopkgtest_tmp/tests/integration/test_signal_crashes.py:413: 
  360s _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
  360s /tmp/autopkgtest.pa788q/autopkgtest_tmp/tests/integration/test_signal_crashes.py:1114: in check_report_coredump
  360s     self.assertIn("\n#2", r.get("Stacktrace"))
  360s E   AssertionError: '\n#2' not found in '#0  0x0000fffff7fd6428 in ?? ()\nNo symbol table info available.\n#1  0x0000fffff7ffd000 in ?? ()\nNo symbol table info available.\nBacktrace stopped: previous frame inner to this frame (corrupt stack?)'
  360s ----------------------------- Captured stderr call -----------------------------
  360s warning: 78	../sysdeps/unix/sysv/linux/clock_nanosleep.c: No such file or directory
  360s warning: target file /proc/4152/cmdline contained unexpected null characters
  360s warning: 78	../sysdeps/unix/sysv/linux/clock_nanosleep.c: No such file or directory
  360s warning: target file /proc/4228/cmdline contained unexpected null characters
  360s warning: 78	../sysdeps/unix/sysv/linux/clock_nanosleep.c: No such file or directory
  360s warning: target file /proc/4308/cmdline contained unexpected null characters
  360s warning: 1972	./elf/dl-load.c: No such file or directory
  360s warning: target file /proc/4388/cmdline contained unexpected null characters
  360s warning: 1972	./elf/dl-load.c: No such file or directory
  360s warning: target file /proc/4463/cmdline contained unexpected null characters
  360s warning: 1150	./elf/rtld.c: No such file or directory
  360s warning: target file /proc/4539/cmdline contained unexpected null characters
  360s =============================== warnings summary ===============================

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