https://bugs.kde.org/show_bug.cgi?id=417281
Bug ID: 417281
Summary: s390x: /bin/true segfaults with "grail" enabled
Product: valgrind
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: memcheck
Assignee: jsew...@acm.org
Reporter: ar...@linux.ibm.com
Target Milestone: ---
When enabling the "grail" support for s390x (currently disabled), a simple
program like /bin/true runs into a segmentation fault. This problem occurs on
some systems (such as Fedora 31 on an IBM z14) and not on some others. The
segfault happens in the dynamic loader, like this:
==319960== Process terminating with default action of signal 11 (SIGSEGV):
dumping core
==319960== Access not within mapped region at address 0x0
==319960== at 0x4009E46: do_lookup_x (dl-lookup.c:350)
==319960== by 0x400AA0D: _dl_lookup_symbol_x (dl-lookup.c:809)
==319960== by 0x400C6E5: elf_machine_rela (dl-machine.h:307)
==319960== by 0x400C6E5: elf_dynamic_do_Rela (do-rel.h:137)
==319960== by 0x400C6E5: _dl_relocate_object (dl-reloc.c:254)
==319960== by 0x4004045: dl_main (rtld.c:2253)
==319960== by 0x4018147: _dl_sysdep_start (dl-sysdep.c:253)
==319960== by 0x4001FB5: _dl_start_final (rtld.c:445)
==319960== by 0x4001FB5: _dl_start (rtld.c:535)
==319960== by 0x40011B3: ??? (in /usr/lib64/ld-2.30.so)
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