RFR: 8371093: Assert "section header string table should be loaded" failed on debug VM [v2]

[Paul Hübner]

On Wed, 12 Nov 2025 08:00:30 GMT, Yasumasa Suenaga <ysuenaga at openjdk.org> wrote:

>> When the crash happens in the function in vDSO on Linux, native call stacks in hs_err log wouldn't be generated as following. See [hs_err log on JBS](https://bugs.openjdk.org/secure/attachment/116796/hs_err_pid4018.log) for details. Reproducer is also attached on JBS ([Test.java](https://bugs.openjdk.org/secure/attachment/116797/Test.java))
>> 
>> 
>> Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
>> C [linux-vdso.so.1+0xe69]
>> [error occurred during error reporting (printing native stack (with source info)), id 0xe0000000, Internal Error (/home/yasuenag/github-forked/jdk/src/hotspot/share/utilities/elfFile.cpp:536)]
>> 
>> Retrying call stack printing without source information...
>> 
>> [error occurred during error reporting (retry printing native stack (no source info)), id 0xb, SIGSEGV (0xb) at pc=0x00007fba8075f791]
>> 
>> 
>> When I checked back trace on GDB, it failed at `assert`.
>> 
>> #12 0x00007fba7e76bd00 in report_vm_error (file=file at entry=0x7fba7fed7b40 "/home/yasuenag/github-forked/jdk/src/hotspot/share/utilities/elfFile.cpp",
>>     line=line at entry=536, error_msg=error_msg at entry=0x7fba80019575 "assert(false) failed",
>>     detail_fmt=detail_fmt at entry=0x7fba7fed7bf0 "section header string table should be loaded")
>>     at /home/yasuenag/github-forked/jdk/src/hotspot/share/utilities/debug.cpp:196
>> #13 0x00007fba7e886eb3 in ElfFile::read_section_header (this=0x7fba782a1650, name=0x7fba800367d4 ".gnu_debuglink", hdr=...)
>>     at /home/yasuenag/github-forked/jdk/src/hotspot/share/utilities/elfFile.cpp:536
>> #14 ElfFile::read_debug_info (this=this at entry=0x7fba782a1650, debug_info=debug_info at entry=0x7fba7dd05150)
>>     at /home/yasuenag/github-forked/jdk/src/hotspot/share/utilities/elfFile.cpp:407
>> 
>> 
>> 
>> (gdb) f 13
>> #13 0x00007fba7e886eb3 in ElfFile::read_section_header (this=0x7fba782a1650, name=0x7fba800367d4 ".gnu_debuglink", hdr=...)
>>     at /home/yasuenag/github-forked/jdk/src/hotspot/share/utilities/elfFile.cpp:536
>> 536 assert(false, "section header string table should be loaded");
>> 
>> 
>> vDSO is not a regular ELF, so it should be skipped here.
>
> Yasumasa Suenaga has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Undo unnecessary change
>  - Check the result of opening file

Thanks for looking into this!

-------------

Marked as reviewed by phubner (Author).

PR Review: https://git.openjdk.org/jdk/pull/28102#pullrequestreview-3452598612