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

[Yasumasa Suenaga]

On Sun, 2 Nov 2025 06:27:50 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.

PING: Can I get Reviewers?

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PR Comment: https://git.openjdk.org/jdk/pull/28102#issuecomment-3514453905