https://bugs.kde.org/show_bug.cgi?id=478837
Bug ID: 478837
Summary: valgrind fails to read debug info for rust binaries
Classification: Developer tools
Product: valgrind
Version: 3.22.0
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: jsew...@acm.org
Reporter: den...@kobert.dev
Target Milestone: ---
SUMMARY
Trying to load the debug info for a rust program fails:
--1647944-- WARNING: Serious error when reading debug info
--1647944-- When reading debug info from /home/dennis/build/valgrind/test-rust:
--1647944-- Can't make sense of .rodata section mapping
Bisect output:
5472a7a54000692f9f58e9b551d36b8c68c44873 is the first bad commit
commit 5472a7a54000692f9f58e9b551d36b8c68c44873
Author: Jogn Reiser <jrei...@bitwagon.com>
Date: Sat Oct 7 16:02:24 2023 +0200
Bug 390871 - ELF debug info reader confused with multiple .rodata* sections
NEWS | 1 +
coregrind/m_debuginfo/readelf.c | 53 +++++++++++++++++++++++------------------
STEPS TO REPRODUCE
1. Create an empty rust project using `cargo new foo`
2. Build binary with `cargo build`
3. Execute valgrind using `valgrind target/debug/foo`
OBSERVED RESULT
==1647944== Memcheck, a memory error detector
==1647944== Copyright (C) 2002-2022, and GNU GPL'd, by Julian Seward et al.
==1647944== Using Valgrind-3.22.0.GIT and LibVEX; rerun with -h for copyright
info
==1647944== Command: ./test-rust
==1647944==
--1647944-- WARNING: Serious error when reading debug info
--1647944-- When reading debug info from /home/dennis/build/valgrind/test-rust:
--1647944-- Can't make sense of .rodata section mapping
Hello, world!
==1647944==
==1647944== HEAP SUMMARY:
==1647944== in use at exit: 0 bytes in 0 blocks
==1647944== total heap usage: 14 allocs, 14 frees, 3,273 bytes allocated
==1647944==
==1647944== All heap blocks were freed -- no leaks are possible
==1647944==
==1647944== For lists of detected and suppressed errors, rerun with: -s
==1647944== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
EXPECTED RESULT
The debug symbols should be properly parsed
SOFTWARE/OS VERSIONS
Linux xarchie 6.6.3-arch1-1 #1 SMP PREEMPT_DYNAMIC Wed, 29 Nov 2023 00:37:40
+0000 x86_64 GNU/Linux
ADDITIONAL INFORMATION
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