[PATCH] ld: Check bfd_gc_sections return

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Project / Subsystem

binutils / ld

Date

2026-08-05

Proposer

H.J. Lu

Source type

public_inbox

Consensus

Proposed

Sentiment

5/10

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All attributes

project: binutils
subsystem: ld
patch_id: —
discussion_id: CAMe9rOo4GC_Lkw6PYA78CnR5gWsy6T1nYGW+hvdq9DXMeA2YLg@mail.gmail.com
source_type: public_inbox
title: [PATCH] ld: Check bfd_gc_sections return
headline: ld: Check bfd_gc_sections return
tldr: Ensures the linker (`ld`) properly handles errors returned by `bfd_gc_sections`, specifically when `bfd_error_bad_value` is set.
proposer: H.J. Lu
consensus: Proposed
outcome: proposed
sentiment_score: 5
technical_tradeoffs: []
series_id: —
series_role: standalone
series_parts: []
tags: • linker
• error-handling
• BFD
url: https://inbox.sourceware.org/binutils/CAMe9rOo4GC_Lkw6PYA78CnR5gWsy6T1nYGW+hvdq9DXMeA2YLg@mail.gmail.com
bugzilla_url: —
date: 2026-08-05T00:00:00.000Z

[PATCH] ld: Check bfd_gc_sections return

This patch for the GNU linker (ld) improves error handling by checking the return value of bfd_gc_sections. This function can return false and set bfd_error_bad_value on invalid input, as seen in a reloc symbol index error. The change ensures that ld reports a fatal error in such cases, preventing potentially misleading or incomplete diagnostics. This addresses a specific bug report (PR ld/34448).