Landing: 8faef9e741d5

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Project / Subsystem

gcc / cobol

Date

2026-09-17

Author

Xavier Del Campo Romero

Commit

8faef9e741d5e11e4146067a4bbbe1fdfb100178

Source

github

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Breaking

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All attributes

project: gcc
subsystem: cobol
patch_id: —
commit_hash: 8faef9e741d5e11e4146067a4bbbe1fdfb100178
source_type: github
headline: Cobol: Prevent null-termination of original strings in CBL_CREATE_FILE
tldr: Fixes potential UB in CBL_CREATE_FILE by not modifying original strings.
author: Xavier Del Campo Romero
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • cobol
• libgcobol
• bugfix
• stability
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/8faef9e741d5e11e4146067a4bbbe1fdfb100178
date: 2026-09-17T00:00:00.000Z

The CBL_CREATE_FILE.cbl implementation has been corrected to avoid null-terminating the original string passed by the caller. This prevents undefined behavior, particularly when the supplied string is a literal or otherwise immutable, ensuring greater stability.