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Sm=C3=B8rg?=rav From: Robert Clausecker Subject: git: 793877e7667c - stable/14 - libc/amd64: Disable baseline version of stpncpy() List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-branches@freebsd.org Sender: owner-dev-commits-src-branches@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: fuz X-Git-Repository: src X-Git-Refname: refs/heads/stable/14 X-Git-Reftype: branch X-Git-Commit: 793877e7667ce667cdf3539de68af78fb511c06f Auto-Submitted: auto-generated Date: Sun, 04 Jan 2026 13:27:31 +0000 Message-Id: <695a6ac3.3ab25.712cd7db@gitrepo.freebsd.org> The branch stable/14 has been updated by fuz: URL: https://cgit.FreeBSD.org/src/commit/?id=793877e7667ce667cdf3539de68af78fb511c06f commit 793877e7667ce667cdf3539de68af78fb511c06f Author: Dag-Erling Smørgrav AuthorDate: 2025-12-16 19:04:51 +0000 Commit: Robert Clausecker CommitDate: 2026-01-04 13:25:33 +0000 libc/amd64: Disable baseline version of stpncpy() This implementation appears to be broken on some CPUs. Disable it until the issue can be investigated and fixed. PR: 291720 Fixes: 66eb78377bf1 ("libc/amd64: fix overread conditions in stpncpy()") Fixes: 90253d49db09 ("lib/libc/amd64/string: add stpncpy scalar, baseline implementation") (cherry picked from commit ce9557d4ee174267504a63b2c8f6009be27368c9) --- lib/libc/amd64/string/stpncpy.S | 2 ++ 1 file changed, 2 insertions(+) diff --git a/lib/libc/amd64/string/stpncpy.S b/lib/libc/amd64/string/stpncpy.S index df22bb9f0c53..764ee1d4008c 100644 --- a/lib/libc/amd64/string/stpncpy.S +++ b/lib/libc/amd64/string/stpncpy.S @@ -36,7 +36,9 @@ .set stpncpy, __stpncpy ARCHFUNCS(__stpncpy) ARCHFUNC(__stpncpy, scalar) +#if 0 /* temporarily disabled cf. PR 291720 */ ARCHFUNC(__stpncpy, baseline) +#endif ENDARCHFUNCS(__stpncpy) ARCHENTRY(__stpncpy, scalar)