From nobody Fri Oct 24 00:02:53 2025 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4ct34s4wzgz6Dw2b; Fri, 24 Oct 2025 00:02:53 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4ct34s1vQgz3Z8B; Fri, 24 Oct 2025 00:02:53 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1761264173; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=ZLos2o0K7vtw2yD0rLCsUftQuUsq12/QTB16R87wBRU=; b=vZ0yCqbPywYwMyUDJV3Q1ow3Hw+owiAmDJXMtcXhh7Fe5UNLJ/R1yLCCTZwieb61q2buIE FmxUqEFWjAuAHDXtWLjpaYx2FNElNkwguLv6zPeujphnQx50bddEyshV+sdCDl4IJd51x1 AdM6s0ITPt6W7SZg1hZwSZ9j7oDFCBDqkED1mJDCIuMAmvoT4C9yvgq2wwo+0hjCurEemF P/TzeAOHOVKOi33QATYffSpguc6rN5D3eLKI0s10a5T6eH9Bi1PQtS/ytHQ2QmDIKwobYI bjj18WG7k0Sx2JoRYn+lc9kP4QWmzUS+ra4VE9Jj5uxD3Yu/WOs4SbIB9v/pLA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1761264173; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=ZLos2o0K7vtw2yD0rLCsUftQuUsq12/QTB16R87wBRU=; b=wOsuFzxlaJTm1PQWkuyzTBRne0VoMkfTdRNRnzFrz3sC2V6MwPrwerfZ8+4GhFCti5C+xE BuR8OsJ3PKq7vey1vNYplQ8x44ZLIMIKGFsxO+e1AXeU5B/i8Lzlv7YKb5QazGlzNXQSov t1wy5OR1yaVtPiP1MhpeJJ6QCs5GlVdcyIM1TyjF5YnL4rLvi3dHsl8pmtMMr6rdwbNc03 r8Nbv8G0hHjAQQ4dkz5P/cMPJamK/MY5RZ46PToqbri07aK7Vn4fwdKaE4EjJ7rgHDdDP5 XbfpiM2Ty97piuQwp9rE6xJ3FaZJIcySazoAx0NEvGyiPbv9Di+woPTJ0TDz2A== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1761264173; a=rsa-sha256; cv=none; b=vUx6UYfphIYcIF9AGmQv/Bi0z1kUs2CtIrbN3xzaMUGwfe95iuRjAY7sGUGeK1zrBxxqOf 5ap8cBJcSiD4gfuLBOjEF9rNuaUeXnydG+CZ/go2YCvWEBZZXfsedc6jM3Y4HCx7JFFhCS ls8JvVMzSmkbyKAeqby57a8BpBJN6CwTSKfXxbKAmqfCas6eajpqT2SnR0Nqe1ZTEhs2/0 NZ3mGi+Q5eRdpHGq3SUbbrWnLkKXqh3uPBzlNXXnoYAPGmbcidcjGCX0rwZy0odLYoAMYR Cerb/2+5YDW772/UF4SLOKME35/VBxlrcskp1yX0Zt0DtVEQJ/+UEA5N2tNxMw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4ct34s1KPFzdGl; Fri, 24 Oct 2025 00:02:53 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.18.1/8.18.1) with ESMTP id 59O02rec083403; Fri, 24 Oct 2025 00:02:53 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 59O02rqd083399; Fri, 24 Oct 2025 00:02:53 GMT (envelope-from git) Date: Fri, 24 Oct 2025 00:02:53 GMT Message-Id: <202510240002.59O02rqd083399@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Bryan Drewery Subject: git: 35f375549c7f - main - cut: Avoid undefined behavior. List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: bdrewery X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 35f375549c7f4d479ba1d9fcd0a368b0219c4ae6 Auto-Submitted: auto-generated The branch main has been updated by bdrewery: URL: https://cgit.FreeBSD.org/src/commit/?id=35f375549c7f4d479ba1d9fcd0a368b0219c4ae6 commit 35f375549c7f4d479ba1d9fcd0a368b0219c4ae6 Author: Bryan Drewery AuthorDate: 2025-10-20 18:33:31 +0000 Commit: Bryan Drewery CommitDate: 2025-10-24 00:01:58 +0000 cut: Avoid undefined behavior. Summary: UBSAN complains about p[signed - unsigned] wrapping around. Reviewed by: kevans Differential Revision: https://reviews.freebsd.org/D53226 --- usr.bin/cut/cut.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/usr.bin/cut/cut.c b/usr.bin/cut/cut.c index 60ff5a31062a..e4e322b4e5c9 100644 --- a/usr.bin/cut/cut.c +++ b/usr.bin/cut/cut.c @@ -448,8 +448,8 @@ f_cut(FILE *fp, const char *fname) break; } if (*pos) - for (i = 0; i < (int)clen; i++) - putchar(p[i - clen]); + (void)fwrite(p - clen, 1, clen, + stdout); } if (ch == '\n') break;