From patchwork Fri Sep 6 15:47:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin McAllister X-Patchwork-Id: 48741 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 634DBE6FE2D for ; Fri, 6 Sep 2024 15:48:06 +0000 (UTC) Received: from mail-il1-f170.google.com (mail-il1-f170.google.com [209.85.166.170]) by mx.groups.io with SMTP id smtpd.web11.2233.1725637679739603629 for ; Fri, 06 Sep 2024 08:47:59 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@gmail.com header.s=20230601 header.b=HTOCkG1s; spf=pass (domain: gmail.com, ip: 209.85.166.170, mailfrom: colinmca242@gmail.com) Received: by mail-il1-f170.google.com with SMTP id e9e14a558f8ab-37636c3872bso8214895ab.3 for ; Fri, 06 Sep 2024 08:47:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1725637678; x=1726242478; darn=lists.openembedded.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=MILHDirMWDMKds44wEX92rzhYKvsZICnSLKn/DxZHbU=; b=HTOCkG1sMkjPCJA4Iv1OLNJewc8eGOHfKzH0OLLxzTrTpCHJbLQ/EQPsq/sGq0tlxi 8/sO7QHyeKNQMGlGbsbMBGeKPAG9QIIaLWs7zpvd8/eO2822tKNLMqvL/16qmnMNWRye hSfTnSIVzUERseaKW9X2GKAGY8XoF9qB8K6oxf7A2XZWu9QdL8qRL8+sNC+Gm5Zr7HvF zWpMzMAw9JFbuJ1grKUmMWE0jDm+6JFIuow95P0G9H12s2n75e2Osx3D8verXJrMZJZs yl9IIcEabme22dXY2d+FxLSjqhbOuuw9tFADej2fHDZpbkHnpdLYdspn8mspce09xPyu NZkg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725637678; x=1726242478; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=MILHDirMWDMKds44wEX92rzhYKvsZICnSLKn/DxZHbU=; b=VeLFMSSA7wNOBkjWW/sdhGb5Krz3mq9EvilQ/k5zJv8BT7oCLCkK1z8s3dxEtElds9 SNyEa58zwO9tovc80PRPU3iMbA/i37+LXsBjsTGhP0Kw1rw8cDSeA+qOPCfAvGJEpSFH SQjbtHt9RKHTCw66UXzItFhOf40VczoYMyf8h9OZIiB04M9BWwJrnK+BL8NLO1IH41DR nm5CeYBSdLE3OZdJhGmgDyrF/8x+Wmnn29CNM7gRqb0fqcm8YBPWc4P3c2DDJtZoru48 u1rAdPYsX5+tdlgX6BDNYnW6aQYlCNGMRu02FVJ1V1QnKUliy+ItKRrdDlzYejmr+Nyp l5cQ== X-Gm-Message-State: AOJu0YwD8PoCUbUXC68WlXEDPF3ezsdpkOCjMYbpnj81kV5he+horjUe q9S4ssppsobNaN2GyIVAvrmZxfHqghGqH/YZ5AG0zl/Os+wwx7XdZKNgrA== X-Google-Smtp-Source: AGHT+IGDzL9PECng5iBsohlfHYfAHWWqhgWH9xien4LW7yXUPd4QpklmZe7zNSJhUeBaOKSTk/JsiQ== X-Received: by 2002:a05:6e02:1aa4:b0:397:6dfc:993a with SMTP id e9e14a558f8ab-3a04f0fdd80mr36667155ab.21.1725637678387; Fri, 06 Sep 2024 08:47:58 -0700 (PDT) Received: from rehoboam.tailfd8bbe.ts.net ([136.37.200.217]) by smtp.gmail.com with ESMTPSA id e9e14a558f8ab-39f6ebe5ba6sm18385535ab.13.2024.09.06.08.47.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Sep 2024 08:47:57 -0700 (PDT) From: Colin McAllister To: openembedded-core@lists.openembedded.org Cc: Colin McAllister Subject: [PATCH 1/1] busybox: Fix cut with "-s" flag Date: Fri, 6 Sep 2024 10:47:39 -0500 Message-ID: <20240906154754.15505-1-colinmca242@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Fri, 06 Sep 2024 15:48:06 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/204277 This fixes and issue that allows blank lines to be incorrectly output when the "-s" flag is included. This issue propogates into the populate-volatile.sh script in initscripts. If a volatiles drop file contains blank lines, a blank line will be included in combined users, which will incorrectly result in a difference in the number of combined users versus defined users. If this happens, the volatiles file will not be executed. Signed-off-by: Colin McAllister --- ...1-cut-Fix-s-flag-to-omit-blank-lines.patch | 66 +++++++++++++++++++ meta/recipes-core/busybox/busybox_1.36.1.bb | 1 + 2 files changed, 67 insertions(+) create mode 100644 meta/recipes-core/busybox/busybox/0001-cut-Fix-s-flag-to-omit-blank-lines.patch diff --git a/meta/recipes-core/busybox/busybox/0001-cut-Fix-s-flag-to-omit-blank-lines.patch b/meta/recipes-core/busybox/busybox/0001-cut-Fix-s-flag-to-omit-blank-lines.patch new file mode 100644 index 0000000000..a0a8607b23 --- /dev/null +++ b/meta/recipes-core/busybox/busybox/0001-cut-Fix-s-flag-to-omit-blank-lines.patch @@ -0,0 +1,66 @@ +From 199606e960942c29fd8085be812edd3d3697825c Mon Sep 17 00:00:00 2001 +From: Colin McAllister +Date: Wed, 17 Jul 2024 07:58:52 -0500 +Subject: [PATCH 1/1] cut: Fix "-s" flag to omit blank lines + +Using cut with the delimiter flag ("-d") with the "-s" flag to only +output lines containing the delimiter will print blank lines. This is +deviant behavior from cut provided by GNU Coreutils. Blank lines should +be omitted if "-s" is used with "-d". + +This change introduces a somewhat naiive, yet efficient solution, where +line length is checked before looping though bytes. If line length is +zero and the "-s" flag is used, the code will jump to parsing the next +line to avoid printing a newline character. + +In addition, a test to cut.tests has been added to ensure that this +regression is fixed and will not happen again in the future. + +Upstream-Status: Submitted [http://lists.busybox.net/pipermail/busybox/2024-July/090834.html] + +Signed-off-by: Colin McAllister +--- + coreutils/cut.c | 6 ++++++ + testsuite/cut.tests | 9 +++++++++ + 2 files changed, 15 insertions(+) + +diff --git a/coreutils/cut.c b/coreutils/cut.c +index 55bdd9386..b7f986f26 100644 +--- a/coreutils/cut.c ++++ b/coreutils/cut.c +@@ -152,6 +152,12 @@ static void cut_file(FILE *file, const char *delim, const char *odelim, + unsigned uu = 0, start = 0, end = 0, out = 0; + int dcount = 0; + ++ /* Blank line? */ ++ if (!linelen) { ++ if (option_mask32 & CUT_OPT_SUPPRESS_FLGS) ++ goto next_line; ++ } ++ + /* Loop through bytes, finding next delimiter */ + for (;;) { + /* End of current range? */ +diff --git a/testsuite/cut.tests b/testsuite/cut.tests +index 2458c019c..0b401bc00 100755 +--- a/testsuite/cut.tests ++++ b/testsuite/cut.tests +@@ -65,6 +65,15 @@ testing "cut with -d -f( ) -s" "cut -d' ' -f3 -s input && echo yes" "yes\n" "$in + testing "cut with -d -f(a) -s" "cut -da -f3 -s input" "n\nsium:Jim\n\ncion:Ed\n" "$input" "" + testing "cut with -d -f(a) -s -n" "cut -da -f3 -s -n input" "n\nsium:Jim\n\ncion:Ed\n" "$input" "" + ++input="\ ++ ++foo bar baz ++ ++bing bong boop ++ ++" ++testing "cut with -d -s omits blank lines" "cut -d' ' -f2 -s input" "bar\nbong\n" "$input" "" ++ + # substitute for awk + optional FEATURE_CUT_REGEX + testing "cut -DF" "cut -DF 2,7,5" \ +-- +2.43.0 + diff --git a/meta/recipes-core/busybox/busybox_1.36.1.bb b/meta/recipes-core/busybox/busybox_1.36.1.bb index 980a96b88a..f7c3eff29e 100644 --- a/meta/recipes-core/busybox/busybox_1.36.1.bb +++ b/meta/recipes-core/busybox/busybox_1.36.1.bb @@ -56,6 +56,7 @@ SRC_URI = "https://busybox.net/downloads/busybox-${PV}.tar.bz2;name=tarball \ file://0001-awk-fix-precedence-of-relative-to.patch \ file://0002-awk-fix-ternary-operator-and-precedence-of.patch \ file://0001-awk.c-fix-CVE-2023-42366-bug-15874.patch \ + file://0001-cut-Fix-s-flag-to-omit-blank-lines.patch \ " SRC_URI:append:libc-musl = " file://musl.cfg " # TODO http://lists.busybox.net/pipermail/busybox/2023-January/090078.html