| Message ID | 20240814233534.1469084-1-siddhesh@sourceware.org |
|---|---|
| Headers | show
Return-Path: <libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.a=rsa-sha256 header.s=default header.b=Q70Xh3E5; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=sourceware.org (client-ip=2620:52:3:1:0:246e:9693:128c; helo=server2.sourceware.org; envelope-from=libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org; receiver=patchwork.ozlabs.org) Received: from server2.sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Wkl552mB4z1yNr for <incoming@patchwork.ozlabs.org>; Thu, 15 Aug 2024 09:36:25 +1000 (AEST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 341EA385843B for <incoming@patchwork.ozlabs.org>; Wed, 14 Aug 2024 23:36:23 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 341EA385843B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1723678583; bh=uSj0ntd9AfcICrjkTPYiXJXkbg14zBlwQDnyh9AXbBg=; h=From:To:Cc:Subject:Date:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From; b=Q70Xh3E5NqBivwsXIxEbVfREBliIw5qbI3GZgLAXpaUtcQxuhE1nxqjDsXE0z2EZl C5dxdSzlnyD9jl3olXniTKNKLPpZxLOpf1YkCvJ37CxBu7y2q5fv8jtvwV62kd4POj ospAg4tKrKXsxHvqesQNeZmthnUNzE7dusXPpxMs= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from panther.cherry.relay.mailchannels.net (panther.cherry.relay.mailchannels.net [23.83.223.141]) by sourceware.org (Postfix) with ESMTPS id B15C13858D34 for <libc-alpha@sourceware.org>; Wed, 14 Aug 2024 23:35:54 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org B15C13858D34 Authentication-Results: sourceware.org; dmarc=fail (p=none dis=none) header.from=sourceware.org Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=sourceware.org ARC-Filter: OpenARC Filter v1.0.0 sourceware.org B15C13858D34 Authentication-Results: server2.sourceware.org; arc=pass smtp.remote-ip=23.83.223.141 ARC-Seal: i=2; a=rsa-sha256; d=sourceware.org; s=key; t=1723678556; cv=pass; b=cOtlzGLbZbVvBK9DMXGmW5rkicUz/MU5pbczhjYjmiYJMSgIn6O3f5L/baJt7P9SGJcMznESiofWbrDoMGIsLrGc5Mg0uGzPvaIF52ySAcbd2z1VLXWo/dGQpmgkBP9KPivNYQvjr4mBd9bX29PlN/SnlCvzdZlLVFpiH9UbiDY= ARC-Message-Signature: i=2; a=rsa-sha256; d=sourceware.org; s=key; t=1723678556; c=relaxed/simple; bh=R7XQTWaSAh2QQ9BtFrSfpdbe5WDExuoRxOO+jaFGLGI=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=asmwGT7FkctcoWli3cBLCRVayXLNoO8Bh13xCLcKogtxp++GK6RwiZpHNx5xIaZQNpbFOFsUAUbiFmbEPFUFy1zjFRYw0EHrLf9YbBBxkNj3yxHseCkrDOdoy/v+HKSmpnlqa0YN184Tax++8fWD1K4XuvtyGnywnmtAUJkOzgw= ARC-Authentication-Results: i=2; server2.sourceware.org X-Sender-Id: dreamhost|x-authsender|siddhesh@gotplt.org Received: from relay.mailchannels.net (localhost [127.0.0.1]) by relay.mailchannels.net (Postfix) with ESMTP id B7C8E145352; Wed, 14 Aug 2024 23:35:53 +0000 (UTC) Received: from pdx1-sub0-mail-a310.dreamhost.com (unknown [127.0.0.6]) (Authenticated sender: dreamhost) by relay.mailchannels.net (Postfix) with ESMTPA id 6E28C145FA7; Wed, 14 Aug 2024 23:35:53 +0000 (UTC) ARC-Seal: i=1; s=arc-2022; d=mailchannels.net; t=1723678553; a=rsa-sha256; cv=none; b=YCmFhtgSk2Q3PhHk7G9Bs6nzEpT0Nis3sFFSCQpPUP9CHNGw3Ni58pRSUJStzCBOE2Oxqm xgCJ+q85a0aIK2VMgfYWwcBUpfXuBGJ4v0zTn7v6Zioj+uVC4F+wk5V18M+1mm9Sp/rw2p HYjSB30rryAiu3AQITfT6Yi8cgjq7o2YamxpIG+d+n9VJuQM43bkYRoiKhLIO1xqRqNdUK 6RtUNuIHTUlHto5feoA9VfNmX9V1gfGxuy/WxL4rVI94bNwjzto7ImxzSIcMtSiKXFdyiL mcW1hFzwcG5Y6U6SHRQdy6tTvnpsVjrSbBaLvcDN6VzrBWxrOj4ZW/oAqtMtYQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=mailchannels.net; s=arc-2022; t=1723678553; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=uSj0ntd9AfcICrjkTPYiXJXkbg14zBlwQDnyh9AXbBg=; b=0PhFf7/rfvUQed8uaL59wuDpbBygRGOOdfQeqj4uQZEzjlgMGq9/55uFLUQka61mRtEQkx i7jEtOS4d7o5jNThbcSMRrdZKZCy4JfQihbyMKZH1QgDE9CZ1HfzvO35/iTZz6SHjjAdtO GDgrINnxtakBrrJoveF+DxzfL8SEmivVtXXCyo1/XA1ivCCHV9qGpCzeK6roFYl8m6ROdb AxvmbV8f6H8Da05vtoYhfrcnIs4y2IIukc0ALr+cj6MT/qggNMJIOQ55tgnPnlnpjEWYBv brSMERNg/vRfqt35MfIWxY16AvqA3VjR6+uw7G6h3Fd67la/ECaBI3UGxo1Jqw== ARC-Authentication-Results: i=1; rspamd-587694846-h6qsc; auth=pass smtp.auth=dreamhost smtp.mailfrom=siddhesh@sourceware.org X-Sender-Id: dreamhost|x-authsender|siddhesh@gotplt.org X-MC-Relay: Neutral X-MailChannels-SenderId: dreamhost|x-authsender|siddhesh@gotplt.org X-MailChannels-Auth-Id: dreamhost X-Cellar-Shoe: 7253bfe24682aa6f_1723678553664_118147787 X-MC-Loop-Signature: 1723678553664:3003955502 X-MC-Ingress-Time: 1723678553664 Received: from pdx1-sub0-mail-a310.dreamhost.com (pop.dreamhost.com [64.90.62.162]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384) by 100.114.99.137 (trex/7.0.2); Wed, 14 Aug 2024 23:35:53 +0000 Received: from fedora.redhat.com (unknown [184.146.171.51]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: siddhesh@gotplt.org) by pdx1-sub0-mail-a310.dreamhost.com (Postfix) with ESMTPSA id 4Wkl4T0NxPzS9; Wed, 14 Aug 2024 16:35:52 -0700 (PDT) From: Siddhesh Poyarekar <siddhesh@sourceware.org> To: libc-alpha@sourceware.org Cc: fweimer@redhat.com Subject: [PATCH 0/3] ungetc fixes for BZ #27821 Date: Wed, 14 Aug 2024 19:35:31 -0400 Message-ID: <20240814233534.1469084-1-siddhesh@sourceware.org> X-Mailer: git-send-email 2.45.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1164.2 required=5.0 tests=BAYES_00, KAM_DMARC_NONE, KAM_DMARC_STATUS, KAM_NUMSUBJECT, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_SOFTFAIL, TXREP, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Libc-alpha mailing list <libc-alpha.sourceware.org> List-Unsubscribe: <https://sourceware.org/mailman/options/libc-alpha>, <mailto:libc-alpha-request@sourceware.org?subject=unsubscribe> List-Archive: <https://sourceware.org/pipermail/libc-alpha/> List-Post: <mailto:libc-alpha@sourceware.org> List-Help: <mailto:libc-alpha-request@sourceware.org?subject=help> List-Subscribe: <https://sourceware.org/mailman/listinfo/libc-alpha>, <mailto:libc-alpha-request@sourceware.org?subject=subscribe> Errors-To: libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org |
| Series | ungetc fixes for BZ #27821 | expand |
Fix an uninitialized read and a leak that can be seen with ungetc operating on an unused stream. Siddhesh Poyarekar (3): Make tst-ungetc use libsupport ungetc: Fix uninitialized read when putting into unused streams [BZ #27821] ungetc: Fix backup buffer leak on program exit [BZ #27821] libio/genops.c | 8 ++- libio/libioP.h | 4 +- manual/stdio.texi | 8 +-- stdio-common/Makefile | 7 ++ stdio-common/tst-ungetc-leak.c | 32 +++++++++ stdio-common/tst-ungetc.c | 114 +++++++++++++++++---------------- 6 files changed, 110 insertions(+), 63 deletions(-) create mode 100644 stdio-common/tst-ungetc-leak.c