From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from conssluserg-05.nifty.com (conssluserg-05.nifty.com [210.131.2.90]) by sourceware.org (Postfix) with ESMTPS id C56793858D1E for ; Fri, 20 Jan 2023 13:30:59 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org C56793858D1E Authentication-Results: sourceware.org; dmarc=fail (p=none dis=none) header.from=nifty.ne.jp Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=nifty.ne.jp Received: from HP-Z230 (aj135041.dynamic.ppp.asahi-net.or.jp [220.150.135.41]) (authenticated) by conssluserg-05.nifty.com with ESMTP id 30KDUaQF008980 for ; Fri, 20 Jan 2023 22:30:37 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conssluserg-05.nifty.com 30KDUaQF008980 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.ne.jp; s=dec2015msa; t=1674221437; bh=XLetrgJARoY7dHbigfsCm65tt6AxNXqbXJlFhdYXRdw=; h=Date:From:To:Subject:In-Reply-To:References:From; b=PuQ9vIQwTbqjQaSOSPqIuCCinNP88MKk9r3+hbkbxzZekI/oYAB27NdVnsk2IfGWW X0ydRpnXmba5yxGvBm6YjiZ/AZi+HqUdBcFh7H1nh3lvnaNpvb4RpPUquECCtHeXFg 8cDGw6o2aXMobxYegY/XLA/cwdrIOSAwQgQR+QKzxKZOG/I3zOLbB/RhVq0AwN4knk QrZ4KITUziBMnFfpHieogxdhWTv92u7nRWfXxhTub40r4BUoXEZdc3zUl5BTvHRNra UQKHWTtH3wLYA4JHLHCmxQQfCfLasTrN+Iaf6PbqKTE7l8+nCrA7/WdrlsxH6rTEjd 59No72NPOl1Ow== X-Nifty-SrcIP: [220.150.135.41] Date: Fri, 20 Jan 2023 22:30:36 +0900 From: Takashi Yano To: cygwin@cygwin.com Subject: Re: Error: child_copy: cygheap read copy failed. Message-Id: <20230120223036.a47addc981aed0b58339e3d6@nifty.ne.jp> In-Reply-To: References: <20230120125633.05136d9ae091b097fc9f9cf5@nifty.ne.jp> <20230120211820.7e80fa2bf7332b351f3ba2a2@nifty.ne.jp> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.30; i686-pc-mingw32) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Fri, 20 Jan 2023 13:26:20 +0100 Corinna Vinschen wrote: > On Jan 20 21:18, Takashi Yano via Cygwin wrote: > > On Fri, 20 Jan 2023 12:30:29 +0100 > > Corinna Vinschen wrote: > > > Also, your ffplay executable isn't high-entropy-VA enabled, by any > > > chance? > > > > I'm sorry, but the high-entropy-va is ebabled. > > > > $ peflags -v /usr/bin/ff{mpeg,probe,play} > > /usr/bin/ffmpeg: coff(0x022e[+executable_image,+line_nums_stripped,+local_syms_stripped,+bigaddr,+sepdbg]) pe(0x8160[+high-entropy-va,+dynamicbase,+nxcompat,+tsaware]) > > /usr/bin/ffprobe: coff(0x022e[+executable_image,+line_nums_stripped,+local_syms_stripped,+bigaddr,+sepdbg]) pe(0x8160[+high-entropy-va,+dynamicbase,+nxcompat,+tsaware]) > > /usr/bin/ffplay: coff(0x022e[+executable_image,+line_nums_stripped,+local_syms_stripped,+bigaddr,+sepdbg]) pe(0x8160[+high-entropy-va,+dynamicbase,+nxcompat,+tsaware]) > > Btw., how did this happen? The native Cygwin compiler/linker combo > usually doesn't set the dynamicbase and high-entropy-VA flags by > default... Perhaps this is because configure of ffmpeg explicitly has the following lines: check_ldflags -Wl,--nxcompat,--dynamicbase check_ldflags -Wl,--high-entropy-va # binutils 2.25 Removing these lines makes ff{mpeg,probe,play} disable both high-entropy-va and dynamicbase flags. -- Takashi Yano