From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-3.4 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 6697 invoked from network); 3 Sep 2020 14:56:49 -0000 Received: from mother.openwall.net (195.42.179.200) by inbox.vuxu.org with ESMTPUTF8; 3 Sep 2020 14:56:49 -0000 Received: (qmail 19731 invoked by uid 550); 3 Sep 2020 14:56:46 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Reply-To: musl@lists.openwall.com Received: (qmail 19713 invoked from network); 3 Sep 2020 14:56:46 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fastmail.com; h= mime-version:message-id:in-reply-to:references:date:from:to :subject:content-type; s=fm3; bh=8fAVQC3I/2Gh1TxhksF2n1sjcxukUuR mUsVbPBmE4/w=; b=n//arDJcQgrAX8mJxKYCaadYgn+Ch2+ocqyLZCkhTFQvUxf 2tVME4RCcRmaUDRa+RuqCnvrkFMluNrfe8ft8KyZJo2ceYUUDBQ3RvMTPTpW9P8N iRlwbBYTiTfDS6pZW2RMzmNRSC40W9+cS877tRAGE70a6gzb4UFI6zyFVfYr8bx7 0gJxfklqh21HnhN1v+GJcM6FaFnwz8xpF3j7XTNiRO83ThGYLyKa33LrUn9MmjN1 DgNxi/Jwjfk4nBPqxFJhl6cEHg5Fhv/mpUwSCpGOd88BWqZdCQ3aDmehlfRXRg4/ 1izcetIspTYkfjdG4D0/JmAoOTNXg4vrW7x/OhQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm3; bh=8fAVQC 3I/2Gh1TxhksF2n1sjcxukUuRmUsVbPBmE4/w=; b=XsWIdvzCM647Ma3TfB5Z4e F/wkNBxzD1zOEL48CLm42CKd8fGu98p0Sj7pjJxqri8RiPtKJ70fo5DHj2XLfpN+ qss9hTh680NcdJ33qMVCyt6pptpHjOYM+WpbrWe/cHTTbP1qAfSgpU61f1+9U9X/ Hid+6jViVbZkkfl4UQ0YqpRQtUE3Fetw8jNi7ddntq1TGuRIFA/+CdlezkF4Kx1W LwPi140yqCK7d4J5xFy5/dpWUv9Tvjqy5nLQ5QZt75jUdVE/Di05a8OHY2F5cKl+ i+8eLDvoMD+2c0QFkB4JHnr0Fdx9lH9CLU0DfgE1aJZ+Eon5TjmCAYHLqp5HV9HA == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduiedrudeguddgkeegucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefofgggkfgjfhffhffvufgtsehttd ertderredtnecuhfhrohhmpedfufhtvghfrghnucfqkdftvggrrhdfuceoshhorhgvrghr sehfrghsthhmrghilhdrtghomheqnecuggftrfgrthhtvghrnhepieejjeetheeggefftd dvtddvfeevfedukeetgffhleetledvudfhgefgheegiefgnecuvehluhhsthgvrhfuihii vgeptdenucfrrghrrghmpehmrghilhhfrhhomhepshhorhgvrghrsehfrghsthhmrghilh drtghomh X-ME-Proxy: X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.3.0-259-g88fbbfa-fm-20200903.003-g88fbbfa3 Mime-Version: 1.0 Message-Id: <4b00ac55-01ed-400c-89b8-5d7d13f37bc7@www.fastmail.com> In-Reply-To: <20200903112309.102601-8-sorear@fastmail.com> References: <20200903112309.102601-1-sorear@fastmail.com> <20200903112309.102601-8-sorear@fastmail.com> Date: Thu, 03 Sep 2020 10:56:13 -0400 From: "Stefan O'Rear" To: musl@lists.openwall.com Content-Type: text/plain Subject: Re: [musl] [PATCH 07/14] Emulate wait4 using waitid On Thu, Sep 3, 2020, at 7:23 AM, Stefan O'Rear wrote: > + case CLD_STOPPED: > + case CLD_TRAPPED: > + sw = ((info.si_status&0xff) << 8) + 0x7f; > + break; This is trying to be defensive but it is the cause of the strace issue in the cover letter since the ptrace interface generates si_status greater than 8 bits which must be visible in WSTOPSIG; the v2 will not mask here.