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[209.132.180.67]) by mx.google.com with ESMTP id d8si6832654pfg.317.2017.11.15.03.16.36; Wed, 15 Nov 2017 03:16:50 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=temperror (no key for signature) header.i=@szeredi.hu header.s=google header.b=GXLb6h3w; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757542AbdKOKfH (ORCPT + 88 others); Wed, 15 Nov 2017 05:35:07 -0500 Received: from mail-wm0-f52.google.com ([74.125.82.52]:43131 "EHLO mail-wm0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757302AbdKOKfA (ORCPT ); Wed, 15 Nov 2017 05:35:00 -0500 Received: by mail-wm0-f52.google.com with SMTP id g141so1969767wmg.2 for ; Wed, 15 Nov 2017 02:35:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=szeredi.hu; s=google; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=RtKpcuoo9AZWBRJyS7t6mFFNsX0Vq/ctOL60+IF4kkE=; b=GXLb6h3wIU0Xt4rO9Y9GRzSDOzKHvp/mLRFRLZ2SEMAzrK7kL3LqEyFiVw5BQgeqTb RooomrrSThQruwLwyVkMgp1ewF9IWhzW/rDwJMY6d2IAChrOj/8GrEvpHjsz/Zm7XOcP NNXxhQcFz8NK6isHeuxy/bonEU90Y/mS118+U= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=RtKpcuoo9AZWBRJyS7t6mFFNsX0Vq/ctOL60+IF4kkE=; b=j9qKJwAXUe7iE4sgclyMpHe6/9atwMP7Kb0bZm2MdAiRdZYtNEycwy9h+22uamNtUi +fA+RLml006lZho7R63CB5VvC56Wdiy1nKVKi1X5xGG531hXpvtbc+NBUcev4/3HADlg 60AlbgTxFFmTeBmBrVFb13KhNiYoPD7FAD3pSs0NuG169yw4C5pohEqRqFOutLmAgerk lBmvCpdyAlsigfTLxufvrtR2lx7lc4zgQYUZ7s0xpCMkVKawc8i4/NwuYiWBYo0f8Ffl Kf3MxcSUu02LCgFfpvjZJJIlKfOx1qVcRWPjeILrvAT1hTDOeCWi5ISv8OBapSn297MA wdxA== X-Gm-Message-State: AJaThX5s1Jvxf6Ocn4S1rZcJk2FavKYnq7eaKmrRJteqax9m8C+DIRuF TsHpbKEI/CfW7WnnIIE1nDF8aMAyvcqK3DhixQNeMw== X-Received: by 10.28.127.22 with SMTP id a22mr9093779wmd.12.1510742099673; Wed, 15 Nov 2017 02:34:59 -0800 (PST) MIME-Version: 1.0 Received: by 10.223.161.208 with HTTP; Wed, 15 Nov 2017 02:34:58 -0800 (PST) X-Originating-IP: [194.176.227.33] In-Reply-To: <20171110011419.GP1627@brightrain.aerifal.cx> References: <20161219113800.GE27207@veci.piliscsaba.szeredi.hu> <20171108131005.GA15263@port70.net> <20171110011419.GP1627@brightrain.aerifal.cx> From: Miklos Szeredi Date: Wed, 15 Nov 2017 11:34:58 +0100 Message-ID: Subject: Re: [musl] Re: [(resend)] seq_file: reset iterator to first record for zero offset To: Rich Felker Cc: Szabolcs Nagy , Al Viro , Tomasz Majchrzak , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Linux API , musl@lists.openwall.com Content-Type: multipart/mixed; boundary="001a1141e49433022b055e030e66" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --001a1141e49433022b055e030e66 Content-Type: text/plain; charset="UTF-8" On Fri, Nov 10, 2017 at 2:14 AM, Rich Felker wrote: > On Wed, Nov 08, 2017 at 02:10:05PM +0100, Szabolcs Nagy wrote: >> >> this patch broke userspace abi: >> >> commit e522751d605d99a81508e58390a8f51ee96fb662 > > Thanks for reporting this! Thanks for the report and the reproducer. Tested fix attached. Thanks, Miklos --001a1141e49433022b055e030e66 Content-Type: text/x-patch; charset="US-ASCII"; name="seq_file-fix-incomplete-reset-on-read-from-zero-offset.patch" Content-Disposition: attachment; filename="seq_file-fix-incomplete-reset-on-read-from-zero-offset.patch" Content-Transfer-Encoding: base64 X-Attachment-Id: f_ja0wtgqe0 RnJvbTogTWlrbG9zIFN6ZXJlZGkgPG1zemVyZWRpQHJlZGhhdC5jb20+ClN1YmplY3Q6IHNlcV9m aWxlOiBmaXggaW5jb21wbGV0ZSByZXNldCBvbiByZWFkIGZyb20gemVybyBvZmZzZXQKCldoZW4g cmVzZXR0aW5nIGl0ZXJhdG9yIG9uIGEgemVybyBvZmZzZXQgd2UgbmVlZCB0byBkaXNjYXJkIGFu eSBkYXRhCmFscmVhZHkgaW4gdGhlIGJ1ZmZlciAoY291bnQpLCBhbmQgcHJpdmF0ZSBzdGF0ZSBv ZiB0aGUgaXRlcmF0b3IgKHZlcnNpb24pLgoKRm9yIGV4YW1wbGUgdGhpcyBidWcgcmVzdWx0cyBp biBmaXJzdCBsaW5lIGJlaW5nIHJlcGVhdGVkIGluIC9wcm9jL21vdW50cwppZiBkb2luZyBhIHpl cm8gc2l6ZSByZWFkIGJlZm9yZSBhIG5vbi16ZXJvIHNpemUgcmVhZC4KClJlcG9ydGVkLWJ5OiBS aWNoIEZlbGtlciA8ZGFsaWFzQGxpYmMub3JnPiAKU2lnbmVkLW9mZi1ieTogTWlrbG9zIFN6ZXJl ZGkgPG1zemVyZWRpQHJlZGhhdC5jb20+CkZpeGVzOiBlNTIyNzUxZDYwNWQgKCJzZXFfZmlsZTog cmVzZXQgaXRlcmF0b3IgdG8gZmlyc3QgcmVjb3JkIGZvciB6ZXJvIG9mZnNldCIpCkNjOiA8c3Rh YmxlQHZnZXIua2VybmVsLm9yZz4gIyB2NC4xMAotLS0KIGZzL3NlcV9maWxlLmMgfCAgICA1ICsr KystCiAxIGZpbGUgY2hhbmdlZCwgNCBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCgotLS0g YS9mcy9zZXFfZmlsZS5jCisrKyBiL2ZzL3NlcV9maWxlLmMKQEAgLTE4MSw4ICsxODEsMTEgQEAg c3NpemVfdCBzZXFfcmVhZChzdHJ1Y3QgZmlsZSAqZmlsZSwgY2hhcgogCSAqIGlmIHJlcXVlc3Qg aXMgdG8gcmVhZCBmcm9tIHplcm8gb2Zmc2V0LCByZXNldCBpdGVyYXRvciB0byBmaXJzdAogCSAq IHJlY29yZCBhcyBpdCBtaWdodCBoYXZlIGJlZW4gYWxyZWFkeSBhZHZhbmNlZCBieSBwcmV2aW91 cyByZXF1ZXN0cwogCSAqLwotCWlmICgqcHBvcyA9PSAwKQorCWlmICgqcHBvcyA9PSAwKSB7CiAJ CW0tPmluZGV4ID0gMDsKKwkJbS0+dmVyc2lvbiA9IDA7CisJCW0tPmNvdW50ID0gMDsKKwl9CiAK IAkvKiBEb24ndCBhc3N1bWUgKnBwb3MgaXMgd2hlcmUgd2UgbGVmdCBpdCAqLwogCWlmICh1bmxp a2VseSgqcHBvcyAhPSBtLT5yZWFkX3BvcykpIHsK --001a1141e49433022b055e030e66-- From 1583640410433318012@xxx Fri Nov 10 01:26:25 +0000 2017 X-GM-THRID: 1583503947146676656 X-Gmail-Labels: Inbox,Category Forums,HistoricalUnread