From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Pip Cet Newsgroups: gmane.emacs.bugs Subject: bug#36773: 27.0.50; Accessing a cached SVG with eww can cause Emacs to crash Date: Tue, 23 Jul 2019 18:37:38 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="60393"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 36773@debbugs.gnu.org To: adam plaice Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Jul 23 20:39:09 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hpzgo-000FZQ-H5 for geb-bug-gnu-emacs@m.gmane.org; Tue, 23 Jul 2019 20:39:06 +0200 Original-Received: from localhost ([::1]:46568 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hpzgn-0007o0-I6 for geb-bug-gnu-emacs@m.gmane.org; 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Tue, 23 Jul 2019 18:39:01 +0000 Original-Received: (at 36773) by debbugs.gnu.org; 23 Jul 2019 18:38:22 +0000 Original-Received: from localhost ([127.0.0.1]:35641 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hpzg5-0007Ey-QI for submit@debbugs.gnu.org; Tue, 23 Jul 2019 14:38:21 -0400 Original-Received: from mail-oi1-f181.google.com ([209.85.167.181]:43522) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hpzg3-0007Ek-RP for 36773@debbugs.gnu.org; Tue, 23 Jul 2019 14:38:20 -0400 Original-Received: by mail-oi1-f181.google.com with SMTP id w79so33099061oif.10 for <36773@debbugs.gnu.org>; Tue, 23 Jul 2019 11:38:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=fHw8W8nlIsRG1di5/+1FQHmSI76vYfoAlYQ7YwMwWO4=; b=eexSxeryyJu6Tj4btCYETtbRB4N6lNqsQgLpKoXdbsPFQeaT0KKF4thcTrc5AyqVkm xadJ9JyYv9YfVdE6HdibB5JlKu1KUUUSqVBTNaPawsMgctFQqLZnQU4r+c8whrFq39+e +A1iSgx+F4HKVad+7gu1De9MzqwJ1nW6JJXAzly7VDRhwdR4N4Nf9L3HyoexfShSAgGX I73yl3yCAy3qtkn5Ex5rO7NzIu00POkTjc5gTzSFr4klH8TfdlYAGxrbUGZUupoWW5Lt IWFsxQjxcgqOW3xqNxpm0xE6c2csWpPll7nxT6Vm7d8WhpinOa+izAmOKo1T5f5GDkS1 izEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=fHw8W8nlIsRG1di5/+1FQHmSI76vYfoAlYQ7YwMwWO4=; b=GV+b7KE80qNEQ+HKdbtr4ax8jL6g+OlTsXJgLmw35m1l4pNadNO6wE+u+E9CdRRtxD O3/EZRTcfpIcKvrVU2iDGhr4EQfQu9lbXwrbCKbMLWWvEjvDlcNS1fawQXmD32CynNKu bqzGrCnmnX2ctWsmgkmHS2n9jmL/gYKPCo+e2lw7ziDP/wLweFSpHE0nr2dIGxdBqv1B V4fQKtVIzWpwkosTXMiJCc1PVDgYzLqIAcT1Uh4RFbsDGl8oFDWt0dqI147sjBrn9ng1 I1iBsabHofCMNAM6PTmiYL55VHNwy4lEs0/xvPiO97wGgYu6H5hWyj+wwC1cmF9pSMHS h5rA== X-Gm-Message-State: APjAAAXk49Ad0kAzBEoipTDqppNAmTCSg7Pk98Z4/Y6pX4kOyd0ibzoY JGgF4eAjezmloxQd0xP0EGoAyDuNF1szwjALCaY= X-Google-Smtp-Source: APXvYqwp19xArGFA3bKXpWsTtEAj8i2tISQfV38eWzSibxy2GGuRaL5p22NKHBzP46OYKEVU3O3TeYCh17FkBYIv9y8= X-Received: by 2002:aca:4790:: with SMTP id u138mr2749568oia.44.1563907094172; Tue, 23 Jul 2019 11:38:14 -0700 (PDT) In-Reply-To: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:163647 Archived-At: On Tue, Jul 23, 2019 at 4:41 PM adam plaice wrote: > A cached SVG accessed with eww can cause Emacs to crash, even when the > same SVG does not cause a crash when it was not cached. I can't reproduce the crash; however, I do get some "critical" warnings from glib because we pass NULL pointers to g_object_unref, and no image. So there appear to be at least two bugs here. svg_load_image passes a NULL pointer to g_object_unref, and eww passes bad cached data to image.c. And possibly a third bug that's causing your crash. Which version of librsvg are you using?