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[23.128.96.18]) by mx.google.com with ESMTP id mc22si2243543ejb.655.2020.06.18.11.52.43; Thu, 18 Jun 2020 11:53:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728546AbgFRR4J (ORCPT + 99 others); Thu, 18 Jun 2020 13:56:09 -0400 Received: from mail-il1-f197.google.com ([209.85.166.197]:40143 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728518AbgFRR4G (ORCPT ); Thu, 18 Jun 2020 13:56:06 -0400 Received: by mail-il1-f197.google.com with SMTP id s4so4554790ilc.7 for ; Thu, 18 Jun 2020 10:56:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=EFtXSNMLUGInsLNSBypEMpMMFyFYOsaqbMXTYo9acWE=; b=EhM6rWQDdUxo3PMscvnlkqQ+liKrQBn9ErwADtUDLsooBSI7y/mNjfigd5MKEo1UxY XtUGo3zkSBobhUZcsusQRoqunSVllk+aMm5XMcck6+6YM4k+ahTFx1jUfeuvFLjE+Ri4 tAjlwjEPn8u9VIXhSGPLVNGFZmMZlqLVF5xP1utXwKNHVKYpEqRQZ736aUdcphJwZi4k +yAzRDbW1t+vgBzB4rf3F5RO7B1m76Bw0zJ9cPPGY9G0Mqru+otzTDvwPMy5HOYszfXj fMby12/WhqbivRr67oU1O60PhMnIF63Xd/UUvs4jtGTNo1E880tiQUtJ8q4SZ6upPuVS QY/A== X-Gm-Message-State: AOAM530u/m3w8V3Oaguyzf/2c3mkKErpTa54cuKxRtvSKyMNiNfbDKwS b3TtJbxHa/llbKfpQXRpk56IlnegPBfS+7ALTZSstGIL32GF MIME-Version: 1.0 X-Received: by 2002:a6b:1785:: with SMTP id 127mr6231079iox.136.1592502964342; Thu, 18 Jun 2020 10:56:04 -0700 (PDT) Date: Thu, 18 Jun 2020 10:56:04 -0700 In-Reply-To: <000000000000aa674005a845bbc5@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007e5a7305a85f7dbd@google.com> Subject: Re: KASAN: null-ptr-deref Write in media_request_close From: syzbot To: ezequiel@collabora.com, laurent.pinchart@ideasonboard.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab+huawei@kernel.org, mchehab@kernel.org, sakari.ailus@linux.intel.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has bisected this bug to: commit 016baa59bf9f6c2550480b73f18100285e3a4fd2 Author: Ezequiel Garcia Date: Tue Apr 14 22:06:24 2020 +0000 media: Kconfig: Don't expose the Request API option bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=108d7149100000 start commit: 7ae77150 Merge tag 'powerpc-5.8-1' of git://git.kernel.org.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=128d7149100000 console output: https://syzkaller.appspot.com/x/log.txt?x=148d7149100000 kernel config: https://syzkaller.appspot.com/x/.config?x=be4578b3f1083656 dashboard link: https://syzkaller.appspot.com/bug?extid=6bed2d543cf7e48b822b syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17b3fc35100000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12fbb6f1100000 Reported-by: syzbot+6bed2d543cf7e48b822b@syzkaller.appspotmail.com Fixes: 016baa59bf9f ("media: Kconfig: Don't expose the Request API option") For information about bisection process see: https://goo.gl/tpsmEJ#bisection