From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ACCB72B5C1 for ; Thu, 12 Oct 2023 22:54:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from mail-oi1-f199.google.com (mail-oi1-f199.google.com [209.85.167.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1A630CA for ; Thu, 12 Oct 2023 15:54:27 -0700 (PDT) Received: by mail-oi1-f199.google.com with SMTP id 5614622812f47-3af6a12b2a8so2433836b6e.1 for ; Thu, 12 Oct 2023 15:54:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697151266; x=1697756066; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=gb4GepxVdDqnOhbaVFfKyJNSNxiwxVpwbYv24b5W+rg=; b=OSH0lP5niMCchD/3/CHvCzc+DK0jva98bajEg5stHjEpbdyuNdlX+ymPx0WsAAJK8s 8xSuhgNQSUdk5oVpYfrJDDT+W7u9nG+1Lsu36M0GUEqMY/p7EScd/jxua68vnQmHW9AI +QUk+w7IGzL5ieG1qPtmI94y8ouREfWBPLNQlHPLQbrVwiM6AVISmhZPingrryETaW0Y m8+Oitk+Lt6f9k4kqH1oZcob/qsX9+vhSAMoHMRsy9MsQC60aB2cgMg9EfM2fBesN/hF lV+z6h734NMWUosoqJgpsMKIC/s0rprHCh0h+g+Zuc3ZWlBBBIFVJiJsCdUGNbx/svA7 kFWA== X-Gm-Message-State: AOJu0YzOIp44VDLjM2h828za+IpP4serco3K5NR/ROM6fYB0uJ9Kj1eR t+sZQQg/Tv/9WePDK8rFR6d0sHpLgaD+XjcSPKtuBmnVA9sO X-Google-Smtp-Source: AGHT+IFiFZCMZCnrYzOGO0I8ReDLC4j6yQVUiDVIELqVouH34B2TrIHyrLW5aeNBURvFTdw4IZu44eAbjHQFOC1ShPajiGKi6zhk Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:1916:b0:3ae:2024:837d with SMTP id bf22-20020a056808191600b003ae2024837dmr13564961oib.8.1697151266486; Thu, 12 Oct 2023 15:54:26 -0700 (PDT) Date: Thu, 12 Oct 2023 15:54:26 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005e814006078cd293@google.com> Subject: Re: [syzbot] [usb?] [pvrusb2?] KASAN: slab-use-after-free Read in pvr2_context_set_notify From: syzbot To: isely@pobox.com, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-usb@vger.kernel.org, mchehab@kernel.org, pvrusb2@isely.net, ricardo@marliere.net, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=2.4 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2, RCVD_IN_SORBS_WEB,SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Level: ** X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+621409285c4156a009b3@syzkaller.appspotmail.com Tested on: commit: ce9ecca0 Linux 6.6-rc2 git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git console output: https://syzkaller.appspot.com/x/log.txt?x=10be5209680000 kernel config: https://syzkaller.appspot.com/x/.config?x=59eae8406319284a dashboard link: https://syzkaller.appspot.com/bug?extid=621409285c4156a009b3 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=131dd84d680000 Note: testing is done by a robot and is best-effort only.