From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 15D111EB4D for ; Wed, 17 Jan 2024 13:35:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705498508; cv=none; b=n3B9fuxWNIfB1H/0qceRr/zpVGcOPdtq7ihOHHUCK17t7BzpDGqHt0hPgP3EsSnJLzWXkSCH+xHctLltY6xd/mWu344XC/9xKgvTycd8a7BNIgJA9WJ+JL6zJU62VJEoopKhwZB4d+TJEAywvFXmfloM5JAOs7wdBtVzSif03Vg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705498508; c=relaxed/simple; bh=OUMfXeArj0HXVgSvfgSasLkiXApnYxPN3j76HDFRTS4=; h=Received:X-Google-DKIM-Signature:X-Gm-Message-State: X-Google-Smtp-Source:MIME-Version:X-Received:Date:In-Reply-To: X-Google-Appengine-App-Id:X-Google-Appengine-App-Id-Alias: Message-ID:Subject:From:To:Content-Type; b=DkRDcoUsFZrEiqX7W9OkUYGVqegyLiw0vQw6Z0C/PnE3oGCQkGBoKZLLhaT9tIRHaoVTKJrI8Q11q24oYIeyT+gKTDk/MLSwWXJNc8vMVIfYvZ9/fzEmm+cq1+dI6VfvfGI9HiPeU9SIcScRWyXyO6O83A0fArydNywaXba4gBs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.70 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f70.google.com with SMTP id ca18e2360f4ac-7bf4ce8405dso216553839f.3 for ; Wed, 17 Jan 2024 05:35:06 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1705498506; x=1706103306; 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=VZaEyxO71I8qdcKlz7TGqyeN+SJMsm6CO+OgGEYalDo=; b=mzLNcfbpwTjPS0xCroEUhTlJjEKt0id/4rdIx2JcWHZ2ptA/GWTkmaBM0LjQsYMu4r W3n7HxLTuPgDfBQYphjgtMMzhv7Yyz3atNIyD8CEuOY/QPH6re2FydpvSQNsadmSEtYs JF3e+OmMCHnS1KEybZgV7OWYAj7rMAg732takwv3jN+QL2WUxu5tzc3w9I9vKdD2Wh3J SUm5PAdJ3WcHAhf2X0CvjS0Js63pKicL+lOHa11nJYXPBgvoyd+ftVgH9eH1U/svla8P 8eDW6MQWl4W5OuARttw+bx6BxtfJDMDA9+XNW3BAE4EtQJLwyUcEP3EwdRmcrYYUq+V3 sJ7w== X-Gm-Message-State: AOJu0YwcUr2slTyoQTZkvfGGHspZw4vR7jyDjZpQOcIqHa+n53EDMt2x BHXJcPfAThz2lzZPqr+6Rnbqbg1Y7VbFhkR27hu+pGfdMbIu X-Google-Smtp-Source: AGHT+IG/osXct4btBMAUb4tjq//ky5reC00Q6e26CjJI3sxj9Aekygxhe/hyVAiz/cD99I+wiZfUovk5e/AvN30yyNF7ia1s+Hzz Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a02:ce91:0:b0:46e:65a3:48ea with SMTP id y17-20020a02ce91000000b0046e65a348eamr349545jaq.0.1705498506228; Wed, 17 Jan 2024 05:35:06 -0800 (PST) Date: Wed, 17 Jan 2024 05:35:06 -0800 In-Reply-To: <20240117131417.1132-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000a0fcd7060f24505c@google.com> Subject: Re: [syzbot] [net?] KASAN: use-after-free Read in __skb_flow_dissect (3) From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot tried to test the proposed patch but the build/boot failed: net/core/flow_dissector.c:1169:29: error: assignment to 'const struct iphdr *' from incompatible pointer type 'unsigned char *' [-Werror=incompatible-pointer-types] Tested on: commit: 052d5343 Merge tag 'exfat-for-6.8-rc1' of git://git.ke.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master kernel config: https://syzkaller.appspot.com/x/.config?x=da1c95d4e55dda83 dashboard link: https://syzkaller.appspot.com/bug?extid=bfde3bef047a81b8fde6 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=15ed3ab9e80000