From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 855046A00F for ; Tue, 20 Feb 2024 13:27:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708435625; cv=none; b=j3X3de5x/HMxJ9b7oqdCDx1DABQnxRfzcDbzLlvfm40l2N4B0/0ceeZ5+voP+P6fe+vYJ9vBEru2+I6+IhdsNulqZDBadaA9CsWn7W9qOyYKiEsED05tOIZz+B8OvdExS/Jh6Mhn8QmXipTqGioTonmsnZklR9jYYljshfv5UxA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708435625; c=relaxed/simple; bh=LUp60cI27gmwzvD4ul7wi67IhkazIGTfbtSdgtvHhuI=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=U18oNXEfRa22m5BnZY7sO+u0YwlKy6aGYign+hqHC9Gg4+grCZ/F7wxW/mT/lplNL7nHHbZmsusbFn1vlORHiRT0tiJD8lQnwpAzLUdBbYGWCvoRGUPyDGlPKsYFmGPiLveY6vPZ/xXu+pV2n4FZ/2DzTDH61wnqz4UtOBnE3fg= 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=209.85.166.72 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-f72.google.com with SMTP id ca18e2360f4ac-7c74b778213so164880539f.3 for ; Tue, 20 Feb 2024 05:27:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708435623; x=1709040423; 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=rbWn6dvbrSMkD/mLtOgyuBN0PAax+RFNEc2opnSABXQ=; b=cB99VGl7PBRBlJMnsvbA/E9baXKpnTYqhDKrq7MVW5dorFAHbqOKtU5N07nMgigZIH AX6FLRf9NmkL1Cv4N30voI+u4omM8GN8tryMopIUWjdFbK5BLrKErXwdKiLAAEmSiVxG KIiyRWsmTdqmypnZFnZ32jUwGqqq4s0MtAMJPrrsFe8Hwq9/jeA9W4WZiOaoxnkNbKOP 8sqfh//w6CR7y0/WtXqJVCIbNqgRf/IDRLUgshWeouzI3OKfMkTzciG5Z6SSHvoJIAWl eSHTJhD/SPpKDEBqL0XNVohxB8DAeSh2QcMwiI2VBqxQO3+n8oghYgTkq25i+oQDz67s ppnw== X-Forwarded-Encrypted: i=1; AJvYcCVKDJrA4IYOhryFAKDEaALhpAYk7hD7KtnXeuO48A6nDl9LnM6/8dWcp5BjBw5Pw2y1CiGE4NVoU3CQxpJW52KfhsFQsCwVG2te1bbx X-Gm-Message-State: AOJu0Yx0swwIz2Dh1GGmGG1Ac0FiZp0hPrfJMdk0S9K4a0jFKKCWusns ddiiLGtHptZ1a1+QSr4SHtiwb1Hhk2zjaNR/hsHpcIAq5CsztncerB0wM/X0FaodbGBWBlqNYZ3 qvicEPYdZR/R6fXkHm2kRA7E2Qo3zcbTaAwMF/7MecP5BWoIjlMkO0rY= X-Google-Smtp-Source: AGHT+IEjTMEQGJ2tN7cYYEEuEQnHPrOT+fbpz0s/jRVa3mPdN+hBTq8kBWOmytI4hDJ+PNVtSYR9zKw0iLfGoF9PPMcD01k0yQnr Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d8b:b0:365:177f:6db6 with SMTP id h11-20020a056e021d8b00b00365177f6db6mr871600ila.3.1708435623653; Tue, 20 Feb 2024 05:27:03 -0800 (PST) Date: Tue, 20 Feb 2024 05:27:03 -0800 In-Reply-To: <20240220130510.GC19387@breakpoint.cc> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007837ac0611d02ac8@google.com> Subject: Re: [syzbot] [net?] KASAN: use-after-free Read in __skb_flow_dissect (3) From: syzbot To: fw@strlen.de, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+bfde3bef047a81b8fde6@syzkaller.appspotmail.com Tested on: commit: 2f3a4818 net: ip_tunnel: prevent perpetual headroom gr.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/fwestphal/nf.git gre_cap_headroom console output: https://syzkaller.appspot.com/x/log.txt?x=15ad41c2180000 kernel config: https://syzkaller.appspot.com/x/.config?x=e1e8d9f850f8db45 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 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.