From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (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 A05321822C3 for ; Wed, 3 Jul 2024 11:30:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720006205; cv=none; b=eoL9KNU5yCjhvHvq+gOBGrnDbja1TkqfVxSJRi9qjztech5E3d5G0+NDs0WnjdzggCvSqzAN34RNVaA4kx31fCZVAjzyh3Kqyvc6t+RnThZPi6velHdrGR/Ms2FoK1ZJWjuvWY/48PGrlRqx/mYHkioG5X0tqqaRSqH5aXNwbas= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720006205; c=relaxed/simple; bh=BfBH17VJtXddypEgWxOTCDyxog3F+1OJeoRSo4XyS88=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=XRmlA8hOsbhmi0oH6nDLBMxNoI2mpkPCWuQ2leF+33mAQx9SMF2N62iKTTUQlA6gmJhp0A3QdO7CHDFXWsMnn1FWiUYJxeUqlF1YyAfGjwALwtkwCFTZHbOLcpiP8PE2iH9oHD8RIZBOTbx4FWSxgusHfhYH4CLjLqpuWAeL/Mk= 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=209.85.166.69 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-f69.google.com with SMTP id ca18e2360f4ac-7f3d933ce7dso606096639f.0 for ; Wed, 03 Jul 2024 04:30:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720006203; x=1720611003; 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=GtDOwAyHfaH7yyD0GH2aSXDr9A+JGdnxgQykaBHcXN0=; b=AIii9redAYKV1hlZgvoG0drEdGbgxs3ElIHmfcBKqXlslvL14YoG28D0GWFuEQfmPh 2BusoxCDITkw9NEZPJmwSG7zNXebidoztpjGb2H94bnaxNUDz9bRvNB+rx3A4dPHigvU tJmnbU93QgrNBar9CQnBHvQD+l8pR3HmGVoULYSifDBdIrfdZBfziGw8yyLp7hjwBF5H V0p0ao5naGhCy8PIC60eH8ilrWZwqdND2AZEa6XNvYcFNbepEuytYcXPE4bup64rmt5X hNZegBbwacg2EKfutyJo748fXy63U9/8yFdTovNzxAumXy5xSyxBNBfZuJjIvstCgV/J ODzA== X-Forwarded-Encrypted: i=1; AJvYcCW0YGaxrnADVfKNVfgslhyeXsNqAiW5vreyXlR1qruHyCdbdsF9ghRB3rpD/Dwzjnv/ba2U4joyOhuJFF2rmQ00lTBvjaik X-Gm-Message-State: AOJu0Yx5CSP4b2IvRLemGmvvpgqhFeN6WAHF+bbUppZs6MR19E2GiM81 iwlukWdxbOabGseJuQOsZAolhFz9d/aof/8E2WZeO+eEyAIR4vcTuwKczsX5bX0AGHM/jEN4CU0 Dd1PCvq8WjknwdLuxBfPm27EU7f72SMZ0ukbaQpyfRB3HGvKP82cgXwk= X-Google-Smtp-Source: AGHT+IEIax5/D/dGA9BMfrVKPEvu7Yt1XPECp25e7JFAWps+K01mgYPk8aNZatnMgXBVhW/z5tyDzrI3AxSBWUzCt8yxku8lQpR7 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:12c4:b0:488:9082:8dd0 with SMTP id 8926c6da1cb9f-4bbb6892d94mr1132629173.0.1720006202854; Wed, 03 Jul 2024 04:30:02 -0700 (PDT) Date: Wed, 03 Jul 2024 04:30:02 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000bba661061c5626c5@google.com> Subject: Re: [syzbot] [net?] KASAN: slab-use-after-free Write in l2tp_session_delete From: syzbot To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, tparkin@katalix.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot tried to test the proposed patch but the build/boot failed: failed to apply patch: checking file net/l2tp/l2tp_core.c Hunk #1 FAILED at 1290. 1 out of 1 hunk FAILED Tested on: commit: 185d7211 net: xilinx: axienet: Enable multicast by def.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git kernel config: https://syzkaller.appspot.com/x/.config?x=e78fc116033e0ab7 dashboard link: https://syzkaller.appspot.com/bug?extid=c041b4ce3a6dfd1e63e2 compiler: patch: https://syzkaller.appspot.com/x/patch.diff?x=177064e1980000