From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 E39961E5B9A for ; Mon, 4 Aug 2025 17:12:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754327527; cv=none; b=dwfoFraFiMDnRJtXjvMH/ROgj8qzrwPcJwF1SYGkExw2iOc2dc/pAEbsH9CJMWz8gWQh34wqJNDlyFvNnovQ7xt70zgDXjCLpTel+c9X/CXQ8Pp4cCqPVP0ury7rN54xFtsHzdi+4EVHtmd+oNmVLy0n+OBO0Nj2vFZvMV61AS4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754327527; c=relaxed/simple; bh=jDpBEoLfJLg9TqVGHMxqi8W/lOa5wlDa+Cxrc0dThmM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=FnLoVi5gMiw8ZZ0teeDFbUuNJ9SzQR5ygrOuaSjqbseMtPYpJrwC6d6WZXvI7BORdkZqxHE5kX5ZYT6sqOWHQ6K0WkkXRCyZslKeVtQnksw/SUfjfaDxJ5WxJ9ZJkW/DXdpTkKPdtWh0xU9chvq3i/38YiXO76bDwHpfCVdE4QU= 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=209.85.166.197 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-il1-f197.google.com with SMTP id e9e14a558f8ab-3e3e69b2951so42400025ab.0 for ; Mon, 04 Aug 2025 10:12:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1754327525; x=1754932325; 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=hhBvl7iz+VJC4CiSokTX2+c4voXR8HDcpdVyTYId1Fc=; b=NG+1icixp1byBySpy9zRGhHIHV039qM4Ee+oWJuYGs977EWHnm369Hfjp055XdMCDy 1CqWs0n4xPzCau1VcUVx421TFwZw8OP3u8/ljewnych44y5SC3zNMHLW9DNTaVNPj047 hLOTKX3GYXcBujZnB35QxWT5DagA4K4Zsc7yHJ+wrbsKW5IlKavgNMcdwAna+BxiIA8Y xiBZq7hc62HxXR2Pg7zJvjd5yggPcT60zZuYQKScKUTmsuWNSHLRIvRqeJiUBR9GZ5AE l/EH8I97hS4DFVuT4GbTpNH3MM8yMeLFAoFLElBePUhubWa/SnWpBAA1fA5JM04nHZhf jkOw== X-Forwarded-Encrypted: i=1; AJvYcCUrI8Cn4v5qz27LjLVL7g314b4afaK6O8278l91UQGzNFjGLHq/LUj0M+LJiTicFvtZGsCinrFhqRW+TRU=@vger.kernel.org X-Gm-Message-State: AOJu0YycsIdVr0PYrn2Ojf6sOdutUXZSqEW1MMcFfWVadH6sVXGmbQYC EozIU6Uw25ixPe3YLBkZExdslxYeYpM7uM7eSNwmc8TKFPpJYlxpsgECLGmbJyX10MeWaOAPXiB Gx0gVsFOA6R/gdYAk4qa6jmhJ0IZR6mrN9uw194XssoI1AAZR3txnBlJ13kY= X-Google-Smtp-Source: AGHT+IE+SKpu/FvgBMpn8lo33FeTbVK/4xovIuT1L4gu42wiX5R6DCpseuD8a6Ely9yqVRdx8660/OJX9ocSrZq2PfpBNyc15cZC Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:c266:0:b0:3e2:9f5c:520f with SMTP id e9e14a558f8ab-3e51037e02dmr6379235ab.3.1754327524968; Mon, 04 Aug 2025 10:12:04 -0700 (PDT) Date: Mon, 04 Aug 2025 10:12:04 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6890e9e4.050a0220.7f033.000f.GAE@google.com> Subject: Re: [syzbot] [net?] KASAN: null-ptr-deref Write in rcuref_put (4) From: syzbot To: davem@davemloft.net, edumazet@google.com, horms@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.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 drivers/net/ppp/pptp.c patch: **** unexpected end of file in patch Tested on: commit: 5c5a10f0 Add linux-next specific files for 20250804 git tree: linux-next kernel config: https://syzkaller.appspot.com/x/.config?x=f4ccbd076877954b dashboard link: https://syzkaller.appspot.com/bug?extid=27d7cfbc93457e472e00 compiler: patch: https://syzkaller.appspot.com/x/patch.diff?x=151dc6a2580000