From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=143.255.12.172 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794072273; b=YpuJ9LcOytUv+oxmSZg3eUlZIZOF0alC2NH3zJ6TQFTpQkre1UOqDRrzCPGj7lPDv6YJ AHPdTKJVnca0+qj5dQgipWUiyuF77aWhOZHI5968i0Tlh+uCwKpaqlvj8/M+/JXIp9EKp 5dMXn4/cAz2SGV4UaY+9OeK050/nvXmqE44e6Y2TP1cgUcKsiLd7t7STD++XAQlp7bzO2 ZMp+R4AoGvkBGkrprQWJRugw9YoRzYo9UgqMWcSTqtoKuUxKB7FXNHsusYRMSy6Yujnc8 hdWQfh4k5xvFinQwi6Z7lyIhXUGIDZryTrI7kSKTypojh+v9M+UMTekLhwzRbunumXw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794072273; h=DMARC-Filter:DKIM-Signature:Received:Message-ID:From:To:Cc:Subject: In-Reply-To:References:Date:MIME-Version:Content-Type; bh=SPOL0FT7rZBQ4un4ld/pKpMxsIgQgOIWYBuwtPXOli8=; b=QSqRwpI+keIWTcreqIlCH2uV27Ocm3bsRt2rJXT8oYtoxUHAXRUG0GDul3+vtAiBoWXG yTDzleCSoGRi/CY8Eq/MaC6Zz++lYXcho9vkGpAekwlFnnrbHtjY28c6Oali1oYoeCNp3 1slwDwnFOAj3tPN68HqasGNJ9WgZ1dbC64Hh+oBNDafE88ShMwo0eeEmTQrQcRrLpXLUK TfYR5m0JTd9rIjcA5cYUYBRuDVDp2bRgk3pPLRGNX1CLFM7rurxVycMI/XtOc90TtS8my 4j05gb5LyPb0SA7iKIw289FpUPxg5A1g+dC2VSM3ocx6XbB16T/eYXGv2nTBwNeCc1A== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=manguebit.org; spf=pass smtp.mailfrom=manguebit.org; dkim=pass header.d=manguebit.org header.i=@manguebit.org header.a=rsa-sha256 header.s=dkim header.b=UnOSovKh; arc=none smtp.remote-ip=143.255.12.172 Received: from mx1.manguebit.org (mx1.manguebit.org [143.255.12.172]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 30EC2606A326; Sat, 7 Nov 2026 17:24:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 30EC2606A326 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=manguebit.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=manguebit.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=manguebit.org header.i=@manguebit.org header.a=rsa-sha256 header.s=dkim header.b=UnOSovKh DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=manguebit.org; s=dkim; h=Content-Type:MIME-Version:Date:References: In-Reply-To:Subject:Cc:To:From:Message-ID:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=SPOL0FT7rZBQ4un4ld/pKpMxsIgQgOIWYBuwtPXOli8=; b=UnOSovKhYybiO0e6m70k7k/Kv2 e5OomIEHaD7V+8iHWX6k4VTVqsA2TQubTvqew4E4kcX9ctKVN003qVuJXoJqYFU572kAAkzmxuGUC Gmn1UzwwV/xYao0tIBA12ofetjbJX3fMIvr/bvZ4/cOGllSwVVeMLmbbNtmwnST8OtXKONV3dKd7A w1UOll+GcINl9lK2o0YMCEwON9XvD5wYmjj98+DYkyC3BjB2+knoEdH9kB/lY6ni6914OdIwSKS3T aVYd/jOMDkpf2ohBcD3uSFbTCMiFmumJvXkUxTvQyr88QHX5mXevk1dTHWNJ9VCNhkMmPjarRwqzd E5eRP1qQ==; Received: from pc by mx1.manguebit.org with local (Exim 4.100.1) id 1xPk9R-000000017pW-2wNK; Sat, 07 Nov 2026 14:24:26 -0300 Message-ID: <3f65be10a84fca4ecada2db56213c80b@manguebit.org> From: Paulo Alcantara To: Yifan Zhang , linux-cifs@vger.kernel.org Cc: Namjae Jeon , Ronnie Sahlberg , Shyam Prasad N , Tom Talpey , Bharath SM , Steve French , samba-technical@lists.samba.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH RESEND] cifs: bound invalid NTLMSSP signature diagnostic In-Reply-To: <179367391951.8187.8527449085887136856@stu.pku.edu.cn> References: <179367391951.8187.8527449085887136856@stu.pku.edu.cn> Date: Sat, 07 Nov 2026 14:24:26 -0300 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain Yifan Zhang writes: > The NTLMSSP Signature field is an eight-byte binary value and need not be > NUL-terminated. decode_ntlmssp_challenge() prints it with %s on the > signature-mismatch path, so the diagnostic can continue beyond the received > blob until it encounters a zero byte. > > KASAN reports: > > BUG: KASAN: slab-out-of-bounds in string > Read of size 1 > string > vsnprintf > _printk > decode_ntlmssp_challenge > > Print the fixed-width field with the bounded hexadecimal format. > ... Applied.