From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f182.google.com (mail-pl1-f182.google.com [209.85.214.182]) (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 998C85F565 for ; Sat, 10 Feb 2024 20:06:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.182 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707595597; cv=none; b=RqwM6Y4C57YxGPAykQ4xoTx0fXcYWZnwipY/Di5lvuTGWY7+Eu+22sblmjP/48ppL2vbekeNbydAun+GZmpD8p6FXzL6CBXwRWvUUceQ6dDqYy6wR4IjeKZq2qw2ZqswTbS95aPqxNaZB8WoX3BR7K/QxDgkVzF3eOgkYShMMy0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707595597; c=relaxed/simple; bh=Vmpb07yt4oPCpc3atjVHNk2xR5ln845iPK3r+j+cks0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=hyMBj6tz0hw6lu7+ShJqa5eBX8tT2TyweUO+L0sD2sj5SY0KQAjT+BIF2Y5WjH5KxzQPJ35rguW/v+j+EyDtIFuzDd/A1t+Vscessbc9c6EV8FXWeXo1SRe1ujr+dnkaOO0eJ9NrreRncz+qx3Cxt41AC0UmUEqBxe5LqS2sDDQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=broadcom.com; spf=fail smtp.mailfrom=broadcom.com; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b=NIHMCIfI; arc=none smtp.client-ip=209.85.214.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=broadcom.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=broadcom.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="NIHMCIfI" Received: by mail-pl1-f182.google.com with SMTP id d9443c01a7336-1d746856d85so16604685ad.0 for ; Sat, 10 Feb 2024 12:06:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1707595594; x=1708200394; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=h6v7mzz9B6+WO20oMc1FBVKh6TyupKe4My6q9d0HaN4=; b=NIHMCIfIRGuMJQDBvESGgjBIIaenWAml3+5R66IBlt2iiW2eOynXzy/RO9PyMXKKVh +z77HTK/POoC7ezsXdw2V2bBnrmrind4CrSS2LNJ8IbKTD83TQJXpoQ1MDa4oEfcssoK Pia20mvYfjkzEXWtjMBQnJd4qdS5WPGMrpheg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707595594; x=1708200394; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=h6v7mzz9B6+WO20oMc1FBVKh6TyupKe4My6q9d0HaN4=; b=Sv9j/bSiFIOUzjKTBQV8kmc8rex/g5F7z53YsJInpExplI3Ihy/4znfH0ROKc/tcZl 8gpEBwCA9Syzo32qj6QpI3qZvt/IZzY1V0geJd78W+0yzhPY3M1gmvKR7hKmJDXU/KwL TM76tP8CtUFW8dhsZeobkg6PwYRbDACYv1xgHs+u+nbEvJgnUPS/fYz1ZYlYmg1Nlvzk XA9OBUf5yUInnZOKuwGV7bIB7a3QCsWdLMcqTYr35RcQ8YcpXdbH219CmeTX6IDURQtq FCvFYTMyD3ICcr/h6wxNxYcvS4oV7Dh8vd0mrdL7X/f8YrHdgl+dVphs3q/YZpOmIXaG fOCQ== X-Gm-Message-State: AOJu0YzAITXAGpkXBQrxOueW+EFBafXilP4pwB5cD/r7lcDLZWYHtZrV tMA4BROU6vLTYMdeiW29xWMR5faAQwi2nXwzO8l0fWdGrGR8TdKbORcYXACpG2JZko3BRCWjkH7 VzyI+4BV8jcLodN/Kv5OEA/QXvU5x90QvihFc96nNFUk2g6MhH3qPvfEeZImTFa4xSPt0jGbVUa cw48O4hJJy26VsIIOdUnGJ6EJTaJKzayF3y3pXXUbJWIHL+jMFKMTbvk0= X-Google-Smtp-Source: AGHT+IG9gBFvr7ZCiz9pwcuBPvGLjLf6TWLMfRRLLXRZoBVGjORVaeo3ugppFc3g0tMbBVVMRA5G3A== X-Received: by 2002:a17:902:6805:b0:1da:1d7f:1bf2 with SMTP id h5-20020a170902680500b001da1d7f1bf2mr2328279plk.48.1707595593935; Sat, 10 Feb 2024 12:06:33 -0800 (PST) X-Forwarded-Encrypted: i=1; AJvYcCUGC01euG9XSKyYn0K5BrodphLiwx1mth59iqB12HQW8N0yp7hXwxI+oONe1Mp8y+VWs+L80TAV2JDRZPzDY8DOEX2RdVSnbCy3/O4SUV6fBQXJGsFNAPZaHSEaGiV5AM5mbetV Received: from bguruswamy-virtual-machine.eng.vmware.com ([66.170.99.2]) by smtp.gmail.com with ESMTPSA id lb3-20020a170902fa4300b001d9af77893esm3373392plb.58.2024.02.10.12.06.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 10 Feb 2024 12:06:33 -0800 (PST) From: Guruswamy Basavaiah To: stable@vger.kernel.org, gregkh@linuxfoundation.org Cc: ajay.kaher@broadcom.com, tapas.kundu@broadcom.com Subject: [PATCH 6.1.y 0/2] Backport Fixes to linux-6.1.y Date: Sun, 11 Feb 2024 01:36:07 +0530 Message-Id: <20240210200607.3089190-3-guruswamy.basavaiah@broadcom.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240210200607.3089190-1-guruswamy.basavaiah@broadcom.com> References: <20240210200607.3089190-1-guruswamy.basavaiah@broadcom.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Here are the two backported patches aimed at addressing a crash. Patch 1 fix validate offsets and lengths before dereferencing create contexts in smb2_parse_contexts(). Patch 2 fix issue in patch 1. The original patches were authored by Paulo Alcantara . Original Patches: 1. af1689a9b770 ("smb: client: fix potential OOBs in smb2_parse_contexts()") 2. 76025cc2285d ("smb: client: fix parsing of SMB3.1.1 POSIX create context") Please review and consider applying these patches. fs/smb/client/cached_dir.c | 8 +++++--- fs/smb/client/smb2pdu.c | 93 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++------------------------------------- fs/smb/client/smb2proto.h | 12 +++++++----- 3 files changed, 68 insertions(+), 45 deletions(-)