From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8AD703AA1A8; Thu, 15 Jan 2026 17:34:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768498462; cv=none; b=R00IlzqANAaWE3bGblCmIJCOdyxXbLwuI7QWfq8H2xp05KVcLSE/XWtrZR7q8m+NYIF2yjyJADB5jemy7vZN16mZEv0oYpNJ9ETRbK89OkaKKZDP/UdOWWWm7+0WnWITFw5vbcfMbnmXrUX+JKzRNeb1WtE/XwA0xLtbjNiRl4s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768498462; c=relaxed/simple; bh=tO1GINWvbiqFsymv9rCMX+j4B7ExHyFQUvrKELxZWIY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OatDRWZObHMlpPBP2Vy5+q/F7mMwUl3zWzsvF83z7A8ukJC+BkrnWOCu6KNbzrD6Nk9xPKtJ0ZaY4TiHNY7r73cnogN/8WAhOwjS7HlOMKDR5SYTGD0alAiBLtZw8KMcUx5lbq15hdULYGbe5EHwvlEeUzA2//gHjeHCBQ7Kuyc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=axzOc9cN; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="axzOc9cN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 051E3C116D0; Thu, 15 Jan 2026 17:34:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1768498462; bh=tO1GINWvbiqFsymv9rCMX+j4B7ExHyFQUvrKELxZWIY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=axzOc9cN5eqHyArxMI9oiTnl6ONvRembfn+bfh68PKWhiYtFLUNMwU/ub1o/s2P45 D0hx+PfvogQGoalHUIzUPA+QastSgtl9IyMM06nEa7cMKFNQfH8hv5yJvhaQUjTRsb owv7681FSIznWkemGaAHymkYc3IGZ3m3EzYRg2Zw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Haoxiang Li , Christoph Hellwig , Carlos Maiolino , Carlos Maiolino , Sasha Levin Subject: [PATCH 5.15 440/554] xfs: fix a memory leak in xfs_buf_item_init() Date: Thu, 15 Jan 2026 17:48:26 +0100 Message-ID: <20260115164302.191431387@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260115164246.225995385@linuxfoundation.org> References: <20260115164246.225995385@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Haoxiang Li [ Upstream commit fc40459de82543b565ebc839dca8f7987f16f62e ] xfs_buf_item_get_format() may allocate memory for bip->bli_formats, free the memory in the error path. Fixes: c3d5f0c2fb85 ("xfs: complain if anyone tries to create a too-large buffer log item") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li Reviewed-by: Christoph Hellwig Reviewed-by: Carlos Maiolino Signed-off-by: Carlos Maiolino [ Adjust context ] Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- fs/xfs/xfs_buf_item.c | 1 + 1 file changed, 1 insertion(+) --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -825,6 +825,7 @@ xfs_buf_item_init( map_size = DIV_ROUND_UP(chunks, NBWORD); if (map_size > XFS_BLF_DATAMAP_SIZE) { + xfs_buf_item_free_format(bip); kmem_cache_free(xfs_buf_item_zone, bip); xfs_err(mp, "buffer item dirty bitmap (%u uints) too small to reflect %u bytes!",