From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 B2C87311C07; Fri, 7 Aug 2026 14:46:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786113961; cv=none; b=EMTqe5qyj0Hc5m7EHXYbDJ/DUCME85vuWSsHUY3sOwGp199mq0YcBFO2Vj3U6Z7qB6jePPOH96a1onzs2m3rKNDY3QoZkaKZffqRnB9YMmZXF9mdFHTFSPpqhO4cFbFGvpJwOl5HCfPmpg98QIKNdRxstbgcDtKs7ATvc7DAn0M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786113961; c=relaxed/simple; bh=OHwhds5HfyUikZ5I/4lDKUpOjYjd5/uj8xuNWCF4+k0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XmRkgNXZtAMPz76CjqOLpBIXQ/YHHgXk5fgut7m8FJxDvHgz7mEF5p3v0AkR7QAf8CS0HlOu3FLEC/J4gGs7IwU44V03KtxwsvxDNGTvEbWcsqoktQKAiNGMRjS8811JELkdqIbNZsoaUJe5Gn4axBK7s7H8ndjD3GNdbNfvrlA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Hl43dTNd; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Hl43dTNd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8B25C1F000E9; Fri, 7 Aug 2026 14:45:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1786113960; bh=05RxvnkWrZpIlGzT/hzL1T/JBcJyI9lM2uv4Rt4/CU0=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Hl43dTNdlL6EE/2y69YdyBqn2VlLujafl50C4rt5zDdgcq4ES0vJzcEswUpAsnNVr 7E377hEyah3A9vHILbU5iWEG9LkHX6eay6k+madC9MfYJBwTzq/dmIwMzotkTXsHh8 Go/sz6ZW3jWTx9v4bQSS6tV+5TwxZC5CwjbI32/U= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yuho Choi , Aleksandr Loktionov , Samuel Salin , Tony Nguyen , Sasha Levin Subject: [PATCH 6.12 095/337] idpf: Fix mailbox IRQ name leak on request failure Date: Fri, 7 Aug 2026 16:34:58 +0200 Message-ID: <20260807143420.601179361@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260807143418.516897842@linuxfoundation.org> References: <20260807143418.516897842@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Yuho Choi [ Upstream commit 9bff30482c10f70d9e56c0633a6616e07140e217 ] idpf_mb_intr_req_irq() allocates the mailbox IRQ name before calling request_irq(). On success, the name is released later through kfree(free_irq()), but request_irq() failure returns without freeing it. Free the allocated name on the request_irq() failure path. Fixes: 4930fbf419a7 ("idpf: add core init and interrupt request") Signed-off-by: Yuho Choi Reviewed-by: Aleksandr Loktionov Tested-by: Samuel Salin Signed-off-by: Tony Nguyen Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/idpf/idpf_lib.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/idpf/idpf_lib.c b/drivers/net/ethernet/intel/idpf/idpf_lib.c index 4973135c346a2..c2101f7f6e1bf 100644 --- a/drivers/net/ethernet/intel/idpf/idpf_lib.c +++ b/drivers/net/ethernet/intel/idpf/idpf_lib.c @@ -134,7 +134,7 @@ static int idpf_mb_intr_req_irq(struct idpf_adapter *adapter) if (err) { dev_err(&adapter->pdev->dev, "IRQ request for mailbox failed, error: %d\n", err); - + kfree(name); return err; } -- 2.53.0