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 C078C3368AE for ; Wed, 22 Jul 2026 23:47:12 +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=1784764033; cv=none; b=XkgUDHulLhoFDfcoRb/evWSDecFgEB2HBwdOgGyu9ug8Qy5bykBLkUz2Ic9OWl8YgourtjbSZ5LiZnXKj/EQUYHjc4aECu7YAAA20pa0teFZyz08VlidqI4sOrHk1/jrg9b5yV7siv8R7CF8Tib35e4p3ANWMINEPgyEW0SlYT8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784764033; c=relaxed/simple; bh=QTCIRnmPIPf7SVxEXYRDg2eREqBn4NVqSEtX3uUYF/0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mHdb5TMAv0tUigKfKtxb+nGJ41IWL7jy+9n3SGRXIMBH4aCv83oJkzBDHbmPQLi5aA2pH3c6jNaFiUB3CeLFoxZgtl34hm1S0MOlInFRuXafRiRwducIk86ZMVHmfX9R9AZHfmseakWvZ66eqdoy7XQhB3U4IZpSqUKxFU4d53g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lZxGFmeh; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lZxGFmeh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 05C231F00A3A; Wed, 22 Jul 2026 23:47:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784764032; bh=CNlDf/EkMCjaCwlK5BgGYyr++mQYcilext6hII4iBAs=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=lZxGFmehmEeVPZ1tAMwlhLebxnl3VLoIoWK3PdEIjaOscdMEKX1RG89nFnoZoG1Q0 Gb1b4CzL7V7IqUekJV08vpG5rr9N1z+m2mBl9qxo29c8FN9ZZsA0RSsXY3FDP2AJre IUwQea3fjkRmPVe9HJ/kKWOGwnrRgHedow9LOu+YLjLapH/xXsMVbLRHv6IKIVpRDv G3KwXNkegr+oHizWUoFr9T/QHRLQSQ9rn4FbI4WF0Mz6dl6r54i/ZjXYpwVKGec+4A 2cyVYcvT27w5NWavS4zhndGIfUhVCn5gaDtKX9qBZWBPsz0UJkPZ6ROeKRc1RfcfdJ UNEFSfOMLKyTg== From: Sasha Levin To: stable@vger.kernel.org Cc: Abdun Nihaal , Thomas Zimmermann , Helge Deller , Sasha Levin Subject: [PATCH 6.6.y 2/2] fbdev: efifb: fix memory leak in efifb_probe() Date: Wed, 22 Jul 2026 19:47:09 -0400 Message-ID: <20260722234709.2613278-2-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260722234709.2613278-1-sashal@kernel.org> References: <2026072028-upstairs-wilder-f34d@gregkh> <20260722234709.2613278-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Abdun Nihaal [ Upstream commit 9b6eaf101656958397a6012bf43f6e2e42c9e5cb ] Since commit 73ce73c30ba9 ("fbdev: Transfer video= option strings to caller; clarify ownership") the string returned from fb_get_options() is expected to be freed by the caller, but the string is not freed in efifb_probe(). Fix that by freeing the option string after setup. Fixes: 73ce73c30ba9 ("fbdev: Transfer video= option strings to caller; clarify ownership") Cc: stable@vger.kernel.org Signed-off-by: Abdun Nihaal Reviewed-by: Thomas Zimmermann Signed-off-by: Helge Deller Signed-off-by: Sasha Levin --- drivers/video/fbdev/efifb.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c index d6a05ef0cc9027..945af6db125537 100644 --- a/drivers/video/fbdev/efifb.c +++ b/drivers/video/fbdev/efifb.c @@ -375,6 +375,7 @@ static int efifb_probe(struct platform_device *dev) if (fb_get_options("efifb", &option)) return -ENODEV; efifb_setup(si, option); + kfree(option); /* We don't get linelength from UGA Draw Protocol, only from * EFI Graphics Protocol. So if it's not in DMI, and it's not -- 2.53.0