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 784963F482D; Fri, 24 Jul 2026 22:33:55 +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=1784932437; cv=none; b=r0YCuj31DIMcWpylwql9FFPaCtj94HaH3xaKzybZw1G9wbUjRkxDlUxIw1rayIDcU8KtjMs4cCKQpXu1n7xqPst37nO8NDoxbkUy3KjTCobWgZtR2qmTZkgMdee70BD8AL+R9qKh5CpypU5r0zJh3h1z4hNEkBE0nkcTMbqwcQY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784932437; c=relaxed/simple; bh=+hm62uNx5Nt9QktjrLRNaBxvbigeLcRFHFoxY37oqw4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Ueu3xFVt/G9HmGzjHfZaOn+659u/fREAtT5A5UejKjo2GF0VzkcnChj4BDTCLIIeWn+cAEwvAQxL6CvkaCEhvblBm59k0CE/Ql1TGrnTGoi3wPLzsK5IiRJwHXId+Mu0tZZXuS4hsBHjm7+l/Nboyrdcljgrl6w5RVxYpe3Va9M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=owZGQHVk; 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="owZGQHVk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E2CF61F00A3D; Fri, 24 Jul 2026 22:33:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784932435; bh=ljnoWx5eorV9w+2zpeNyCq0Qijcg2gSirzinnZYNAhA=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=owZGQHVkZZYVh5EbhUqe1ldV4sHe/YclbdzrJuW0XDQu5OLXowZqY/vw3JDYd9yEg eWFPxCQhzqIR62kRk1ZeTEVf3GncpKn2AivvG8W+4hIVxGA43TKgWhs/LAIGRGj6I+ 1uqE4HhnZBlDgoGWeq5ipXST8UUHuoiz1rx9FwAfzkdrt27t1ITxP6cdqbsPTVGEP3 h98D6HYuTR+QWw3T8xB1qOEECjdgfjPCM3k78LlWG7MpzG/xtBP8URCb1bUQP4/dFy PVIqyA02lBzb3yvF/PDjZCWdzGl0opWVMVaIkEcboX/cEhADSnUEkFULAQvsAuGNgt FWGeuV5pMzaQg== From: srini@kernel.org To: gregkh@linuxfoundation.org Cc: linux-kernel@vger.kernel.org, Eddie Lin , stable@vger.kernel.org, Ekansh Gupta , Srinivas Kandagatla Subject: [PATCH 5/5] misc: fastrpc: fix memory leak in fastrpc_channel_ctx_free Date: Fri, 24 Jul 2026 23:33:41 +0100 Message-ID: <20260724223342.629168-6-srini@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260724223342.629168-1-srini@kernel.org> References: <20260724223342.629168-1-srini@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Eddie Lin The 'ctx_idr' is initialized but never destroyed when the channel context is freed, leading to a memory leak. Add idr_destroy() to properly clean up the IDR resources. Fixes: f6f9279f2bf0 ("misc: fastrpc: Add Qualcomm fastrpc basic driver model") Cc: stable@vger.kernel.org Signed-off-by: Eddie Lin Reviewed-by: Ekansh Gupta Signed-off-by: Srinivas Kandagatla --- drivers/misc/fastrpc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index f8cbe30c5d5c..eb6c2a78d3c7 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -492,6 +492,7 @@ static void fastrpc_channel_ctx_free(struct kref *ref) cctx = container_of(ref, struct fastrpc_channel_ctx, refcount); + idr_destroy(&cctx->ctx_idr); kfree(cctx); } -- 2.53.0