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 E117941CCBD; Sat, 28 Feb 2026 17:45:44 +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=1772300745; cv=none; b=ARdUGsq0xLabx13XkNQl1epakVvDGNRcgY3lH897M2nTZNqkm/TcjDRPNj1A3vt1tfTeIGz/07k+gowQVm1NLlwr/JYnCAM+xEYoyeDq/zqO4A0sv/rHq1RI2qy8KPO1q/5ZmwWZf7mFpsqQQ8IwXENvZ9xV5OujUHHDL5gSeq0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300745; c=relaxed/simple; bh=ydw5SlpCZHeg3BEfdP/Kvqsx3VerIoR5MIjioJQKz+0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=g1VPW1cfXmF9hVJpl+ZN57ysB1mJ0sh21YowAK0gDELaYlU2QhJaXMAU4LvbnTYWRDTBEds63GKTDeT+8kZJhyEsRV6yirsDkk7v0h2elNAQLUgAQE9ikPwBx5sBgWXargEm3u62PpBak4Z58vk6ueUrZlVt/M79f3EgAOiOYMQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=u/KIJp6N; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="u/KIJp6N" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0D92FC116D0; Sat, 28 Feb 2026 17:45:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772300744; bh=ydw5SlpCZHeg3BEfdP/Kvqsx3VerIoR5MIjioJQKz+0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=u/KIJp6NlwPZUutKJyZN0s7swy4F3Wh/DDQg/TyOjG+Px2aJyb9AC/9OulOMmd8b5 3YRRFAyjSppLGz2dSRja5dt5b9YYyifoNHCJitGRnp+lQC72RrZlouXNPpNBqGpBk9 gNga9mqzqnAyfPzEOXdqtzhUNWHSK5/9PuyqoIAmME0JSmLFzIb80qc5ulLy1nrJmR S8rUPzxr4ompIt/Dj1DgA5KCa2EGHLdTdaP2IKmsFlcystGX79arP8hiKBvfrvBn09 EG2xNm3o6kK3LdQYepuYsArymgdgIFFYV4d0gtyLetF6iAXEU/FYBHkBz/PoPDa10n dVLL29GumH/0w== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Bo Sun , Vadim Fedorenko , Jijie Shao , Jakub Kicinski , Sasha Levin Subject: [PATCH 6.19 780/844] octeontx2-af: CGX: fix bitmap leaks Date: Sat, 28 Feb 2026 12:31:33 -0500 Message-ID: <20260228173244.1509663-781-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228173244.1509663-1-sashal@kernel.org> References: <20260228173244.1509663-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Bo Sun [ Upstream commit 3def995c4ede842adf509c410e92d09a0cedc965 ] The RX/TX flow-control bitmaps (rx_fc_pfvf_bmap and tx_fc_pfvf_bmap) are allocated by cgx_lmac_init() but never freed in cgx_lmac_exit(). Unbinding and rebinding the driver therefore triggers kmemleak: unreferenced object (size 16): backtrace: rvu_alloc_bitmap cgx_probe Free both bitmaps during teardown. Fixes: e740003874ed ("octeontx2-af: Flow control resource management") Cc: stable@vger.kernel.org Signed-off-by: Bo Sun Reviewed-by: Vadim Fedorenko Reviewed-by: Jijie Shao Link: https://patch.msgid.link/20260206130925.1087588-2-bo@mboxify.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/marvell/octeontx2/af/cgx.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c index 42044cd810b1f..fd4792e432bf0 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c @@ -1823,6 +1823,8 @@ static int cgx_lmac_exit(struct cgx *cgx) cgx->mac_ops->mac_pause_frm_config(cgx, lmac->lmac_id, false); cgx_configure_interrupt(cgx, lmac, lmac->lmac_id, true); kfree(lmac->mac_to_index_bmap.bmap); + rvu_free_bitmap(&lmac->rx_fc_pfvf_bmap); + rvu_free_bitmap(&lmac->tx_fc_pfvf_bmap); kfree(lmac->name); kfree(lmac); } -- 2.51.0