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 6ED5232824A; Tue, 16 Dec 2025 12:13:53 +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=1765887233; cv=none; b=hp/lZvcHsUfpIcYzRwN3rDv3Zme5xgv2gQ+jdzbcDaZY3Z08LowziXd9OHEepPBaML7lslnbU5wLJbvWjgc5MtBFu/gw9d6rG/EtGYnZi/BGB46Iod9lNPH5j+vqs5rRtaEL18rNcBchVpRfZ0VI7N9G4KBfOS0FoZJlIjnCQZk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765887233; c=relaxed/simple; bh=g4D1c6jPxrQSGLmsYL1mD6Ovw/k4n4z+w4gfIGz28c4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HSOyX6dMAYu1WpSRXfGxbtKBeKhbEi1qE8ScnyLW1NKgixDcFtGUiY7jvJ9tX7OqLgL78+aWkg9+ExJpvDOlt5MZMaDIAQw/ufSP17eJxTQ5WKlWf1VCCypsMf3Lkj9rc7q7N3zUI9NV3HlagQUoMmMnYO2dSDns1jhualTPDh8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ptdRRgpz; 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="ptdRRgpz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 77F47C4CEF1; Tue, 16 Dec 2025 12:13:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1765887233; bh=g4D1c6jPxrQSGLmsYL1mD6Ovw/k4n4z+w4gfIGz28c4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ptdRRgpzRZjeTVTt8mchvjSRKCCT+nIRkOCKDo8H5N9OUHI+pCGdHUOpYcu5T2Hdh +jzUimwdEdjdTcw6zx6g78wJgsjXJppJIpFpEl8vAvzZNefJLtTSAdnf8ck2npxdxA VxhB//OzT1Cb1+5HFyT8klKLQQ06ACoQVEJC25r4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Li Qiang , Miri Korenblit , Sasha Levin Subject: [PATCH 6.18 135/614] wifi: iwlwifi: mld: add null check for kzalloc() in iwl_mld_send_proto_offload() Date: Tue, 16 Dec 2025 12:08:22 +0100 Message-ID: <20251216111406.226840175@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251216111401.280873349@linuxfoundation.org> References: <20251216111401.280873349@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 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Li Qiang [ Upstream commit 3df28496673bd8009f1cd3a85a63650c96e369f4 ] Add a missing NULL pointer check after kzalloc() in iwl_mld_send_proto_offload(). Without this check, a failed allocation could lead to a NULL dereference. Fixes: d1e879ec600f9 ("wifi: iwlwifi: add iwlmld sub-driver") Signed-off-by: Li Qiang Link: https://patch.msgid.link/20251017041128.1379715-1-liqiang01@kylinos.cn Signed-off-by: Miri Korenblit Signed-off-by: Sasha Levin --- drivers/net/wireless/intel/iwlwifi/mld/d3.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/mld/d3.c b/drivers/net/wireless/intel/iwlwifi/mld/d3.c index 1d4282a21f09e..dd85be94433cc 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mld/d3.c @@ -1794,6 +1794,10 @@ iwl_mld_send_proto_offload(struct iwl_mld *mld, u32 enabled = 0; cmd = kzalloc(hcmd.len[0], GFP_KERNEL); + if (!cmd) { + IWL_DEBUG_WOWLAN(mld, "Failed to allocate proto offload cmd\n"); + return -ENOMEM; + } #if IS_ENABLED(CONFIG_IPV6) struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif); -- 2.51.0