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From: Chris Rorvick <chris@rorvick.com>
To: linux-wireless@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Cc: Chris Rorvick <chris@rorvick.com>,
	Johannes Berg <johannes.berg@intel.com>,
	Emmanuel Grumbach <emmanuel.grumbach@intel.com>,
	Luca Coelho <luciano.coelho@intel.com>,
	Intel Linux Wireless <linuxwifi@intel.com>,
	Kalle Valo <kvalo@codeaurora.org>,
	"David S. Miller" <davem@davemloft.net>
Subject: [PATCH] iwlwifi: actually check allocated conf_tlv pointer
Date: Thu,  2 Apr 2020 00:02:19 -0500	[thread overview]
Message-ID: <20200402050219.4842-1-chris@rorvick.com> (raw)

Commit 71bc0334a637 ("iwlwifi: check allocated pointer when allocating
conf_tlvs") attempted to fix a typoe introduced by commit 17b809c9b22e
("iwlwifi: dbg: move debug data to a struct") but does not implement the
check correctly.

Tweeted-by: @grsecurity
Signed-off-by: Chris Rorvick <chris@rorvick.com>
---
In this wasn't picked up?

 drivers/net/wireless/intel/iwlwifi/iwl-drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
index ff52e69c1c80..a37f330e7bd4 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
@@ -1465,11 +1465,11 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
 		if (pieces->dbg_conf_tlv[i]) {
 			drv->fw.dbg.conf_tlv[i] =
 				kmemdup(pieces->dbg_conf_tlv[i],
 					pieces->dbg_conf_tlv_len[i],
 					GFP_KERNEL);
-			if (!pieces->dbg_conf_tlv[i])
+			if (!drv->fw.dbg_conf_tlv[i])
 				goto out_free_fw;
 		}
 	}
 
 	memset(&trigger_tlv_sz, 0xff, sizeof(trigger_tlv_sz));
-- 
2.24.1


             reply	other threads:[~2020-04-02  5:40 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-02  5:02 Chris Rorvick [this message]
2020-04-05  8:44 ` [PATCH] iwlwifi: actually check allocated conf_tlv pointer Kalle Valo
2020-04-05  8:51   ` Luca Coelho
2020-04-05  9:13     ` Kalle Valo
2020-04-14 12:14       ` Sedat Dilek
2020-04-06 14:10 ` Kalle Valo
2020-04-06 19:53   ` Sedat Dilek
2020-04-08  9:07     ` Sedat Dilek

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