This is a note to let you know that I've just added the patch titled ath10k: fix potential memory leak in ath10k_wmi_tlv_op_pull_fw_stats() to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ath10k-fix-potential-memory-leak-in-ath10k_wmi_tlv_op_pull_fw_stats.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From foo@baz Tue Nov 28 10:56:34 CET 2017 From: Christian Lamparter <chunkeey@xxxxxxxxxxxxxx> Date: Thu, 29 Dec 2016 16:12:09 +0200 Subject: ath10k: fix potential memory leak in ath10k_wmi_tlv_op_pull_fw_stats() From: Christian Lamparter <chunkeey@xxxxxxxxxxxxxx> [ Upstream commit 097e46d2ae90265d1afe141ba6208ba598b79e01 ] ath10k_wmi_tlv_op_pull_fw_stats() uses tb = ath10k_wmi_tlv_parse_alloc(...) function, which allocates memory. If any of the three error-paths are taken, this tb needs to be freed. Signed-off-by: Christian Lamparter <chunkeey@xxxxxxxxxxxxxx> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/wireless/ath/ath10k/wmi-tlv.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c @@ -1105,8 +1105,10 @@ static int ath10k_wmi_tlv_op_pull_fw_sta struct ath10k_fw_stats_pdev *dst; src = data; - if (data_len < sizeof(*src)) + if (data_len < sizeof(*src)) { + kfree(tb); return -EPROTO; + } data += sizeof(*src); data_len -= sizeof(*src); @@ -1126,8 +1128,10 @@ static int ath10k_wmi_tlv_op_pull_fw_sta struct ath10k_fw_stats_vdev *dst; src = data; - if (data_len < sizeof(*src)) + if (data_len < sizeof(*src)) { + kfree(tb); return -EPROTO; + } data += sizeof(*src); data_len -= sizeof(*src); @@ -1145,8 +1149,10 @@ static int ath10k_wmi_tlv_op_pull_fw_sta struct ath10k_fw_stats_peer *dst; src = data; - if (data_len < sizeof(*src)) + if (data_len < sizeof(*src)) { + kfree(tb); return -EPROTO; + } data += sizeof(*src); data_len -= sizeof(*src); Patches currently in stable-queue which might be from chunkeey@xxxxxxxxxxxxxx are queue-4.4/ath10k-fix-potential-memory-leak-in-ath10k_wmi_tlv_op_pull_fw_stats.patch