diff options
| author | Lior David <qca_liord@qca.qualcomm.com> | 2017-11-14 15:25:39 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-21 14:08:49 +0100 |
| commit | eac164f4025d7bf7afb0ecf0cee06f55ca096a40 (patch) | |
| tree | b1e0d50a0ec3aa964447d4819393433acef4ba6d | |
| parent | fa3ec41ea511910599838a1fe8820e31ef85efdd (diff) | |
wil6210: missing length check in wmi_set_ie
commit b5a8ffcae4103a9d823ea3aa3a761f65779fbe2a upstream.
Add a length check in wmi_set_ie to detect unsigned integer
overflow.
Signed-off-by: Lior David <qca_liord@qca.qualcomm.com>
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/wmi.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index 4311df982c60..eaf720679ba3 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -969,7 +969,12 @@ int wmi_set_ie(struct wil6210_priv *wil, u8 type, u16 ie_len, const void *ie) { int rc; u16 len = sizeof(struct wmi_set_appie_cmd) + ie_len; - struct wmi_set_appie_cmd *cmd = kzalloc(len, GFP_KERNEL); + struct wmi_set_appie_cmd *cmd; + + if (len < ie_len) + return -EINVAL; + + cmd = kzalloc(len, GFP_KERNEL); if (!cmd) return -ENOMEM; |