diff options
| author | Lior David <qca_liord@qca.qualcomm.com> | 2017-11-14 15:25:39 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-05 19:41:11 +0100 |
| commit | 107b02c81a8761f1f7efc1e8b54d435324ccd13e (patch) | |
| tree | 8ed58b8266954701387d83e98cd7faf80991f2c0 /drivers/net/wireless/ath/wil6210/wmi.c | |
| parent | 39d9e1c62e3f8b5569a0d9bf4d47a3d5d8ae02e2 (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: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/wmi.c')
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/wmi.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index ffdd2fa401b1..d63d7c326801 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -1380,8 +1380,14 @@ 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) { + rc = -EINVAL; + goto out; + } + + cmd = kzalloc(len, GFP_KERNEL); if (!cmd) { rc = -ENOMEM; goto out; |