diff options
| author | Hante Meuleman <meuleman@broadcom.com> | 2016-02-17 13:26:54 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2016-03-07 15:14:45 +0300 |
| commit | 0aedbcaf6f182690790d98d90d5fe1e64c846c34 (patch) | |
| tree | 8302821cc48c8be04b6ee301a4ec60da187920bc /drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c | |
| parent | 73345fd212980d2e28a5c6d83801c903bd773680 (diff) | |
| download | linux-0aedbcaf6f182690790d98d90d5fe1e64c846c34.tar.xz | |
brcmfmac: Add length checks on firmware events
Add additional length checks on firmware events to create more
robust code.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Lei Zhang <leizh@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c')
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c index de5892a67c22..b5a49e564f25 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c @@ -1361,6 +1361,11 @@ int brcmf_p2p_notify_action_frame_rx(struct brcmf_if *ifp, u16 mgmt_type; u8 action; + if (e->datalen < sizeof(*rxframe)) { + brcmf_dbg(SCAN, "Event data to small. Ignore\n"); + return 0; + } + ch.chspec = be16_to_cpu(rxframe->chanspec); cfg->d11inf.decchspec(&ch); /* Check if wpa_supplicant has registered for this frame */ @@ -1858,6 +1863,11 @@ s32 brcmf_p2p_notify_rx_mgmt_p2p_probereq(struct brcmf_if *ifp, brcmf_dbg(INFO, "Enter: event %d reason %d\n", e->event_code, e->reason); + if (e->datalen < sizeof(*rxframe)) { + brcmf_dbg(SCAN, "Event data to small. Ignore\n"); + return 0; + } + ch.chspec = be16_to_cpu(rxframe->chanspec); cfg->d11inf.decchspec(&ch); |