From: Eliad Peller <eliad@xxxxxxxxxx> tsc can be NULL (mac80211 currently always passes NULL), resulting in NULL-dereference. check before copying it. Signed-off-by: Eliad Peller <eliadx.peller@xxxxxxxxx> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx> --- net/wireless/trace.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/wireless/trace.h b/net/wireless/trace.h index 5ffb849..0f0901e 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -2049,7 +2049,8 @@ TRACE_EVENT(cfg80211_michael_mic_failure, MAC_ASSIGN(addr, addr); __entry->key_type = key_type; __entry->key_id = key_id; - memcpy(__entry->tsc, tsc, 6); + if (tsc) + memcpy(__entry->tsc, tsc, 6); ), TP_printk(NETDEV_PR_FMT ", " MAC_PR_FMT ", key type: %d, key id: %d, tsc: %pm", NETDEV_PR_ARG, MAC_PR_ARG(addr), __entry->key_type, -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
