cfg80211: fix mic_failure tracing
commit 8c26d45839
upstream.
tsc can be NULL (mac80211 currently always passes NULL),
resulting in NULL-dereference. check before copying it.
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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parent
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@ -2068,7 +2068,8 @@ TRACE_EVENT(cfg80211_michael_mic_failure,
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MAC_ASSIGN(addr, addr);
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__entry->key_type = key_type;
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__entry->key_id = key_id;
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memcpy(__entry->tsc, tsc, 6);
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if (tsc)
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memcpy(__entry->tsc, tsc, 6);
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),
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TP_printk(NETDEV_PR_FMT ", " MAC_PR_FMT ", key type: %d, key id: %d, tsc: %pm",
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NETDEV_PR_ARG, MAC_PR_ARG(addr), __entry->key_type,
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