Johannes Berg 15a4f2bdbd mac80211: mesh: fix HE operation element length check ...

commit 636707e593 upstream.

The length check here was bad, if the length doesn't at
least include the length of the fixed part, we cannot
call ieee80211_he_oper_size() to determine the total.
Fix this, and convert to cfg80211_find_ext_elem() while
at it.

Cc: stable@vger.kernel.org
Fixes: 70debba3ab ("mac80211: save HE oper info in BSS config for mesh")
Link: https://lore.kernel.org/r/20210930131120.b0f940976c56.I954e1be55e9f87cc303165bff5c906afe1e54648@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2021-11-02 19:50:54 +01:00

45 KiB

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