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(parent: ce6b697) | patch
mac80211: do not access the IV when it was stripped
authorXing Song <xing.song@mediatek.com>
Mon, 1 Nov 2021 02:46:57 +0000 (10:46 +0800)
committerJohannes Berg <johannes.berg@intel.com>
Mon, 15 Nov 2021 09:54:37 +0000 (10:54 +0100)
commit77dfc2bc0bb4b8376ecd7a430f27a4a8fff6a5a0
tree6b6d8c6ec7339c92a829887be5a490e9a3a90204tree | snapshot
parentce6b69749961426c6d822215ded9e67154e1ad4fcommit | diff
mac80211: do not access the IV when it was stripped

ieee80211_get_keyid() will return false value if IV has been stripped,
such as return 0 for IP/ARP frames due to LLC header, and return -EINVAL
for disassociation frames due to its length... etc. Don't try to access
it if it's not present.

Signed-off-by: Xing Song <xing.song@mediatek.com>
Link: https://lore.kernel.org/r/20211101024657.143026-1-xing.song@mediatek.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
net/mac80211/rx.c diff | blob | history
Domain: System / Kernel;