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Johannes Berg authored
commit b8fff407 upstream. Upon receiving the last fragment, all but the first fragment are freed, but the multicast check for statistics at the end of the function refers to the current skb (the last fragment) causing a use-after-free bug. Since multicast frames cannot be fragmented and we check for this early in the function, just modify that check to also do the accounting to fix the issue. Reported-by:
Yosef Khyal <yosefx.khyal@intel.com> Signed-off-by:
Johannes Berg <johannes.berg@intel.com> Signed-off-by:
Luis Henriques <luis.henriques@canonical.com>
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