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[mpl] handle length computation overflow when inserting MPL header (#2092)

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Credit to OSS-Fuzz.
This commit is contained in:
Jonathan Hui
2017-08-10 21:32:31 -07:00
committed by GitHub
parent 78247c8de9
commit 444d2e4c84
1 changed files with 1 additions and 1 deletions
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src/core/net/ip6.cpp
+1 -1
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@@ -167,7 +167,7 @@ otError Ip6::InsertMplOption(Message &aMessage, Header &aIp6Header, MessageInfo
if (aIp6Header.GetNextHeader() == kProtoHopOpts)
{
HopByHopHeader hbh;
uint8_t hbhLength = 0;
uint16_t hbhLength = 0;
OptionMpl mplOption;
// read existing hop-by-hop option header