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[lwip-devel] [bug #49328] Crash error in ip6_frag due to Assertion Fail

From: Dirk Ziegelmeier
Subject: [lwip-devel] [bug #49328] Crash error in ip6_frag due to Assertion Fail
Date: Thu, 13 Oct 2016 06:53:28 +0000 (UTC)
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:49.0) Gecko/20100101 Firefox/49.0

Update of bug #49328 (project lwip):

                  Status:                    None => Fixed                  
             Open/Closed:                    Open => Closed                 


Follow-up Comment #1:

The returned rambuf is contiguous, so it is always of length >= IP6_HLEN +
IP6_FRAG_HLEN. The assertion meant to check the incoming pbuf, since its
payload is copied via SMEMCPY, and this only works if the incoming pbuf is
contiguous. But only IP6_HLEN is copied, so checking for "IP6_HLEN +
IP6_FRAG_HLEN" instead of only IP6_HLEN was wrong.

Thanks for reporting!


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