anchao opened a new pull request #2412:
URL: https://github.com/apache/incubator-nuttx/pull/2412


   ## Summary
   net/icmp: add sanity check to avoid wild data length
   
   net device buffer overflow if the icmp packet is too large
   
   Signed-off-by: chao.an <anc...@xiaomi.com>
   
   ## Impact
   
   icmp ping
   
   ## Testing
   ping <ip addr> -s 1500
   


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