[lwip-devel] [bug #51535] ip frame reass reassemble has something wrong

[Ambroz Bizjak]

Follow-up Comment #4, bug #51535 (project lwip):

Perhaps the error is here:

http://git.savannah.gnu.org/cgit/lwip.git/tree/src/core/ipv4/ip4_frag.c?id=925f3944d3d9de6e730f6d0738844f339ce9e35c#n378

Where a pbuf is inserted before another one, there is no check if there is a
hole between the new one and the previous one. There should be a check similar
to line 425 where the new pbuf is inserted to the end. The code at line 448
then only checks there are no holes after the new pbuf.

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