[lwip-devel] [bug #27576] pbuf_realloc will assert or crash on a non-chained pbuf list

[Bill Auerbach]

Follow-up Comment #1, bug #27576 (project lwip):

I see pbuf_realloc is after the header length and checksum are checked, but I
am still getting the assert intermittently as I deal with incoming packets
that I know are bad.

This is very repeatable - I can ping 20 times in a row and then have a bad
one and this assert fires.  I know they are bad because sometimes this assert
doesn't fire and I get stopped at the "Bad checksum" check in icmp.c.

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