[lwip-devel] [bug #17922] mem_malloc bug

[Simon Goldschmidt]

Follow-up Comment #19, bug #17922 (project lwip):

Christiaan, I've tried the 3 different versions with the TCP echo server
included in contrib/ports/unix/proj/unixsim/apps/tcpecho.c under windows. It
works for hours using Adam's original mem_malloc() and my modified version.

For TCP echo test, your version works OK, too.
However, an assert triggers in mem_free() (LWIP_ASSERT("mem_free: mem->used",
mem->used);) with ARP queueing, and it seems like the ram region is used twice
and set to unused again as the pbuf information of the pbuf queued in ARP is
correct.

Did you test my patch? (file #12598)

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