[lwip-devel] [bug #37955] LWIP_ERROR fails with "message", doesn't call "handler"

[Valery Ushakov]

URL:
  <http://savannah.nongnu.org/bugs/?37955>

                 Summary: LWIP_ERROR fails with "message", doesn't call
"handler"
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: uwe
            Submitted on: Wed 19 Dec 2012 04:44:00 AM GMT
                Category: None
                Severity: 3 - Normal
              Item Group: Faulty Behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: 
            lwIP version: CVS Head

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Details:

LWIP_ERROR calls LWIP_PLATFORM_ASSERT(message) which is fatal.

This is probably not intended for innocuous error like calling netconn_api on
a netconn in a wrong state.  Since LWIP_ERROR is also used e.g. in code that
handles DHCP replies, a bad (malicious?) reply will be fatal too.

What's intended is probably some form of LWIP_PLATFORM_DIAG.  May be
LWIP_DEBUGF with a special flag?





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