[systemd-bugs] [Bug 78082] New: dhcp-packet.c: UDP checksum calculation on Big Endian systems invalid ?

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=78082

          Priority: medium
            Bug ID: 78082
          Assignee: systemd-bugs at lists.freedesktop.org
           Summary: dhcp-packet.c: UDP checksum calculation on Big Endian
                    systems invalid ?
        QA Contact: systemd-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: th.ritter at gmx.at
          Hardware: PowerPC
            Status: NEW
           Version: unspecified
         Component: general
           Product: systemd

It seems the algorithm in dhcp_packet_checksum produced invalid checksums on BE
systems (e.g. Powerpc).

I guess from other implementations the "overflow" part of the algorithm is the
cause.

Yet this produces invalid UDP packets on Big endian machines.

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