[systemd-bugs] [Bug 58067] New: systemd-udevd and udevadm segfault on MSB platforms

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=58067

          Priority: medium
            Bug ID: 58067
          Assignee: systemd-bugs at lists.freedesktop.org
           Summary: systemd-udevd and udevadm segfault on MSB platforms
        QA Contact: systemd-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: eric at ecks.ca
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: general
           Product: systemd

Created attachment 71250
  --> https://bugs.freedesktop.org/attachment.cgi?id=71250&action=edit
Patch to fix issue with hwdb on MSB platforms

I recently upgraded to udev-196-r1 (systemd-196) on Gentoo Linux on SPARC, and
observed (with USE=hwdb and the database created) systemd-udevd and udevadm to
be causing segfaults. Further investigation (tested on PowerPC) and some
debugging reveals this to be an endianness issue. The attached patch appears to
correct the issue, but may not be the most elegant fix.

Note that node->values_count is also referenced at libudev-hwdb.c:239, though
in my testing was not reached. It may be similarly affected.

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