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Subject: [Bug 203097] [libgeom] multiple geom_stats_open/close() leaks memory
Date: Mon, 14 Sep 2015 11:58:32 +0000
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X-Bugzilla-Component: kern
X-Bugzilla-Version: 10.2-RELEASE
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203097

            Bug ID: 203097
           Summary: [libgeom] multiple geom_stats_open/close() leaks
                    memory
           Product: Base System
           Version: 10.2-RELEASE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs@FreeBSD.org
          Reporter: erik@datahack.se

This program leaks non-RES memory, probably due to MAP_SHARED in the the mmap()
reallocation.

<code>
#include <libgeom.h>

int main() {
    while (1) {
        geom_stats_open();
        geom_stats_close();
    }
    return 0;
}
</code>

# clang bug.c -lgeom && ./a.out

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