[Bug libc/13580] crash in glibc with dlopen and math functions

[aj at suse dot de]

http://sourceware.org/bugzilla/show_bug.cgi?id=13580

--- Comment #1 from Andreas Jaeger <aj at suse dot de> 2012-01-10 10:54:16 UTC ---
LD_DEBUG=symbols shows:

     19500:     symbol=floor;  lookup in file=/usr/lib64/libgmodule-2.0.so.0
[0]
     19500:     symbol=floor;  lookup in file=/usr/lib64/libglib-2.0.so.0 [0]
     19500:     symbol=floor;  lookup in file=/lib64/libpthread.so.0 [0]
     19500:     symbol=floor;  lookup in file=/lib64/libc.so.6 [0]
     19500:     symbol=floor;  lookup in file=/lib64/libdl.so.2 [0]
     19500:     symbol=floor;  lookup in file=/lib64/libpcre.so.0 [0]
     19500:     symbol=floor;  lookup in file=/lib64/librt.so.1 [0]
     19500:     symbol=floor;  lookup in file=/lib64/ld-linux-x86-64.so.2 [0]
     19500:     symbol=floor;  lookup in
file=/usr/lib64/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-svg.so [0]
     19500:     symbol=floor;  lookup in file=/usr/lib64/librsvg-2.so.2 [0]
     19500:     symbol=floor;  lookup in file=/usr/lib64/libgdk_pixbuf-2.0.so.0
[0]
     19500:     symbol=floor;  lookup in file=/usr/lib64/libgobject-2.0.so.0
[0]
     19500:     symbol=floor;  lookup in file=/usr/lib64/libglib-2.0.so.0 [0]
     19500:     symbol=floor;  lookup in file=/lib64/libpthread.so.0 [0]
     19500:     symbol=floor;  lookup in file=/lib64/libc.so.6 [0]
     19500:     symbol=floor;  lookup in file=/usr/lib64/libgio-2.0.so.0 [0]
     19500:     symbol=floor;  lookup in file=/usr/lib64/libpangocairo-1.0.so.0
[0]
     19500:     symbol=floor;  lookup in file=/usr/lib64/libpango-1.0.so.0 [0]
     19500:     symbol=floor;  lookup in file=/usr/lib64/libcairo.so.2 [0]
     19500:     symbol=floor;  lookup in file=/usr/lib64/libcroco-0.6.so.3 [0]
     19500:     symbol=floor;  lookup in file=/usr/lib64/libxml2.so.2 [0]
     19500:     symbol=floor;  lookup in file=/lib64/libm.so.6 [0]
Segmentation fault

It seems that PLT is not setup yet and this call fails:
call    __get_cpu_features@plt

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