To enable execution of this file add add-auto-load-safe-path /lib64/libthread_db-1.0.so line to your configuration file "/root/.gdbinit". To completely disable this security protection add set auto-load safe-path / line to your configuration file "/root/.gdbinit". For more information about this security protection see the "Auto-loading safe path" section in the GDB manual. E.g., run from the shell: info "(gdb)Auto-loading safe path" 0x00007f4f94f818b0 in nanosleep () from /lib64/libc.so.6 Thread 1 (process 19838): #0 0x00007f4f94f818b0 in nanosleep () from /lib64/libc.so.6 No symbol table info available. #1 0x00007f4f94af8f83 in UError::stackDump() () from /usr/src/ULib-1.4.2/src/ulib/.libs/libulib_g-1.4.2.so.1 No symbol table info available. #2 0x00007f4f94af932b in u_debug_at_exit.part () from /usr/src/ULib-1.4.2/src/ulib/.libs/libulib_g-1.4.2.so.1 No symbol table info available. #3 0x00007f4f94b0d4ce in u.printf () from /usr/src/ULib-1.4.2/src/ulib/.libs/libulib_g-1.4.2.so.1 No symbol table info available. #4 0x00007f4f94aaf114 in UString::UString(void*, unsigned int) [clone .lto_priv.325] () from /usr/src/ULib-1.4.2/src/ulib/.libs/libulib_g-1.4.2.so.1 No symbol table info available. #5 0x00007f4f94ab3bc5 in UStringExt::BIOtoString(bio_st*) () from /usr/src/ULib-1.4.2/src/ulib/.libs/libulib_g-1.4.2.so.1 No symbol table info available. #6 0x00007f4f949b4e3c in UPKCS7::getContent(bool*) const () from /usr/src/ULib-1.4.2/src/ulib/.libs/libulib_g-1.4.2.so.1 No symbol table info available. #7 0x0000000000408b82 in PEC_report::readContent() () No symbol table info available. #8 0x0000000000411098 in PEC_report::processFile(UStringRep*, void*) () No symbol table info available. #9 0x00007f4f94a9e4b6 in UHashMap::_callForAllEntrySorted(bool (*)(UStringRep*, void*)) () from /usr/src/ULib-1.4.2/src/ulib/.libs/libulib_g-1.4.2.so.1 No symbol table info available. #10 0x0000000000405895 in main () No symbol table info available.