* tedheadster: > Here is the full disassembly with a few comments: > > (gdb) disassemble > Dump of assembler code for function rdrand: > 0xb7e21440 <+0>: push %esi > 0xb7e21441 <+1>: push %ebx > 0xb7e21442 <+2>: call 0xb7e0af5d <__x86.get_pc_thunk.si> > 0xb7e21447 <+7>: add $0x1acb39,%esi > 0xb7e2144d <+13>: mov 0x2870(%esi),%ecx > 0xb7e21453 <+19>: test %ecx,%ecx > 0xb7e21455 <+21>: js 0xb7e21480 <rdrand+64> > 0xb7e21457 <+23>: test %ecx,%ecx > 0xb7e21459 <+25>: je 0xb7e214e0 <rdrand+160> > 0xb7e2145f <+31>: rdrand %ecx <---- illegal instruction was > attempted here Can you capture register contents at the point of the crash? Does this reproduce in a chroot? Maybe you can trace the whole thing with a debugger. Does the crash reproduce if you single-step through the whole function?
