warning: Probes-based dynamic linker interface failed. Reverting to original interface.
I'm guessing the above quote is related to the following then happening. The breakpoint was not hit, so I interrupted execution to try to quickly find the outer code executing: (gdb) cont Continuing. ^C Program received signal SIGINT, Interrupt. 0x00007ffff7ed54f8 in ?? () (gdb) n Cannot find bounds of current function (gdb) Cannot find bounds of current function (gdb) ni 0x00007ffff7ed54fa in ?? () (gdb) I hit 'enter' a few times, and the instruction pointer advanced, but debugging ended up terminating for some reason when I tried to skip to the next ret, very strange: ... (gdb) 0x00007ffff7ed53e6 in ?? () (gdb) 0x00007ffff7ed53e7 in ?? () (gdb) fini Run till exit from #0 0x00007ffff7ed53e7 in ?? () free(): invalid pointer Program received signal SIGABRT, Aborted. 0x00007ffff7a7700b in ?? () so i ran "run" again to try another approach to the issue. valgrind is still chunking away.