if (prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) == -1) {
PLOG(ERROR) << "prctl(PR_SET_DUMPABLE) failed for pid " << getpid();
}
+
+ // Even if Yama is on a non-privileged native debugger should
+ // be able to attach to the debuggable app.
+ if (prctl(PR_SET_PTRACER, PR_SET_PTRACER_ANY, 0, 0, 0) == -1) {
+ // if Yama is off prctl(PR_SET_PTRACER) returns EINVAL - don't log in this
+ // case since it's expected behaviour.
+ if (errno != EINVAL) {
+ PLOG(ERROR) << "prctl(PR_SET_PTRACER, PR_SET_PTRACER_ANY) failed for pid " << getpid();
+ }
+ }
#endif
// We don't want core dumps, though, so set the core dump size to 0.
rlimit rl;