On Sun, Oct 28, Aneesh Kumar K.V wrote: > > the below diff fix the same. > > diff --git a/blktrace.c b/blktrace.c > index 42613a7..4f4fcde 100644 > --- a/blktrace.c > +++ b/blktrace.c > @@ -1220,6 +1220,7 @@ static int start_devices(void) > size = ncpus * sizeof(struct thread_information); > thread_information = malloc(size * ndevs); > + memset(thread_information, 0, size*ndevs); > if (!thread_information) { > fprintf(stderr, "Out of memory, threads (%d)\n", size * ndevs); > return 1; I'm pretty sure you want to make the memset after the NULL-pointer check. If malloc fails this is segfaulting too. - To unsubscribe from this list: send the line "unsubscribe linux-btrace" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html