On Sat, Dec 4, 2021 at 1:53 AM Yafang Shao <laoar.shao@xxxxxxxxx> wrote: > diff --git a/samples/bpf/tracex2_user.c b/samples/bpf/tracex2_user.c > index 1626d51dfffd..b728a946d83d 100644 > --- a/samples/bpf/tracex2_user.c > +++ b/samples/bpf/tracex2_user.c > @@ -12,6 +12,7 @@ > > #define MAX_INDEX 64 > #define MAX_STARS 38 > +#define TASK_COMM_LEN 16 > > /* my_map, my_hist_map */ > static int map_fd[2]; > @@ -28,7 +29,7 @@ static void stars(char *str, long val, long max, int width) > } > > struct task { > - char comm[16]; > + char comm[TASK_COMM_LEN]; Also Nack.