max_key is a value in the 0-63 range, so on 32 bit systems the shift
could wrap.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/samples/bpf/lwt_len_hist_user.c b/samples/bpf/lwt_len_hist_user.c
index ec8f3bb..bd06eef 100644
--- a/samples/bpf/lwt_len_hist_user.c
+++ b/samples/bpf/lwt_len_hist_user.c
@@ -68,7 +68,7 @@ int main(int argc, char **argv)
for (i = 1; i <= max_key + 1; i++) {
stars(starstr, data[i - 1], max_value, MAX_STARS);
printf("%8ld -> %-8ld : %-8ld |%-*s|\n",
- (1l << i) >> 1, (1l << i) - 1, data[i - 1],
+ (1ULL << i) >> 1, (1ULL << i) - 1, data[i - 1],
MAX_STARS, starstr);
}
--
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