[PATCH] test: fix 32 bit overflow in pcapng test
Stephen Hemminger
stephen at networkplumber.org
Thu Jul 18 19:42:31 CEST 2024
The conversion from seconds to nanoseconds in the pcapng test
would overflow on 32 bit platforms leading to this test failing.
Reported-by: Luca Boccassi <bluca at debian.org>
Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
---
app/test/test_pcapng.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/app/test/test_pcapng.c b/app/test/test_pcapng.c
index 89535efad0..2665b08c76 100644
--- a/app/test/test_pcapng.c
+++ b/app/test/test_pcapng.c
@@ -235,7 +235,7 @@ parse_pcap_packet(u_char *user, const struct pcap_pkthdr *h,
* but the file is open in nanonsecond mode therefore
* the timestamp is really in timespec (ie. nanoseconds).
*/
- ns = h->ts.tv_sec * NS_PER_S + h->ts.tv_usec;
+ ns = (uint64_t)h->ts.tv_sec * NS_PER_S + h->ts.tv_usec;
if (ns < ctx->start_ns || ns > ctx->end_ns) {
char tstart[128], tend[128];
--
2.43.0
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