From dc50eab76b709d68175a358d6e23a5a3890764d3 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 18 May 2024 19:39:57 +0200 Subject: Merging upstream version 6.7.7. Signed-off-by: Daniel Baumann --- tools/testing/selftests/bpf/prog_tests/lwt_helpers.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'tools/testing/selftests/bpf/prog_tests/lwt_helpers.h') diff --git a/tools/testing/selftests/bpf/prog_tests/lwt_helpers.h b/tools/testing/selftests/bpf/prog_tests/lwt_helpers.h index 61333f2a03..e9190574e7 100644 --- a/tools/testing/selftests/bpf/prog_tests/lwt_helpers.h +++ b/tools/testing/selftests/bpf/prog_tests/lwt_helpers.h @@ -49,7 +49,8 @@ static int open_tuntap(const char *dev_name, bool need_mac) return -1; ifr.ifr_flags = IFF_NO_PI | (need_mac ? IFF_TAP : IFF_TUN); - memcpy(ifr.ifr_name, dev_name, IFNAMSIZ); + strncpy(ifr.ifr_name, dev_name, IFNAMSIZ - 1); + ifr.ifr_name[IFNAMSIZ - 1] = '\0'; err = ioctl(fd, TUNSETIFF, &ifr); if (!ASSERT_OK(err, "ioctl(TUNSETIFF)")) { -- cgit v1.2.3