diff options
| -rw-r--r-- | qga/commands-posix.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/qga/commands-posix.c b/qga/commands-posix.c index c349d4bde2..675f4b4c66 100644 --- a/qga/commands-posix.c +++ b/qga/commands-posix.c @@ -154,6 +154,8 @@ void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp) /* If user has passed a time, validate and set it. */ if (has_time) { + GDate date = { 0, }; + /* year-2038 will overflow in case time_t is 32bit */ if (time_ns / 1000000000 != (time_t)(time_ns / 1000000000)) { error_setg(errp, "Time %" PRId64 " is too large", time_ns); @@ -162,6 +164,11 @@ void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp) tv.tv_sec = time_ns / 1000000000; tv.tv_usec = (time_ns % 1000000000) / 1000; + g_date_set_time_t(&date, tv.tv_sec); + if (date.year < 1970 || date.year >= 2070) { + error_setg_errno(errp, errno, "Invalid time"); + return; + } ret = settimeofday(&tv, NULL); if (ret < 0) { |