From e749267909f879ac3e8b8cf681c2c6067d056a96 Mon Sep 17 00:00:00 2001 From: "Yukihiro \"Matz\" Matsumoto" Date: Wed, 2 Jul 2014 10:28:10 +0900 Subject: time overflow check; ref #2337 --- mrbgems/mruby-time/src/time.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'mrbgems/mruby-time') diff --git a/mrbgems/mruby-time/src/time.c b/mrbgems/mruby-time/src/time.c index 410b36173..d111ca29c 100644 --- a/mrbgems/mruby-time/src/time.c +++ b/mrbgems/mruby-time/src/time.c @@ -201,6 +201,13 @@ time_alloc(mrb_state *mrb, double sec, double usec, enum mrb_timezone timezone) tm = (struct mrb_time *)mrb_malloc(mrb, sizeof(struct mrb_time)); tm->sec = (time_t)sec; + if (sizeof(time_t) == 4 && (sec > (double)INT32_MAX || (double)INT32_MIN > sec)) { + goto out_of_range; + } + else if ((sec > 0 && tm->sec < 0) || (sec < 0 && (double)tm->sec > sec)) { + out_of_range: + mrb_raisef(mrb, E_ARGUMENT_ERROR, "%S out of Time range", mrb_float_value(mrb, sec)); + } tm->usec = (time_t)((sec - tm->sec) * 1.0e6 + usec); while (tm->usec < 0) { tm->sec--; -- cgit v1.2.3