From 6a796cb4ccd53a35c93c89c1074d556186207966 Mon Sep 17 00:00:00 2001 From: "Yukihiro \"Matz\" Matsumoto" Date: Wed, 17 Jun 2015 09:19:09 +0900 Subject: Added a check for 64 bit time_t overflow; based on a patch from @kext; close #2836 --- mrbgems/mruby-time/src/time.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/mrbgems/mruby-time/src/time.c b/mrbgems/mruby-time/src/time.c index da3451d22..081e84c1c 100644 --- a/mrbgems/mruby-time/src/time.c +++ b/mrbgems/mruby-time/src/time.c @@ -201,11 +201,14 @@ time_alloc(mrb_state *mrb, double sec, double usec, enum mrb_timezone timezone) struct mrb_time *tm; 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)) { + if (sizeof(time_t) == 8 && (sec > (double)INT64_MAX || (double)INT64_MIN > sec)) { + goto out_of_range; + } + tm->sec = (time_t)sec; + 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)); } -- cgit v1.2.3