From b7a357e92ebb7696cfb8117e1fc838d4e93f144e Mon Sep 17 00:00:00 2001 From: Ivan Grokhotov Date: Wed, 4 Nov 2020 13:30:58 -0500 Subject: [PATCH] Fix 32-bit integer overflow when calculating TZ rules --- newlib/libc/time/tzcalc_limits.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/newlib/libc/time/tzcalc_limits.c b/newlib/libc/time/tzcalc_limits.c index e0ea6549c..00044a5d3 100644 --- a/newlib/libc/time/tzcalc_limits.c +++ b/newlib/libc/time/tzcalc_limits.c @@ -66,7 +66,7 @@ __tzcalc_limits (int year) } /* store the change-over time in GMT form by adding offset */ - tz->__tzrule[i].change = days * SECSPERDAY + + tz->__tzrule[i].change = (time_t) days * SECSPERDAY + tz->__tzrule[i].s + tz->__tzrule[i].offset; } -- 2.43.5