From 3f79a49dd29be1ea2a227304a496269711eea4d9 Mon Sep 17 00:00:00 2001
From: Brent Cook <bcook@openbsd.org>
Date: Wed, 21 Oct 2015 22:17:13 -0500
Subject: check bounds before casting (long long) to time_t

---
 crypto/compat/timegm.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'crypto')

diff --git a/crypto/compat/timegm.c b/crypto/compat/timegm.c
index 5a9e600..2658445 100644
--- a/crypto/compat/timegm.c
+++ b/crypto/compat/timegm.c
@@ -208,6 +208,12 @@ time_t timegm(struct tm *tm)
 		errno = EOVERFLOW;
 		return -1;
 	}
+#if SIZEOF_TIME_T != 8
+	if (t > (long long)INT_MAX || t < (long long)INT_MIN) {
+		errno = EOVERFLOW;
+		return -1;
+	}
+#endif
 	*tm = new;
 	tm->tm_isdst = 0;
 	return t;
-- 
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