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authorjwalch <jeremy.walch@gmail.com>2021-02-19 13:02:27 -0500
committerPauli <ppzgs1@gmail.com>2021-02-25 08:42:21 +1000
commit1102187a71f6aa8f72daf46c5d543c261b90c83b (patch)
tree857316d4a77239a8b7eb0a07bcf0e6cb95b92e44 /crypto
parent8df5cc3339d10f91ccb395650a83c031c2795742 (diff)
Fix an integer overflow in o_time.c
If input offset_sec is sufficiently large (> INT32_MAX * SECS_PER_DAY, which is possible for a long on 64-bit platforms), then the first assignment contains an overflow. I think leaving offset_hms as an int is still safe. Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Paul Dale <pauli@openssl.org> (Merged from https://github.com/openssl/openssl/pull/14252) (cherry picked from commit 75de54363506e2b2480fc6baf0cd45b1f7fc8816)
Diffstat (limited to 'crypto')
-rw-r--r--crypto/o_time.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/crypto/o_time.c b/crypto/o_time.c
index 3502edda62..6aafd67c46 100644
--- a/crypto/o_time.c
+++ b/crypto/o_time.c
@@ -133,8 +133,8 @@ int OPENSSL_gmtime_diff(int *pday, int *psec,
static int julian_adj(const struct tm *tm, int off_day, long offset_sec,
long *pday, int *psec)
{
- int offset_hms, offset_day;
- long time_jd;
+ int offset_hms;
+ long offset_day, time_jd;
int time_year, time_month, time_day;
/* split offset into days and day seconds */
offset_day = offset_sec / SECS_PER_DAY;