postgres.git / summary / log / commit / refs
commit 6c00b2bbf7726efdf7d96ad5c9e9ef0450d2a150
Author: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Date: Tue Oct 02 07:43:48 2012 +0000
Fix access past end of string in date parsing.
This affects date_in(), and a couple of other funcions that use DecodeDate().
Hitoshi Harada
src/backend/utils/adt/datetime.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/backend/utils/adt/datetime.c b/src/backend/utils/adt/datetime.c
index a3be406b684..e4866ce26c0 100644
--- a/src/backend/utils/adt/datetime.c
+++ b/src/backend/utils/adt/datetime.c
@@ -2169,9 +2169,12 @@ DecodeDate(char *str, int fmask, int *tmask, bool *is2digits,
while (*str != '\0' && nf < MAXDATEFIELDS)
{
/* skip field separators */
- while (!isalnum((unsigned char) *str))
+ while (*str != '\0' && !isalnum((unsigned char) *str))
str++;
+ if (*str == '\0')
+ return DTERR_BAD_FORMAT; /* end of string after separator */
+
field[nf] = str;
if (isdigit((unsigned char) *str))
{
[parent: d617b28c6cc3]