notes: don't access hash of NULL object_id pointer

diff --git a/fsck.c b/fsck.c
index 90857e122d8be640469dba29894e65ac53d71692..b4204d772b39335c5feb5c85a11c517bcedcd562 100644 (file)
--- a/fsck.c
+++ b/fsck.c
@@ -691,7 +691,7 @@ static int fsck_ident(const char **ident, struct object *obj, struct fsck_option
        p++;
        if (*p == '0' && p[1] != ' ')
                return report(options, obj, FSCK_MSG_ZERO_PADDED_DATE, "invalid author/committer line - zero-padded date");
-       if (date_overflows(strtoul(p, &end, 10)))
+       if (date_overflows(parse_timestamp(p, &end, 10)))
                return report(options, obj, FSCK_MSG_BAD_DATE_OVERFLOW, "invalid author/committer line - date causes integer overflow");
        if ((end == p || *end != ' '))
                return report(options, obj, FSCK_MSG_BAD_DATE, "invalid author/committer line - bad date");