[tz] [PROPOSED PATCH 2/5] * localtime.c (tzload): Reject files with out-of-order transitions.

--- localtime.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/localtime.c b/localtime.c index a1e6601..a3d6263 100644 --- a/localtime.c +++ b/localtime.c @@ -408,7 +408,9 @@ tzload(register const char *name, register struct state *const sp, time_t attime = ((TYPE_SIGNED(time_t) ? at < time_t_min : at < 0) ? time_t_min : at); - if (timecnt && sp->ats[timecnt - 1] == attime) { + if (timecnt && attime <= sp->ats[timecnt - 1]) { + if (attime < sp->ats[timecnt - 1]) + goto oops; sp->types[i - 1] = 0; timecnt--; } -- 1.9.1