forked from rpms/glibc
28 lines
1.0 KiB
Diff
28 lines
1.0 KiB
Diff
commit 515a6f53cd984d5e6e374fbee52772f967fc3c73
|
|
Author: Paul Eggert <eggert@cs.ucla.edu>
|
|
Date: Mon Sep 13 22:49:45 2021 -0700
|
|
|
|
Fix subscript error with odd TZif file [BZ #28338]
|
|
|
|
* time/tzfile.c (__tzfile_compute): Fix unlikely off-by-one bug
|
|
that accessed before start of an array when an oddball-but-valid
|
|
TZif file was queried with an unusual time_t value.
|
|
|
|
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
|
|
(cherry picked from commit 645277434a42efc547d2cac8bfede4da10b4049f)
|
|
|
|
diff --git a/time/tzfile.c b/time/tzfile.c
|
|
index 4377018a55936389..190a777152b31cee 100644
|
|
--- a/time/tzfile.c
|
|
+++ b/time/tzfile.c
|
|
@@ -765,8 +765,7 @@ __tzfile_compute (__time64_t timer, int use_localtime,
|
|
*leap_correct = leaps[i].change;
|
|
|
|
if (timer == leaps[i].transition /* Exactly at the transition time. */
|
|
- && ((i == 0 && leaps[i].change > 0)
|
|
- || leaps[i].change > leaps[i - 1].change))
|
|
+ && (leaps[i].change > (i == 0 ? 0 : leaps[i - 1].change)))
|
|
{
|
|
*leap_hit = 1;
|
|
while (i > 0
|