diff options
Diffstat (limited to 'Fix-subscript-error-with-odd-TZif-file-BZ-28338.patch')
| -rw-r--r-- | Fix-subscript-error-with-odd-TZif-file-BZ-28338.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/Fix-subscript-error-with-odd-TZif-file-BZ-28338.patch b/Fix-subscript-error-with-odd-TZif-file-BZ-28338.patch new file mode 100644 index 0000000..3825b15 --- /dev/null +++ b/Fix-subscript-error-with-odd-TZif-file-BZ-28338.patch @@ -0,0 +1,31 @@ +From 645277434a42efc547d2cac8bfede4da10b4049f Mon Sep 17 00:00:00 2001 +From: Paul Eggert <eggert@cs.ucla.edu> +Date: Mon, 13 Sep 2021 22:49:45 -0700 +Subject: [PATCH] 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> +--- + time/tzfile.c | 3 +-- + 1 file changed, 1 insertion(+), 2 deletions(-) + +diff --git a/time/tzfile.c b/time/tzfile.c +index 4377018..190a777 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 +-- +1.8.3.1 + |