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* thread.c (update_coverage): Do not track coverage in loaded files

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after Coverage.result. Avoids out-of-bounds access. [Bug #12237]
* ext/coverage/coverage.c (coverage_clear_result_i): document.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54465 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
eregon 2016-03-31 16:14:52 +00:00
parent f0060b81c6
commit 8dd2435877
3 changed files with 9 additions and 1 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
Fri Apr 1 01:13:55 2016 Benoit Daloze <eregontp@gmail.com>
* thread.c (update_coverage): Do not track coverage in loaded files
after Coverage.result. Avoids out-of-bounds access. [Bug #12237]
* ext/coverage/coverage.c (coverage_clear_result_i): document.
Thu Mar 31 19:16:16 2016 Koichi Sasada <ko1@atdot.net>
* gc.c: need to set initial value of GC_HEAP_FREE_SLOTS_GOAL_RATIO.

1
ext/coverage/coverage.c
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@ -32,6 +32,7 @@ rb_coverage_start(VALUE klass)
return Qnil;
}
/* Make coverage arrays empty so old covered files are no longer tracked. */
static int
coverage_clear_result_i(st_data_t key, st_data_t val, st_data_t h)
{

2
thread.c
View file

@ -4777,7 +4777,7 @@ update_coverage(rb_event_flag_t event, VALUE proc, VALUE self, ID id, VALUE klas
if (RB_TYPE_P(coverage, T_ARRAY) && !RBASIC_CLASS(coverage)) {
long line = rb_sourceline() - 1;
long count;
if (RARRAY_AREF(coverage, line) == Qnil) {
if (line >= RARRAY_LEN(coverage)) { /* no longer tracked */
return;
}
count = FIX2LONG(RARRAY_AREF(coverage, line)) + 1;