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Fix double-free related to std::unique_ptr use #415

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Merged
stesie merged 4 commits into from
Jun 21, 2019
Merged

Fix double-free related to std::unique_ptr use #415

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30e2ac6
Call v8::RegisterExtension using unique_ptr
jalr May 10, 2019
c8be053
Add use_custom_libcxx flag
jalr May 10, 2019
93a46f6
don't manage/free v8::Extension* (v8 does that now)
stesie Jun 21, 2019
bac8a96
(travis) use v8 7.5
stesie Jun 21, 2019
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6 changes: 3 additions & 3 deletions .travis.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -5,11 +5,11 @@ services:
- docker

env:
- V8VER=7.1
- V8VER=7.5
PHPVER=7.0
- V8VER=7.1
- V8VER=7.5
PHPVER=7.1
- V8VER=7.1
- V8VER=7.5
PHPVER=7.2

script: make -f Makefile.travis test
2 changes: 1 addition & 1 deletion Makefile.travis
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@@ -1,5 +1,5 @@
# Configure and build scripts for travis CI system
V8VER ?= 7.1
V8VER ?= 7.5

IMAGENAME ?= v8js-test

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2 changes: 1 addition & 1 deletion README.Linux.md
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Expand Up @@ -55,7 +55,7 @@ git checkout 6.4.388.18
gclient sync

# Setup GN
tools/dev/v8gen.py -vv x64.release -- is_component_build=true
tools/dev/v8gen.py -vv x64.release -- is_component_build=true use_custom_libcxx=false

# Build
ninja -C out.gn/x64.release/
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8 changes: 3 additions & 5 deletions v8js_class.cc
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Expand Up @@ -67,7 +67,6 @@ struct v8js_jsext {
int deps_count;
zend_string *name;
zend_string *source;
v8::Extension *extension;
};
/* }}} */

Expand Down Expand Up @@ -272,7 +271,6 @@ static void v8js_jsext_free_storage(v8js_jsext *jsext) /* {{{ */
if (jsext->deps) {
v8js_free_ext_strarr(jsext->deps, jsext->deps_count);
}
delete jsext->extension;

// Free the persisted non-interned strings we allocated.
if (jsext->name) {
Expand Down Expand Up @@ -1054,7 +1052,7 @@ static int v8js_register_extension(zend_string *name, zend_string *source, zval
zend_hash_copy(jsext->deps_ht, Z_ARRVAL_P(deps_arr), v8js_persistent_zval_ctor);
}

jsext->extension = new v8::Extension(ZSTR_VAL(jsext->name), ZSTR_VAL(jsext->source), jsext->deps_count, jsext->deps);
v8::Extension *extension = new v8::Extension(ZSTR_VAL(jsext->name), ZSTR_VAL(jsext->source), jsext->deps_count, jsext->deps);

if (!zend_hash_add_ptr(v8js_process_globals.extensions, jsext->name, jsext)) {
v8js_jsext_free_storage(jsext);
Expand All @@ -1068,8 +1066,8 @@ static int v8js_register_extension(zend_string *name, zend_string *source, zval
v8js_process_globals.lock.unlock();
#endif

jsext->extension->set_auto_enable(auto_enable ? true : false);
v8::RegisterExtension(jsext->extension);
extension->set_auto_enable(auto_enable ? true : false);
v8::RegisterExtension(std::unique_ptr<v8::Extension>(extension));

return SUCCESS;
}
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