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* proc.c (proc_binding): fix segmentation fault on marking phase.

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envptr of newenvval should not be NULL.

  You can reproduce by
   make test-all TESTS='--gc-stress -n test_to_proc_binding ruby/test_method.rb'

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50461 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ktsj 2015-05-10 07:29:44 +00:00
parent d88957abad
commit 280d4c3733
2 changed files with 12 additions and 3 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
Sun May 10 16:23:58 2015 Kazuki Tsujimoto <kazuki@callcc.net>
* proc.c (proc_binding): fix segmentation fault on marking phase.
envptr of newenvval should not be NULL.
You can reproduce by
make test-all TESTS='--gc-stress -n test_to_proc_binding ruby/test_method.rb'
Sun May 10 12:41:18 2015 Masaki Matsushita <glass.saga@gmail.com>
* ext/zlib/zlib.c (rb_gzreader_external_encoding):

7
proc.c
View file

@ -2510,15 +2510,16 @@ proc_binding(VALUE self)
if (iseq && env->local_size < iseq->local_size) {
int prev_local_size = env->local_size;
int local_size = iseq->local_size;
VALUE newenvval = TypedData_Wrap_Struct(RBASIC_CLASS(envval), RTYPEDDATA_TYPE(envval), 0);
rb_env_t *newenv = xmalloc(sizeof(rb_env_t) + ((local_size + 1) * sizeof(VALUE)));
RTYPEDDATA_DATA(newenvval) = newenv;
rb_env_t *newenv;
VALUE newenvval;
newenv = xmalloc(sizeof(rb_env_t) + ((local_size + 1) * sizeof(VALUE)));
newenv->env_size = local_size + 2;
newenv->local_size = local_size;
newenv->prev_envval = env->prev_envval;
newenv->block = env->block;
MEMCPY(newenv->env, env->env, VALUE, prev_local_size + 1);
rb_mem_clear(newenv->env + prev_local_size + 1, local_size - prev_local_size);
newenvval = TypedData_Wrap_Struct(RBASIC_CLASS(envval), RTYPEDDATA_TYPE(envval), newenv);
newenv->env[local_size + 1] = newenvval;
envval = newenvval;
}