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* gc.c (rb_gc_unprotect_logging): throw rb_memerror when it cannot

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allocate memory. This is pointed out by Facebook's Infer.

* gc.c (gc_prof_setup_new_record): ditto.

* regparse.c (parse_regexp): ditto.

* util.c (MALLOC): use xmalloc and xfree like above.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54954 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse 2016-05-08 17:52:38 +00:00
parent 6db71fb11a
commit b3935f179b
4 changed files with 22 additions and 4 deletions
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11
ChangeLog
View file

@ -1,3 +1,14 @@
Mon May 9 02:51:51 2016 NARUSE, Yui <naruse@ruby-lang.org>
* gc.c (rb_gc_unprotect_logging): throw rb_memerror when it cannot
allocate memory. This is pointed out by Facebook's Infer.
* gc.c (gc_prof_setup_new_record): ditto.
* regparse.c (parse_regexp): ditto.
* util.c (MALLOC): use xmalloc and xfree like above.
Mon May 9 02:39:16 2016 NARUSE, Yui <naruse@ruby-lang.org>
* configure.in: check function attirbute const and pure,

6
gc.c
View file

@ -5962,6 +5962,7 @@ rb_gc_unprotect_logging(void *objptr, const char *filename, int line)
}
else {
ptr = (char *)malloc(strlen(buff) + 1);
if (!ptr) rb_memerror();
strcpy(ptr, buff);
}
st_insert(rgengc_unprotect_logging_table, (st_data_t)ptr, cnt);
@ -8523,8 +8524,11 @@ gc_prof_setup_new_record(rb_objspace_t *objspace, int reason)
objspace->profile.records = malloc(sizeof(gc_profile_record) * objspace->profile.size);
}
if (index >= objspace->profile.size) {
void *ptr;
objspace->profile.size += 1000;
objspace->profile.records = realloc(objspace->profile.records, sizeof(gc_profile_record) * objspace->profile.size);
ptr = realloc(objspace->profile.records, sizeof(gc_profile_record) * objspace->profile.size);
if (!ptr) rb_memerror();
objspace->profile.records = ptr;
}
if (!objspace->profile.records) {
rb_bug("gc_profile malloc or realloc miss");

5
regparse.c
View file

@ -6460,7 +6460,10 @@ parse_regexp(Node** top, UChar** src, UChar* end, ScanEnv* env)
NENCLOSE(np)->regnum = num;
NENCLOSE(np)->target = *top;
r = scan_env_set_mem_node(env, num, np);
if (r != 0) return r;
if (r != 0) {
onig_node_free(np);
return r;
}
*top = np;
}
#endif

4
util.c
View file

@ -748,12 +748,12 @@ ruby_getcwd(void)
#ifdef MALLOC
extern void *MALLOC(size_t);
#else
#define MALLOC malloc
#define MALLOC xmalloc
#endif
#ifdef FREE
extern void FREE(void*);
#else
#define FREE free
#define FREE xfree
#endif
#ifndef Omit_Private_Memory