retronetworking
/
mISDNuser
13
0
Fork 0
Code Pull Requests Releases Activity

Some debug to detect use after free

This commit is contained in:
Karsten Keil 2014-10-03 16:48:15 +02:00
parent ed6c40581e
commit 70c61ca931
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
capi20/capi_obj.c
View File

@ -364,6 +364,8 @@ struct mCAPIobj *get_cobj(struct mCAPIobj *co)
return NULL;
}
}
if (co->freeing)
cobj_err("Currently freeing %s refcnt: %d\n", CAPIobjIDstr(co), co->refcnt);
co->refcnt++;
coref_dbg("%s\n", CAPIobjIDstr(co));
if (co->parent)
@ -383,6 +385,8 @@ int put_cobj(struct mCAPIobj *co)
int ret = -ENODEV;
if (co) {
if (co->freeing)
cobj_err("Currently freeing %s refcnt: %d\n", CAPIobjIDstr(co), co->refcnt);
p = co->parent;
if (p) {
pthread_rwlock_wrlock(&p->lock);
@ -440,6 +444,8 @@ struct mCAPIobj *get_next_cobj(struct mCAPIobj *parent, struct mCAPIobj *cur)
coref_dbg("%s: next %s\n", CAPIobjIDstr(cur), CAPIobjIDstr(next));
}
pthread_rwlock_unlock(&parent->lock);
if (parent->freeing)
cobj_err("Currently freeing %s refcnt: %d Next: %s\n", CAPIobjIDstr(parent), parent->refcnt, CAPIobjIDstr(next));
} else
next = NULL;
if (cur) {