From: manish.r <manish.r@samsung.com>
Date: Fri, 24 Sep 2021 11:16:32 +0000 (+0530)
Subject: Check Packet double free
X-Git-Tag: submit/tizen/20210924.114137^0
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4a64ec4e9e5f53170040cb7ab82420536751231c;p=sdk%2Ftarget%2Fsdbd.git

Check Packet double free

Change-Id: I23a7c79bf9f2ca44f4081624f7a5f646b1255f7a
Signed-off-by: manish.r <manish.r@samsung.com>
---

diff --git a/src/sdb.c b/src/sdb.c
index 29ed3a8..6db537c 100755
--- a/src/sdb.c
+++ b/src/sdb.c
@@ -389,6 +389,11 @@ apacket *get_apacket(void)
 
 void put_apacket(apacket *p)
 {
+    int result = access((const char *) p, F_OK);
+    if ((result == -1) && (errno == EFAULT)) {
+        E("Invalid apacket = [0x%p]", p);
+        fatal("Invalid apacket = [0x%p]", p);
+    }
     if (p != NULL) {
         free(p);
         p = NULL;