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svc.[ch]: Fix possible out of bounds and NULL ptr deref

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Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson committed 2014-04-12 16:41:20 +02:00
1 parent 1095724e5c
commit 71fff76111
2 files changed
+19 -18
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svc.h
+2 -2
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@@ -81,11 +81,11 @@ typedef struct svc_map svc_map_t;
/* Put services array in shm */
static inline svc_t *finit_svc_connect(void)
{
const long ID = FINIT_SHM_ID;
static void *ptr = (void *)-1;
if ((void *)-1 == ptr) {
ptr = shmat (shmget (ID, sizeof(svc_t) * MAX_NUM_SVC, 0600 | IPC_CREAT), NULL, 0);
ptr = shmat (shmget (FINIT_SHM_ID, sizeof(svc_t) * MAX_NUM_SVC,
0600 | IPC_CREAT), NULL, 0);
if ((void *)-1 == ptr)
return NULL;
}