sys-utils/ipcutils: be careful when call calloc() for uint64 nmembs

Fix: #1395 Signed-off-by: Karel Zak <kzak@redhat.com>
util-linux · Jul 27, 2021 · 1c9143d · 1c9143d
1 parent 03c3aae
commit 1c9143d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/sys-utils/ipcutils.c b/sys-utils/ipcutils.c
@@ -218,7 +218,7 @@ static void get_sem_elements(struct sem_data *p)
 {
 	size_t i;
 
-	if (!p || !p->sem_nsems || p->sem_perm.id < 0)
+	if (!p || !p->sem_nsems || p->sem_nsems > SIZE_MAX || p->sem_perm.id < 0)
 		return;
 
 	p->elements = xcalloc(p->sem_nsems, sizeof(struct sem_elem));