1 files changed, 8 insertions, 0 deletions
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index 2a05961f4b..02e3dd9b2f 100644
--- a/hw/misc/ivshmem.c
+++ b/hw/misc/ivshmem.c
@@ -385,6 +385,9 @@ static void close_guest_eventfds(IVShmemState *s, int posn)
     if (!ivshmem_has_feature(s, IVSHMEM_IOEVENTFD)) {
         return;
     }
+    if (posn < 0 || posn >= s->nb_peers) {
+        return;
+    }
 
     guest_curr_max = s->peers[posn].nb_eventfds;
 
@@ -451,6 +454,11 @@ static void ivshmem_read(void *opaque, const uint8_t *buf, int size)
         }
     }
 
+    if (incoming_posn < -1) {
+        IVSHMEM_DPRINTF("invalid incoming_posn %ld\n", incoming_posn);
+        return;
+    }
+
     /* pick off s->server_chr->msgfd and store it, posn should accompany msg */
     tmp_fd = qemu_chr_fe_get_msgfd(s->server_chr);
     IVSHMEM_DPRINTF("posn is %ld, fd is %d\n", incoming_posn, tmp_fd);