[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 31/39] ivshmem-client: check the number of vectors
From: |
Marc-André Lureau |
Subject: |
[Qemu-devel] [PATCH 31/39] ivshmem-client: check the number of vectors |
Date: |
Fri, 26 Jun 2015 16:49:37 +0200 |
Check the number of vectors received from the server, to avoid
out of bound array access.
Signed-off-by: Marc-André Lureau <address@hidden>
---
contrib/ivshmem-client/ivshmem-client.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/contrib/ivshmem-client/ivshmem-client.c
b/contrib/ivshmem-client/ivshmem-client.c
index 11c805c..01e24a7 100644
--- a/contrib/ivshmem-client/ivshmem-client.c
+++ b/contrib/ivshmem-client/ivshmem-client.c
@@ -128,6 +128,10 @@ ivshmem_client_handle_server_msg(IvshmemClient *client)
/* new vector */
IVSHMEM_CLIENT_DEBUG(client, " new vector %d (fd=%d) for peer id %ld\n",
peer->vectors_count, fd, peer->id);
+ if (peer->vectors_count >= G_N_ELEMENTS(peer->vectors)) {
+ return -1;
+ }
+
peer->vectors[peer->vectors_count] = fd;
peer->vectors_count++;
--
2.4.3
- [Qemu-devel] [PATCH 20/39] ivshmem: use common return, (continued)
- [Qemu-devel] [PATCH 20/39] ivshmem: use common return, Marc-André Lureau, 2015/06/26
- [Qemu-devel] [PATCH 22/39] ivshmem: migrate with VMStateDescription, Marc-André Lureau, 2015/06/26
- [Qemu-devel] [PATCH 21/39] ivshmem: use common is_power_of_2(), Marc-André Lureau, 2015/06/26
- [Qemu-devel] [PATCH 24/39] ivshmem: check shm isn't already initialized, Marc-André Lureau, 2015/06/26
- [Qemu-devel] [PATCH 23/39] ivshmem: shmfd can be 0, Marc-André Lureau, 2015/06/26
- [Qemu-devel] [PATCH 25/39] ivshmem: add device description, Marc-André Lureau, 2015/06/26
- [Qemu-devel] [PATCH 26/39] ivshmem: fix pci_ivshmem_exit(), Marc-André Lureau, 2015/06/26
- [Qemu-devel] [PATCH 28/39] ivshmem: error on too many eventfd received, Marc-André Lureau, 2015/06/26
- [Qemu-devel] [PATCH 27/39] ivshmem: replace 'guest' for 'peer' appropriately, Marc-André Lureau, 2015/06/26
- [Qemu-devel] [PATCH 29/39] ivshmem: reset mask on device reset, Marc-André Lureau, 2015/06/26
- [Qemu-devel] [PATCH 31/39] ivshmem-client: check the number of vectors,
Marc-André Lureau <=
- [Qemu-devel] [PATCH 32/39] ivshmem-server: use a uint16 for client ID, Marc-André Lureau, 2015/06/26
- [Qemu-devel] [PATCH 33/39] ivshmem-server: include necessary headers, Marc-André Lureau, 2015/06/26
- [Qemu-devel] [PATCH 30/39] contrib: add ivshmem client and server, Marc-André Lureau, 2015/06/26
- [Qemu-devel] [PATCH 34/39] docs: update ivshmem device spec, Marc-André Lureau, 2015/06/26
- [Qemu-devel] [PATCH 36/39] contrib: remove unnecessary strdup(), Marc-André Lureau, 2015/06/26
- [Qemu-devel] [PATCH 35/39] ivshmem: add check on protocol version in QEMU, Marc-André Lureau, 2015/06/26
- [Qemu-devel] [PATCH 37/39] msix: implement read-only pba write, Marc-André Lureau, 2015/06/26
- [Qemu-devel] [PATCH 38/39] qtest: add qtest_add_abrt_handler(), Marc-André Lureau, 2015/06/26