diff mbox series

[v3,1/2] sd: Fix out-of-bounds assertions

Message ID 6b19cb7359a10a6bedc3ea0fce22fed3ef93c102.1560806687.git.lidong.chen@oracle.com (mailing list archive)
State New, archived
Headers show
Series fix incorrect assertions in sd and main-loop | expand

Commit Message

Lidong Chen June 19, 2019, 7:14 p.m. UTC 
Due to an off-by-one error, the assert statements allow an
out-of-bound array access.

Signed-off-by: Lidong Chen <lidong.chen@oracle.com>
Reviewed-by: Liam Merwick <liam.merwick@oracle.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
---
 hw/sd/sd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index aaab15f..818f86c 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -144,7 +144,7 @@  static const char *sd_state_name(enum SDCardStates state)
     if (state == sd_inactive_state) {
         return "inactive";
     }
-    assert(state <= ARRAY_SIZE(state_name));
+    assert(state < ARRAY_SIZE(state_name));
     return state_name[state];
 }
 
@@ -165,7 +165,7 @@  static const char *sd_response_name(sd_rsp_type_t rsp)
     if (rsp == sd_r1b) {
         rsp = sd_r1;
     }
-    assert(rsp <= ARRAY_SIZE(response_name));
+    assert(rsp < ARRAY_SIZE(response_name));
     return response_name[rsp];
 }