From 66b6a2598b599afe874efe15bec4cdcb34f7ee79 Mon Sep 17 00:00:00 2001

From: =?UTF-8?q?Marco=20Trevisan=20=28Trevi=C3=B1o=29?= <mail@3v1n0.net>

Date: Fri, 22 Nov 2019 18:03:08 +0100

Subject: [PATCH 056/181] fpi-ssm: Also bug-on negative state value

Being an integer, anything could happen.

---

 libfprint/fpi-ssm.c | 2 +-

 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libfprint/fpi-ssm.c b/libfprint/fpi-ssm.c

index 5367e32..5299e2d 100644

--- a/libfprint/fpi-ssm.c

+++ b/libfprint/fpi-ssm.c

@@ -317,7 +317,7 @@ void

 fpi_ssm_jump_to_state (FpiSsm *machine, int state)

 {

   BUG_ON (machine->completed);

-  BUG_ON (state >= machine->nr_states);

+  BUG_ON (state < 0 || state >= machine->nr_states);

   machine->cur_state = state;

   __ssm_call_handler (machine);

 }

-- 

2.24.1