Review at  https://gerrit.osmocom.org/4729

mobile/gsm322.c: prevent buffer over-/under-run

Change-Id: Ic12587a6c6456b8663e5357cf68a22c6d1927a07
---
M src/host/layer23/src/mobile/gsm322.c
1 file changed, 3 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmocom-bb refs/changes/29/4729/1

diff --git a/src/host/layer23/src/mobile/gsm322.c 
b/src/host/layer23/src/mobile/gsm322.c
index 887a0ee..b1e0362 100644
--- a/src/host/layer23/src/mobile/gsm322.c
+++ b/src/host/layer23/src/mobile/gsm322.c
@@ -322,6 +322,9 @@
        else
                value -= min;
 
+       /* Prevent 'bar' buffer over-/under-run */
+       OSMO_ASSERT(value > 0 && value < 128);
+
        /* Prevent calling memset() with zero length */
        if (value == 0)
                return "";

-- 
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Gerrit-MessageType: newchange
Gerrit-Change-Id: Ic12587a6c6456b8663e5357cf68a22c6d1927a07
Gerrit-PatchSet: 1
Gerrit-Project: osmocom-bb
Gerrit-Branch: master
Gerrit-Owner: Vadim Yanitskiy <axilira...@gmail.com>

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