Review at https://gerrit.osmocom.org/3521
osmux: Fix buffer overflow in osmux_snprintf
When running osmux_test on my PC, the process was aborted with a "stack
smashing detected" error.
Change-Id: I8a7cc422c181c0c5712ac8976a5be5f0ad44a9c0
---
M src/osmux.c
1 file changed, 1 insertion(+), 1 deletion(-)
git pull ssh://gerrit.osmocom.org:29418/libosmo-netif refs/changes/21/3521/1
diff --git a/src/osmux.c b/src/osmux.c
index 23a6440..2481d6a 100644
--- a/src/osmux.c
+++ b/src/osmux.c
@@ -847,7 +847,7 @@
}
#define SNPRINTF_BUFFER_SIZE(ret, size, len, offset) \
- size += ret; \
+ size -= ret; \
if (ret > len) \
ret = len; \
offset += ret; \
--
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I8a7cc422c181c0c5712ac8976a5be5f0ad44a9c0
Gerrit-PatchSet: 1
Gerrit-Project: libosmo-netif
Gerrit-Branch: master
Gerrit-Owner: Pau Espin Pedrol <[email protected]>
