Making an ubus call iwinfo countrylist '{"device":"radio0"}' will result
in some entries having garbage uninitialized stack bytes in the "code"
fields.
With this patch we zero-initialize the buffer that libiwinfo writes to,
making it NUL-terminated so that behavior doesn't happen anymore.
Signed-off-by: Denis Osvald <denis.osv...@sartura.hr>
---
iwinfo.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/iwinfo.c b/iwinfo.c
index 325c07a..b24d0f5 100644
--- a/iwinfo.c
+++ b/iwinfo.c
@@ -588,7 +588,7 @@ rpc_iwinfo_countrylist(struct ubus_context *ctx, struct
ubus_object *obj,
int rv, len;
char cur[3];
char iso3166[3];
- char res[IWINFO_BUFSIZE];
+ char res[IWINFO_BUFSIZE] = {0};
const char *ccode;
const struct iwinfo_iso3166_label *l;
void *c, *d;
--
2.8.2
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