3.2.64-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Eliad Peller <eliad@xxxxxxxxxx>
commit a5fe8e7695dc3f547e955ad2b662e3e72969e506 upstream.
alpha2 is defined as 2-chars array, but is used in multiple
places as string (e.g. with nla_put_string calls), which
might leak kernel data.
Solve it by simply adding an extra char for the NULL
terminator, making such operations safe.
Signed-off-by: Eliad Peller <eliadx.peller@xxxxxxxxx>
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
include/net/regulatory.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/include/net/regulatory.h
+++ b/include/net/regulatory.h
@@ -92,7 +92,7 @@ struct ieee80211_reg_rule {
struct ieee80211_regdomain {
u32 n_reg_rules;
- char alpha2[2];
+ char alpha2[3];
struct ieee80211_reg_rule reg_rules[];
};
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