3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
[ Upstream commit 640d7efe4c08f06c4ae5d31b79bd8740e7f6790a ]
*_result[len] is parsed as *(_result[len]) which is not at all what we
want to touch here.
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Fixes: 84a7c0b1db1c ("dns_resolver: assure that dns_query() result is null-terminated")
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/dns_resolver/dns_query.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/dns_resolver/dns_query.c
+++ b/net/dns_resolver/dns_query.c
@@ -151,7 +151,7 @@ int dns_query(const char *type, const ch
goto put;
memcpy(*_result, upayload->data, len);
- *_result[len] = '\0';
+ (*_result)[len] = '\0';
if (_expiry)
*_expiry = rkey->expiry;
--
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