---

yaml --- r: 377009 b: refs/heads/master c: ed13998 h: refs/heads/master i: 377007: 8395ea5 v: v3
git-mirror · Jun 11, 2013 · 5ea06fa · 5ea06fa
1 parent 47b6df8
commit 5ea06fa
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Showing 4 changed files with 10 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 92bb73ea2c434618a68a58a2f3a5c3fd0b660d18
+refs/heads/master: ed13998c319b050fc9abdb73915859dfdbe1fb38
diff --git a/trunk/include/linux/filter.h b/trunk/include/linux/filter.h
@@ -46,6 +46,7 @@ extern int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk);
 extern int sk_detach_filter(struct sock *sk);
 extern int sk_chk_filter(struct sock_filter *filter, unsigned int flen);
 extern int sk_get_filter(struct sock *sk, struct sock_filter __user *filter, unsigned len);
+extern void sk_decode_filter(struct sock_filter *filt, struct sock_filter *to);
 
 #ifdef CONFIG_BPF_JIT
 #include <stdarg.h>

diff --git a/trunk/net/core/filter.c b/trunk/net/core/filter.c
@@ -778,7 +778,7 @@ int sk_detach_filter(struct sock *sk)
 }
 EXPORT_SYMBOL_GPL(sk_detach_filter);
 
-static void sk_decode_filter(struct sock_filter *filt, struct sock_filter *to)
+void sk_decode_filter(struct sock_filter *filt, struct sock_filter *to)
 {
 	static const u16 decodes[] = {
 		[BPF_S_ALU_ADD_K]	= BPF_ALU|BPF_ADD|BPF_K,

diff --git a/trunk/net/core/sock_diag.c b/trunk/net/core/sock_diag.c
@@ -73,8 +73,13 @@ int sock_diag_put_filterinfo(struct user_namespace *user_ns, struct sock *sk,
 		goto out;
 	}
 
-	if (filter)
-		memcpy(nla_data(attr), filter->insns, len);
+	if (filter) {
+		struct sock_filter *fb = (struct sock_filter *)nla_data(attr);
+		int i;
+
+		for (i = 0; i < filter->len; i++, fb++)
+			sk_decode_filter(&filter->insns[i], fb);
+	}
 
 out:
 	rcu_read_unlock();