bpf_dbg: fix wrong register usage

The AND instruction is erroneously using the X register instead of the K register. Signed-off-by: Brendan Hickey <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Signed-off-by: David S. Miller <[email protected]>
mrcsosa · Apr 30, 2014 · e5744fe · e5744fe
1 parent f114890
commit e5744fe
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tools/net/bpf_dbg.c b/tools/net/bpf_dbg.c
@@ -820,7 +820,7 @@ static void bpf_single_step(struct bpf_regs *r, struct sock_filter *f,
 		r->A &= r->X;
 		break;
 	case BPF_ALU_AND | BPF_K:
-		r->A &= r->X;
+		r->A &= K;
 		break;
 	case BPF_ALU_OR | BPF_X:
 		r->A |= r->X;