ss: fix autobound filter
Fixes following error. We currently provide garbage data to kernel, that can abort the validation process or produce unexpected results. $ ss -a autobound State Recv-Q Send-Q Local Address:Port Peer Address:Port TCPDIAG answers: Invalid argument After patch: $ misc/ss -a autobound State Recv-Q Send-Q Local Address:Port Peer Address:Port LISTEN 0 128 *:44624 *:* ESTAB 0 0 192.168.1.21:47141 74.125.79.109:imaps Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
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@ -803,7 +803,7 @@ static int ssfilter_bytecompile(struct ssfilter *f, char **bytecode)
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{
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{
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if (!(*bytecode=malloc(4))) abort();
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if (!(*bytecode=malloc(4))) abort();
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((struct inet_diag_bc_op*)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_AUTO, 4, 8 };
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((struct inet_diag_bc_op*)*bytecode)[0] = (struct inet_diag_bc_op){ INET_DIAG_BC_AUTO, 4, 8 };
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return 8;
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return 4;
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}
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}
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case SSF_DCOND:
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case SSF_DCOND:
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case SSF_SCOND:
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case SSF_SCOND:
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