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patch #8008 Fix a potential null pointer dereference in assert
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@ -80,6 +80,9 @@ HISTORY
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++ Bugfixes:
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++ Bugfixes:
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2013-04-24: patch by Liam <morepork>
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api_msg.c: patch #8008 Fix a potential null pointer dereference in assert
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2013-04-24: Simon Goldschmidt
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2013-04-24: Simon Goldschmidt
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* igmp.c: fixed possible division by zero
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* igmp.c: fixed possible division by zero
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@ -222,11 +222,12 @@ recv_tcp(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
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LWIP_ASSERT("recv_tcp must have a pcb argument", pcb != NULL);
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LWIP_ASSERT("recv_tcp must have a pcb argument", pcb != NULL);
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LWIP_ASSERT("recv_tcp must have an argument", arg != NULL);
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LWIP_ASSERT("recv_tcp must have an argument", arg != NULL);
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conn = (struct netconn *)arg;
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conn = (struct netconn *)arg;
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LWIP_ASSERT("recv_tcp: recv for wrong pcb!", conn->pcb.tcp == pcb);
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if (conn == NULL) {
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if (conn == NULL) {
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return ERR_VAL;
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return ERR_VAL;
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}
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}
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LWIP_ASSERT("recv_tcp: recv for wrong pcb!", conn->pcb.tcp == pcb);
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if (!sys_mbox_valid(&conn->recvmbox)) {
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if (!sys_mbox_valid(&conn->recvmbox)) {
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/* recvmbox already deleted */
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/* recvmbox already deleted */
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if (p != NULL) {
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if (p != NULL) {
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