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diff -up net-snmp-5.8/agent/mibgroup/if-mib/data_access/interface_linux.c.original net-snmp-5.8/agent/mibgroup/if-mib/data_access/interface_linux.c
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--- net-snmp-5.8/agent/mibgroup/if-mib/data_access/interface_linux.c.original 2022-02-02 15:06:29.382119898 +0900
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+++ net-snmp-5.8/agent/mibgroup/if-mib/data_access/interface_linux.c 2022-02-02 15:15:39.298280447 +0900
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@@ -600,7 +600,6 @@ netsnmp_arch_interface_container_load(ne
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{
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FILE *devin;
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char line[256];
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- netsnmp_interface_entry *entry = NULL;
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static char scan_expected = 0;
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int fd;
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#ifdef NETSNMP_ENABLE_IPV6
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@@ -669,6 +668,7 @@ netsnmp_arch_interface_container_load(ne
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* and retrieve (or create) the corresponding data structure.
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*/
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while (fgets(line, sizeof(line), devin)) {
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+ netsnmp_interface_entry *entry = NULL;
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char *stats, *ifstart = line;
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u_int flags;
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oid if_index;
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@@ -701,6 +701,11 @@ netsnmp_arch_interface_container_load(ne
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*stats++ = 0; /* null terminate name */
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if_index = netsnmp_arch_interface_index_find(ifstart);
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+ if (if_index == 0) {
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+ DEBUGMSGTL(("access:interface", "network interface %s is gone",
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+ ifstart));
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+ continue;
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+ }
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/*
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* set address type flags.
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@@ -726,7 +731,7 @@ netsnmp_arch_interface_container_load(ne
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continue;
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}
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- entry = netsnmp_access_interface_entry_create(ifstart, 0);
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+ entry = netsnmp_access_interface_entry_create(ifstart, if_index);
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if(NULL == entry) {
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#ifdef NETSNMP_ENABLE_IPV6
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netsnmp_access_ipaddress_container_free(addr_container, 0);
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