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snmp: fix dangling pointer in snmp_traps

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Jan Breuer 2024-11-01 10:38:16 +01:00 committed by Erik Ekman
parent c06cc7655d
commit 52bb3eedd7
1 changed files with 1 additions and 1 deletions
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2
src/apps/snmp/snmp_traps.c
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@ -348,6 +348,7 @@ snmp_send_trap_or_notification_or_inform_generic(struct snmp_msg_trap *trap_msg,
u32_t timestamp = 0; u32_t timestamp = 0;
struct snmp_varbind *original_varbinds = varbinds; struct snmp_varbind *original_varbinds = varbinds;
struct snmp_varbind *original_prev = NULL; struct snmp_varbind *original_prev = NULL;
struct snmp_obj_id snmp_trap_oid = { 0 }; /* used for converting SNMPv1 generic/specific trap parameter to SNMPv2 snmpTrapOID */
struct snmp_varbind snmp_v2_special_varbinds[] = { struct snmp_varbind snmp_v2_special_varbinds[] = {
/* First varbind is used to store sysUpTime */ /* First varbind is used to store sysUpTime */
{ {
@ -386,7 +387,6 @@ snmp_send_trap_or_notification_or_inform_generic(struct snmp_msg_trap *trap_msg,
/* see rfc3584 */ /* see rfc3584 */
if (trap_msg->snmp_version == SNMP_VERSION_2c) { if (trap_msg->snmp_version == SNMP_VERSION_2c) {
struct snmp_obj_id snmp_trap_oid = { 0 }; /* used for converting SNMPv1 generic/specific trap parameter to SNMPv2 snmpTrapOID */
err = snmp_prepare_trap_oid(&snmp_trap_oid, eoid, generic_trap, specific_trap); err = snmp_prepare_trap_oid(&snmp_trap_oid, eoid, generic_trap, specific_trap);
if (err == ERR_OK) { if (err == ERR_OK) {
snmp_v2_special_varbinds[1].value_len = snmp_trap_oid.len * sizeof(snmp_trap_oid.id[0]); snmp_v2_special_varbinds[1].value_len = snmp_trap_oid.len * sizeof(snmp_trap_oid.id[0]);