Re: Memory Leak in netsnmp-5.4.2.1

Mike Ayers wrote:
>> From: sanjaykumar [mailto:[email protected]]
>> Sent: Friday, April 23, 2010 3:21 AM
>>     
>
>   
>>             I am using the netsnmp-5.4.2.1
>> I run the valgrind on this, I find lot of Merory Leaks.
>> Could someone help me out regarding this :
>> Does any patches are available to fix the memory leak for 5.4.2.1
>> version ???
>>     
>
> 	Do the leaks appear during execution, or upon termination?
>
>
> 	Thanks,
>
> Mike
> /*
> */
/*_duing the execution_
some of memory leak example:*/

==10240== 
==10240== 20 bytes in 1 blocks are indirectly lost in loss record 60 of 134
==10240==    at 0x40218C9: calloc (vg_replace_malloc.c:397)
==10240==    by 0x827293F: initialize_table_snmpTargetAddrExtTable (snmpTargetAddrExtTable.c:51)
==10240==    by 0x8272902: init_snmpTargetAddrExtTable (snmpTargetAddrExtTable.c:26)
==10240==    by 0x8257754: init_mib_modules (mib_module_inits.h:170)
==10240==    by 0x824EFD4: snmpd (snmpd.c:1039)
==10240==    by 0x40471B2: start_thread (in /lib/libpthread-2.5.so)
==10240==    by 0x42E303D: clone (in /lib/libc-2.5.so)


==10240== 
==10240== 20 bytes in 1 blocks are still reachable in loss record 61 of 134
==10240==    at 0x40218C9: calloc (vg_replace_malloc.c:397)
==10240==    by 0x8259007: init_vacm_context (vacm_context.c:104)
==10240==    by 0x82575F6: init_mib_modules (mib_module_inits.h:145)
==10240==    by 0x824EFD4: snmpd (snmpd.c:1039)
==10240==    by 0x40471B2: start_thread (in /lib/libpthread-2.5.so)
==10240==    by 0x42E303D: clone (in /lib/libc-2.5.so)
==10240== 
==10240== 
==10240== 20 bytes in 1 blocks are still reachable in loss record 62 of 134
==10240==    at 0x40218C9: calloc (vg_replace_malloc.c:397)
==10240==    by 0x825EC01: init_tcpTable (tcpTable.c:156)
==10240==    by 0x82575DD: init_mib_modules (mib_module_inits.h:143)
==10240==    by 0x824EFD4: snmpd (snmpd.c:1039)
==10240==    by 0x40471B2: start_thread (in /lib/libpthread-2.5.so)
==10240==    by 0x42E303D: clone (in /lib/libc-2.5.so)

==10240== 
==10240== 5 bytes in 1 blocks are still reachable in loss record 4 of 134
==10240==    at 0x4022799: malloc (vg_replace_malloc.c:207)
==10240==    by 0x834BA94: snmp_clone_mem (snmp_client.c:318)
==10240==    by 0x833523D: build_oid (mib.c:3742)
==10240==    by 0x832928B: _netsnmp_tdata_generate_index_oid (table_tdata.c:62)
==10240==    by 0x83296AD: netsnmp_tdata_add_row (table_tdata.c:206)
==10240==    by 0x82735E3: snmpCommunityTable_createEntry (snmpCommunityTable.c:181)
==10240==    by 0x8273ECF: snmpCommunityTable_parse_com2sec (snmpCommunityTable.c:496)
==10240==    by 0x824CBFF: create_community_user (snmp_init.c:976)
==10240==    by 0x824C867: snmp_create_user_new (snmp_init.c:895)
==10240==    by 0x824C617: snmp_create_v2c_user (snmp_init.c:836)
==10240==    by 0x824C559: snmp_create_v2cuser_multiple_source (snmp_init.c:787)
==10240==    by 0x824C25F: snmp_create_user (snmp_init.c:700)



==10240== 
==10240== 8 bytes in 1 blocks are still reachable in loss record 9 of 134
==10240==    at 0x40218C9: calloc (vg_replace_malloc.c:397)
==10240==    by 0x835BDB1: atime_newMarker (tools.c:810)
==10240==    by 0x831FE9D: _cache_load (cache_handler.c:570)
==10240==    by 0x831F881: netsnmp_cache_handler_get (cache_handler.c:274)
==10240==    by 0x831821E: _ifTable_initialize_interface (ifTable_interface.c:361)
==10240==    by 0x8285107: initialize_table_ifTable (ifTable.c:155)
==10240==    by 0x82850B0: init_ifTable (ifTable.c:99)
==10240==    by 0x8257641: init_mib_modules (mib_module_inits.h:148)
==10240==    by 0x824EFD4: snmpd (snmpd.c:1039)
==10240==    by 0x40471B2: start_thread (in /lib/libpthread-2.5.so)
==10240==    by 0x42E303D: clone (in /lib/libc-2.5.so)
==10240== 


Rgds,
Sanjay

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