[Bug #129876] bug for snmp_shutdown

[<no...@so...>]

Bug #129876, was updated on 2001-Jan-23 17:45
Here is a current snapshot of the bug.

Project: net-snmp
Category: None
Status: Closed
Resolution: Fixed
Bug Group: None
Priority: 5
Submitted by: nobody
Assigned to : nobody
Summary: bug for snmp_shutdown

Details: Dear Sir/Madam,
I try to free all memory with snmp_shutdwon for checking memory leak of my
program, I found a bug from snmp_shutdown with dmalloc.

Simon Li
Sim...@te...

I use ucd-snmp-4.2 under Debian Linux.

Program received signal SIGABRT, Aborted.
0x400ae931 in kill () from /lib/libc.so.6
(gdb) bt
#0  0x400ae931 in kill () from /lib/libc.so.6
#1  0x40059ef9 in pthread_kill () from /lib/libpthread.so.0
#2  0x4005a375 in raise () from /lib/libpthread.so.0
#3  0x400afc71 in abort () from /lib/libc.so.6
#4  0x807fca0 in _dmalloc_die (silent_b=0) at error.c:391
#5  0x807fd05 in dmalloc_error (func=0x8092539 "_chunk_free") at
error.c:427
#6  0x8083fef in _chunk_free (file=0x805b97e "\203Ä
\203Ã\030OyÁ\213}ü1Àü¹", line=0,
pnt=0x0, realloc_b=0)
    at chunk.c:2878
#7  0x8080359 in _loc_free (file=0x805b97e "\203Ä
\203Ã\030OyÁ\213}ü1Àü¹", line=0,
pnt=0x0)
    at malloc.c:754
#8  0x8080469 in free (pnt=0x0) at malloc.c:910
#9  0x805b97e in unload_all_mibs () at parse.c:3536
#10 0x8053917 in shutdown_mib () at mib.c:1277
#11 0x805e654 in snmp_shutdown (type=0x8087e3c "snmpapp") at
snmp_api.c:700
#12 0x804ef47 in snmp_end () at snmpgettget.c:425
#13 0x804af39 in child (rflag=1, cflag=0, dflag=0) at snmpgett.c:425
#14 0x804a851 in main (argc=2, argv=0xbffffc24) at snmpgett.c:147
(gdb) q

Follow-Ups:

Date: 2001-Jan-29 13:13
By: hardaker

Comment:
Thanks for the bug report!  We've fixed the problem for the next release of
the net-snmp package.
-------------------------------------------------------

Date: 2001-Jan-24 18:41
By: nobody

Comment:
Hi, I check in detail, there is statement in line 3536 in parse.c, it is
free(ptc->hint);
 after it was changed into
 if(ptc->hint!=NULL) free(ptc->hint);
 it is OK.
It should not be real bug.
Simon Li
-------------------------------------------------------

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http://sourceforge.net/bugs/?func=detailbug&bug_id=129876&group_id=12694