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Add a note about a possible memory leak in libnetutil

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luis
2010-08-06 12:59:24 +00:00
parent 8f13e328e9
commit 7d63375baa
1 changed files with 25 additions and 0 deletions
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todo/nmap.txt
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@@ -638,6 +638,31 @@ o Look into whether we should loosen/change the global congestion
image file at once and count on the fairness of TCP to sort it
out.
o [libnetutil] Study route_dst(), getinterfaces() and getsysroutes() because
they don't seem to be freeing memory they aquire thorugh safe_zalloc().
Currently valgrind reports this:
==12849== 2,944 bytes in 1 blocks are still reachable in loss record 8 of 9
==12849== at 0x4C277CC: calloc (vg_replace_malloc.c:467)
==12849== by 0x42AEE5: safe_zalloc (nbase_memalloc.c:140)
==12849== by 0x438809: getinterfaces(int*, char*, unsigned long) (netuti
==12849== by 0x438ED2: getsysroutes_proc(_IO_FILE*, int*, char*, unsigne
==12849== by 0x4394A7: getsysroutes(int*, char*, unsigned long) (netutil
==12849== by 0x4398EC: route_dst(sockaddr_storage const*, route_nfo*, ch
==12849== by 0x413939: getNetworkInterfaceName(sockaddr_storage*, char*)
==12849== by 0x40F64A: NpingOps::validateOptions() (NpingOps.cc:2489)
==12849== by 0x40B2B1: main (nping.cc:156)
==12849==
==12849== 3,072 bytes in 1 blocks are still reachable in loss record 9 of 9
==12849== at 0x4C277CC: calloc (vg_replace_malloc.c:467)
==12849== by 0x42AEE5: safe_zalloc (nbase_memalloc.c:140)
==12849== by 0x438EEF: getsysroutes_proc(_IO_FILE*, int*, char*, unsigne
==12849== by 0x4394A7: getsysroutes(int*, char*, unsigned long) (netutil
==12849== by 0x4398EC: route_dst(sockaddr_storage const*, route_nfo*, ch
==12849== by 0x413939: getNetworkInterfaceName(sockaddr_storage*, char*)
==12849== by 0x40F64A: NpingOps::validateOptions() (NpingOps.cc:2489)
==12849== by 0x40B2B1: main (nping.cc:156)
o Make Zenmap settings get upgraded when the Zenmap executable is
upgraded. The per-user configuration files such as scan_profile.usp
and zenmap.conf are never overwritten once installed by Zenmap, so