Check for ipv6 added at compile time #23
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simonemainardi
added a commit
that referenced
this pull request
Mar 27, 2020
Class was not used and didn't handle concurrent accesses to strings,
yielding crashes such as
Thread 14 "stats_update.lu" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffb3fff700 (LWP 25268)]
0x00005555556b9183 in IpAddress::intoa (this=0x28c, buf=0x7fffb3ffe030 "", bufLen=64, bitmask=255 '\377') at src/IpAddress.cpp:352
352 src/IpAddress.cpp: No such file or directory.
(gdb)
(gdb) bt
at src/GenericHash.cpp:222
#9 0x00005555556c0413 in NetworkInterface::walker (this=0x555556159e70, begin_slot=0x7fffb3ffe454, walk_all=true, wtype=walker_flows, walker=0x5555556c6b79 <host_flow_update_stats(GenericHashEntry*, void*, bool*)>,
user_data=0x7fffb3ffe458) at src/NetworkInterface.cpp:795
#10 0x00005555556c6f7c in NetworkInterface::periodicStatsUpdate (this=0x555556159e70, vm=0x7fffac0a5578) at src/NetworkInterface.cpp:2589
#11 0x0000555555671d62 in ntop_periodic_stats_update (vm=0x7fffac0a5578) at src/LuaEngine.cpp:6304
#12 0x000055555576c2f6 in luaD_precall ()
#13 0x0000555555777acd in luaV_execute ()
#14 0x000055555576c5cf in luaD_call ()
#15 0x000055555576c621 in luaD_callnoyield ()
#16 0x000055555576ba42 in luaD_rawrunprotected ()
#17 0x000055555576c91b in luaD_pcall ()
#18 0x0000555555769cd4 in lua_pcallk ()
#19 0x0000555555681e8a in LuaEngine::run_loaded_script (this=0x7fffac01fe10) at src/LuaEngine.cpp:12188
#20 0x000055555563eca2 in ThreadedActivity::runScript (this=0x555562aee4e0, now=1585309410, script_path=0x7fff88002620 "/usr/share/ntopng/scripts/callbacks/interface/stats_update.lua", iface=0x555556159e70, deadline=1585309420)
at src/ThreadedActivity.cpp:418
#21 0x00005555556ba04d in ThreadPool::run (this=0x5555624525a0) at src/ThreadPool.cpp:103
#22 0x00005555556b9c79 in doRun (ptr=0x5555624525a0) at src/ThreadPool.cpp:31
#23 0x00007ffff65aa6db in start_thread (arg=0x7fffb3fff700) at pthread_create.c:463
#24 0x00007ffff3ea388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
simonemainardi
added a commit
that referenced
this pull request
Mar 27, 2020
Class was not used and didn't handle concurrent accesses to strings,
yielding crashes such as
Thread 14 "stats_update.lu" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffb3fff700 (LWP 25268)]
0x00005555556b9183 in IpAddress::intoa (this=0x28c, buf=0x7fffb3ffe030 "", bufLen=64, bitmask=255 '\377') at src/IpAddress.cpp:352
352 src/IpAddress.cpp: No such file or directory.
(gdb)
(gdb) bt
at src/GenericHash.cpp:222
#9 0x00005555556c0413 in NetworkInterface::walker (this=0x555556159e70, begin_slot=0x7fffb3ffe454, walk_all=true, wtype=walker_flows, walker=0x5555556c6b79 <host_flow_update_stats(GenericHashEntry*, void*, bool*)>,
user_data=0x7fffb3ffe458) at src/NetworkInterface.cpp:795
#10 0x00005555556c6f7c in NetworkInterface::periodicStatsUpdate (this=0x555556159e70, vm=0x7fffac0a5578) at src/NetworkInterface.cpp:2589
#11 0x0000555555671d62 in ntop_periodic_stats_update (vm=0x7fffac0a5578) at src/LuaEngine.cpp:6304
#12 0x000055555576c2f6 in luaD_precall ()
#13 0x0000555555777acd in luaV_execute ()
#14 0x000055555576c5cf in luaD_call ()
#15 0x000055555576c621 in luaD_callnoyield ()
#16 0x000055555576ba42 in luaD_rawrunprotected ()
#17 0x000055555576c91b in luaD_pcall ()
#18 0x0000555555769cd4 in lua_pcallk ()
#19 0x0000555555681e8a in LuaEngine::run_loaded_script (this=0x7fffac01fe10) at src/LuaEngine.cpp:12188
#20 0x000055555563eca2 in ThreadedActivity::runScript (this=0x555562aee4e0, now=1585309410, script_path=0x7fff88002620 "/usr/share/ntopng/scripts/callbacks/interface/stats_update.lua", iface=0x555556159e70, deadline=1585309420)
at src/ThreadedActivity.cpp:418
#21 0x00005555556ba04d in ThreadPool::run (this=0x5555624525a0) at src/ThreadPool.cpp:103
#22 0x00005555556b9c79 in doRun (ptr=0x5555624525a0) at src/ThreadPool.cpp:31
#23 0x00007ffff65aa6db in start_thread (arg=0x7fffb3fff700) at pthread_create.c:463
#24 0x00007ffff3ea388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
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