sudheerv opened a new pull request #6865: URL: https://github.com/apache/trafficserver/pull/6865
Fix for https://github.com/apache/trafficserver/issues/6864 ``` gdb) bt #0 0x00002b56037ac06f in _Unwind_IteratePhdrCallback (info=<optimized out>, size=<optimized out>, ptr=0x2b560a0fe380) at ../.././libgcc/unwind-dw2-fde-dip.c:398 #1 0x00002b5603aed42c in dl_iterate_phdr () from /lib64/libc.so.6 #2 0x00002b56037ac501 in _Unwind_Find_FDE (pc=0x2b562b119c90 <HostOverridePostRemapPlugin::handleReadRequestHeadersPostRemap(atscppapi::Transaction&)+124>, bases=bases@entry=0x2b560a0fe508) at ../.././libgcc/unwind-dw2-fde-dip.c:469 #3 0x00002b56037a8a43 in uw_frame_state_for (context=context@entry=0x2b560a0fe460, fs=fs@entry=0x2b560a0fe550) at ../.././libgcc/unwind-dw2.c:1249 #4 0x00002b56037aa988 in _Unwind_Backtrace (trace=0x2b5603ac4da0 <backtrace_helper>, trace_argument=0x2b560a0fe710) at ../.././libgcc/unwind.inc:290 #5 0x00002b5603ac4f16 in backtrace () from /lib64/libc.so.6 #6 0x00002b56010afa43 in ink_stack_trace_dump () at ink_stack_trace.cc:63 #7 0x00002b56010c48b3 in signal_crash_handler (signo=signo@entry=11) at signals.cc:180 #8 0x00000000004c3dde in crash_logger_invoke (signo=11, info=0x2b560a0fecb0, ctx=0x2b560a0feb80) at traffic_server/Crash.cc:173 #9 <signal handler called> #10 Http1ServerSession::get_server_ip (this=this@entry=0x0) at Http1ServerSession.cc:223 #11 0x000000000056108c in ServerSessionPool::acquireSession (this=0x2b56048ac900, addr=addr@entry=0x2b56a6912410, hostname_hash=..., match_style=match_style@entry=TS_SERVER_SESSION_SHARING_MATCH_MASK_HOSTONLY, sm=sm@entry=0x2b56a6911ce0, to_return=@0x2b560a0ff910: 0x0) at HttpSessionManager.cc:159 #12 0x00000000005618d1 in HttpSessionManager::acquire_session (this=0xacdee0 <httpSessionManager>, ip=0x2b56a6912410, hostname=0x2b5614a03019 "lva1-app52756.prod.linkedin.com", ua_txn=<optimized out>, sm=sm@entry=0x2b56a6911ce0) at HttpSessionManager.cc:398 #13 0x00000000005540cc in HttpSM::do_http_server_open (this=this@entry=0x2b56a6911ce0, raw=raw@entry=false) at HttpSM.cc:5029 #14 0x0000000000556d60 in HttpSM::set_next_state (this=0x2b56a6911ce0) at HttpSM.cc:7559 #15 0x0000000000541302 in HttpSM::call_transact_and_set_next_state (this=this@entry=0x2b56a6911ce0, f=f@entry=0x0) at HttpSM.cc:7362 #16 0x0000000000551c9a in HttpSM::handle_api_return (this=0x2b56a6911ce0) at HttpSM.cc:1634 #17 0x000000000054d7ee in HttpSM::state_api_callout (this=0x2b56a6911ce0, event=<optimized out>, data=<optimized out>) at HttpSM.cc:1566 #18 0x0000000000556d73 in HttpSM::set_next_state (this=0x2b56a6911ce0) at HttpSM.cc:7396 #19 0x0000000000541302 in HttpSM::call_transact_and_set_next_state (this=this@entry=0x2b56a6911ce0, f=f@entry=0x0) at HttpSM.cc:7362 #20 0x0000000000551c9a in HttpSM::handle_api_return (this=0x2b56a6911ce0) at HttpSM.cc:1634 #21 0x000000000054d7ee in HttpSM::state_api_callout (this=0x2b56a6911ce0, event=<optimized out>, data=<optimized out>) at HttpSM.cc:1566 #22 0x0000000000556d73 in HttpSM::set_next_state (this=0x2b56a6911ce0) at HttpSM.cc:7396 #23 0x0000000000541302 in HttpSM::call_transact_and_set_next_state (this=this@entry=0x2b56a6911ce0, f=f@entry=0x0) at HttpSM.cc:7362 #24 0x0000000000543d3a in HttpSM::do_hostdb_lookup (this=this@entry=0x2b56a6911ce0) at HttpSM.cc:4252 #25 0x0000000000556e1a in HttpSM::set_next_state (this=0x2b56a6911ce0) at HttpSM.cc:7712 #26 0x0000000000541302 in HttpSM::call_transact_and_set_next_state (this=this@entry=0x2b56a6911ce0, f=f@entry=0x0) at HttpSM.cc:7362 #27 0x0000000000551c9a in HttpSM::handle_api_return (this=0x2b56a6911ce0) at HttpSM.cc:1634 #28 0x000000000054d7ee in HttpSM::state_api_callout (this=this@entry=0x2b56a6911ce0, event=event@entry=60000, data=data@entry=0x0) at HttpSM.cc:1566 #29 0x0000000000550a34 in HttpSM::state_api_callback (this=this@entry=0x2b56a6911ce0, event=event@entry=60000, data=data@entry=0x0) at HttpSM.cc:1366 #30 0x00000000004eba3a in TSHttpTxnReenable (txnp=0x2b56a6911ce0, event=TS_EVENT_HTTP_CONTINUE) at traffic_server/InkAPI.cc:6096 #31 0x00002b562b119c91 in HostOverridePostRemapPlugin::handleReadRequestHeadersPostRemap (this=0x2b56193fffd0, transaction=...) at host_override.cpp:189 #32 0x00002b561ac22ea8 in invokePluginForEvent (event=TS_EVENT_HTTP_POST_REMAP, ats_txn_handle=0x2b56a6911ce0, plugin=0x2b56193fffd0) at utils_internal.cc:156 #33 atscppapi::utils::internal::invokePluginForEvent (plugin=plugin@entry=0x2b56193fffd0, ats_txn_handle=ats_txn_handle@entry=0x2b56a6911ce0, event=event@entry=TS_EVENT_HTTP_POST_REMAP) at utils_internal.cc:247 #34 0x00002b561ac1f2f5 in (anonymous namespace)::handleTransactionPluginEvents (cont=0x2b56bf5d13c0, event=TS_EVENT_HTTP_POST_REMAP, edata=0x2b56a6911ce0) at TransactionPlugin.cc:53 #35 0x00000000004d7231 in INKContInternal::handle_event (this=0x2b56bf5d13c0, event=60017, edata=0x2b56a6911ce0) at traffic_server/InkAPI.cc:1096 #36 0x00000000004ef7e6 in Continuation::handleEvent (this=0x2b56bf5d13c0, event=event@entry=60017, data=data@entry=0x2b56a6911ce0) at /home/svinukon/Traffic/ATS/ats9/ats-core_trunk/ats9/src/iocore/eventsystem/I_Continuation.h:193 #37 0x00000000004e9517 in APIHook::invoke (this=this@entry=0x2b560c2179a0, event=60017, edata=edata@entry=0x2b56a6911ce0) at traffic_server/InkAPI.cc:1333 #38 0x000000000054d2b7 in HttpSM::state_api_callout (this=this@entry=0x2b56a6911ce0, event=event@entry=60000, data=data@entry=0x0) at HttpSM.cc:1499 #39 0x0000000000550a34 in HttpSM::state_api_callback (this=this@entry=0x2b56a6911ce0, event=event@entry=60000, data=data@entry=0x0) at HttpSM.cc:1366 #40 0x00000000004eba3a in TSHttpTxnReenable (txnp=txnp@entry=0x2b56a6911ce0, event=event@entry=TS_EVENT_HTTP_CONTINUE) at traffic_server/InkAPI.cc:6096 #41 0x00002b563cca6cd9 in TxnOpenCloseHandler (contp=<optimized out>, event=<optimized out>, edata=0x2b56a6911ce0) at adaptor.cc:1697 #42 0x00000000004d7231 in INKContInternal::handle_event (this=0x2b5636fc9840, event=60017, edata=0x2b56a6911ce0) at traffic_server/InkAPI.cc:1096 #43 0x00000000004ef7e6 in Continuation::handleEvent (this=0x2b5636fc9840, event=event@entry=60017, data=data@entry=0x2b56a6911ce0) at /home/svinukon/Traffic/ATS/ats9/ats-core_trunk/ats9/src/iocore/eventsystem/I_Continuation.h:193 #44 0x00000000004e9517 in APIHook::invoke (this=this@entry=0x2b5604d75ae0, event=60017, edata=edata@entry=0x2b56a6911ce0) at traffic_server/InkAPI.cc:1333 (gdb) f 11 #11 0x000000000056108c in ServerSessionPool::acquireSession (this=0x2b56048ac900, addr=addr@entry=0x2b56a6912410, hostname_hash=..., match_style=match_style@entry=TS_SERVER_SESSION_SHARING_MATCH_MASK_HOSTONLY, sm=sm@entry=0x2b56a6911ce0, to_return=@0x2b560a0ff910: 0x0) at HttpSessionManager.cc:159 159 HttpSessionManager.cc: No such file or directory. (gdb) up #12 0x00000000005618d1 in HttpSessionManager::acquire_session (this=0xacdee0 <httpSessionManager>, ip=0x2b56a6912410, hostname=0x2b5614a03019 "lva1-app52756.prod.linkedin.com", ua_txn=<optimized out>, sm=sm@entry=0x2b56a6911ce0) at HttpSessionManager.cc:398 398 in HttpSessionManager.cc (gdb) p last No symbol "last" in current context. (gdb) down #11 0x000000000056108c in ServerSessionPool::acquireSession (this=0x2b56048ac900, addr=addr@entry=0x2b56a6912410, hostname_hash=..., match_style=match_style@entry=TS_SERVER_SESSION_SHARING_MATCH_MASK_HOSTONLY, sm=sm@entry=0x2b56a6911ce0, to_return=@0x2b560a0ff910: 0x0) at HttpSessionManager.cc:159 159 in HttpSessionManager.cc (gdb) p last $1 = {<ts::IntrusiveDList<Http1ServerSession::FQDNLinkage>::const_iterator> = {_list = 0x2b56048ac998, _v = 0x0}, <No data fields>} (gdb) p first ``` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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