Leif Hedstrom created TS-4207:
---------------------------------
Summary: Crash in HostDB, likely a regression from 5.x
Key: TS-4207
URL: https://issues.apache.org/jira/browse/TS-4207
Project: Traffic Server
Issue Type: Bug
Components: HostDB
Reporter: Leif Hedstrom
We're seeing a new crash in HostDB, which did not occur in 5.3.x:
{code}
(gdb) bt
#0 0x00002aaaaac7b2bb in HttpSM::process_hostdb_info(HostDBInfo*) () at
../../iocore/hostdb/P_HostDBProcessor.h:295
#1 0x00002aaaaac88b16 in HttpSM::state_hostdb_lookup(int, void*) () at
HttpSM.cc:2126
#2 0x00002aaaaac9713d in HttpSM::main_handler(int, void*) () at HttpSM.cc:2561
#3 0x00002aaaaad7803e in reply_to_cont(Continuation*, HostDBInfo*, bool) () at
../../iocore/eventsystem/I_Continuation.h:153
#4 0x00002aaaaad7eca5 in HostDBContinuation::dnsEvent(int, HostEnt*) () at
HostDB.cc:1685
#5 0x00002aaaaad98faf in DNSEntry::postEvent(int, Event*) () at
../../iocore/eventsystem/I_Continuation.h:153
#6 0x00002aaaaae7e420 in EThread::process_event(Event*, int) () at
I_Continuation.h:153
#7 0x00002aaaaae7f2ab in EThread::execute() () at UnixEThread.cc:179
#8 0x00002aaaaae7de06 in spawn_thread_internal(void*) () at Thread.cc:86
#9 0x00002aaaad6ac9d1 in start_thread () from /lib64/libpthread.so.0
#10 0x00002aaaae8b58fd in clone () from /lib64/libc.so.6
{code}
I think some inlining here complicates things, what it looks like the "r" is
NULL, but it somehow still ends up using r->rr ?
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
