[ https://issues.apache.org/jira/browse/TS-4207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Leif Hedstrom updated TS-4207: ------------------------------ Backport to Version: (was: 6.1.2) > 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 > Assignee: Leif Hedstrom > Priority: Blocker > Labels: crash > Fix For: 6.1.2, 6.2.0 > > > 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)