Accept Failure / Crash on OS X
------------------------------
Key: TS-396
URL: https://issues.apache.org/jira/browse/TS-396
Project: Traffic Server
Issue Type: Bug
Affects Versions: 2.1.2
Reporter: Paul Querna
Trunk crashes, but pre-r953510 (the IPV6 patch), it works.
$ sudo gdb ./traffic_server
GNU gdb 6.3.50-20050815 (Apple version gdb-1461.2) (Fri Mar 5 04:43:10 UTC
2010)
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This GDB was configured as "x86_64-apple-darwin"...Reading symbols for shared
libraries ............. done
(gdb) run
Starting program: /opt/ats/bin/traffic_server
Reading symbols for shared libraries .++++++++++++ done
[TrafficServer] using root directory '/opt/ats'
[Jun 26 09:41:42.541] {140735072865248} STATUS: opened
/opt/ats/var/log/trafficserver/diags.log
[Jun 26 09:41:42.798] Server {4412067840} FATAL: <HttpAccept.cc:98 (mainEvent)>
HTTP accept received fatal error: errno = 9
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000070
[Switching to process 9710]
UDPReadContinuation::~UDPReadContinuation (this=0x100486670) at
UnixUDPNet.cc:295
295 completionUtil::destroy(event);
(gdb) where
#0 UDPReadContinuation::~UDPReadContinuation (this=0x100486670) at
UnixUDPNet.cc:295
#1 0x00007fff803e4c58 in __cxa_finalize ()
#2 0x00007fff803e4b70 in exit ()
#3 0x00000001000224d0 in MachineFatalClass::raise (this=<value temporarily
unavailable, due to optimizations>, ap=<value temporarily unavailable, due to
optimizations>, prefix=<value temporarily unavailable, due to optimizations>)
at Error.cc:112
#4 0x0000000100022469 in ErrorClass::operator() (this=0x1018551f0,
aformat_string=<value temporarily unavailable, due to optimizations>) at
Error.cc:50
#5 0x00000001000b1b4b in HttpAccept::mainEvent (this=0x100cc84b0, event=3,
data=0xfffffffffffffff7) at HttpAccept.cc:98
#6 0x0000000100263743 in Ptr<NetAcceptAction>::operator-> () at
/Users/chip/work/asf/traffic/libinktomi++/Ptr.h:147
#7 0x0000000100263743 in NetAccept::do_blocking_accept (this=0x100cc84f0,
master_na=0x100cc84f0, t=0x106dab000) at UnixNetAccept.cc:295
#8 0x000000010026412e in net_accept_main_blocking [inlined] () at
/Users/chip/work/asf/traffic/iocore/net/UnixNetAccept.cc:156
#9 0x000000010026412e in NetAccept::acceptLoopEvent (this=0x100cc84f0,
event=<value temporarily unavailable, due to optimizations>, e=<value
temporarily unavailable, due to optimizations>) at UnixNetAccept.cc:295
#10 0x000000010028a187 in EThread::execute (this=0x106dab000) at
UnixEThread.cc:288
#11 0x0000000100288e4a in spawn_thread_internal (a=0x100cc8680) at Thread.cc:85
#12 0x00007fff8040b8b6 in _pthread_start ()
#13 0x00007fff8040b769 in thread_start ()
(gdb)
The cause seems to be a BADFD is being passed to accept, and with all the IPv6
patch, I'm betting something about binding to the socket is busted on Darwin.
Reportedly, Solaris has a similar regression.
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