Qiang Li created TS-3486:
----------------------------
Summary: Segmentation fault sometime
Key: TS-3486
URL: https://issues.apache.org/jira/browse/TS-3486
Project: Traffic Server
Issue Type: Bug
Reporter: Qiang Li
{code}
(gdb) bt
#0 0x00000000005bdb8b in HttpServerSession::do_io_write (this=<value optimized
out>, c=0x2aaadccc4bf0, nbytes=576, buf=0x2aaafc2ffee8, owner=false)
at HttpServerSession.cc:104
#1 0x00000000005acc1d in HttpSM::setup_server_send_request
(this=0x2aaadccc4bf0) at HttpSM.cc:5686
#2 0x00000000005b3f85 in HttpSM::handle_api_return (this=0x2aaadccc4bf0) at
HttpSM.cc:1520
#3 0x00000000005b45f8 in HttpSM::state_api_callout (this=0x2aaadccc4bf0,
event=60000, data=0x0) at HttpSM.cc:1455
#4 0x00000000005b980b in HttpSM::state_api_callback (this=0x2aaadccc4bf0,
event=60000, data=0x0) at HttpSM.cc:1275
#5 0x00000000004d7a1b in TSHttpTxnReenable (txnp=0x2aaadccc4bf0,
event=TS_EVENT_HTTP_CONTINUE) at InkAPI.cc:5614
#6 0x00002ba118441c89 in cachefun (contp=<value optimized out>, event=<value
optimized out>, edata=0x2aaadccc4bf0) at main.cpp:1876
#7 0x00000000005b4466 in HttpSM::state_api_callout (this=0x2aaadccc4bf0,
event=<value optimized out>, data=<value optimized out>) at HttpSM.cc:1381
#8 0x00000000005b627d in HttpSM::do_http_server_open (this=0x2aaadccc4bf0,
raw=<value optimized out>) at HttpSM.cc:4639
#9 0x00000000005baa04 in HttpSM::set_next_state (this=0x2aaadccc4bf0) at
HttpSM.cc:7021
#10 0x00000000005b25a3 in HttpSM::state_cache_open_write (this=0x2aaadccc4bf0,
event=1108, data=0x2aab1c3b6800) at HttpSM.cc:2442
#11 0x00000000005b5b28 in HttpSM::main_handler (this=0x2aaadccc4bf0,
event=1108, data=0x2aab1c3b6800) at HttpSM.cc:2554
#12 0x000000000059338a in handleEvent (this=0x2aaadccc6618, event=<value
optimized out>, data=0x2aab1c3b6800) at
../../iocore/eventsystem/I_Continuation.h:145
#13 HttpCacheSM::state_cache_open_write (this=0x2aaadccc6618, event=<value
optimized out>, data=0x2aab1c3b6800) at HttpCacheSM.cc:167
#14 0x0000000000697223 in handleEvent (this=0x2aab1c3b6800, event=<value
optimized out>) at ../../iocore/eventsystem/I_Continuation.h:145
#15 CacheVC::callcont (this=0x2aab1c3b6800, event=<value optimized out>) at
../../iocore/cache/P_CacheInternal.h:662
#16 0x0000000000715940 in Cache::open_write (this=<value optimized out>,
cont=<value optimized out>, key=0x2ba0ff762d70, info=<value optimized out>,
apin_in_cache=46914401429576, type=CACHE_FRAG_TYPE_HTTP,
hostname=0x2aaadd281078
"www.mifangba.comhttpapi.phpwww.mifangba.comhttp://www.mifangba.com/api.php?op=count&id=4&modelid=12";,
host_len=16) at CacheWrite.cc:1788
#17 0x00000000006e5765 in open_write (this=<value optimized out>,
cont=0x2aaadccc6618, expected_size=<value optimized out>, url=0x2aaadccc5310,
cluster_cache_local=<value optimized out>, request=<value optimized out>,
old_info=0x0, pin_in_cache=0, type=CACHE_FRAG_TYPE_HTTP) at
P_CacheInternal.h:1093
#18 CacheProcessor::open_write (this=<value optimized out>,
cont=0x2aaadccc6618, expected_size=<value optimized out>, url=0x2aaadccc5310,
cluster_cache_local=<value optimized out>, request=<value optimized out>,
old_info=0x0, pin_in_cache=0, type=CACHE_FRAG_TYPE_HTTP) at Cache.cc:3622
#19 0x00000000005936f0 in HttpCacheSM::open_write (this=0x2aaadccc6618,
url=<value optimized out>, request=<value optimized out>, old_info=<value
optimized out>,
pin_in_cache=<value optimized out>, retry=<value optimized out>,
allow_multiple=false) at HttpCacheSM.cc:298
#20 0x00000000005a022e in HttpSM::do_cache_prepare_action (this=0x2aaadccc4bf0,
c_sm=0x2aaadccc6618, object_read_info=0x0, retry=true, allow_multiple=false) at
HttpSM.cc:4511
#21 0x00000000005babd9 in do_cache_prepare_write (this=0x2aaadccc4bf0) at
HttpSM.cc:4436
#22 HttpSM::set_next_state (this=0x2aaadccc4bf0) at HttpSM.cc:7098
#23 0x00000000005b3f5f in HttpSM::handle_api_return (this=0x2aaadccc4bf0) at
HttpSM.cc:1517
#24 0x00000000005b45f8 in HttpSM::state_api_callout (this=0x2aaadccc4bf0,
event=0, data=0x0) at HttpSM.cc:1455
#25 0x00000000005ba712 in HttpSM::set_next_state (this=0x2aaadccc4bf0) at
HttpSM.cc:6876
#26 0x00000000005ba702 in HttpSM::set_next_state (this=0x2aaadccc4bf0) at
HttpSM.cc:6919
#27 0x00000000005b3f5f in HttpSM::handle_api_return (this=0x2aaadccc4bf0) at
HttpSM.cc:1517
#28 0x00000000005b45f8 in HttpSM::state_api_callout (this=0x2aaadccc4bf0,
event=60000, data=0x0) at HttpSM.cc:1455
#29 0x00000000005b980b in HttpSM::state_api_callback (this=0x2aaadccc4bf0,
event=60000, data=0x0) at HttpSM.cc:1275
#30 0x00000000004d7a1b in TSHttpTxnReenable (txnp=0x2aaadccc4bf0,
event=TS_EVENT_HTTP_CONTINUE) at InkAPI.cc:5614
#31 0x00002ba11844215d in service_from_this (contp=<value optimized out>,
event=<value optimized out>, edata=0x2aaadccc4bf0) at main.cpp:1498
#32 cachefun (contp=<value optimized out>, event=<value optimized out>,
edata=0x2aaadccc4bf0) at main.cpp:1811
#33 0x00000000005b4466 in HttpSM::state_api_callout (this=0x2aaadccc4bf0,
event=<value optimized out>, data=<value optimized out>) at HttpSM.cc:1381
#34 0x00000000005b980b in HttpSM::state_api_callback (this=0x2aaadccc4bf0,
event=60000, data=0x0) at HttpSM.cc:1275
#35 0x00000000004d7a1b in TSHttpTxnReenable (txnp=0x2aaadccc4bf0,
event=TS_EVENT_HTTP_CONTINUE) at InkAPI.cc:5614
#36 0x00002ba1070e3275 in refresh_hook (contp=<value optimized out>,
event=<value optimized out>, edata=0x2aaadccc4bf0) at main.cpp:533
#37 0x00000000005b4466 in HttpSM::state_api_callout (this=0x2aaadccc4bf0,
event=<value optimized out>, data=<value optimized out>) at HttpSM.cc:1381
#38 0x00000000005b7a68 in do_api_callout (this=0x2aaadccc4bf0, event=1103,
data=0xffffffffffffb050) at HttpSM.cc:442
#39 setup_cache_lookup_complete_api (this=0x2aaadccc4bf0, event=1103,
data=0xffffffffffffb050) at HttpSM.cc:2451
#40 HttpSM::state_cache_open_read (this=0x2aaadccc4bf0, event=1103,
data=0xffffffffffffb050) at HttpSM.cc:2512
---Type <return> to continue, or q <return> to quit---
#41 0x00000000005b5b28 in HttpSM::main_handler (this=0x2aaadccc4bf0,
event=1103, data=0xffffffffffffb050) at HttpSM.cc:2554
#42 0x0000000000593a42 in handleEvent (this=0x2aaadccc6618, event=1103,
data=0xffffffffffffb050) at ../../iocore/eventsystem/I_Continuation.h:145
#43 HttpCacheSM::state_cache_open_read (this=0x2aaadccc6618, event=1103,
data=0xffffffffffffb050) at HttpCacheSM.cc:131
#44 0x0000000000703cae in Cache::open_read (this=<value optimized out>,
cont=0x2aaadccc6618, key=<value optimized out>, request=0x2aaadccc52f8,
params=0x2aaadccc4cd0,
type=<value optimized out>, hostname=0x2aaadd281078
"www.mifangba.comhttpapi.phpwww.mifangba.comhttp://www.mifangba.com/api.php?op=count&id=4&modelid=12";,
host_len=16)
at CacheRead.cc:149
#45 0x00000000006e153d in open_read (this=<value optimized out>,
cont=0x2aaadccc6618, url=0x2aaadccc5310, cluster_cache_local=<value optimized
out>, request=0x2aaadccc52f8,
params=0x2aaadccc4cd0, pin_in_cache=0, type=CACHE_FRAG_TYPE_HTTP) at
P_CacheInternal.h:1074
#46 CacheProcessor::open_read (this=<value optimized out>, cont=0x2aaadccc6618,
url=0x2aaadccc5310, cluster_cache_local=<value optimized out>,
request=0x2aaadccc52f8,
params=0x2aaadccc4cd0, pin_in_cache=0, type=CACHE_FRAG_TYPE_HTTP) at
Cache.cc:3598
#47 0x00000000005934f4 in do_cache_open_read (this=<value optimized out>,
url=<value optimized out>, hdr=<value optimized out>, params=<value optimized
out>,
pin_in_cache=<value optimized out>) at HttpCacheSM.cc:211
#48 HttpCacheSM::open_read (this=<value optimized out>, url=<value optimized
out>, hdr=<value optimized out>, params=<value optimized out>,
pin_in_cache=<value optimized out>)
at HttpCacheSM.cc:243
#49 0x00000000005a0533 in HttpSM::do_cache_lookup_and_read
(this=0x2aaadccc4bf0) at HttpSM.cc:4389
#50 0x00000000005bac3f in HttpSM::set_next_state (this=0x2aaadccc4bf0) at
HttpSM.cc:6986
#51 0x00000000005b3f5f in HttpSM::handle_api_return (this=0x2aaadccc4bf0) at
HttpSM.cc:1517
#52 0x00000000005b45f8 in HttpSM::state_api_callout (this=0x2aaadccc4bf0,
event=0, data=0x0) at HttpSM.cc:1455
#53 0x00000000005ba712 in HttpSM::set_next_state (this=0x2aaadccc4bf0) at
HttpSM.cc:6876
#54 0x000000000059fa6e in HttpSM::state_remap_request (this=0x2aaadccc4bf0,
event=63002) at HttpSM.cc:3880
#55 0x00000000005b5b28 in HttpSM::main_handler (this=0x2aaadccc4bf0,
event=63002, data=0x0) at HttpSM.cc:2554
#56 0x000000000061b15a in handleEvent (this=0x2aaadcfc8080, event=1,
e=0x2aaaf9350d80) at ../../../iocore/eventsystem/I_Continuation.h:145
#57 RemapPlugins::run_remap (this=0x2aaadcfc8080, event=1, e=0x2aaaf9350d80) at
RemapPlugins.cc:179
#58 0x0000000000765165 in handleEvent (this=0x2ba0ff262010, e=0x2aaaf9350d80,
calling_code=1) at I_Continuation.h:145
#59 EThread::process_event (this=0x2ba0ff262010, e=0x2aaaf9350d80,
calling_code=1) at UnixEThread.cc:128
#60 0x00000000007659fb in EThread::execute (this=0x2ba0ff262010) at
UnixEThread.cc:179
#61 0x00000000007645aa in spawn_thread_internal (a=0x2919020) at Thread.cc:85
#62 0x00000035966079d1 in start_thread () from /lib64/libpthread.so.0
#63 0x0000003595ee88fd in clone () from /lib64/libc.so.6
(gdb) f 0
#0 0x00000000005bdb8b in HttpServerSession::do_io_write (this=<value optimized
out>, c=0x2aaadccc4bf0, nbytes=576, buf=0x2aaafc2ffee8, owner=false)
at HttpServerSession.cc:104
104 return server_vc->do_io_write(c, nbytes, buf, owner);
(gdb) l
99 }
100
101 VIO *
102 HttpServerSession::do_io_write(Continuation *c, int64_t nbytes,
IOBufferReader *buf, bool owner)
103 {
104 return server_vc->do_io_write(c, nbytes, buf, owner);
105 }
106
107 void
108 HttpServerSession::do_io_shutdown(ShutdownHowTo_t howto)
(gdb) p server_vc
value has been optimized out
(gdb) f 1
#1 0x00000000005acc1d in HttpSM::setup_server_send_request
(this=0x2aaadccc4bf0) at HttpSM.cc:5686
5686 server_entry->write_vio = server_entry->vc->do_io_write(this,
hdr_length, buf_start);
(gdb) l
5681
MIME_PRESENCE_WWW_AUTHENTICATE)) {
5682 DebugSM("http_ss", "Setting server session to private for
authorization header");
5683 set_server_session_private(true);
5684 }
5685 milestones.server_begin_write = ink_get_hrtime();
5686 server_entry->write_vio = server_entry->vc->do_io_write(this,
hdr_length, buf_start);
5687 }
5688
5689 void
5690 HttpSM::setup_server_read_response_header()
(gdb) p server_entry
$1 = (HttpVCTableEntry *) 0x0
(gdb)
{code}
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