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Posted to issues@trafficserver.apache.org by "brbzull0 (via GitHub)" <gi...@apache.org> on 2023/06/06 19:12:33 UTC
[GitHub] [trafficserver] brbzull0 opened a new issue, #9782: Http3 crash
brbzull0 opened a new issue, #9782:
URL: https://github.com/apache/trafficserver/issues/9782
After merging from master, I've got the following crash. This seem it was introduced by https://github.com/apache/trafficserver/pull/9729
https://github.com/apache/trafficserver/blob/eb096642383d1a66c152a470e1ee480205f7226a/proxy/http3/Http3Transaction.cc#L309
```
(gdb) bt
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1 0x00007ffff7127859 in __GI_abort () at abort.c:79
#2 0x00007ffff7ef0ff1 in ink_abort (message_format=0x7ffff7f5e020 "%s:%d: failed assertion `%s`") at ink_error.cc:99
#3 0x00007ffff7eebe9d in _ink_assert (expression=0x55555609c1b0 "this->_write_ready_event == e", file=0x55555609c158 "Http3Transaction.cc", line=309)
at ink_assert.cc:37
#4 0x0000555555f7ea02 in HQTransaction::_close_write_ready_event (this=0x7fffd0101f60, e=0x0) at Http3Transaction.cc:309
#5 0x0000555555f80cff in Http3Transaction::state_stream_closed (this=0x7fffd0101f60, event=101, data=0x0) at Http3Transaction.cc:507
#6 0x0000555555a45497 in Continuation::handleEvent (this=0x7fffd0101f60, event=101, data=0x0)
at /home/dmeden/code/git/trafficserver-h3/iocore/eventsystem/I_Continuation.h:228
#7 0x0000555555f76e3c in Http3App::_handle_bidi_stream_on_write_ready (this=0x7fffd00e3970, event=101, vio=0x7fffd00fef08) at Http3App.cc:338
#8 0x0000555555f75d1c in Http3App::main_event_handler (this=0x7fffd00e3970, event=101, data=0x5555565d6800) at Http3App.cc:141
#9 0x0000555555a45497 in Continuation::handleEvent (this=0x7fffd00e3970, event=101, data=0x5555565d6800)
at /home/dmeden/code/git/trafficserver-h3/iocore/eventsystem/I_Continuation.h:228
#10 0x0000555555fbbaed in EThread::process_event (this=0x555556b484b0, e=0x5555565d6800, calling_code=101) at UnixEThread.cc:149
#11 0x0000555555fbbd3a in EThread::process_queue (this=0x555556b484b0, NegativeQueue=0x7fffd7efd0f0, ev_count=0x7fffd7efd0a4, nq_count=0x7fffd7efd0a0)
at UnixEThread.cc:184
#12 0x0000555555fbc18d in EThread::execute_regular (this=0x555556b484b0) at UnixEThread.cc:262
#13 0x0000555555fbc474 in EThread::execute (this=0x555556b484b0) at UnixEThread.cc:334
#14 0x0000555555fbabbc in spawn_thread_internal (a=0x5555565ccc40) at Thread.cc:79
#15 0x00007ffff7780609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#16 0x00007ffff7224133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
(gdb) f 4
#4 0x0000555555f7ea02 in HQTransaction::_close_write_ready_event (this=0x7fffd0101f60, e=0x0) at Http3Transaction.cc:309
309 ink_assert(this->_write_ready_event == e);
(gdb) print e
$17 = (Event *) 0x0
(gdb) f 8
#8 0x0000555555f75d1c in Http3App::main_event_handler (this=0x7fffd00e3970, event=101, data=0x5555565d6800) at Http3App.cc:141
141 this->_handle_bidi_stream_on_write_ready(event, vio);
(gdb) print data->_location
$18 = (const void *) 0x555555fa62fa <QUICStreamVCAdapter::encourge_write()+232>
(gdb) print data
$19 = (Event *) 0x5555565d6800
(gdb)
```
the only way to get this was using `h2load` and using some concurrent requests.
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[GitHub] [trafficserver] maskit closed issue #9782: Http3 transaction crash
Posted by "maskit (via GitHub)" <gi...@apache.org>.
maskit closed issue #9782: Http3 transaction crash
URL: https://github.com/apache/trafficserver/issues/9782
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[GitHub] [trafficserver] bryancall commented on issue #9782: Http3 transaction crash
Posted by "bryancall (via GitHub)" <gi...@apache.org>.
bryancall commented on issue #9782:
URL: https://github.com/apache/trafficserver/issues/9782#issuecomment-1579323858
I am seeing a similar core on docs:
```
/var/lib/apport/coredump$ sudo gdb /opt/ats/bin/traffic_server core._opt_ats_bin_traffic_server.65534.b48db689-2ba1-449e-a712-0800c7998be0.720880.1253043068
(gdb) bt full
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
set = {__val = {0 <repeats 16 times>}}
pid = <optimized out>
tid = <optimized out>
ret = <optimized out>
#1 0x00007f450d24c859 in __GI_abort () at abort.c:79
save_stage = 1
act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0x7f4483e0a0b0}
sigs = {__val = {32, 0 <repeats 15 times>}}
#2 0x00007f450e009ff1 in ink_abort (message_format=0x7f450e077040 "%s:%d: failed assertion `%s`") at ink_error.cc:99
ap = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7f4509baed40, reg_save_area = 0x7f4509baec80}}
#3 0x00007f450e004e9d in _ink_assert (expression=0x55df52c6114c "this->_read_ready_event == e", file=0x55df52c61138 "Http3Transaction.cc", line=255) at ink_assert.cc:37
No locals.
#4 0x000055df52b4489c in HQTransaction::_close_read_ready_event (this=0x7f4483e0a090, e=0x0) at Http3Transaction.cc:255
No locals.
#5 0x000055df52b45d09 in Http3Transaction::state_stream_open (this=0x7f4483e0a090, event=100, edata=0x0) at Http3Transaction.cc:441
lock = {m = {m_ptr = 0x7f4480e00820}, locked_p = true}
__FUNCTION__ = "state_stream_open"
#6 0x000055df5260d477 in Continuation::handleEvent (this=0x7f4483e0a090, event=100, data=0x0) at /home/maskit/src/trafficserver/iocore/eventsystem/I_Continuation.h:228
No locals.
#7 0x000055df52b3c9b4 in Http3App::_handle_bidi_stream_on_read_ready (this=0x7f44f40d4180, event=100, vio=0x7f4484c07270) at Http3App.cc:248
lock = {m = {m_ptr = 0x7f4480e00820}, locked_p = true}
adapter = 0x7f4484c07210
stream_id = 96
txn = 0x7f4483e0a090
__FUNCTION__ = "_handle_bidi_stream_on_read_ready"
#8 0x000055df52b3bd90 in Http3App::main_event_handler (this=0x7f44f40d4180, event=100, data=0x7f4484c074a0) at Http3App.cc:134
__FUNCTION__ = "main_event_handler"
vio = 0x7f4484c07270
adapter = 0x7f4484c07210
is_bidirectional = true
#9 0x000055df5260d477 in Continuation::handleEvent (this=0x7f44f40d4180, event=100, data=0x7f4484c074a0)
at /home/maskit/src/trafficserver/iocore/eventsystem/I_Continuation.h:228
No locals.
#10 0x000055df52b81b9b in EThread::process_event (this=0x55df542a9870, e=0x7f4484c074a0, calling_code=100) at UnixEThread.cc:149
c_temp = 0x7f44f40d4180
lock = {m = {m_ptr = 0x7f44f40cc2d0}, lock_acquired = true}
__FUNCTION__ = "process_event"
#11 0x000055df52b81de8 in EThread::process_queue (this=0x55df542a9870, NegativeQueue=0x7f4509baf0f0, ev_count=0x7f4509baf0a4, nq_count=0x7f4509baf0a0) at UnixEThread.cc:184
e = 0x7f4484c074a0
```
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