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Posted to github@trafficserver.apache.org by "bryancall (via GitHub)" <gi...@apache.org> on 2023/01/27 19:35:23 UTC
[GitHub] [trafficserver] bryancall commented on pull request #9336: Fixed some memory leaks with http/3
bryancall commented on PR #9336:
URL: https://github.com/apache/trafficserver/pull/9336#issuecomment-1406986976
For reference this is where `HQSession::remove_transaction` is called:
```
Thread 12 "[ET_NET 9]" hit Breakpoint 1, Queue<HQTransaction, Continuation::Link_link>::remove (this=<optimized out>, e=<optimized out>) at /home/bcall/dev/apache/trafficserver/build-Linux_clang_h3_asan/../include/tscore/List.h:592
592 if (tail == e)
(gdb) bt
#0 Queue<HQTransaction, Continuation::Link_link>::remove (this=<optimized out>, e=<optimized out>)
at /home/bcall/dev/apache/trafficserver/build-Linux_clang_h3_asan/../include/tscore/List.h:592
#1 HQSession::remove_transaction (this=0x620000010080, trans=0x626000012100) at ../../../proxy/http3/Http3Session.cc:57
#2 0x0000000000f59ebc in Http3App::_handle_bidi_stream_on_write_complete (this=<optimized out>, event=<optimized out>, vio=0x612000073170)
at ../../../proxy/http3/Http3App.cc:354
#3 0x0000000000f57acd in Http3App::main_event_handler (this=0x62600000f100, event=103, data=<optimized out>) at ../../../proxy/http3/Http3App.cc:148
#4 0x0000000000fa9f5f in Continuation::handleEvent (this=<optimized out>, event=103, data=0x62c000004b40) at ../../../iocore/eventsystem/I_Continuation.h:227
#5 EThread::process_event (this=<optimized out>, e=0x62c000004b40, calling_code=<optimized out>) at ../../../iocore/eventsystem/UnixEThread.cc:152
#6 0x0000000000faae90 in EThread::process_queue (this=this@entry=0x7ffff0ad1800, NegativeQueue=NegativeQueue@entry=0x7fffe79400a0,
ev_count=ev_count@entry=0x7fffe79400d0, nq_count=nq_count@entry=0x7fffe79400c0) at ../../../iocore/eventsystem/UnixEThread.cc:187
#7 0x0000000000fac572 in EThread::execute_regular (this=0x7ffff0ad1800) at ../../../iocore/eventsystem/UnixEThread.cc:265
#8 0x0000000000fadbcc in EThread::execute (this=0x7ffff0ad1800) at ../../../iocore/eventsystem/UnixEThread.cc:337
#9 0x0000000000fa78bc in spawn_thread_internal (a=0x606000040940) at ../../../iocore/eventsystem/Thread.cc:79
#10 0x00007ffff6cae12d in start_thread (arg=<optimized out>) at pthread_create.c:442
#11 0x00007ffff6d2fbc0 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
```
And `Http3HeaderFramer::~Http3HeaderFramer`:
```
Thread 12 "[ET_NET 9]" hit Breakpoint 2, Http3HeaderFramer::~Http3HeaderFramer (this=0x611000070fc0) at ../../../proxy/http3/Http3HeaderFramer.cc:40
40 {
(gdb) bt
#0 Http3HeaderFramer::~Http3HeaderFramer (this=0x611000070fc0) at ../../../proxy/http3/Http3HeaderFramer.cc:40
#1 0x0000000000f6329a in Http3Transaction::~Http3Transaction (this=0x626000012100) at ../../../proxy/http3/Http3Transaction.cc:324
#2 0x0000000000f635de in Http3Transaction::~Http3Transaction (this=0x611000070fc0) at ../../../proxy/http3/Http3Transaction.cc:323
#3 0x0000000000f59ebc in Http3App::_handle_bidi_stream_on_write_complete (this=<optimized out>, event=<optimized out>, vio=0x612000072870)
at ../../../proxy/http3/Http3App.cc:354
#4 0x0000000000f57acd in Http3App::main_event_handler (this=0x62600000f100, event=103, data=<optimized out>) at ../../../proxy/http3/Http3App.cc:148
#5 0x0000000000fa9f5f in Continuation::handleEvent (this=<optimized out>, event=103, data=0x62c0000048a0) at ../../../iocore/eventsystem/I_Continuation.h:227
#6 EThread::process_event (this=<optimized out>, e=0x62c0000048a0, calling_code=<optimized out>) at ../../../iocore/eventsystem/UnixEThread.cc:152
#7 0x0000000000faae90 in EThread::process_queue (this=this@entry=0x7ffff0ad1800, NegativeQueue=NegativeQueue@entry=0x7fffe779c0a0,
ev_count=ev_count@entry=0x7fffe779c0d0, nq_count=nq_count@entry=0x7fffe779c0c0) at ../../../iocore/eventsystem/UnixEThread.cc:187
#8 0x0000000000fac572 in EThread::execute_regular (this=0x7ffff0ad1800) at ../../../iocore/eventsystem/UnixEThread.cc:265
#9 0x0000000000fadbcc in EThread::execute (this=0x7ffff0ad1800) at ../../../iocore/eventsystem/UnixEThread.cc:337
#10 0x0000000000fa78bc in spawn_thread_internal (a=0x606000040940) at ../../../iocore/eventsystem/Thread.cc:79
#11 0x00007ffff6cae12d in start_thread (arg=<optimized out>) at pthread_create.c:442
#12 0x00007ffff6d2fbc0 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
```
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