masaori335 commented on issue #7380:
URL: https://github.com/apache/trafficserver/issues/7380#issuecomment-748701998
I was tackling down #7379, ASan detected a leak. If I revert `ac7ed9580`,
this leak is gone.
# ASan report
```
Direct leak of 256 byte(s) in 1 object(s) allocated from:
#0 0x10a9ebbb3 in wrap_posix_memalign+0xb3
(libclang_rt.asan_osx_dynamic.dylib:x86_64+0x46bb3)
#1 0x10a12f1d9 in ats_memalign ink_memory.cc:102
#2 0x10a160ff1 in
jearena::JemallocNodumpAllocator::allocate(_InkFreeList*) JeAllocator.cc:118
#3 0x10a1356e9 in malloc_new(_InkFreeList*) ink_queue.cc:269
#4 0x10a131127 in ink_freelist_new ink_queue.cc:192
#5 0x108faf9df in ClassAllocator<HTTPCacheAlt>::alloc() Allocator.h:133
#6 0x108faf90f in HTTPInfo::create() HTTP.cc:1969
#7 0x108d7a83b in
HttpTransact::handle_cache_operation_on_forward_server_response(HttpTransact::State*)
HttpTransact.cc:4269
#8 0x108d70903 in
HttpTransact::handle_forward_server_connection_open(HttpTransact::State*)
HttpTransact.cc:3850
#9 0x108d69335 in
HttpTransact::handle_response_from_server(HttpTransact::State*)
HttpTransact.cc:3498
#10 0x108d2c124 in HttpTransact::HandleResponse(HttpTransact::State*)
HttpTransact.cc:3200
#11 0x108c51906 in HttpSM::call_transact_and_set_next_state(void
(*)(HttpTransact::State*)) HttpSM.cc:7161
#12 0x108c6ca00 in HttpSM::handle_api_return() HttpSM.cc:1590
#13 0x108c6a9d6 in HttpSM::state_api_callout(int, void*) HttpSM.cc:1525
#14 0x108cb78e9 in HttpSM::do_api_callout_internal() HttpSM.cc:5103
#15 0x108c464ac in HttpSM::do_api_callout() HttpSM.cc:340
#16 0x108c809c5 in HttpSM::state_read_server_response_header(int, void*)
HttpSM.cc:1945
#17 0x108c4539c in HttpSM::main_handler(int, void*) HttpSM.cc:2558
#18 0x108af3b57 in Continuation::handleEvent(int, void*)
I_Continuation.h:160
#19 0x1093a05b8 in read_signal_and_update(int, UnixNetVConnection*)
UnixNetVConnection.cc:83
#20 0x10939e2dc in read_from_net(NetHandler*, UnixNetVConnection*,
EThread*) UnixNetVConnection.cc:327
#21 0x10939c6e4 in UnixNetVConnection::net_read_io(NetHandler*,
EThread*) UnixNetVConnection.cc:916
#22 0x10936e0e0 in NetHandler::process_ready_list() UnixNet.cc:399
#23 0x109370469 in NetHandler::waitForActivity(long long) UnixNet.cc:532
#24 0x10941895b in EThread::execute_regular() UnixEThread.cc:278
#25 0x109419b74 in EThread::execute() UnixEThread.cc:331
#26 0x1094142ef in spawn_thread_internal(void*) Thread.cc:85
#27 0x7fff2036c94f in _pthread_start+0xdf
(libsystem_pthread.dylib:x86_64+0x694f)
#28 0x7fff2036847a in thread_start+0xe
(libsystem_pthread.dylib:x86_64+0x247a)
```
# Repro
Origin: httpbin on port 8001
ATS
```
CONFIG proxy.config.http.negative_caching_enabled INT 1
CONFIG proxy.config.http.number_of_redirections INT 1
```
Client
```
curl -vsk --http1.1
"http://localhost:8080/httpbin/redirect-to?status_code=302&url=http%3A%2F%2Flocalhost%3A8001%2F";
-o /dev/null
```
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