traeak commented on issue #8775:
URL: https://github.com/apache/trafficserver/issues/8775#issuecomment-1088124646
Better stack trace
```
Core was generated by
`/home/bolsen149/master/trafficserver/iocore/cache/.libs/lt-test_Alternate_S_to_'.
Program terminated with signal 11, Segmentation fault.
#0 0x0000000000580394 in object_key_get (hash=<optimized out>,
this=<optimized out>) at ./test/test_Alternate_S_to_L_remove_L.cc:228
228 REQUIRE(dir_probe(&key, vc->vol, &dir, &last_collision) != 0);
Missing separate debuginfos, use: debuginfo-install
glibc-2.17-325.el7_9.x86_64 libgcc-4.8.5-44.el7.x86_64
libstdc++-4.8.5-44.el7.x86_64 openssl11-libs-1.1.1k-2.el7.x86_64
pcre-8.32-17.el7.x86_64 xz-libs-5.2.2-1.el7.x86_64 zlib-1.2.7-19.el7_9.x86_64
(gdb) where
#0 0x0000000000580394 in object_key_get (hash=<optimized out>,
this=<optimized out>) at ./test/test_Alternate_S_to_L_remove_L.cc:228
#1 CacheAltTest_S_to_L_remove_L::delete_earliest_dir (
this=this@entry=0x1539b60, vc=0x157f880)
at ./test/test_Alternate_S_to_L_remove_L.cc:227
#2 0x0000000000580784 in CacheAltTest_S_to_L_remove_L::handle_cache_event (
this=0x1539b60, event=<optimized out>, base=0x1539bc0)
at ./test/test_Alternate_S_to_L_remove_L.cc:199
#3 0x000000000052df3a in process_event (event=<optimized out>,
this=0x1539bc0)
at ./test/main.h:131
#4 CacheReadTest::read_event(int, void*) () at ./test/main.cc:271
#5 0x00000000005bb159 in handleEvent (data=0x157fae8, event=102,
this=<optimized out>)
at
/home/bolsen149/master/trafficserver/iocore/eventsystem/I_Continuation.h:219
#6 handleEvent (data=0x157fae8, event=102, this=<optimized out>)
at
/home/bolsen149/master/trafficserver/iocore/eventsystem/I_Continuation.h:215
#7 calluser (event=102, this=<optimized out>) at P_CacheInternal.h:636
#8 CacheVC::openReadMain(int, Event*) () at CacheRead.cc:780
#9 0x0000000000597161 in handleEvent (data=0x157fa10, event=3900,
this=0x157f880)
at
/home/bolsen149/master/trafficserver/iocore/eventsystem/I_Continuation.h:219
#10 handleEvent (data=0x157fa10, event=3900, this=0x157f880)
at
/home/bolsen149/master/trafficserver/iocore/eventsystem/I_Continuation.h:215
#11 AIOCallbackInternal::io_complete (this=0x157fa10, event=<optimized out>,
data=<optimized out>)
at /home/bolsen149/master/trafficserver/iocore/aio/P_AIO.h:122
#12 0x000000000086da23 in handleEvent (data=0x152ea60, event=1,
this=0x157fa10)
at I_Continuation.h:219
#13 handleEvent (data=0x152ea60, event=1, this=0x157fa10)
at I_Continuation.h:215
#14 EThread::process_event(Event*, int) () at UnixEThread.cc:164
#15 0x000000000086e00e in EThread::process_queue (
this=this@entry=0x7fb2686f3010,
NegativeQueue=NegativeQueue@entry=0x7fb2686f0480,
ev_count=ev_count@entry=0x7fb2686f047c,
nq_count=nq_count@entry=0x7fb2686f0478) at UnixEThread.cc:199
#16 0x000000000086e44b in EThread::execute_regular (
this=this@entry=0x7fb2686f3010) at UnixEThread.cc:255
#17 0x000000000086eac2 in execute (this=0x7fb2686f3010) at UnixEThread.cc:360
#18 EThread::execute (this=0x7fb2686f3010) at UnixEThread.cc:338
#19 0x000000000086c8a2 in spawn_thread_internal (a=0x152fa80) at Thread.cc:91
#20 0x00007fb26a0faea5 in start_thread () from /lib64/libpthread.so.0
#21 0x00007fb2693ffb0d in clone () from /lib64/libc.so.6
```
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