GitHub user jaaju opened an issue:
https://github.com/apache/trafficserver/issues/1402
Crash in InactivityCop::check_inactivity with dead HttpSM, ATS 6.2.1
We are seeing this crash in ATS 6.2.1, with http/2 enabled:
```
Program terminated with signal 6, Aborted.
#0 0x00002b4d32759625 in raise () from /lib64/libc.so.6
(gdb) bt
#0 0x00002b4d32759625 in raise () from /lib64/libc.so.6
#1 0x00002b4d3275ad8d in abort () from /lib64/libc.so.6
#2 0x00002b4d2fd314f3 in ink_die_die_die (fmt=0x2b4d2fd3ddd0 "%s:%d:
failed assert `%s`", ap=0x2b4d384ffa40) at ink_error.cc:43
#3 ink_fatal_va(const char *, typedef __va_list_tag __va_list_tag *)
(fmt=0x2b4d2fd3ddd0 "%s:%d: failed assert `%s`", ap=0x2b4d384ffa40) at
ink_error.cc:65
#4 0x00002b4d2fd3158d in ink_fatal (message_format=0x11b0 <Address 0x11b0
out of bounds>) at ink_error.cc:73
#5 0x00002b4d2fd2ef35 in _ink_assert (expression=0xffffffffffffffff
<Address 0xffffffffffffffff out of bounds>, file=0x13f6 <Address 0x13f6 out of
bounds>, line=6) at ink_assert.cc:37
#6 0x00000000005a3cd2 in HttpSM::main_handler (this=0x2b4d42cad580,
event=105, data=0x2b4d9b996438) at HttpSM.cc:2818
#7 0x00000000007267e9 in handleEvent (event=<value optimized out>,
vc=0x2b4d9b996320) at ../../iocore/eventsystem/I_Continuation.h:153
#8 read_signal_and_update (event=<value optimized out>, vc=0x2b4d9b996320)
at UnixNetVConnection.cc:148
#9 0x0000000000729ddf in UnixNetVConnection::mainEvent
(this=0x2b4d9b996320, event=<value optimized out>, e=<value optimized out>) at
UnixNetVConnection.cc:1205
#10 0x000000000071f921 in handleEvent (this=0x2b4d34b1b440, event=<value
optimized out>, e=0x2b4d35756ca0) at
../../iocore/eventsystem/I_Continuation.h:153
#11 InactivityCop::check_inactivity (this=0x2b4d34b1b440, event=<value
optimized out>, e=0x2b4d35756ca0) at UnixNet.cc:102
#12 0x0000000000749f1d in handleEvent (this=0x2b4d35507000,
e=0x2b4d35756ca0, calling_code=2) at I_Continuation.h:153
#13 EThread::process_event (this=0x2b4d35507000, e=0x2b4d35756ca0,
calling_code=2) at UnixEThread.cc:148
#14 0x000000000074aa43 in EThread::execute (this=0x2b4d35507000) at
UnixEThread.cc:230
#15 0x000000000074935a in spawn_thread_internal (a=0x2b4d34b176d0) at
Thread.cc:86
#16 0x00002b4d32ac29d1 in start_thread () from /lib64/libpthread.so.0
#17 0x00002b4d3280f9dd in clone () from /lib64/libc.so.6
(gdb) f 6
#6 0x00000000005a3cd2 in HttpSM::main_handler (this=0x2b4d42cad580,
event=105, data=0x2b4d9b996438) at HttpSM.cc:2818
2818 HttpSM.cc: No such file or directory.
in HttpSM.cc
(gdb) p/x magic
$1 = 0xdeadfeed
```
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