[14:26:20.074] src/tools/ci/cores_backtrace.sh linux /tmp/cores
[14:26:20.280] dumping /tmp/cores/sh-3-52622.core for /bin/sh
[14:26:20.334] 
[14:26:20.334] This GDB supports auto-downloading debuginfo from the following URLs:
[14:26:20.334]   <https://debuginfod.debian.net>
[14:26:20.334] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[14:26:20.334] Debuginfod has been disabled.
[14:26:20.334] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[14:26:20.337] [New LWP 52622]
[14:26:20.338] Core was generated by `/bin/sh -c -- cp\ \"/tmp/cirrus-ci-build/build/testrun/recovery/035_standby_logical_decoding/data/t_035_standby_logical_decoding_standby_data/archives/000000020000000000000006\"\ \"pg_wal/RECOVERYXLOG\"'.
[14:26:20.338] Program terminated with signal SIGQUIT, Quit.
[14:26:20.338] #0  0x00007f5c640bb2c0 in ?? ()
[14:26:20.338] 
[14:26:20.338] Thread 1 (LWP 52622):
[14:26:20.338] #0  0x00007f5c640bb2c0 in ?? ()
[14:26:20.338] No symbol table info available.
[14:26:20.338] #1  0x0000000000000004 in ?? ()
[14:26:20.338] No symbol table info available.
[14:26:20.338] #2  0x00007ffed7603082 in ?? ()
[14:26:20.338] No symbol table info available.
[14:26:20.338] #3  0x00007ffed7603085 in ?? ()
[14:26:20.338] No symbol table info available.
[14:26:20.338] #4  0x00007ffed7603088 in ?? ()
[14:26:20.338] No symbol table info available.
[14:26:20.338] #5  0x00007ffed760308b in ?? ()
[14:26:20.338] No symbol table info available.
[14:26:20.338] #6  0x0000000000000000 in ?? ()
[14:26:20.338] No symbol table info available.
[14:26:20.348] -e 
[14:26:20.348] 
[14:26:20.348] 
[14:26:20.765] dumping /tmp/cores/postgres-11-46099.core for /tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres
[14:26:21.016] [New LWP 46099]
[14:26:21.016] [New LWP 46101]
[14:26:21.016] 
[14:26:21.016] This GDB supports auto-downloading debuginfo from the following URLs:
[14:26:21.016]   <https://debuginfod.debian.net>
[14:26:21.016] Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
[14:26:21.016] Debuginfod has been disabled.
[14:26:21.016] To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[14:26:21.095] [Thread debugging using libthread_db enabled]
[14:26:21.095] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[14:26:21.095] Core was generated by `/tmp/cirrus-ci-build/build/tmp_install/usr/local/pgsql/bin/postgres '' '' '''.
[14:26:21.095] Program terminated with signal SIGSEGV, Segmentation fault.
[14:26:21.095] #0  0x000055fc4ae92ed1 in fasthash32 (k=0x7ffdddf13950 "\001", len=16, seed=0) at ../src/include/common/hashfn_unstable.h:400
[14:26:21.095] 400		return fasthash_reduce32(fasthash64(k, len, seed));
[14:26:21.131] [Current thread is 1 (Thread 0x7f0c57015900 (LWP 46099))]
[14:26:21.131] 
[14:26:21.131] Thread 2 (LWP 46101):
[14:26:21.131] #0  0x0000000000000000 in ?? ()
[14:26:21.131] No symbol table info available.
[14:26:21.131] Backtrace stopped: Cannot access memory at address 0x0
[14:26:21.131] 
[14:26:21.131] Thread 1 (Thread 0x7f0c57015900 (LWP 46099)):
[14:26:21.131] #0  0x000055fc4ae92ed1 in fasthash32 (k=0x7ffdddf13950 "\001", len=16, seed=0) at ../src/include/common/hashfn_unstable.h:400
[14:26:21.131] No locals.
[14:26:21.131] #1  pgstat_hash_hash_key (d=0x7ffdddf13950, size=16, arg=<optimized out>) at ../src/include/utils/pgstat_internal.h:974
[14:26:21.131]         key = 0x7ffdddf13950 "\001"
[14:26:21.131] Backtrace stopped: Cannot access memory at address 0xddf138e8