[Bug gdb/31203] [gdb] FAIL: gdb.base/kill-during-detach.exp: exit_p=true: checkpoint_p=true: python kill_and_detach()

["vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=31203

--- Comment #4 from Tom de Vries <vries at gcc dot gnu.org> ---
Created attachment 15279
  --> https://sourceware.org/bugzilla/attachment.cgi?id=15279&action=edit
gdb.log (with internal-error instead of error)

Backtrace at error:
...
0x4f53fb gdb_internal_backtrace_1
        /home/vries/gdb/src/gdb/bt-utils.c:122
0x4f53fb _Z22gdb_internal_backtracev
        /home/vries/gdb/src/gdb/bt-utils.c:168
0x89d897 internal_vproblem
        /home/vries/gdb/src/gdb/utils.c:396
0x89db67 _Z15internal_verrorPKciS0_St9__va_list
        /home/vries/gdb/src/gdb/utils.c:476
0xa001e3 _Z18internal_error_locPKciS0_z
        /home/vries/gdb/src/gdbsupport/errors.cc:58
0x83773f _Z25validate_registers_accessv
        /home/vries/gdb/src/gdb/thread.c:1002
0x61b50f _Z17get_current_framev
        /home/vries/gdb/src/gdb/frame.c:1681
0x65a7a3
_Z27call_function_by_hand_dummyP5valueP4typeN3gdb10array_viewIS0_EEPFvPviES6_
        /home/vries/gdb/src/gdb/infcall.c:893
0x5f2afb
_ZN4expr9operation16evaluate_funcallEP4typeP10expression6nosidePKcRKSt6vectorISt
10unique_ptrIS0_St14default_deleteIS0_EESaISC_EE
        /home/vries/gdb/src/gdb/eval.c:678
0x5eeeaf _ZN4expr9operation17evaluate_for_castEP4typeP10expression6noside
        /home/vries/gdb/src/gdb/eval.c:2576
0x5effab _ZN10expression8evaluateEP4type6noside
        /home/vries/gdb/src/gdb/eval.c:111
0x5f019b _Z19parse_and_eval_longPKc
        /home/vries/gdb/src/gdb/eval.c:66
0x69a237 call_lseek
        /home/vries/gdb/src/gdb/linux-fork.c:210
0x69a237 fork_load_infrun_state
        /home/vries/gdb/src/gdb/linux-fork.c:237
0x69ad13 _Z17linux_fork_detachiP8lwp_info
        /home/vries/gdb/src/gdb/linux-fork.c:393
0x6a1533 _ZN16linux_nat_target6detachEP8inferiori
        /home/vries/gdb/src/gdb/linux-nat.c:1506
0x6afd07 _ZN16thread_db_target6detachEP8inferiori
        /home/vries/gdb/src/gdb/linux-thread-db.c:1385
0x8324e3 _Z13target_detachP8inferiori
        /home/vries/gdb/src/gdb/target.c:2527
0x65d4cf _Z14detach_commandPKci
        /home/vries/gdb/src/gdb/infcmd.c:2837
0x524633 _Z8cmd_funcP16cmd_list_elementPKci
        /home/vries/gdb/src/gdb/cli/cli-decode.c:2735
0x841a07 _Z15execute_commandPKci
        /home/vries/gdb/src/gdb/top.c:575
0x52dfe3 execute_control_command_1
        /home/vries/gdb/src/gdb/cli/cli-script.c:529
0x52e497 _Z24execute_control_commandsP12command_linei
        /home/vries/gdb/src/gdb/cli/cli-script.c:411
0x75e6d3 execute_gdb_command
        /home/vries/gdb/src/gdb/python/python.c:676
0xffff266ecedb ???
0xffff266bc447 ???
0xffff266c8b63 ???
0xffff2677fac7 ???
0xffff267b0cdf ???
0xffff267a9bd7 ???
0xffff267971a7 ???
0xffff267970c3 ???
0x75fba7 python_command
        /home/vries/gdb/src/gdb/python/python.c:436
0x524633 _Z8cmd_funcP16cmd_list_elementPKci
        /home/vries/gdb/src/gdb/cli/cli-decode.c:2735
0x841a07 _Z15execute_commandPKci
        /home/vries/gdb/src/gdb/top.c:575
0x5f6d73 _Z15command_handlerPKc
        /home/vries/gdb/src/gdb/event-top.c:566
0x5f80eb _Z20command_line_handlerOSt10unique_ptrIcN3gdb13xfree_deleterIcEEE
        /home/vries/gdb/src/gdb/event-top.c:802
0x5f76b3 gdb_rl_callback_handler
        /home/vries/gdb/src/gdb/event-top.c:259
0x8eb9fb rl_callback_read_char
        /home/vries/gdb/src/readline/readline/callback.c:290
0x5f77eb gdb_rl_callback_read_char_wrapper_noexcept
        /home/vries/gdb/src/gdb/event-top.c:195
0x5f7963 gdb_rl_callback_read_char_wrapper
        /home/vries/gdb/src/gdb/event-top.c:234
0x8797cf stdin_event_handler
        /home/vries/gdb/src/gdb/ui.c:155
0xa008e7 gdb_wait_for_event
        /home/vries/gdb/src/gdbsupport/event-loop.cc:716
0xa0135b _Z16gdb_do_one_eventi
        /home/vries/gdb/src/gdbsupport/event-loop.cc:264
0x6bfccf start_event_loop
        /home/vries/gdb/src/gdb/main.c:408
0x6bfccf captured_command_loop
        /home/vries/gdb/src/gdb/main.c:472
0x6c2403 captured_main
        /home/vries/gdb/src/gdb/main.c:1343
0x6c2403 _Z8gdb_mainP18captured_main_args
        /home/vries/gdb/src/gdb/main.c:1362
0x4244e3 main
        /home/vries/gdb/src/gdb/gdb.c:39
...

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