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From: "wuzy01 at qq dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/32618] New: internal-error: gdb_display_match_list:
 Assertion `len <= max_completions' failed.
Date: Thu, 30 Jan 2025 01:13:37 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gdb
X-Bugzilla-Component: gdb
X-Bugzilla-Version: 15.1
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: wuzy01 at qq dot com
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P2
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D32618

            Bug ID: 32618
           Summary: internal-error: gdb_display_match_list: Assertion `len
                    <=3D max_completions' failed.
           Product: gdb
           Version: 15.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: wuzy01 at qq dot com
  Target Milestone: ---

https://github.com/davidhalter/jedi/issues/2046

```python
$ gdb -ex python-interactive
>>> from jedi.utils import setup_readline
>>> setup_readline()
>>> import <TAB>
../../gdb/completer.c:2919: internal-error: gdb_display_match_list: Asserti=
on
`len <=3D max_completions' failed.
A problem internal to GDB has been detected,
further debugging may prove unreliable.
----- Backtrace -----
0x569b52 _Z22gdb_internal_backtracev
0xa5dc54 _ZL17internal_vproblemP16internal_problemPKciS2_P13__va_list_tag
0xa5e03a _Z15internal_verrorPKciS0_P13__va_list_tag
0xfbbdce _Z18internal_error_locPKciS0_z
0x5d570e _Z22gdb_display_match_listPPciiPK20match_list_displayer
0x59878f _Z22cli_display_match_listPPcii
0x7fee16269f2d rl_complete_internal
0x7fee1625e447 _rl_dispatch_subseq
0x7fee1625eb1a readline_internal_char
0x7fee1627db24 rl_callback_read_char
0x7fee127ec94c call_readline
0x7fee1595b08d PyOS_Readline
0x7fee1595b399 tok_nextc
0x7fee1595ca97 tok_get_normal_mode
0x7fee15b8af54 _PyPegen_fill_token
0x7fee15c00097 _PyPegen_parse
0x7fee1595ed1b _PyPegen_run_parser
0x7fee15a2c653 _PyPegen_run_parser_from_file_pointer
0x7fee15ba5669 PyRun_InteractiveOneObjectEx
0x7fee15c18925 _PyRun_InteractiveLoopObject
0x7fee15c18d8e PyRun_InteractiveLoopFlags
0x8aae03 _ZL26python_interactive_commandPKci
0x5a3d7c _Z8cmd_funcP16cmd_list_elementPKci
0xa16a2f _Z15execute_commandPKci
0x7a1ae7 _ZL20catch_command_errorsPFvPKciES0_ib
0x7a1bc4 _ZL15execute_cmdargsPKSt6vectorI6cmdargSaIS0_EE11cmdarg_kindS5_Pi
0x7a4155 _ZL15captured_main_1P18captured_main_args
0x7a4e9a _Z8gdb_mainP18captured_main_args
0x466cf5 main
---------------------

This is a bug, please report it.  For instructions, see:
<https://www.gnu.org/software/gdb/bugs/>.
```

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