From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 150553858439; Tue, 16 May 2023 06:04:13 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 150553858439 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1684217053; bh=3nzgHUOXEBb6iK9mpF3WNPrR5zmFe4UB/62hHgRM8cw=; h=From:To:Subject:Date:In-Reply-To:References:From; b=IJ2Uj16Dd/rrZnhnewDm3cvBD7Jfq4GFzTTQElpFAV5uBmQRQEnmIOzsfUofJyP3I Y55cvDuf+JzRW1qo3gDGU1N0ufizra4BOqvn+AS6JaKEgC3dtbVG+JBr2QbMi9wiNb nW3pw06l/yqe9G5ADACXcy+13C+RasWPspvZ4Dvk= From: "vimacs.hacks at gmail dot com" To: gdb-prs@sourceware.org Subject: [Bug mi/27770] crash with interpreter-exec Date: Tue, 16 May 2023 06:04:12 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gdb X-Bugzilla-Component: mi X-Bugzilla-Version: 10.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: vimacs.hacks at gmail dot com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at sourceware dot org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://sourceware.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://sourceware.org/bugzilla/show_bug.cgi?id=3D27770 vimacs.hacks at gmail dot com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |vimacs.hacks at gmail dot = com --- Comment #2 from vimacs.hacks at gmail dot com --- I encountered the same problem when trying to use GDB in Eclipse (hardcoded= to mi2). I use valgrind to debug this problem, and found mi->raw_stdout is uninitialised: # start gdbserver with "gdbserver :9999 /bin/ls" $ valgrind ./gdb/gdb --interpreter=3Dmi2 ... GNU gdb (GDB) 14.0.50.20230516-git ... 1-target-select remote 127.0.0.1:9999 ... 2-interpreter-exec mi "monitor set debug 1" &"monitor set debug 1\n" @"Debug output enabled.\n" =3D=3D80114=3D=3D Use of uninitialised value of size 8 =3D=3D80114=3D=3D at 0x9CA8BB: gdb_puts(char const*, ui_file*) (utils.c:= 1812) =3D=3D80114=3D=3D by 0x6DD25C: captured_mi_execute_command(ui_out*, mi_p= arse*) (mi-main.c:1867) =3D=3D80114=3D=3D by 0x6DD573: mi_execute_command(char const*, int) (mi-= main.c:1942) =3D=3D80114=3D=3D by 0x6C5B29: mi_execute_command_wrapper(char const*) (mi-interp.c:274) =3D=3D80114=3D=3D by 0x6C5919: mi_interp::exec(char const*) (mi-interp.c= :204) =3D=3D80114=3D=3D by 0x62D0E0: interp_exec(interp*, char const*) (interp= s.c:293) =3D=3D80114=3D=3D by 0x6C5A4C: mi_cmd_interpreter_exec(char const*, char= **, int) (mi-interp.c:241) =3D=3D80114=3D=3D by 0x6C2480: mi_command_mi::invoke(mi_parse*) const (m= i-cmds.c:58) =3D=3D80114=3D=3D by 0x6DDC65: mi_cmd_execute(mi_parse*) (mi-main.c:2114) =3D=3D80114=3D=3D by 0x6DD0AA: captured_mi_execute_command(ui_out*, mi_p= arse*) (mi-main.c:1818) =3D=3D80114=3D=3D by 0x6DD573: mi_execute_command(char const*, int) (mi-= main.c:1942) =3D=3D80114=3D=3D by 0x6C5B29: mi_execute_command_wrapper(char const*) (mi-interp.c:274) =3D=3D80114=3D=3D=20 =3D=3D80114=3D=3D Invalid read of size 8 =3D=3D80114=3D=3D at 0x9CA8BB: gdb_puts(char const*, ui_file*) (utils.c:= 1812) =3D=3D80114=3D=3D by 0x6DD25C: captured_mi_execute_command(ui_out*, mi_p= arse*) (mi-main.c:1867) =3D=3D80114=3D=3D by 0x6DD573: mi_execute_command(char const*, int) (mi-= main.c:1942) =3D=3D80114=3D=3D by 0x6C5B29: mi_execute_command_wrapper(char const*) (mi-interp.c:274) =3D=3D80114=3D=3D by 0x6C5919: mi_interp::exec(char const*) (mi-interp.c= :204) =3D=3D80114=3D=3D by 0x62D0E0: interp_exec(interp*, char const*) (interp= s.c:293) =3D=3D80114=3D=3D by 0x6C5A4C: mi_cmd_interpreter_exec(char const*, char= **, int) (mi-interp.c:241) =3D=3D80114=3D=3D by 0x6C2480: mi_command_mi::invoke(mi_parse*) const (m= i-cmds.c:58) =3D=3D80114=3D=3D by 0x6DDC65: mi_cmd_execute(mi_parse*) (mi-main.c:2114) =3D=3D80114=3D=3D by 0x6DD0AA: captured_mi_execute_command(ui_out*, mi_p= arse*) (mi-main.c:1818) =3D=3D80114=3D=3D by 0x6DD573: mi_execute_command(char const*, int) (mi-= main.c:1942) =3D=3D80114=3D=3D by 0x6C5B29: mi_execute_command_wrapper(char const*) (mi-interp.c:274) =3D=3D80114=3D=3D Address 0x0 is not stack'd, malloc'd or (recently) free'd --=20 You are receiving this mail because: You are on the CC list for the bug.=