From: Michael Weghorn <m.weghorn@posteo.de>
To: Simon Marchi <simark@simark.ca>, gdb-patches@sourceware.org
Subject: Re: [PATCH 3/4] [PR gdbserver/25893]: Use construct_inferior_arguments which handles special chars
Date: Tue, 12 May 2020 18:10:53 +0200 [thread overview]
Message-ID: <90ccee6c-8055-1c44-f8e2-c25b2415847f@posteo.de> (raw)
In-Reply-To: <f08b021b-b6fc-6640-761a-3c31bfdc1bab@simark.ca>
On 08/05/2020 00.09, Simon Marchi wrote:
> While trying out stuff to review patch 4, I noticed a crash introduced by this patch.
>
> In one terminal, run gdbserver with:
>
> $ ./gdbserver --once --multi :1234
>
> In another, run GDB with:
>
> $ ./gdb /bin/ls -ex 'set pagination off' -ex 'set remote exec-file /bin/ls' -ex 'target extended-remote :1234' -ex 'run hello'
>
> Doing so segfaults gdbserver for me. Could you look into it?
This is fixed in the next version of the parent commit,
https://sourceware.org/pipermail/gdb-patches/2020-May/168348.html
I had previously missed another instance where a NULL element was passed
into the argument vector.
> The commands above try to run a new process through gdbserver. The args are passed
> to GDB using the remote protocol. You can add -ex 'set debug remote 1' before the run
> part to see the exchanged packets, the args are hex-encoded in the vRun packet.
Thanks, those commands also helped a lot in analyzing the test failures
I experienced with my patch series for the new test you have created.
Michael
next prev parent reply other threads:[~2020-05-12 16:10 UTC|newest]
Thread overview: 87+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-29 11:16 Patches for PR 25893 "gdbserver incorrectly handles program args containing space" Michael Weghorn
2020-04-29 11:16 ` [PATCH 0/4] gdb: Move construct_inferior_arguments to gdbsupport Michael Weghorn
2020-05-07 19:31 ` Simon Marchi
2020-05-12 15:50 ` Michael Weghorn
2020-04-29 11:16 ` [PATCH 1/4] gdbsupport: Extend construct_inferior_arguments to allow handling all stringify_args cases Michael Weghorn
2020-04-29 15:25 ` Christian Biesinger
2020-04-29 15:45 ` Christian Biesinger
2020-05-07 19:29 ` Simon Marchi
2020-05-12 15:48 ` Michael Weghorn
2020-05-12 16:11 ` Simon Marchi
2020-05-12 16:24 ` Michael Weghorn
2020-04-30 6:02 ` [PATCH v2 " Michael Weghorn
2020-05-07 19:49 ` Simon Marchi
2020-05-12 15:57 ` Michael Weghorn
2020-04-29 11:16 ` [PATCH 2/4] gdbserver: Don't add extra NULL to program args Michael Weghorn
2020-05-07 19:54 ` Simon Marchi
2020-05-12 16:00 ` Michael Weghorn
2020-04-29 11:16 ` [PATCH 3/4] [PR gdbserver/25893]: Use construct_inferior_arguments which handles special chars Michael Weghorn
2020-05-07 20:09 ` Simon Marchi
2020-05-07 22:09 ` Simon Marchi
2020-05-12 16:10 ` Michael Weghorn [this message]
2020-05-12 16:07 ` Michael Weghorn
2020-05-12 17:37 ` Simon Marchi
2020-05-13 1:59 ` Simon Marchi
2020-05-13 9:51 ` Michael Weghorn
2020-04-29 11:16 ` [PATCH 4/4] [PR gdbserver/25893]: Add gdbserver test for argument with space in it Michael Weghorn
2020-05-07 22:15 ` Simon Marchi
2020-05-10 15:59 ` [PATCH 1/2] gdb/testsuite: support passing inferior arguments with native-gdbserver board Simon Marchi
2020-05-10 15:59 ` [PATCH 2/2] gdb/testsuite: add inferior arguments test Simon Marchi
2020-05-15 20:07 ` Pedro Alves
2020-05-19 17:13 ` Simon Marchi
2020-05-20 16:28 ` Michael Weghorn
2020-05-15 20:07 ` [PATCH 1/2] gdb/testsuite: support passing inferior arguments with native-gdbserver board Pedro Alves
2020-05-10 16:09 ` [PATCH 4/4] [PR gdbserver/25893]: Add gdbserver test for argument with space in it Simon Marchi
2020-05-11 14:33 ` Michael Weghorn
2020-05-11 15:04 ` Simon Marchi
2020-05-12 16:20 ` Michael Weghorn
2020-05-12 16:50 ` Simon Marchi
2020-05-13 9:55 ` Michael Weghorn
2020-04-29 15:27 ` Patches for PR 25893 "gdbserver incorrectly handles program args containing space" Simon Marchi
2020-04-30 6:03 ` Michael Weghorn
2020-05-12 15:42 ` [PATCH v3 1/6] gdb: Move construct_inferior_arguments to gdbsupport Michael Weghorn
2020-05-12 15:42 ` [PATCH v3 2/6] gdbsupport: Adapt construct_inferior_arguments Michael Weghorn
2020-05-12 17:53 ` Simon Marchi
2020-05-13 9:56 ` Michael Weghorn
2020-05-12 15:42 ` [PATCH v3 3/6] gdbserver: Don't add extra NULL to program args Michael Weghorn
2020-05-12 15:42 ` [PATCH v3 4/6] nto_process_target::create_inferior: Pass args as char ** Michael Weghorn
2020-05-12 18:34 ` Simon Marchi
2020-05-13 9:56 ` Michael Weghorn
2020-05-12 15:42 ` [PATCH v3 5/6] [PR gdbserver/25893]: Use construct_inferior_arguments which handles special chars Michael Weghorn
2020-05-13 0:52 ` Simon Marchi
2020-05-13 0:54 ` Simon Marchi
2020-05-13 9:58 ` Michael Weghorn
2020-05-12 15:42 ` [PATCH v3 6/6] gdbsupport: Drop now unused function 'stringify_argv' Michael Weghorn
2020-05-13 0:52 ` Simon Marchi
2020-05-13 9:47 ` [PATCH v4 1/9] gdb: Move construct_inferior_arguments to gdbsupport Michael Weghorn
2020-05-13 9:47 ` [PATCH v4 2/9] gdbsupport: Adapt construct_inferior_arguments Michael Weghorn
2020-05-13 9:47 ` [PATCH v4 3/9] gdbsupport: Let construct_inferior_arguments take gdb::array_view param Michael Weghorn
2020-05-13 9:47 ` [PATCH v4 4/9] gdbserver: Don't add extra NULL to program args Michael Weghorn
2020-05-13 9:47 ` [PATCH v4 5/9] nto_process_target::create_inferior: Pass args as char ** Michael Weghorn
2020-05-13 9:47 ` [PATCH v4 6/9] [PR gdbserver/25893]: Use construct_inferior_arguments which handles special chars Michael Weghorn
2020-05-13 9:47 ` [PATCH v4 7/9] gdbsupport: Drop now unused function 'stringify_argv' Michael Weghorn
2020-05-13 9:47 ` [PATCH v4 8/9] gdb/testsuite: support passing inferior arguments with native-gdbserver board Michael Weghorn
2020-05-15 17:29 ` Tom de Vries
2020-05-19 17:11 ` Simon Marchi
2020-05-19 17:22 ` Simon Marchi
2020-05-19 18:46 ` Tom de Vries
2020-05-25 15:14 ` Simon Marchi
2020-05-13 9:47 ` [PATCH v4 9/9] gdb/testsuite: add inferior arguments test Michael Weghorn
2020-05-13 14:39 ` [PATCH v4 1/9] gdb: Move construct_inferior_arguments to gdbsupport Simon Marchi
2020-05-13 15:01 ` Michael Weghorn
2020-05-13 15:05 ` Simon Marchi
2020-05-20 16:37 ` Michael Weghorn
2020-05-20 16:40 ` Simon Marchi
2020-05-20 16:21 ` [PATCH v5 " Michael Weghorn
2020-05-20 16:21 ` [PATCH v5 2/9] gdbsupport: Adapt construct_inferior_arguments Michael Weghorn
2020-05-20 16:21 ` [PATCH v5 3/9] gdbsupport: Let construct_inferior_arguments take gdb::array_view param Michael Weghorn
2020-05-20 16:21 ` [PATCH v5 4/9] gdbserver: Don't add extra NULL to program args Michael Weghorn
2020-05-20 16:21 ` [PATCH v5 5/9] nto_process_target::create_inferior: Pass args as char ** Michael Weghorn
2020-05-20 16:21 ` [PATCH v5 6/9] [PR gdbserver/25893]: Use construct_inferior_arguments which handles special chars Michael Weghorn
2020-05-20 16:21 ` [PATCH v5 7/9] gdbsupport: Drop now unused function 'stringify_argv' Michael Weghorn
2020-05-20 16:21 ` [PATCH v5 8/9] gdb/testsuite: support passing inferior arguments with native-gdbserver board Michael Weghorn
2020-05-20 16:21 ` [PATCH v5 9/9] gdb/testsuite: add inferior arguments test Michael Weghorn
2020-05-25 15:42 ` [PATCH v5 1/9] gdb: Move construct_inferior_arguments to gdbsupport Simon Marchi
2020-05-26 6:17 ` Michael Weghorn
2021-09-28 14:33 ` Simon Marchi
2021-09-29 5:53 ` Michael Weghorn
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