From: Matthieu Longo <matthieu.longo@arm.com>
To: Luis <luis.machado.foss@gmail.com>, gdb-patches@sourceware.org
Cc: Luis Machado <luis.machado@amd.com>,
Andrew Burgess <aburgess@redhat.com>,
Yury Khrustalev <yury.khrustalev@arm.com>,
Pedro Alves <pedro@palves.net>, Tom Tromey <tom@tromey.com>
Subject: Re: [PATCH v1 07/10] gdb/linux-tdep: migrate linux_find_memory_regions_full to file_reader_t
Date: Mon, 27 Jul 2026 18:14:24 +0100 [thread overview]
Message-ID: <f0b1816a-4570-4800-b44e-9a61a0caa8f9@arm.com> (raw)
In-Reply-To: <42038b62-76dc-4d34-ae37-02bfd0331893@gmail.com>
On 21/07/2026 22:47, Luis wrote:
>
> On 07/07/2026 16:48, Matthieu Longo wrote:
>> The previous implementation of linux_find_memory_regions_full could
>> still return success even when none of the /proc/PID/[s]maps files
>> existed, or all reads returned 0 bytes (this last case can happen on
>> Linux when the thread-group leader has exited).
>> As a result, the function could incorrectly succeed, allowing core
>> dump generation via the gcore command.
>> This logical defect was allowing, by chance, the function to return
>> success and hence, allowing fortuitously the codedump generation via
>
> Typo: codedump -> coredump
>
Fixed.
Matthieu
next prev parent reply other threads:[~2026-07-27 17:16 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-07 15:48 [PATCH v1 00/10] gdb: bugfix 31207 and various refactoring in linux-tdep Matthieu Longo
2026-07-07 15:48 ` [PATCH v1 01/10] gdb/linux-tdep: change linux_fill_prpsinfo to return bool Matthieu Longo
2026-07-09 6:26 ` Thiago Jung Bauermann
2026-07-09 12:23 ` Simon Marchi
2026-07-27 14:38 ` Matthieu Longo
2026-07-07 15:48 ` [PATCH v1 02/10] gdb: rely on the first alive thread TPID when reading Linux procfs files Matthieu Longo
2026-07-09 6:29 ` Thiago Jung Bauermann
2026-07-13 9:11 ` Matthieu Longo
2026-07-09 14:24 ` Simon Marchi
2026-07-14 15:47 ` Matthieu Longo
2026-07-07 15:48 ` [PATCH v1 03/10] target_fileio_read_stralloc: add an optional length parameter Matthieu Longo
2026-07-09 6:30 ` Thiago Jung Bauermann
2026-07-13 15:26 ` Matthieu Longo
2026-07-24 2:50 ` Thiago Jung Bauermann
2026-07-27 14:52 ` Matthieu Longo
2026-07-29 1:57 ` Thiago Jung Bauermann
2026-07-21 21:28 ` Luis
2026-07-27 14:48 ` Matthieu Longo
2026-07-27 14:53 ` Matthieu Longo
2026-07-07 15:48 ` [PATCH v1 04/10] gdb support: add gdb::replace algorithm for iterators and ranges Matthieu Longo
2026-07-09 6:30 ` Thiago Jung Bauermann
2026-07-10 21:21 ` Kevin Buettner
2026-07-13 15:51 ` Matthieu Longo
2026-07-21 21:33 ` Luis
2026-07-27 14:58 ` Matthieu Longo
2026-07-07 15:48 ` [PATCH v1 05/10] gdb: introduce helper class file_reader_t Matthieu Longo
2026-07-09 6:33 ` Thiago Jung Bauermann
2026-07-13 17:17 ` Matthieu Longo
2026-07-10 21:43 ` Kevin Buettner
2026-07-13 16:31 ` Matthieu Longo
2026-07-13 15:50 ` Schimpe, Christina
2026-07-13 17:12 ` Matthieu Longo
2026-07-22 16:36 ` Joos, Christina
2026-07-27 15:13 ` Matthieu Longo
2026-07-07 15:48 ` [PATCH v1 06/10] gdb/linux-tdep: migrate linux_info_proc to file_reader_t Matthieu Longo
2026-07-09 6:35 ` Thiago Jung Bauermann
2026-07-13 17:20 ` Matthieu Longo
2026-07-21 21:43 ` Luis
2026-07-27 17:11 ` Matthieu Longo
2026-07-07 15:48 ` [PATCH v1 07/10] gdb/linux-tdep: migrate linux_find_memory_regions_full " Matthieu Longo
2026-07-09 6:36 ` Thiago Jung Bauermann
2026-07-14 8:40 ` Matthieu Longo
2026-07-24 2:51 ` Thiago Jung Bauermann
2026-07-21 21:47 ` Luis
2026-07-27 17:14 ` Matthieu Longo [this message]
2026-07-07 15:48 ` [PATCH v1 08/10] gdb/linux-tdep: migrate parse_smaps_data " Matthieu Longo
2026-07-09 6:41 ` Thiago Jung Bauermann
2026-07-14 8:49 ` Matthieu Longo
2026-07-24 2:52 ` Thiago Jung Bauermann
2026-07-21 21:49 ` Luis
2026-07-27 17:17 ` Matthieu Longo
2026-07-07 15:48 ` [PATCH v1 09/10] gdb/linux-tdep: parse ProtectionKey in /proc/PID/smaps Matthieu Longo
2026-07-09 6:42 ` Thiago Jung Bauermann
2026-07-14 9:12 ` Matthieu Longo
2026-07-14 9:29 ` Matthieu Longo
2026-07-24 2:58 ` Thiago Jung Bauermann
2026-07-24 10:27 ` Yury Khrustalev
2026-07-25 6:40 ` Thiago Jung Bauermann
2026-07-27 8:22 ` Yury Khrustalev
2026-07-29 1:10 ` Thiago Jung Bauermann
2026-07-21 21:57 ` Luis
2026-07-27 17:54 ` Matthieu Longo
2026-07-07 15:49 ` [PATCH v1 10/10] gdb/linux: add helpers to read AT_HWCAP3 and AT_HWCAP4 Matthieu Longo
2026-07-09 6:44 ` Thiago Jung Bauermann
2026-07-21 21:58 ` Luis
2026-07-27 17:32 ` Matthieu Longo
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