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From: Tom Tromey <tom@tromey.com>
To: Tom de Vries via Gdb-patches <gdb-patches@sourceware.org>
Cc: Tom de Vries <tdevries@suse.de>
Subject: Re: [PATCH][gdb] Fix heap-buffer-overflow in find_program_interpreter
Date: Fri, 14 Oct 2022 11:56:38 -0600	[thread overview]
Message-ID: <87czaumgq1.fsf@tromey.com> (raw)
In-Reply-To: <20221012154131.GA24693@delia.home> (Tom de Vries via Gdb-patches's message of "Wed, 12 Oct 2022 17:41:33 +0200")

>>>>> "Tom" == Tom de Vries via Gdb-patches <gdb-patches@sourceware.org> writes:

Tom> The problem originates in find_program_interpreter, where
Tom> bfd_get_section_contents is called to read .interp, but fails.  The function
Tom> returns false but the result is ignored, so find_program_interpreter returns
Tom> some random string.

Tom> Fix this by checking the result of the call to bfd_get_section_contents.

Tom> Tested on x86_64-linux.

Tom> Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=29652

Tom> Any comments?

Looks good, thank you.

Tom

      reply	other threads:[~2022-10-14 17:56 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-12 15:41 Tom de Vries
2022-10-14 17:56 ` Tom Tromey [this message]

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