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From: Martin Jambor <mjambor@suse.cz>
To: Jakub Jelinek <jakub@redhat.com>,
	Tobias Burnus <tobias@codesourcery.com>
Cc: gcc-patches@gcc.gnu.org
Subject: Re: [patch, libgomp] Fix segfault with plugin-hsa
Date: Wed, 11 Sep 2019 12:07:00 -0000	[thread overview]
Message-ID: <ri6o8zr3ul8.fsf@suse.cz> (raw)
In-Reply-To: <20190911094856.GH2120@tucnak>

Hi,

On Wed, Sep 11 2019, Jakub Jelinek wrote:
> On Wed, Sep 11, 2019 at 11:30:17AM +0200, Tobias Burnus wrote:
>> when playing around with offloading, I got an hsa initialization error
>> (/dev/... lacked write permission) and the library call returned with an
>> error status – but hsa_fns.hsa_status_string_fn didn't set the message to
>> the string variable.
>> 
>> Hence, the string variable was uninitialized and libgomp crashed when
>> printing the error message; "[unknown]" is not the best HSA run-time
>> message, but at least the primary message is shown and there is no crash :-)
>
> LGTM, but give Martin (CCed) as the author a chance to chime in.

Looks good to me too.  Thanks.

Martin

>
>> 2019-09-11  Tobias Burnus  <tobias@codesourcery.com>
>> 
>>         * plugin/plugin-hsa.c (hsa_warn, hsa_fatal, hsa_error): Ensure
>>         string is initialized.

      reply	other threads:[~2019-09-11 12:07 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-11  9:30 Tobias Burnus
2019-09-11  9:49 ` Jakub Jelinek
2019-09-11 12:07   ` Martin Jambor [this message]

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