From: Eric Blake
To: Laszlo Ersek , d...@python.org
Cc: Nir Soffer , arye...@google.com,
libguestfs@redhat.com, shtark...@google.com
Bcc:
Subject: Re: [Libguestfs] [PATCH 1/2] python: Avoid crash if callback
parameters cannot be built
Reply-To:
In-Reply-To:
[adding d...@python.org
On 2/20/23 21:52, Eric Blake wrote:
> On Mon, Feb 20, 2023 at 09:08:08PM +0200, Nir Soffer wrote:
>> On Mon, Feb 20, 2023 at 10:45 AM Laszlo Ersek wrote:
>>>
>>> On 2/17/23 17:52, Eric Blake wrote:
On Thu, Feb 16, 2023 at 03:09:02PM +0100, Laszlo Ersek wrote:
>>>
> - Py_BuildValue with
On 2/20/23 20:08, Nir Soffer wrote:
> On Mon, Feb 20, 2023 at 10:45 AM Laszlo Ersek wrote:
>>
>> On 2/17/23 17:52, Eric Blake wrote:
>>> On Thu, Feb 16, 2023 at 03:09:02PM +0100, Laszlo Ersek wrote:
>>
- Py_BuildValue with the "O" format specifier transfers the new list's
*sole*
On Mon, Feb 20, 2023 at 09:08:08PM +0200, Nir Soffer wrote:
> On Mon, Feb 20, 2023 at 10:45 AM Laszlo Ersek wrote:
> >
> > On 2/17/23 17:52, Eric Blake wrote:
> > > On Thu, Feb 16, 2023 at 03:09:02PM +0100, Laszlo Ersek wrote:
> >
> > >> - Py_BuildValue with the "O" format specifier transfers the
On Mon, Feb 20, 2023 at 10:45 AM Laszlo Ersek wrote:
>
> On 2/17/23 17:52, Eric Blake wrote:
> > On Thu, Feb 16, 2023 at 03:09:02PM +0100, Laszlo Ersek wrote:
>
> >> - Py_BuildValue with the "O" format specifier transfers the new list's
> >> *sole* reference (= ownership) to the just-built
On Mon, Feb 20, 2023 at 09:45:33AM +0100, Laszlo Ersek wrote:
> On 2/17/23 17:52, Eric Blake wrote:
> > On Thu, Feb 16, 2023 at 03:09:02PM +0100, Laszlo Ersek wrote:
>
> >> - Py_BuildValue with the "O" format specifier transfers the new list's
> >> *sole* reference (= ownership) to the just-built
On 2/17/23 17:52, Eric Blake wrote:
> On Thu, Feb 16, 2023 at 03:09:02PM +0100, Laszlo Ersek wrote:
>> - Py_BuildValue with the "O" format specifier transfers the new list's
>> *sole* reference (= ownership) to the just-built higher-level object "args"
>
> Reference transfer is done with "N",
On Thu, Feb 16, 2023 at 03:09:02PM +0100, Laszlo Ersek wrote:
> On 2/14/23 19:51, Richard W.M. Jones wrote:
> > In the case that building the parameters to the Python event callback
> > fails, args was returned as NULL. We immediately tried to call
> > Py_INCREF on this which crashed. Returning
On Thu, Feb 16, 2023 at 03:09:02PM +0100, Laszlo Ersek wrote:
> On 2/14/23 19:51, Richard W.M. Jones wrote:
> > In the case that building the parameters to the Python event callback
> > fails, args was returned as NULL. We immediately tried to call
> > Py_INCREF on this which crashed. Returning
On 2/14/23 19:51, Richard W.M. Jones wrote:
> In the case that building the parameters to the Python event callback
> fails, args was returned as NULL. We immediately tried to call
> Py_INCREF on this which crashed. Returning NULL means the Python
> function threw an exception, so print the
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