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Re: b43/leds: Ensure NUL-termination of LED name string

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Jonas Gorski <jonas.gorski@xxxxxxxxx> writes:

> On 9 August 2018 at 17:28, Kalle Valo <kvalo@xxxxxxxxxxxxxxxx> wrote:
>> Michael Büsch <m@xxxxxxx> writes:
>>
>>> strncpy might not NUL-terminate the string, if the name equals the buffer size.
>>> Use strlcpy instead.
>>>
>>> Signed-off-by: Michael Buesch <m@xxxxxxx>
>>> Cc: stable@xxxxxxxxxxxxxxx
>>
>> This is weird, with all the patches you submitted last week I get this
>> if I download the patch from patchwork:
>>
>> $ git am -s 1.mbox
>> Patch is empty. Was it split wrong?
>>
>> But if I download the patch directly from my IMAP folder I have no
>> problems:
>>
>> $ git am -s 1.mbox
>> Applying: b43/leds: Ensure NUL-termination of LED name string
>>
>> This happens even without my custom patchwork script so this has
>> something to do with the patchwork server, but it's not obvious to me
>> what triggers it. IIRC I have not seen anything like this before. It
>> seems that you didn't use git-send-email, I strongly suggest to use that
>> just to avoid problems like this.
>
> Looks like patchwork mishandles the pgp signature, the patchwork mbox has
>
>> Content-Type: multipart/signed; micalg=pgp-sha512;
>>  boundary="Sig_/EN90ciRq4eWXDUcnZABQ0Ak"; protocol="application/pgp-signature"
>
> as the only content-type (and the boundary is nowhere to be found),
> while the one in my inbox has
>
>> Content-Type: multipart/signed; micalg=pgp-sha512;
>> boundary="Sig_/EN90ciRq4eWXDUcnZABQ0Ak";
>> protocol="application/pgp-signature"
>>
>> --Sig_/EN90ciRq4eWXDUcnZABQ0Ak
>> Content-Type: text/plain; charset=US-ASCII
>> Content-Transfer-Encoding: quoted-printable
>
> When I remove the Content-Type: line(s) from the mbox from patchwork,
> git recognises it again as a patch. I guess git am ignores everything
> until the boundary, which got dropped by patchwork, so it never finds
> the actual patch.

Awesome, thanks for debugging this! It would be great if someone could
report this to the patchwork maintainers, I don't have the time right
now.

-- 
Kalle Valo




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