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From: Eli Zaretskii <eliz@gnu.org>
To: Philipp Stephani <p.stephani2@gmail.com>
Cc: 30004-done@debbugs.gnu.org
Subject: bug#30004: 27.0.50; call-interactively reads uninitialized memory
Date: Sat, 06 Jan 2018 18:26:04 +0200	[thread overview]
Message-ID: <831sj39co3.fsf@gnu.org> (raw)
In-Reply-To: <CAArVCkRFOTKYFOG6_op3wzFppv9rh96EWmneW9k3XHPJCa25=A@mail.gmail.com> (message from Philipp Stephani on Sat, 06 Jan 2018 16:03:44 +0000)

> From: Philipp Stephani <p.stephani2@gmail.com>
> Date: Sat, 06 Jan 2018 16:03:44 +0000
> Cc: 30004@debbugs.gnu.org
> 
> Eli Zaretskii <eliz@gnu.org> schrieb am Sa., 6. Jan. 2018 um 16:56 Uhr:
> 
>  > From: Philipp <p.stephani2@gmail.com>
>  > Date: Sat, 06 Jan 2018 12:31:51 +0100
>  >
>  > When passing a byte that would start a multibyte sequence,
>  > `call-interactively` uses STRING_CHAR without checking whether the
>  > entire multibyte sequence is actually part of the string.  For example:
>  >
>  > $ emacs -batch -nw -Q -eval '(call-interactively (lambda () (interactive "\xFF")))'
>  > Invalid control letter ‘𿯾’ (#o775776, #x3fbfe) in interactive calling string
> 
>  Thanks for catching this.  Does the patch below fix this?
> 
> Yes, with that patch Valgrind doesn't find any errors any more. 

Thanks, pushed to the emacs-26 branch.





      reply	other threads:[~2018-01-06 16:26 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-06 11:31 bug#30004: 27.0.50; call-interactively reads uninitialized memory Philipp
2018-01-06 15:56 ` Eli Zaretskii
2018-01-06 16:03   ` Philipp Stephani
2018-01-06 16:26     ` Eli Zaretskii [this message]

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