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Re: [Emacs-diffs] master 8ba156f: Attempt to avoid crashes in plist-memb
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From: |
Eli Zaretskii |
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Subject: |
Re: [Emacs-diffs] master 8ba156f: Attempt to avoid crashes in plist-member |
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Date: |
Tue, 13 Oct 2015 05:42:47 +0300 |
> From: Stefan Monnier <address@hidden>
> Cc: Eli Zaretskii <address@hidden>
> Date: Mon, 12 Oct 2015 21:07:00 -0400
>
> > Attempt to avoid crashes in plist-member
>
> > * src/fns.c (Fplist_member): Don't call QUIT between a CONSP test
> > and a call to XCDR. (Bug#21655)
>
> I have no objection to the patch itself, but I must say that I wonder
> how it can avoid crashes. IOW why would calling QUIT between a CONSP test
> and a call to XCDR be dangerous?
QUIT could call some Lisp.
How else would you explain a segfault in that loop?
Re: [Emacs-diffs] master 8ba156f: Attempt to avoid crashes in plist-member, Andreas Schwab, 2015/10/15