GNU bug report logs - #1190
patch - fix crash in ftfont rendering

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Package: emacs;

Reported by: Kenichi Handa <handa <at> m17n.org>

Date: Fri, 17 Oct 2008 01:45:03 UTC

Severity: normal

Merged with 1065

Done: Chong Yidong <cyd <at> stupidchicken.com>

Bug is archived. No further changes may be made.

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Report forwarded to bug-submit-list <at> lists.donarmstrong.com, Emacs Bugs <bug-gnu-emacs <at> gnu.org>:
bug#1190; Package emacs. Full text and rfc822 format available.
Acknowledgement sent to Kenichi Handa <handa <at> m17n.org>:
New bug report received and forwarded. Copy sent to Emacs Bugs <bug-gnu-emacs <at> gnu.org>. Full text and rfc822 format available.

Message #5 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Kenichi Handa <handa <at> m17n.org>
To: klchxbec <at> freenet.de
Cc: bug-gnu-emacs <at> gnu.org
Subject: Re: patch - fix crash in ftfont rendering
Date: Fri, 17 Oct 2008 10:39:13 +0900

I'm very sorry for the late response.

In article <E1KlP9J-0006lR-Cr <at> www9.emo.freenet-rz.de>, klchxbec <at> freenet.de writes:

> This is a fix for a crash in otf font rendering. Emacs crashed for me when gsub_gpos->FeatureList.FeatureCount
> was zero and otf_langsys->FeatureCount was 2377.
[...]
> -	  for (features = Qnil, k = otf_langsys->FeatureCount - 1; k >= 0; k--)
> +	  for (features = Qnil, k = gsub_gpos->FeatureList.FeatureCount - 1; k >= 0; k--)

As this part is collecting features for a specific language,
the above change is not good.   I'll fix the code so that
invalid otf_langsys->FeatureCount doesn't lead to crash.
Could you tell me which font causes this problem?

---
Kenichi Handa
handa <at> ni.aist.go.jp
Merged 1065 1190. Request was from Glenn Morris <rgm <at> gnu.org> to control <at> emacsbugs.donarmstrong.com. (Fri, 17 Oct 2008 02:05:04 GMT) Full text and rfc822 format available.
bug archived. Request was from Debbugs Internal Request <don <at> donarmstrong.com> to internal_control <at> emacsbugs.donarmstrong.com. (Sat, 22 Nov 2008 15:24:03 GMT) Full text and rfc822 format available.
This bug report was last modified 16 years and 273 days ago.

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