From: Ingo Schwarze <schwarze@usta.de>
To: Michael Stapelberg <stapelberg@debian.org>
Cc: tech@mdocml.bsd.lv
Subject: Re: mandoc 1.14.3 segfault
Date: Wed, 6 Sep 2017 18:30:52 +0200 [thread overview]
Message-ID: <20170906163052.GL4224@athene.usta.de> (raw)
In-Reply-To: <CANnVG6=xf7twZwW8L1tf3B-fc0fbs+FXECRh29PtFKo0h6_wfQ@mail.gmail.com>
Hi Michael,
Michael Stapelberg wrote on Sat, Aug 12, 2017 at 12:27:32PM +0200:
> I'm running into a segfault with mandoc 1.14.3.
Sorry for the delay, i got distracted by xlocale support in our libc.
I just committed the patch below.
Given that
.SS ""
is quite exotic (and nonsensical), i consider the issue minor
and not requiring an emergency release.
Thanks for both the report and the reminder!
Yours,
Ingo
Log Message:
-----------
fix a NULL pointer access on deroff() failure;
could be triggered with '.SS ""';
reported by Michael <Stapelberg at debian>
Modified Files:
--------------
mandoc:
html.c
Revision Data
-------------
Index: html.c
===================================================================
RCS file: /home/cvs/mandoc/mandoc/html.c,v
retrieving revision 1.219
retrieving revision 1.220
diff -Lhtml.c -Lhtml.c -u -p -r1.219 -r1.220
--- html.c
+++ html.c
@@ -250,6 +250,8 @@ html_make_id(const struct roff_node *n)
buf = NULL;
deroff(&buf, n);
+ if (buf == NULL)
+ return NULL;
/* http://www.w3.org/TR/html5/dom.html#the-id-attribute */
--
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prev parent reply other threads:[~2017-09-06 16:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-12 10:27 Michael Stapelberg
2017-08-12 10:57 ` Jan Stary
2017-08-29 7:04 ` Michael Stapelberg
2017-09-06 16:30 ` Ingo Schwarze [this message]
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