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* mdocml: Properly reinitialize roffce_node between parses, or this may
@ 2017-06-08 19:36 schwarze
  0 siblings, 0 replies; only message in thread
From: schwarze @ 2017-06-08 19:36 UTC (permalink / raw)
  To: source

Log Message:
-----------
Properly reinitialize roffce_node between parses,
or this may crash with use-after-free in makewhatis(8);
reported by jmc@, thanks!

Modified Files:
--------------
    mdocml:
        roff.c

Revision Data
-------------
Index: roff.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/roff.c,v
retrieving revision 1.306
retrieving revision 1.307
diff -Lroff.c -Lroff.c -u -p -r1.306 -r1.307
--- roff.c
+++ roff.c
@@ -767,6 +767,10 @@ roff_reset(struct roff *r)
 	r->format = r->options & (MPARSE_MDOC | MPARSE_MAN);
 	r->control = '\0';
 	r->escape = '\\';
+	roffce_lines = 0;
+	roffce_node = NULL;
+	roffit_lines = 0;
+	roffit_macro = NULL;
 }
 
 void
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