* mandoc: eqn(7) .EQ has to break man(7) next-line scope, or tree
@ 2017-07-13 15:13 schwarze
0 siblings, 0 replies; only message in thread
From: schwarze @ 2017-07-13 15:13 UTC (permalink / raw)
To: source
Log Message:
-----------
eqn(7) .EQ has to break man(7) next-line scope, or tree corruption
and use after free many ensue; again found by jsg@ with afl(1)
Modified Files:
--------------
mandoc:
roff.c
Revision Data
-------------
Index: roff.c
===================================================================
RCS file: /home/cvs/mandoc/mandoc/roff.c,v
retrieving revision 1.321
retrieving revision 1.322
diff -Lroff.c -Lroff.c -u -p -r1.321 -r1.322
--- roff.c
+++ roff.c
@@ -2879,6 +2879,8 @@ roff_EQ(ROFF_ARGS)
{
struct roff_node *n;
+ if (r->man->macroset == MACROSET_MAN)
+ man_breakscope(r->man, ROFF_EQ);
n = roff_node_alloc(r->man, ln, ppos, ROFFT_EQN, TOKEN_NONE);
if (ln > r->man->last->line)
n->flags |= NODE_LINE;
--
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2017-07-13 15:13 mandoc: eqn(7) .EQ has to break man(7) next-line scope, or tree schwarze
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