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| author |   Ingo Schwarze <schwarze@openbsd.org> | 2015-02-11 14:15:12 +0000 |
|---|---|---|
| committer | Ingo Schwarze <schwarze@openbsd.org> | 2015-02-11 14:15:12 +0000 |
| commit | 69f54c346ec87b3899a95b224628d8df313bbc85 (patch) | |
| tree | 26ce4299f1e007fb6010a2553465fece16652b5e /mdoc_term.c | |
| parent | 7f9cb114fd34b6f74fb89f6b29a4bfd2f7cf921d (diff) | |
| download | mandoc-69f54c346ec87b3899a95b224628d8df313bbc85.tar.gz mandoc-69f54c346ec87b3899a95b224628d8df313bbc85.tar.zst mandoc-69f54c346ec87b3899a95b224628d8df313bbc85.zip | |
do not access a NULL pointer if an .Eo block lacks a tail;
found by jsg@ with afl, test case #16
Diffstat (limited to 'mdoc_term.c')
| -rw-r--r-- | mdoc_term.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/mdoc_term.c b/mdoc_term.c index 1c37b203..c374c983 100644 --- a/mdoc_term.c +++ b/mdoc_term.c @@ -1,4 +1,4 @@ -/* $Id: mdoc_term.c,v 1.308 2015/02/05 01:46:56 schwarze Exp $ */ +/* $Id: mdoc_term.c,v 1.309 2015/02/11 14:15:12 schwarze Exp $ */ /* * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> * Copyright (c) 2010, 2012-2015 Ingo Schwarze <schwarze@openbsd.org> @@ -1989,9 +1989,8 @@ termp_eo_pre(DECL_ARGS) n->child->end != ENDBODY_NOT) term_word(p, "\\&"); else if (n->end != ENDBODY_NOT ? n->child != NULL : - n->parent->head->child != NULL && - (n->parent->body->child != NULL || - n->parent->tail->child != NULL)) + n->parent->head->child != NULL && (n->child != NULL || + (n->parent->tail != NULL && n->parent->tail->child != NULL))) p->flags |= TERMP_NOSPACE; return(1); |