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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_man.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_man.c')
| -rw-r--r-- | mdoc_man.c | 7 |
1 files changed, 3 insertions, 4 deletions
@@ -1,4 +1,4 @@ -/* $Id: mdoc_man.c,v 1.85 2015/02/06 03:38:45 schwarze Exp $ */ +/* $Id: mdoc_man.c,v 1.86 2015/02/11 14:15:12 schwarze Exp $ */ /* * Copyright (c) 2011-2015 Ingo Schwarze <schwarze@openbsd.org> * @@ -1140,9 +1140,8 @@ pre_eo(DECL_ARGS) n->child->end != ENDBODY_NOT) print_word("\\&"); 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))) outflags &= ~(MMAN_spc | MMAN_nl); return(1); } |