diff options
| author |   schwarze <schwarze@openbsd.org> | 2015-02-11 14:14:53 +0000 |
|---|---|---|
| committer | schwarze <schwarze@openbsd.org> | 2015-02-11 14:14:53 +0000 |
| commit | c69b5c3793dd01abee94180b56ba5edc61f16195 (patch) | |
| tree | f4538fa729c866e1cbd8afa8b3df64424b884d42 /usr.bin/mandoc/mdoc_man.c | |
| parent | explicit blocks close out .Nd; fixing data structure corruption (diff) | |
| download | wireguard-openbsd-c69b5c3793dd01abee94180b56ba5edc61f16195.tar.xz wireguard-openbsd-c69b5c3793dd01abee94180b56ba5edc61f16195.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 'usr.bin/mandoc/mdoc_man.c')
| -rw-r--r-- | usr.bin/mandoc/mdoc_man.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/usr.bin/mandoc/mdoc_man.c b/usr.bin/mandoc/mdoc_man.c index 07553485220..906b99fdbac 100644 --- a/usr.bin/mandoc/mdoc_man.c +++ b/usr.bin/mandoc/mdoc_man.c @@ -1,4 +1,4 @@ -/* $OpenBSD: mdoc_man.c,v 1.83 2015/02/06 03:31:11 schwarze Exp $ */ +/* $OpenBSD: mdoc_man.c,v 1.84 2015/02/11 14:14:53 schwarze Exp $ */ /* * Copyright (c) 2011-2015 Ingo Schwarze <schwarze@openbsd.org> * @@ -1138,9 +1138,8 @@ 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); } |