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authorIngo Schwarze <schwarze@cvs.openbsd.org>2022-06-08 16:29:13 +0000
committerIngo Schwarze <schwarze@cvs.openbsd.org>2022-06-08 16:29:13 +0000
commit9a613290c433007a8825d8e8f96e47b9486cf94c (patch)
treee8002d2fde5520c039cca461c047593edb5a9996 /usr.bin/mandoc/mdoc_validate.c
parent5a0909c5c7652f1c72210a7584efefb0c8149b1f (diff)
When looking for the next block to tag, we aren't interested in children
of the current block but really want the next block instead. This fixes a segfault reported by Evan Silberman <evan at jklol dot net> on bugs@.
Diffstat (limited to 'usr.bin/mandoc/mdoc_validate.c')
-rw-r--r--usr.bin/mandoc/mdoc_validate.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/usr.bin/mandoc/mdoc_validate.c b/usr.bin/mandoc/mdoc_validate.c
index 9e681af4b50..aa47566638a 100644
--- a/usr.bin/mandoc/mdoc_validate.c
+++ b/usr.bin/mandoc/mdoc_validate.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mdoc_validate.c,v 1.305 2021/10/04 14:18:42 schwarze Exp $ */
+/* $OpenBSD: mdoc_validate.c,v 1.306 2022/06/08 16:29:12 schwarze Exp $ */
/*
* Copyright (c) 2010-2021 Ingo Schwarze <schwarze@openbsd.org>
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
@@ -1098,7 +1098,8 @@ post_tg(POST_ARGS)
/* Find the next node. */
n = mdoc->last;
for (nn = n; nn != NULL; nn = nn->parent) {
- if (nn->next != NULL) {
+ if (nn->type != ROFFT_HEAD && nn->type != ROFFT_BODY &&
+ nn->type != ROFFT_TAIL && nn->next != NULL) {
nn = nn->next;
break;
}