gbranden pushed a commit to branch master
in repository groff.
commit 1ea7a5a632581b149a165de17c9ecb24e26b8367
Author: G. Branden Robinson <[email protected]>
AuthorDate: Thu Nov 20 12:32:33 2025 -0600
[troff]: Avoid null pointer dereference (2/2).
* src/roff/troff/input.cpp (read_title_parts): Do it.
---
ChangeLog | 5 +++++
src/roff/troff/input.cpp | 1 +
2 files changed, 6 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index 44d89c286..7a96e78c5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2025-11-20 G. Branden Robinson <[email protected]>
+
+ * src/roff/troff/input.cpp (read_title_parts): Avoid null
+ pointer dereference.
+
2025-11-19 G. Branden Robinson <[email protected]>
* src/roff/troff/input.cpp (encode_character_for_device_output):
diff --git a/src/roff/troff/input.cpp b/src/roff/troff/input.cpp
index 4a1b7f87c..2477329f2 100644
--- a/src/roff/troff/input.cpp
+++ b/src/roff/troff/input.cpp
@@ -6265,6 +6265,7 @@ void read_title_parts(node **part, hunits *part_width)
break;
}
if ((page_character != 0 /* nullptr */)
+ && (tok.get_charinfo() != 0 /* nullptr */)
&& (tok.get_charinfo() == page_character))
interpolate_register(percent_symbol, 0);
else
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