https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=289420
Bug ID: 289420
Summary: mandoc core dump due to tag_put assertion
Product: Base System
Version: 14.3-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Many People
Priority: ---
Component: bin
Assignee: [email protected]
Reporter: [email protected]
mandoc dumps core when formatting got(1) manual page
root /usr/local/share/man/man1 # zcat got.1.gz | mandoc
Assertion failed: (n->tag == NULL), function tag_put, file
/usr/src/contrib/mandoc/tag.c, line 185.
Abort trap (core dumped)
the first line below triggers the issue (.Tg ignore):
.Tg ignore
.Ss Ignore Patterns
it seems that upstream mandoc has fixed the issue in
bsd.lv tag.c revision 1.37
date: 2022/04/26 11:38:38; author: schwarze; lines: +17 -4;
If a node is tagged explicitly, skip implicit tagging for that node.
Apart from making sense in the first place, this fixes an assertion
failure that happened when the calculated implicit tag did not match
the string value of the first child of the node,
Bug found by tb@ using afl(1).
some branches have imported updated mandoc (e.g. stable/14 and stable/15), but
not releng/14.3
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