pkg/59916: pkgtools/plist-utils: plist-sort crash

["rwhitlock22%gmail.com@localhost via gnats" <gnats-admin%NetBSD.org@localhost>]

>Number:         59916
>Category:       pkg
>Synopsis:       pkgtools/plist-utils: plist-sort crash
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Jan 14 13:40:00 +0000 2026
>Originator:     Robert Whitlock
>Release:        pkgsrc current, Jan 13, 2025
>Organization:
>Environment:
NetBSD current 10.99.14, amd64
>Description:
I was preparing a PLIST patch for devel/zix and when I ran plist-sort on the PLIST, it crashed.


thinkpad# plist-sort -i PLIST
assertion "entry[0]" failed: file "plist_tree.c", line 173, function "plist_tree_insert"
[1]   Abort trap (core dumped) plist-sort -i PLIST
thinkpad# ls
CVS             Makefile        PLIST.orig      distinfo        plist-sort.core
DESCR           PLIST           buildlink3.mk   options.mk      typescript
thinkpad# gdb `which plist-sort` plist-sort.core
GNU gdb (GDB) 15.1
Copyright (C) 2024 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64--netbsd".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
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For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /usr/pkg/bin/plist-sort...
[New process 13694]
Core was generated by `plist-sort'.
Program terminated with signal SIGABRT, Aborted.
#0  0x000076974ceef4da in _lwp_kill () from /usr/lib/libc.so.12
(gdb) bt
#0  0x000076974ceef4da in _lwp_kill () from /usr/lib/libc.so.12
#1  0x000076974cefa914 in abort ()
    at /usr/netbsd/current/src/lib/libc/stdlib/abort.c:74
#2  0x000076974ceeed9d in __assert13 (file=<optimized out>, 
    line=<optimized out>, function=<optimized out>, failedexpr=<optimized out>)
    at /usr/netbsd/current/src/lib/libc/gen/assert.c:72
#3  0x0000000000b2bbe7 in plist_tree_insert ()
#4  0x0000000000b2bfa3 in main ()
(gdb) quit
thinkpad# 


Here is the PLIST that I was running it on:


@comment $NetBSD: PLIST,v 1.3 2025/08/12 10:20:43 adam Exp $
include/zix-0/zix/allocator.h
include/zix-0/zix/attributes.h
include/zix-0/zix/btree.h
include/zix-0/zix/bump_allocator.h
include/zix-0/zix/digest.h
include/zix-0/zix/environment.h
include/zix-0/zix/filesystem.h
include/zix-0/zix/hash.h
include/zix-0/zix/path.h
include/zix-0/zix/ring.h
include/zix-0/zix/sem.h
include/zix-0/zix/status.h
include/zix-0/zix/string_view.h
include/zix-0/zix/thread.h
include/zix-0/zix/tree.h
include/zix-0/zix/zix.h
lib/libzix-0.so
lib/libzix-0.so.${PKGVERSION}
lib/libzix-0.so.0
lib/pkgconfig/zix-0.pc
${PLIST.doc}share/doc/zix-0/html/_static/pygments.css
${PLIST.doc}share/doc/zix-0/html/_static/sphinx_lv2_theme.css
${PLIST.doc}share/doc/zix-0/html/allocation.html
${PLIST.doc}share/doc/zix-0/html/api/bump_allocator.html
${PLIST.doc}share/doc/zix-0/html/api/zix.html
${PLIST.doc}share/doc/zix-0/html/api/zix_algorithms.html
${PLIST.doc}share/doc/zix-0/html/api/zix_allocation.html
${PLIST.doc}share/doc/zix-0/html/api/zix_allocator.html
${PLIST.doc}share/doc/zix-0/html/api/zix_attributes.html
${PLIST.doc}share/doc/zix-0/html/api/zix_btree.html
${PLIST.doc}share/doc/zix-0/html/api/zix_btree_iteration.html
${PLIST.doc}share/doc/zix-0/html/api/zix_btree_modification.html
${PLIST.doc}share/doc/zix-0/html/api/zix_btree_searching.html
${PLIST.doc}share/doc/zix-0/html/api/zix_btree_setup.html
${PLIST.doc}share/doc/zix-0/html/api/zix_data_structures.html
${PLIST.doc}share/doc/zix-0/html/api/zix_digest.html
${PLIST.doc}share/doc/zix-0/html/api/zix_environment.html
${PLIST.doc}share/doc/zix-0/html/api/zix_expand.html
${PLIST.doc}share/doc/zix-0/html/api/zix_file_system.html
${PLIST.doc}share/doc/zix-0/html/api/zix_fs_access.html
${PLIST.doc}share/doc/zix-0/html/api/zix_fs_creation.html
${PLIST.doc}share/doc/zix-0/html/api/zix_fs_environment.html
${PLIST.doc}share/doc/zix-0/html/api/zix_fs_locking.html
${PLIST.doc}share/doc/zix-0/html/api/zix_fs_ops.html
${PLIST.doc}share/doc/zix-0/html/api/zix_fs_queries.html
${PLIST.doc}share/doc/zix-0/html/api/zix_fs_resolution.html
${PLIST.doc}share/doc/zix-0/html/api/zix_hash.html
${PLIST.doc}share/doc/zix-0/html/api/zix_hash_datatypes.html
${PLIST.doc}share/doc/zix-0/html/api/zix_hash_iteration.html
${PLIST.doc}share/doc/zix-0/html/api/zix_hash_modification.html
${PLIST.doc}share/doc/zix-0/html/api/zix_hash_searching.html
${PLIST.doc}share/doc/zix-0/html/api/zix_hash_setup.html
${PLIST.doc}share/doc/zix-0/html/api/zix_path.html
${PLIST.doc}share/doc/zix-0/html/api/zix_path_concatenation.html
${PLIST.doc}share/doc/zix-0/html/api/zix_path_decomposition.html
${PLIST.doc}share/doc/zix-0/html/api/zix_path_lexical.html
${PLIST.doc}share/doc/zix-0/html/api/zix_path_queries.html
${PLIST.doc}share/doc/zix-0/html/api/zix_ring.html
${PLIST.doc}share/doc/zix-0/html/api/zix_ring_read.html
${PLIST.doc}share/doc/zix-0/html/api/zix_ring_setup.html
${PLIST.doc}share/doc/zix-0/html/api/zix_ring_write.html
${PLIST.doc}share/doc/zix-0/html/api/zix_sem.html
${PLIST.doc}share/doc/zix-0/html/api/zix_status.html
${PLIST.doc}share/doc/zix-0/html/api/zix_string_view.html
${PLIST.doc}share/doc/zix-0/html/api/zix_thread.html
${PLIST.doc}share/doc/zix-0/html/api/zix_threading.html
${PLIST.doc}share/doc/zix-0/html/api/zix_tree.html
${PLIST.doc}share/doc/zix-0/html/api/zix_tree_iteration.html
${PLIST.doc}share/doc/zix-0/html/api/zix_tree_modification.html
${PLIST.doc}share/doc/zix-0/html/api/zix_tree_searching.html
${PLIST.doc}share/doc/zix-0/html/api/zix_tree_setup.html
${PLIST.doc}share/doc/zix-0/html/api/zix_utilities.html
${PLIST.doc}share/doc/zix-0/html/error_handling.html
${PLIST.doc}share/doc/zix-0/html/genindex.html
${PLIST.doc}share/doc/zix-0/html/index.html
${PLIST.doc}share/doc/zix-0/html/string_views.html
${PLIST.doc}share/doc/zix-0/html/using_zix.html
${PLIST.doc}share/doc/zix-0/singlehtml/_static/pygments.css
${PLIST.doc}share/doc/zix-0/singlehtml/_static/sphinx_lv2_theme.css
${PLIST.doc}share/doc/zix-0/singlehtml/index.html
${PLIST.doc}share/doc/zix-0/html/_static/base-stemmer.js
${PLIST.doc}share/doc/zix-0/html/_static/english-stemmer.js
${PLIST.doc}share/doc/zix-0/singlehtml/_static/base-stemmer.js
${PLIST.doc}share/doc/zix-0/singlehtml/_static/english-stemmer.js
>How-To-Repeat:
See above.
>Fix: