On 18-10-2024 19:44, Simon McVittie wrote:
Does this happen for literally any JSON file (for example
`echo "{}" > object.json`) or does the JSON file that is required to
reproduce the crash have non-trivial contents?
Any non-empty file that ends in ".json" causes a segfault. It doesn't
even have to be valid json.
Is there a single file or combination of files that reproduce this without
installing arbitrary software from outside Debian?
Yes! I've attached a minimal version of freedesktop.org.xml that causes
a segfault. It seems it has something to do with the interaction between
multiple mime-type definitions, since the problem goes away after
removing a single json or javascript related mime-type.
Best,
Lennart
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mime-info [
<!ELEMENT mime-info (mime-type)+>
<!ATTLIST mime-info xmlns CDATA #FIXED "http://www.freedesktop.org/standards/shared-mime-info";>
<!ELEMENT mime-type (comment+ , (acronym , expanded-acronym)? , (icon | generic-icon | glob | magic | treemagic | root-XML | alias | sub-class-of)*)>
<!ATTLIST mime-type type CDATA #REQUIRED>
<!-- a comment describing a document with the respective MIME type. Example: "WMV video" --><!ELEMENT comment (#PCDATA)>
<!ATTLIST comment xml:lang CDATA #IMPLIED>
<!-- a comment describing the respective unexpanded MIME type acronym. Example: "WMV" --><!ELEMENT acronym (#PCDATA)>
<!-- a comment describing the respective expanded MIME type acronym. Example: "Windows Media Video" --><!ELEMENT expanded-acronym (#PCDATA)>
<!ELEMENT icon EMPTY>
<!ATTLIST icon name CDATA #REQUIRED>
<!-- a generic icon name as per the Icon Naming Specification, only required if computing
it from the mime-type would not work, See "generic-icon" in the Shared Mime Specification --><!ELEMENT generic-icon EMPTY>
<!ATTLIST generic-icon name (application-x-executable | audio-x-generic | emblem-symbolic-link | folder | font-x-generic | image-x-generic | media-floppy | media-optical | package-x-generic | text-html | text-x-generic | text-x-generic-template | text-x-script | video-x-generic | x-office-address-book | x-office-calendar | x-office-document | x-office-presentation | x-office-spreadsheet) #REQUIRED>
<!ELEMENT glob EMPTY>
<!ATTLIST glob pattern CDATA #REQUIRED>
<!ATTLIST glob weight CDATA "50">
<!ATTLIST glob case-sensitive CDATA #IMPLIED>
<!ELEMENT magic (match)+>
<!ATTLIST magic priority CDATA "50">
<!ELEMENT match (match)*>
<!ATTLIST match offset CDATA #REQUIRED>
<!ATTLIST match type (string | big16 | big32 | little16 | little32 | host16 | host32 | byte) #REQUIRED>
<!ATTLIST match value CDATA #REQUIRED>
<!ATTLIST match mask CDATA #IMPLIED>
<!ELEMENT treemagic (treematch)+>
<!ATTLIST treemagic priority CDATA "50">
<!ELEMENT treematch (treematch)*>
<!ATTLIST treematch path CDATA #REQUIRED>
<!ATTLIST treematch type (file | directory | link) #IMPLIED>
<!ATTLIST treematch match-case (true | false) #IMPLIED>
<!ATTLIST treematch executable (true | false) #IMPLIED>
<!ATTLIST treematch non-empty (true | false) #IMPLIED>
<!ATTLIST treematch mimetype CDATA #IMPLIED>
<!ELEMENT root-XML EMPTY>
<!ATTLIST root-XML namespaceURI CDATA #REQUIRED>
<!ATTLIST root-XML localName CDATA #REQUIRED>
<!ELEMENT alias EMPTY>
<!ATTLIST alias type CDATA #REQUIRED>
<!ELEMENT sub-class-of EMPTY>
<!ATTLIST sub-class-of type CDATA #REQUIRED>
]>
<!--
The freedesktop.org shared MIME database (this file) was created by merging
several existing MIME databases (all released under the GNU GPL).
It comes with ABSOLUTELY NO WARRANTY, to the extent permitted by law. You may
redistribute copies of freedesktop.org.xml under the terms of the GNU General
Public License version 2 or later. For more information about these matters,
see the file named COPYING.
The latest version is available from:
http://www.freedesktop.org/wiki/Software/shared-mime-info/
To extend this database, users and applications should create additional
XML files in the 'packages' directory and run the update-mime-database
command to generate the output files.
-->
<mime-info xmlns="http://www.freedesktop.org/standards/shared-mime-info";>
<mime-type type="application/ecmascript">
<comment>ECMAScript program</comment>
<comment xml:lang="zh_TW">ECMAScript 程式</comment>
<comment xml:lang="zh_CN">ECMAScript 程序</comment>
<comment xml:lang="vi">Chương trình ECMAScript</comment>
<comment xml:lang="uk">програма мовою ECMAScript</comment>
<comment xml:lang="tr">ECMAScript programı</comment>
<comment xml:lang="sv">ECMAScript-program</comment>
<comment xml:lang="sr">програм ЕЦМАСкрипте</comment>
<comment xml:lang="sq">program ECMAScript</comment>
<comment xml:lang="sl">Programska datoteka ECMAScript</comment>
<comment xml:lang="si">ECMAScript වැඩසටහන</comment>
<comment xml:lang="sk">Program ECMAScript</comment>
<comment xml:lang="ru">Программа ECMAScript</comment>
<comment xml:lang="ro">Program ECMAScript</comment>
<comment xml:lang="pt_BR">Programa ECMAScript</comment>
<comment xml:lang="pt">programa ECMAScript</comment>
<comment xml:lang="pl">Pogram ECMAScript</comment>
<comment xml:lang="oc">programa ECMAEscript</comment>
<comment xml:lang="nn">ECMAScript-program</comment>
<comment xml:lang="nl">ECMAScript-programma</comment>
<comment xml:lang="nb">ECMAScript-program</comment>
<comment xml:lang="lv">ECMAScript programma</comment>
<comment xml:lang="lt">ECMAScript programa</comment>
<comment xml:lang="ko">ECMAScript 프로그램</comment>
<comment xml:lang="kk">ECMAScript программасы</comment>
<comment xml:lang="ka">ECMAScript პროგრამა</comment>
<comment xml:lang="ja">ECMAScript プログラム</comment>
<comment xml:lang="it">Programma ECMAScript</comment>
<comment xml:lang="is">ECMAScript forrit</comment>
<comment xml:lang="id">Program ECMAScript</comment>
<comment xml:lang="ia">Programma ECMAScript</comment>
<comment xml:lang="hu">ECMAScript program</comment>
<comment xml:lang="hr">ECMAScript program</comment>
<comment xml:lang="he">תכנית EMCAScript</comment>
<comment xml:lang="gl">programa en ECMAScript</comment>
<comment xml:lang="ga">ríomhchlár ECMAScript</comment>
<comment xml:lang="fur">program ECMAScript</comment>
<comment xml:lang="fr">programme ECMAScript</comment>
<comment xml:lang="fo">ECMAScript forrit</comment>
<comment xml:lang="fi">ECMAScript-ohjelma</comment>
<comment xml:lang="eu">ECMAScript programa</comment>
<comment xml:lang="es">programa en ECMAScript</comment>
<comment xml:lang="en_GB">ECMAScript program</comment>
<comment xml:lang="el">Πρόγραμμα ECMAScript</comment>
<comment xml:lang="de">ECMAScript-Programm</comment>
<comment xml:lang="da">ECMAScript-program</comment>
<comment xml:lang="cs">program v jazyce ECMAScript</comment>
<comment xml:lang="ca">programa ECMAScript</comment>
<comment xml:lang="bg">Програма — ECMAScript</comment>
<comment xml:lang="be@latin">Prahrama ECMAScript</comment>
<comment xml:lang="be">праграма ECMAScript</comment>
<comment xml:lang="ar">برنامج ECMAScript</comment>
<comment xml:lang="af">ECMAScript-program</comment>
<alias type="text/ecmascript"/>
<sub-class-of type="text/javascript"/>
<generic-icon name="text-x-script"/>
<glob pattern="*.es"/>
</mime-type>
<mime-type type="application/json">
<comment>JSON document</comment>
<comment xml:lang="zh_TW">JSON 文件</comment>
<comment xml:lang="zh_CN">JSON 文档</comment>
<comment xml:lang="uk">документ JSON</comment>
<comment xml:lang="tr">JSON belgesi</comment>
<comment xml:lang="sv">JSON-dokument</comment>
<comment xml:lang="sr">ЈСОН документ</comment>
<comment xml:lang="sq">dokument JSON</comment>
<comment xml:lang="sl">Dokument JSON</comment>
<comment xml:lang="si">JSON ලේඛනය</comment>
<comment xml:lang="sk">Dokument JSON</comment>
<comment xml:lang="ru">Документ JSON</comment>
<comment xml:lang="pt_BR">Documento JSON</comment>
<comment xml:lang="pt">documento JSON</comment>
<comment xml:lang="pl">Dokument JSON</comment>
<comment xml:lang="oc">document JSON</comment>
<comment xml:lang="nl">JSON-document</comment>
<comment xml:lang="ko">JSON 문서</comment>
<comment xml:lang="kk">JSON құжаты</comment>
<comment xml:lang="ja">JSON ドキュメント</comment>
<comment xml:lang="it">Documento JSON</comment>
<comment xml:lang="is">JSON skjal</comment>
<comment xml:lang="id">Dokumen JSON</comment>
<comment xml:lang="ia">Documento JSON</comment>
<comment xml:lang="hu">JSON dokumentum</comment>
<comment xml:lang="hr">JSON dokument</comment>
<comment xml:lang="he">מסמך JSON</comment>
<comment xml:lang="gl">Documento JSON</comment>
<comment xml:lang="ga">cáipéis JSON</comment>
<comment xml:lang="fur">document JSON</comment>
<comment xml:lang="fr">document JSON</comment>
<comment xml:lang="fi">JSON-asiakirja</comment>
<comment xml:lang="eu">JSON dokumentua</comment>
<comment xml:lang="es">documento JSON</comment>
<comment xml:lang="en_GB">JSON document</comment>
<comment xml:lang="el">Έγγραφο JSON</comment>
<comment xml:lang="de">JSON-Dokument</comment>
<comment xml:lang="da">JSON-dokument</comment>
<comment xml:lang="cs">dokument JSON</comment>
<comment xml:lang="ca">document JSON</comment>
<comment xml:lang="bg">Документ — JSON</comment>
<comment xml:lang="be">дакумент JSON</comment>
<comment xml:lang="ast">Documentu JSON</comment>
<comment xml:lang="ar">مستند JSON</comment>
<comment xml:lang="af">JSON-dokument</comment>
<acronym>JSON</acronym>
<expanded-acronym>JavaScript Object Notation</expanded-acronym>
<sub-class-of type="application/json5"/>
<generic-icon name="text-x-script"/>
<glob pattern="*.json"/>
</mime-type>
<mime-type type="application/json5">
<comment>JSON5 document</comment>
<comment xml:lang="uk">документ JSON5</comment>
<comment xml:lang="sv">JSON5-dokument</comment>
<comment xml:lang="ru">Документ JSON5</comment>
<comment xml:lang="pl">Dokument JSON5</comment>
<comment xml:lang="es">documento JSON5</comment>
<comment xml:lang="de">JSON5-Dokument</comment>
<acronym>JSON5</acronym>
<expanded-acronym>JavaScript Object Notation 5</expanded-acronym>
<sub-class-of type="text/javascript"/>
<generic-icon name="text-x-script"/>
<glob pattern="*.json5"/>
</mime-type>
<mime-type type="application/jrd+json">
<comment>JRD document</comment>
<comment xml:lang="zh_TW">JRD 文件</comment>
<comment xml:lang="zh_CN">JRD 文档</comment>
<comment xml:lang="uk">документ JRD</comment>
<comment xml:lang="tr">JRD belgesi</comment>
<comment xml:lang="sv">JRD-dokument</comment>
<comment xml:lang="sr">ЈРД документ</comment>
<comment xml:lang="sq">dokument JRD</comment>
<comment xml:lang="sl">Dokument JRD</comment>
<comment xml:lang="si">JRD ලේඛනය</comment>
<comment xml:lang="sk">Dokument JRD</comment>
<comment xml:lang="ru">Документ JRD</comment>
<comment xml:lang="pt_BR">Documento JRD</comment>
<comment xml:lang="pt">doxumento JRD</comment>
<comment xml:lang="pl">Dokument JRD</comment>
<comment xml:lang="oc">document JRD</comment>
<comment xml:lang="nl">JRD-document</comment>
<comment xml:lang="ko">JRD 문서</comment>
<comment xml:lang="kk">JRD құжаты</comment>
<comment xml:lang="ja">JRD ドキュメント</comment>
<comment xml:lang="it">Documento JRD</comment>
<comment xml:lang="is">JRD skjal</comment>
<comment xml:lang="id">Dokumen JRD</comment>
<comment xml:lang="ia">Documento JRD</comment>
<comment xml:lang="hu">JRD dokumentum</comment>
<comment xml:lang="hr">JRD dokument</comment>
<comment xml:lang="he">מסמך JRD</comment>
<comment xml:lang="gl">Documento JRD</comment>
<comment xml:lang="ga">cáipéis JRD</comment>
<comment xml:lang="fur">document JRD</comment>
<comment xml:lang="fr">document JRD</comment>
<comment xml:lang="fi">JRD-asiakirja</comment>
<comment xml:lang="eu">JRD dokumentua</comment>
<comment xml:lang="es">documento JRD</comment>
<comment xml:lang="en_GB">JRD document</comment>
<comment xml:lang="el">Έγγραφο JRD</comment>
<comment xml:lang="de">JRD-Dokument</comment>
<comment xml:lang="da">JRD-dokument</comment>
<comment xml:lang="cs">dokument JRD</comment>
<comment xml:lang="ca">document JRD</comment>
<comment xml:lang="bg">Документ — JRD</comment>
<comment xml:lang="be">дакумент JRD</comment>
<comment xml:lang="ast">Documentu JRD</comment>
<comment xml:lang="ar">مستند JRD</comment>
<comment xml:lang="af">JRD-dokument</comment>
<acronym>JRD</acronym>
<expanded-acronym>JSON Resource Descriptor</expanded-acronym>
<sub-class-of type="application/json"/>
<generic-icon name="text-x-script"/>
<glob pattern="*.jrd"/>
</mime-type>
<mime-type type="application/json-patch+json">
<comment>JSON patch</comment>
<comment xml:lang="zh_TW">JSON 修補檔</comment>
<comment xml:lang="zh_CN">JSON 补丁</comment>
<comment xml:lang="uk">латка JSON</comment>
<comment xml:lang="tr">JSON yaması</comment>
<comment xml:lang="sv">JSON patch</comment>
<comment xml:lang="sr">ЈСОН закрпа</comment>
<comment xml:lang="sq">arnë JSON</comment>
<comment xml:lang="sl">Popravek JSON</comment>
<comment xml:lang="si">JSON පැච්</comment>
<comment xml:lang="sk">Záplata JSON</comment>
<comment xml:lang="ru">Патч JSON</comment>
<comment xml:lang="pt_BR">Patch JSON</comment>
<comment xml:lang="pt">patch JSON</comment>
<comment xml:lang="pl">Łata JSON</comment>
<comment xml:lang="oc">correctiu JSON</comment>
<comment xml:lang="nl">JSON-patch</comment>
<comment xml:lang="ko">JSON 패치</comment>
<comment xml:lang="kk">JSON өзгерісі</comment>
<comment xml:lang="ja">JSON パッチ</comment>
<comment xml:lang="it">Patch JSON</comment>
<comment xml:lang="is">JSON kóðabót</comment>
<comment xml:lang="id">Patch JSON</comment>
<comment xml:lang="ia">Patch JSON</comment>
<comment xml:lang="hu">JSON javítócsomag</comment>
<comment xml:lang="hr">JSON zakrpa</comment>
<comment xml:lang="he">טלאי JSON</comment>
<comment xml:lang="gl">Parche JSON</comment>
<comment xml:lang="ga">paiste JSON</comment>
<comment xml:lang="fur">blec JSON</comment>
<comment xml:lang="fr">correctif JSON</comment>
<comment xml:lang="fi">JSON-paikkatiedosto</comment>
<comment xml:lang="eu">JSON adabakia</comment>
<comment xml:lang="es">parche en JSON</comment>
<comment xml:lang="en_GB">JSON patch</comment>
<comment xml:lang="de">JSON-Patch</comment>
<comment xml:lang="da">JSON-rettelse</comment>
<comment xml:lang="cs">cesta JSON</comment>
<comment xml:lang="ca">pedaç de JSON</comment>
<comment xml:lang="bg">Кръпка — JSON</comment>
<comment xml:lang="be">патч JSON</comment>
<comment xml:lang="ar">رقعة JSON</comment>
<acronym>JSON</acronym>
<expanded-acronym>JavaScript Object Notation</expanded-acronym>
<sub-class-of type="application/json"/>
<generic-icon name="text-x-script"/>
<glob pattern="*.json-patch"/>
</mime-type>
<mime-type type="application/ld+json">
<comment>JSON-LD document</comment>
<comment xml:lang="zh_TW">JSON-LD 文件</comment>
<comment xml:lang="zh_CN">JSON-LD 文档</comment>
<comment xml:lang="uk">документ JSON-LD</comment>
<comment xml:lang="tr">JSON-LD belgesi</comment>
<comment xml:lang="sv">JSON-LD-dokument</comment>
<comment xml:lang="sr">ЈСОН-ЛД документ</comment>
<comment xml:lang="sq">dokument JSON-LD</comment>
<comment xml:lang="sl">Dokument JSON-LD</comment>
<comment xml:lang="si">JSON-LD ලේඛනය</comment>
<comment xml:lang="sk">Dokument JSON-LD</comment>
<comment xml:lang="ru">Документ JSON-LD</comment>
<comment xml:lang="pt_BR">Documento JSON-LD</comment>
<comment xml:lang="pt">documento JSON-LD</comment>
<comment xml:lang="pl">Dokument JSON-LD</comment>
<comment xml:lang="oc">Document JSON-LD</comment>
<comment xml:lang="nl">JSON-LD-document</comment>
<comment xml:lang="ko">JSON-LD 문서</comment>
<comment xml:lang="kk">JSON-LD құжаты</comment>
<comment xml:lang="ja">JSON-LD ドキュメント</comment>
<comment xml:lang="it">Documento JSON-LD</comment>
<comment xml:lang="is">JSON-LD skjal</comment>
<comment xml:lang="id">Dokumen JSON-LD</comment>
<comment xml:lang="ia">Documento JSON-LD</comment>
<comment xml:lang="hu">JSON-LD dokumentum</comment>
<comment xml:lang="hr">JSON-LD dokument</comment>
<comment xml:lang="he">מסמך JSON-LD</comment>
<comment xml:lang="gl">Documento de JSON-LD</comment>
<comment xml:lang="ga">cáipéis JSON-LD</comment>
<comment xml:lang="fur">document JSON-LD</comment>
<comment xml:lang="fr">document JSON-LD</comment>
<comment xml:lang="fi">JSON-LD-asiakirja</comment>
<comment xml:lang="eu">JSON-LD dokumentua</comment>
<comment xml:lang="es">documento JSON-LD</comment>
<comment xml:lang="en_GB">JSON-LD document</comment>
<comment xml:lang="el">Έγγραφο JSON-LD</comment>
<comment xml:lang="de">JSON-LD-Dokument</comment>
<comment xml:lang="da">JSON-LD-dokument</comment>
<comment xml:lang="cs">dokument JSON-LD</comment>
<comment xml:lang="ca">document JSON-LD</comment>
<comment xml:lang="bg">Документ — JSON-LD</comment>
<comment xml:lang="be">дакумент JSON-LD</comment>
<comment xml:lang="ast">Documentu JSON-LD</comment>
<comment xml:lang="ar">مستند JSON-LD</comment>
<acronym>JSON-LD</acronym>
<expanded-acronym>JavaScript Object Notation for Linked Data</expanded-acronym>
<sub-class-of type="application/json"/>
<generic-icon name="text-x-script"/>
<glob pattern="*.jsonld"/>
</mime-type>
<mime-type type="application/schema+json">
<comment>JSON schema</comment>
<comment xml:lang="uk">схема JSON</comment>
<comment xml:lang="tr">JSON şeması</comment>
<comment xml:lang="sv">JSON-schema</comment>
<comment xml:lang="sl">Shema JSON</comment>
<comment xml:lang="si">JSON යෝජනා ක්රමය</comment>
<comment xml:lang="ru">Схема JSON</comment>
<comment xml:lang="pl">Schemat JSON</comment>
<comment xml:lang="oc">esquèma JSON</comment>
<comment xml:lang="nl">JSON-schema</comment>
<comment xml:lang="ko">JSON 스키마</comment>
<comment xml:lang="kk">JSON сұлбасы</comment>
<comment xml:lang="ja">JSON スキーマ</comment>
<comment xml:lang="it">Schema JSON</comment>
<comment xml:lang="hr">JSON shema</comment>
<comment xml:lang="he">סכמת JSON</comment>
<comment xml:lang="gl">Esquema de JSON</comment>
<comment xml:lang="fi">JSON-skeema</comment>
<comment xml:lang="eu">JSON eskema</comment>
<comment xml:lang="es">esquema JSON</comment>
<comment xml:lang="en_GB">JSON schema</comment>
<comment xml:lang="de">JSON-Schema</comment>
<comment xml:lang="be">схема JSON</comment>
<comment xml:lang="ar">مخطط JSON</comment>
<sub-class-of type="application/json"/>
<generic-icon name="text-x-script"/>
<magic priority="80">
<match type="string" value="{" offset="0">
<match type="string" value=""$schema":" offset="1:256"/>
</match>
</magic>
<glob pattern="*.json"/>
</mime-type>
<mime-type type="application/x-ipynb+json">
<comment>Jupyter notebook document</comment>
<comment xml:lang="zh_TW">Jupyter 記事本文件</comment>
<comment xml:lang="zh_CN">Jupyter 笔记本文档</comment>
<comment xml:lang="uk">документ нотатника Jupyter</comment>
<comment xml:lang="tr">Jupyter notebook belgesi</comment>
<comment xml:lang="sv">Jupyter-anteckningsboksdokument</comment>
<comment xml:lang="sq">dokument ditari Jupyter</comment>
<comment xml:lang="si">Jupyter සටහන් පොත් ලේඛනය</comment>
<comment xml:lang="ru">Документ Jupyter notebook</comment>
<comment xml:lang="pt_BR">Documento Jupyter Notebook</comment>
<comment xml:lang="pl">Dokument notatnika Jupyter</comment>
<comment xml:lang="nl">Jupyter notebook-document</comment>
<comment xml:lang="ko">주피터 노트북 문서</comment>
<comment xml:lang="kk">Jupyter блокнот құжаты</comment>
<comment xml:lang="ja">Jupyter notebook ドキュメント</comment>
<comment xml:lang="it">Documento notebook Jupyter</comment>
<comment xml:lang="is">Jupyter skrifblokkarskjal</comment>
<comment xml:lang="id">Dokumen Jupyter notebook</comment>
<comment xml:lang="hu">Jupyter munkafüzet dokumentum</comment>
<comment xml:lang="hr">Jupyter notebook dokument</comment>
<comment xml:lang="he">מסמך מחברת של Jupyter</comment>
<comment xml:lang="gl">Documento de caderno de Jupyter</comment>
<comment xml:lang="fr">carnet de notes Jupyter</comment>
<comment xml:lang="fi">Jupyter notebook -asiakirja</comment>
<comment xml:lang="eu">Jupyter notebook dokumentua</comment>
<comment xml:lang="es">documento de cuaderno de Jupyter</comment>
<comment xml:lang="en_GB">Jupyter notebook document</comment>
<comment xml:lang="de">Jupyter-Notebook-Dokument</comment>
<comment xml:lang="da">Jupyter notebook-dokument</comment>
<comment xml:lang="ca">document de llibreta de notes de Jupyter</comment>
<comment xml:lang="bg">Скицник — Jupyter</comment>
<comment xml:lang="be">дакумент Jupyter notebook</comment>
<comment xml:lang="ar">مستند دفتر Jupyter</comment>
<sub-class-of type="application/json"/>
<generic-icon name="x-office-document"/>
<magic>
<match type="string" value="{" offset="0">
<match type="string" value=""cells":" offset="1:256"/>
</match>
</magic>
<glob pattern="*.ipynb"/>
</mime-type>
</mime-info>
