Runaway CPU investigation for xsltproc: file not found retry at xsltFindDocument

Representative thread backtrace

• Command: /usr/bin/xsltproc --path .:/woodpecker/src/gitea.osgeo.org/postgis/postgis/build-docs/../doc --param section.autolabel 1 --param section.label.includes.component.label 1 --param chunk.section.depth 0 --param generate.section.toc.level 2 --param toc.section.depth 1 --param funcsynopsis.style kr --param admon.graphics 1 --param admon.textlabel 0 --param make.clean.html 1 --param simplesect.in.toc 0 --param use.id.as.filename 1 --param chunk.quietly 1 --param header.rule 0 --param footer.rule 0 --param table.borders.with.css 1 --stringparam docbook.css.source --stringparam html.ext .html --stringparam saxon.character.representation decimal --nonet --stringparam html.stylesheet style.css?v=3803318182 --stringparam html.script postgis-ref-index.js?v=3803318182 example-blocks.js?v=3803318182 --stringparam postgis.visual.manifest /woodpecker/src/gitea.osgeo.org/postgis/postgis/build-docs/doc/html/images/visual-examples/manifest.xml --stringparam postgis.visual.version 3803318182 --output /woodpecker/src/gitea.osgeo.org/postgis/postgis/build-docs/doc/html/postgis-pl.html ./postgis-html.xsl postgis-out.xml
• Why Fixer classified it this way: The trace keeps retrying file lookups that fail with ENOENT, which suggests a missing-file retry loop.
• Thread summary: thread backtraces show 1 thread(s) around 0x00007fc89030a730 in xsltFindDocument () from target:<path>
• Contention signals: gdb-stderr: gdb: warning: Couldn't determine a path for the index cache directory. warning: Target and debugger are in different PID namespaces; thread lists and other data are likely unreliable. Connect to gdbserver inside the container. warning: Expected absolute pathname for libpthread in the inferior, but got target:<path> warning: Unable to find libthread_db matching inferior's thread library, thread debugging will not be available.
• Repeated loop: newfstatat -> newfstatat -> newfstatat
• Top syscalls: newfstatat x97, brk x6
• Package: xsltproc 1.1.45-0.1
• Kernel: 7.1.8+deb14.1-amd64
• Distribution: debian

0x00007fc89030a730 in xsltFindDocument () from target:<path>
0x00007fc890306ed9 in xsltKeyFunction () from target:<path>
0x00007fc890306cc7 in xsltKeyFunction () from target:<path>
0x00007fc8901cc691 in xmlXPathEvaluatePredicateResult () from target:<path>
0x00007fc8901cc4e8 in xmlXPathEvaluatePredicateResult () from target:<path>
0x00007fc8901cc3e4 in xmlXPathEvaluatePredicateResult () from target:<path>
0x00007fc8901cc49a in xmlXPathEvaluatePredicateResult () from target:<path>
0x00007fc8901cc38b in xmlXPathEvaluatePredicateResult () from target:<path>