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docs: Makefile: Add -no-shell-escape option to LATEXOPTS 

It turns out that LaTeX enables \write18, which allows (some) shell
commands to be executed from the document source, by default.  This the
often-seen warning during a pdfdocs build:

  restricted \write18 enabled

That is a potential security problem and is entirely unnecessary; nothing
in the kernel PDF docs build needs that capability.  So disable \write18
explicitly.

Signed-off-by: Akira Yokosawa <akiyks@gmail.com>
Link: https://lore.kernel.org/r/519bd2d9-1bee-03e1-eeb4-d9883c18be0c@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Akira Yokosawa 2022-02-10 10:26:53 +09:00 committed by Jonathan Corbet
parent f647de4b02
commit 6b22ce002f
1 changed files with 1 additions and 1 deletions
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Documentation/Makefile
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@ -26,7 +26,7 @@ SPHINX_CONF = conf.py
PAPER =
BUILDDIR = $(obj)/output
PDFLATEX = xelatex
LATEXOPTS = -interaction=batchmode
LATEXOPTS = -interaction=batchmode -no-shell-escape
ifeq ($(KBUILD_VERBOSE),0)
SPHINXOPTS += "-q"