My mainline commit c48a7c44a1d0 ("docs: kernel_feat.py: fix potential command injection") contains a bug which can manifests like this when building the documentation: Sphinx parallel build error: UnboundLocalError: local variable 'fname' referenced before assignment make[2]: *** [Documentation/Makefile:102: htmldocs] Error 2 However, this only appears when there exists a '.. kernel-feat::' directive that points to a non-existent file, which isn't the case in mainline. When this commit was backported to stable 6.6, it didn't change Documentation/arch/ia64/features.rst since ia64 was removed in 6.7 in commit cf8e8658100d ("arch: Remove Itanium (IA-64) architecture"). This lead to the build failure seen above -- but only in stable kernels. This patch fixes the backport and should only be applied to kernels where Documentation/arch/ia64/features.rst exists and commit c48a7c44a1d0 has also been applied. A second patch will follow to fix kernel_feat.py in mainline so that it doesn't error out when the '.. kernel-feat::' directive points to a nonexistent file. Link: https://lore.kernel.org/all/ZbkfGst991YHqJHK@fedora64.linuxtx.org/ Fixes: e961f8c6966a ("docs: kernel_feat.py: fix potential command injection") # stable 6.6.15 Reported-by: Justin Forbes <jforbes@fedoraproject.org> Reported-by: Salvatore Bonaccorso <carnil@debian.org> Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.
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