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| Filename | Latest commit message | Latest commit date |
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54cea51afc
When an encryption key can't be fully removed due to file(s) protected
by it still being in-use, we shouldn't really print the path to one of
these files to the kernel log, since parts of this path are likely to be
encrypted on-disk, and (depending on how the system is set up) the
confidentiality of this path might be lost by printing it to the log.
This is a trade-off: a single file path often doesn't matter at all,
especially if it's a directory; the kernel log might still be protected
in some way; and I had originally hoped that any "inode(s) still busy"
bugs (which are security weaknesses in their own right) would be quickly
fixed and that to do so it would be super helpful to always know the
file path and not have to run 'find dir -inum $inum' after the fact.
But in practice, these bugs can be hard to fix (e.g. due to asynchronous
process killing that is difficult to eliminate, for performance
reasons), and also not tied to specific files, so knowing a file path
doesn't necessarily help.
So to be safe, for now let's just show the inode number, not the path.
If someone really wants to know a path they can use 'find -inum'.
Fixes:
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.