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3853b5e1d7
Only directories or regular files are allowed in the metadata directory
tree. Don't move the repair tempfile to the metadir namespace if this
is not true; this will cause the inode verifiers to trip.
xrep_tempfile_adjust_directory_tree opportunistically moves sc->tempip
from the regular directory tree to the metadata directory tree if sc->ip
is part of the metadata directory tree. However, the scrub setup
functions grab sc->ip and create sc->tempip before we actually get
around to checking if the file mode is the right type for the scrubber.
IOWs, you can invoke the symlink scrubber with the file handle of a
subdirectory in the metadir. xrep_setup_symlink will create a temporary
symlink file, xrep_tempfile_adjust_directory_tree will foolishly try to
set the METADATA flag on the temp symlink, which trips the inode
verifier in the inode item precommit, which shuts down the filesystem
when expensive checks are turned on. If they're /not/ turned on, then
xchk_symlink will return ENOENT when it sees that it's been passed a
symlink, but the invalid inode could still get flushed to disk. We
don't want that.
Cc: <stable@vger.kernel.org> # v6.13-rc1
Fixes:
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||
|---|---|---|
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .clippy.toml | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| 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 reStructuredText 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.