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Aleksa Sarai <cyphar@cyphar.com> says: It makes little sense for fsmount() to output the warning message when mount_too_revealing() is violated to kmsg. Instead, the warning should be output (with a "VFS" prefix) to the fscontext log. In addition, include the same log message for mount_too_revealing() when doing a regular mount for consistency. With the newest fsopen()-based mount(8) from util-linux, the error messages now look like # mount -t proc proc /tmp mount: /tmp: fsmount() failed: VFS: Mount too revealing. dmesg(1) may have more information after failed mount system call. which could finally result in mount_too_revealing() errors being easier for users to detect and understand. * patches from https://lore.kernel.org/20250806-errorfc-mount-too-revealing-v2-0-534b9b4d45bb@cyphar.com: vfs: output mount_too_revealing() errors to fscontext fscontext: add custom-prefix log helpers Link: https://lore.kernel.org/20250806-errorfc-mount-too-revealing-v2-0-534b9b4d45bb@cyphar.com Signed-off-by: Christian Brauner <brauner@kernel.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 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.