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c63433a09d
commita31080899dupstream. mount.cifs can pass a device with multiple delimiters in it. This will cause rename(2) to fail with ENOENT. V2: - Make sanitize_path more readable. - Fix multiple delimiters between UNC and prepath. - Avoid a memory leak if a bad user starts putting a lot of delimiters in the path on purpose. BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=2031200 Fixes:24e0a1eff9("cifs: switch to new mount api") Cc: stable@vger.kernel.org # 5.11+ Acked-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Thiago Rafael Becker <trbecker@gmail.com> Signed-off-by: Steve French <stfrench@microsoft.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.