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998541db0e
Askar Safin <safinaskar@zohomail.com> says: openat2 had a bug: if we pass RESOLVE_NO_XDEV, then openat2 doesn't traverse through automounts, but may still trigger them. See this link for full bug report with reproducer: https://lore.kernel.org/linux-fsdevel/20250817075252.4137628-1-safinaskar@zohomail.com/ This patchset fixes the bug. RESOLVE_NO_XDEV logic hopefully becomes more clear: now we immediately fail when we cross mountpoints. * patches from https://lore.kernel.org/20250825181233.2464822-1-safinaskar@zohomail.com: openat2: don't trigger automounts with RESOLVE_NO_XDEV namei: move cross-device check to __traverse_mounts namei: remove LOOKUP_NO_XDEV check from handle_mounts namei: move cross-device check to traverse_mounts Link: https://lore.kernel.org/20250825181233.2464822-1-safinaskar@zohomail.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.