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Al Viro da025cdb97 propagate_umount(): only surviving overmounts should be reparented
... as the comments in reparent() clearly say.  As it is, we reparent
*all* overmounts of the mounts being taken out, including those that
are taken out themselves.  It's not only a potentially massive slowdown
(on a pathological setup we might end up with O(N^2) time for N mounts
being kicked out), it can end up with incorrect ->overmount in the
surviving mounts.

Fixes: f0d0ba1998 "Rewrite of propagate_umount()"
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2025-08-19 12:00:07 -04:00
Documentation EFI updates for v6.17 2025-08-09 18:10:01 +03:00
LICENSES
arch - Add a mitigation for a cache coherency vulnerability when running an 2025-08-12 08:19:23 -07:00
block block-6.17-20250808 2025-08-09 08:47:28 +03:00
certs
crypto
drivers YAUAFFix due to dma_buf_fd() misuse 2025-08-12 12:10:33 -07:00
fs propagate_umount(): only surviving overmounts should be reparented 2025-08-19 12:00:07 -04:00
include TTY revert fix for 6.16-rc1 2025-08-09 18:12:23 +03:00
init
io_uring io_uring/memmap: cast nr_pages to size_t before shifting 2025-08-08 06:35:14 -06:00
ipc
kernel - Remove an obsolete comment and fix spelling 2025-08-10 08:51:37 +03:00
lib block-6.17-20250808 2025-08-09 08:47:28 +03:00
mm
net nfsd-6.17 fixes: 2025-08-11 07:38:55 -07:00
rust
samples
scripts
security
sound gpio updates for v6.17-rc1 2025-08-09 08:15:43 +03:00
tools tools/power turbostat: version 2025.09.09 2025-08-10 09:02:36 +03:00
usr
virt
.clang-format
.clippy.toml
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COPYING
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MAINTAINERS spi: Fixes for v6.17 2025-08-09 08:43:24 +03:00
Makefile Linux 6.17-rc1 2025-08-10 19:41:16 +03:00
README

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.