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Filename Latest commit message Latest commit date
Viacheslav Dubeyko 257271282a hfs: clear offset and space out of valid records in b-tree node
[ Upstream commit 18b07c44f245beb03588b00b212b38fce9af7cc9 ]

Currently, hfs_brec_remove() executes moving records
towards the location of deleted record and it updates
offsets of moved records. However, the hfs_brec_remove()
logic ignores the "mess" of b-tree node's free space and
it doesn't touch the offsets out of records number.
Potentially, it could confuse fsck or driver logic or
to be a reason of potential corruption cases.

This patch reworks the logic of hfs_brec_remove()
by means of clearing freed space of b-tree node
after the records moving. And it clear the last
offset that keeping old location of free space
because now the offset before this one is keeping
the actual offset to the free space after the record
deletion.

Signed-off-by: Viacheslav Dubeyko <slava@dubeyko.com>
cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
cc: Yangtao Li <frank.li@vivo.com>
cc: linux-fsdevel@vger.kernel.org
Link: https://lore.kernel.org/r/20250815194918.38165-1-slava@dubeyko.com
Signed-off-by: Viacheslav Dubeyko <slava@dubeyko.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-10-29 13:59:57 +01:00
arch KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O 2025-10-29 13:59:54 +01:00
block
certs
crypto crypto: essiv - Check ssize for decryption and in-place encryption 2025-10-29 13:59:52 +01:00
Documentation fs: Add 'initramfs_options' to set initramfs mount options 2025-10-29 13:59:55 +01:00
drivers tg3: prevent use of uninitialized remote_adv and local_adv variables 2025-10-29 13:59:57 +01:00
fs hfs: clear offset and space out of valid records in b-tree node 2025-10-29 13:59:57 +01:00
include net/ip6_tunnel: Prevent perpetual tunnel growth 2025-10-29 13:59:56 +01:00
init
ipc
kernel sched/fair: Fix pelt lost idle time detection 2025-10-29 13:59:57 +01:00
lib lib/genalloc: fix device leak in of_gen_pool_get() 2025-10-29 13:59:53 +01:00
LICENSES
mm mm: hugetlb: avoid soft lockup when mprotect to large memory area 2025-10-29 13:59:50 +01:00
net tls: don't rely on tx_work during send() 2025-10-29 13:59:57 +01:00
samples
scripts
security
sound ALSA: firewire: amdtp-stream: fix enum kernel-doc warnings 2025-10-29 13:59:57 +01:00
tools rseq/selftests: Use weak symbol reference, not definition, to link with glibc 2025-10-29 13:59:54 +01:00
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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 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.