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Nathan Chancellor 984830d902 lib/Kconfig.ubsan: Remove 'default UBSAN' from UBSAN_INTEGER_WRAP commit `cdc2e1d9d9` upstream. CONFIG_UBSAN_INTEGER_WRAP is 'default UBSAN', which is problematic for a couple of reasons. The first is that this sanitizer is under active development on the compiler side to come up with a solution that is maintainable on the compiler side and usable on the kernel side. As a result of this, there are many warnings when the sanitizer is enabled that have no clear path to resolution yet but users may see them and report them in the meantime. The second is that this option was renamed from CONFIG_UBSAN_SIGNED_WRAP, meaning that if a configuration has CONFIG_UBSAN=y but CONFIG_UBSAN_SIGNED_WRAP=n and it is upgraded via olddefconfig (common in non-interactive scenarios such as CI), CONFIG_UBSAN_INTEGER_WRAP will be silently enabled again. Remove 'default UBSAN' from CONFIG_UBSAN_INTEGER_WRAP until it is ready for regular usage and testing from a broader community than the folks actively working on the feature. Cc: stable@vger.kernel.org Fixes: `557f8c582a` ("ubsan: Reintroduce signed overflow sanitizer") Signed-off-by: Nathan Chancellor <nathan@kernel.org> Link: https://lore.kernel.org/r/20250414-drop-default-ubsan-integer-wrap-v1-1-392522551d6b@kernel.org Signed-off-by: Kees Cook <kees@kernel.org> [nathan: Fix conflict due to lack of rename from `ed2b548f10` in stable] Signed-off-by: Nathan Chancellor <nathan@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		2025-05-02 07:58:58 +02:00
arch	PCI/MSI: Convert pci_msi_ignore_mask to per MSI domain flag	2025-05-02 07:58:56 +02:00
block	block: make sure ->nr_integrity_segments is cloned in blk_rq_prep_clone	2025-05-02 07:58:54 +02:00
certs
crypto
Documentation	platform/x86: msi-wmi-platform: Workaround a ACPI firmware bug	2025-04-25 10:48:04 +02:00
drivers	drm/amd/display/dml2: use vzalloc rather than kzalloc	2025-05-02 07:58:58 +02:00
fs	ksmbd: fix use-after-free in __smb2_lease_break_noti()	2025-05-02 07:58:57 +02:00
include	drm/xe/bmg: Add one additional PCI ID	2025-05-02 07:58:58 +02:00
init
io_uring	block: add a rq_list type	2025-04-25 10:48:06 +02:00
ipc
kernel	PCI/MSI: Convert pci_msi_ignore_mask to per MSI domain flag	2025-05-02 07:58:56 +02:00
lib	lib/Kconfig.ubsan: Remove 'default UBSAN' from UBSAN_INTEGER_WRAP	2025-05-02 07:58:58 +02:00
LICENSES
mm	mm/vmscan: don't try to reclaim hwpoison folio	2025-05-02 07:58:52 +02:00
net	Bluetooth: l2cap: Process valid commands in too long frame	2025-04-25 10:47:51 +02:00
rust
samples	tracing: Verify event formats that have "%*p.."	2025-05-02 07:58:52 +02:00
scripts	scripts: generate_rust_analyzer: Add ffi crate	2025-04-25 10:48:04 +02:00
security
sound	ASoC: qcom: Fix sc7280 lpass potential buffer overflow	2025-04-25 10:47:50 +02:00
tools	selftests/bpf: extend changes_pkt_data with cases w/o subprograms	2025-04-25 10:48:08 +02:00
usr
virt
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.clippy.toml
.cocciconfig
.editorconfig
.get_maintainer.ignore
.gitattributes
.gitignore
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COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile	Linux 6.12.25	2025-04-25 10:48:08 +02:00
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.