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Filename Latest commit message Latest commit date
Yajun Deng f56951f211 ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans 
[ Upstream commit de203da734fae00e75be50220ba5391e7beecdf9 ]

There is a kernel API ntb_mw_clear_trans() would pass 0 to both addr and
size. This would make xlate_pos negative.

[   23.734156] switchtec switchtec0: MW 0: part 0 addr 0x0000000000000000 size 0x0000000000000000
[   23.734158] ================================================================================
[   23.734172] UBSAN: shift-out-of-bounds in drivers/ntb/hw/mscc/ntb_hw_switchtec.c:293:7
[   23.734418] shift exponent -1 is negative

Ensuring xlate_pos is a positive or zero before BIT.

Fixes: 1e2fd202f8 ("ntb_hw_switchtec: Check for alignment of the buffer in mw_set_trans()")
Signed-off-by: Yajun Deng <yajun.deng@linux.dev>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-04-10 14:29:42 +02:00
arch spufs: fix a leak in spufs_create_context() 2025-04-10 14:29:42 +02:00
block block: fix 'kmem_cache of name 'bio-108' already exists' 2025-04-10 14:29:37 +02:00
certs
crypto crypto: testmgr - some more fixes to RSA test vectors 2025-03-13 12:43:21 +01:00
Documentation sched/isolation: Prevent boot crash when the boot CPU is nohz_full 2025-04-10 14:29:35 +02:00
drivers ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans 2025-04-10 14:29:42 +02:00
fs affs: don't write overlarge OFS data block size fields 2025-04-10 14:29:42 +02:00
include sched/smt: Always inline sched_smt_active() 2025-04-10 14:29:42 +02:00
init initramfs: avoid filename buffer overrun 2024-12-14 19:44:21 +01:00
ipc
kernel locking/semaphore: Use wake_q to wake up processes outside lock critical section 2025-04-10 14:29:42 +02:00
lib lib: 842: Improve error handling in sw842_compress() 2025-04-10 14:29:40 +02:00
LICENSES
mm mm/page_alloc: fix uninitialized variable 2025-03-13 12:43:28 +01:00
net can: statistics: use atomic access in hot path 2025-04-10 14:29:42 +02:00
samples samples/bpf: Fix a resource leak 2024-12-14 19:44:50 +01:00
scripts selinux: Chain up tool resolving errors in install_policy.sh 2025-04-10 14:29:39 +02:00
security ima: Fix use-after-free on a dentry's dname.name 2025-03-13 12:43:19 +01:00
sound ALSA: hda/realtek: Always honor no_shutup_pins 2025-04-10 14:29:40 +02:00
tools perf python: Check if there is space to copy all the event 2025-04-10 14:29:42 +02:00
usr
virt KVM: arm64: Ignore PMCNTENSET_EL0 while checking for overflow status 2024-12-19 18:05:04 +01:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore Remove *.orig pattern from .gitignore 2024-11-08 16:20:33 +01:00
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.291 2025-03-13 12:43:33 +01:00
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 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.