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Linus Torvalds 6c0cf6022a minmax: scsi: fix mis-use of 'clamp()' in sr.c 
commit 9f499b8c79 upstream.

While working on simplifying the minmax functions, and avoiding
excessive macro expansion, it turns out that the sr.c use of the
'clamp()' macro has the arguments the wrong way around.

The clamp logic is

	val = clamp(in, low, high);

and it returns the input clamped to the low/high limits. But sr.c ddid

	speed = clamp(0, speed, 0xffff / 177);

which clamps the value '0' to the range '[speed, 0xffff / 177]' and ends
up being nonsensical.

Happily, I don't think anybody ever cared.

Fixes: 9fad9d560a ("scsi: sr: Fix unintentional arithmetic wraparound")
Cc: Justin Stitt <justinstitt@google.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Wentao Guan <guanwentao@uniontech.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2024-08-03 08:54:33 +02:00
arch MIPS: Loongson64: Test register availability before use 2024-08-03 08:54:32 +02:00
block block: fix deadlock between sd_remove & sd_release 2024-08-03 08:54:24 +02:00
certs certs: Reference revocation list for all keyrings 2023-08-17 20:12:41 +00:00
crypto crypto: aead,cipher - zeroize key buffer after use 2024-07-11 12:49:04 +02:00
Documentation dt-bindings: thermal: correct thermal zone node name limit 2024-08-03 08:54:12 +02:00
drivers minmax: scsi: fix mis-use of 'clamp()' in sr.c 2024-08-03 08:54:33 +02:00
fs f2fs: use meta inode for GC of COW file 2024-08-03 08:54:23 +02:00
include perf: Fix event leak upon exec and file release 2024-08-03 08:54:27 +02:00
init smp: Provide 'setup_max_cpus' definition on UP too 2024-06-16 13:47:49 +02:00
io_uring io_uring: tighten task exit cancellations 2024-08-03 08:54:17 +02:00
ipc Add x86 shadow stack support 2023-08-31 12:20:12 -07:00
kernel watchdog/perf: properly initialize the turbo mode timestamp and rearm counter 2024-08-03 08:54:29 +02:00
lib lib/build_OID_registry: don't mention the full path of the script in output 2024-08-03 08:54:32 +02:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm mm/numa_balancing: teach mpol_to_str about the balancing mode 2024-08-03 08:54:25 +02:00
net ipv6: take care of scope when choosing the src addr 2024-08-03 08:54:13 +02:00
rust rust: kernel: require Send for Module implementations 2024-05-17 12:01:56 +02:00
samples work around gcc bugs with 'asm goto' with outputs 2024-02-23 09:24:47 +01:00
scripts kbuild: Fix '-S -c' in x86 stack protector scripts 2024-08-03 08:54:24 +02:00
security task_work: s/task_work_cancel()/task_work_cancel_func()/ 2024-08-03 08:54:16 +02:00
sound ASoC: amd: yc: Support mic on Lenovo Thinkpad E16 Gen 2 2024-08-03 08:54:24 +02:00
tools selftests/sigaltstack: Fix ppc64 GCC build 2024-08-03 08:54:30 +02:00
usr initramfs: Encode dependency on KBUILD_BUILD_TIMESTAMP 2023-06-06 17:54:49 +09:00
virt KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin() 2024-06-27 13:49:11 +02:00
.clang-format iommu: Add for_each_group_device() 2023-05-23 08:15:51 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore kbuild: rpm-pkg: rename binkernel.spec to kernel.spec 2023-07-25 00:59:33 +09:00
.mailmap 20 hotfixes. 12 are cc:stable and the remainder address post-6.5 issues 2023-10-24 09:52:16 -10:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS USB: Remove Wireless USB and UWB documentation 2023-08-09 14:17:32 +02:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS pwm: Rename pwm_apply_state() to pwm_apply_might_sleep() 2024-06-12 11:12:24 +02:00
Makefile Linux 6.6.43 2024-07-27 11:34:11 +02:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.