2024 Config_refcount

Config_refcount_full

Author: hsyb

August undefined, 2024

WebNov 23, 2024 · A bit more code, but still pretty simple: Call Connect on the ConnectableObservable if refcount goes up to 1, disconnect if it goes down to 0. Put the …

[PATCH] Convert struct pid count to refcount_t

WebNov 25, 2024 · -config REFCOUNT_FULL - bool "Perform full reference count validation at the expense of speed" - help - Enabling this switches the refcounting infrastructure from a fast - unchecked atomic_t implementation to a fully state checked - implementation, which can be (slightly) slower but provides protections WebCONFIG_REFCOUNT_FULL Since Peter Zijlstra implemented the refcount_t API in v4.11, Elena Reshetova (with Hans Liljestrand and David Windsor) has been systematically … steakhouse in coralville ia

Linux-Kernel Archive: [PATCH v8 1/6] arch: enable relative …

WebCONFIG_REFCOUNT_FULL must be enabled. NOTE: automatic kernel builder for some reason doesn't like all my network branches and regularly times out the builds on these … WebAlthough the revised implementation passes all of the lkdtm REFCOUNT tests, there is a race condition introduced by the deferred saturation whereby if INT_MIN + 2 tasks take a reference on a refcount at REFCOUNT_MAX and are each preempted between detecting overflow and writing the saturated value without being rescheduled, then another task … WebOct 21, 2024 · CONFIG_REFCOUNT_FULL has gone since kernel v5.5 · Issue #1168 · kata-containers/packaging · GitHub This repository has been archived by the owner on May 12, 2024. It is now read-only. kata-containers / packaging Public archive Notifications Fork 97 Star 118 Issues Pull requests Actions Projects Wiki Insights steakhouse in commerce ca

Kconfig-Hardened-Check – A Tool For Checking The Hardening …

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Web*RESEND PATCH v4 00/10] Rework REFCOUNT_FULL using atomic_fetch_* operations @ 2024-11-21 11:58 Will Deacon 2024-11-21 11:58 ` [RESEND PATCH v4 01/10] lib/refcount: Define constants for saturation and max refcount values Will Deacon ` (11 more replies) 0 siblings, 12 replies; 36+ messages in thread From: Will Deacon @ 2024 … WebThe general approach is identical: the existing atomic_t helpers are cloned for refcount_t, with the arithmetic instruction modified to set the PSTATE flags, and one or two branch instructions added that jump to an out of line handler if overflow, decrement to zero or increment from zero are detected. steakhouse in conway arWebThis is the reason we ended up enabling CONFIG_REFCOUNT_FULL >> for arm64. I will let others comment on whether we want this patch in >> the first place, Dear Ard, Dave, I wanna hear some comment on above point. Is CONFIG_REFCOUNT_FULL much better for arm? If it is, I don't need to prepare v2 patch. (then, just needed to add "select … steakhouse in conway sc

"WebOperators; Connectable; RefCount; RefCount make a Connectable Observable behave like an ordinary Observable. A connectable Observable resembles an ordinary Observable, … " - Config_refcount_full

Config_refcount_full

kernel_xiaomi_alioth/refcount.c at v20240313-01_4.19.275 - kernel ...

WebA sample .conf file is available with full comments. (It may already be installed on your distribution as default.conf.sample.) The file uses a simple format of key=value, with one … WebJun 29, 2024 · June 29, 2024. Kconfig is a tool For Checking The Hardening Options In The Linux Kernel Config. There are plenty of Linux kernel hardening config options. A lot of …

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WebOct 21, 2024 · CONFIG_REFCOUNT_FULL has gone since kernel v5.5 · Issue #1168 · kata-containers/packaging · GitHub. This repository has been archived by the owner on … WebLKML Archive on lore.kernel.org help / color / mirror / Atom feed * [PATCH RFC v2] Convert struct pid count to refcount_t @ 2024-06-24 18:45 Joel Fernandes (Google) 2024-06-24 18:52 ` Joel Fernandes 2024-06-29 14:30 ` Andrea Parri 0 siblings, 2 replies; 7+ messages in thread From: Joel Fernandes (Google) @ 2024-06-24 18:45 UTC (permalink / raw) To: …

Webconfigname: CONFIG_REFCOUNT_FULL Linux Kernel Configuration └─> Perform full reference count validation at the expense of speed Enabling this switches the refcounting infrastructure from a fast unchecked atomic_t implementation to a fully state checked implementation, which can be (slightly) slower but provides protections WebMar 13, 2024 · * CONFIG_REFCOUNT_FULL refuses to move a refcount at all on an * over-sub, so we have to track our starting position instead of * looking only at zero-pinning. */ if ... * Only CONFIG_REFCOUNT_FULL provides this protection currently. */ void lkdtm_REFCOUNT_INC_ZERO (void) {refcount_t zero = REFCOUNT_INIT (0);

WebJun 19, 2024 · CONFIG_REFCOUNT_FULL y defconfig self_protection FAIL: "is not set" ... Config check is finished: 'OK' - 58 / 'FAIL' - 82. kconfig-hardened-check versioning. I usually update the kernel hardening recommendations after each Linux kernel release. WebJul 5, 2024 · This document describes how to troubleshoot IP connectivity problems in a NAT environment. Prerequisites Requirements There are no specific requirements for this document. Components Used This document is not restricted to specific software and hardware versions.

WebJun 18, 2024 · Motivation There are plenty of Linux kernel hardening config options. A lot of them are not enabled by the major distros. We have to enable these options ourselves to make our systems more secure. But nobody likes checking configs manually. So let the computers do their job! kconfig-hardened-check.py helps me to check the Linux …

Web* [PATCH] Convert struct pid count to refcount_t @ 2024-03-27 14:53 Joel Fernandes (Google) 2024-03-28 0:06 ` Kees Cook 0 siblings, 1 reply; 30+ messages in thread From: Joel Fernandes (Google) @ 2024-03-27 14:53 UTC (permalink / raw) To: linux-kernel Cc: Joel Fernandes (Google), keescook, kernel-team, kernel-hardening, Andrew Morton, Eric … steakhouse in circus circusWebJul 18, 2024 · The refcount is initialized with 0, my kernel is > build with CONFIG_REFCOUNT_FULL=y which makes `refcount_inc` be > … steakhouse in city centerWebCONFIG_KCOV=y CONFIG_KCOV_INSTRUMENT_ALL=y CONFIG_KCOV_ENABLE_COMPARISONS=y CONFIG_DEBUG_FS=y Note that CONFIG_KCOV_ENABLE_COMPARISONS feature also requires gcc8+ and the following commits if you are testing an old kernel: kcov: support comparison operands collection … steakhouse in cullman alabamaWebNov 25, 2024 · locking/refcount: Improve performance of generic REFCOUNT_FULL code Rewrite the generic REFCOUNT_FULL implementation so that the saturation point is … steakhouse in colonial heightsWebCONFIG_REFCOUNT_FULL: Perform full reference count validation at the expense of speed General informations The Linux kernel configuration item CONFIG_REFCOUNT_FULL: prompt: Perform full reference count validation at the expense of speed type: bool depends on: (none) defined in arch/Kconfig found in Linux … steakhouse in clermont flWebJun 10, 2024 · BR2_RELRO_FULL: This option includes the partial configuration, but also marks the GOT as read-only at the cost of initialization time during program loading, i.e every time an executable is started. Set Build options -> RELRO Protection -> Full (BR2_RELRO_FULL = y). _FORTIFY_SOURCE steakhouse in crystal lakeWebApr 28, 2024 · refcount_full 这个是一个针对引用计数的溢出保护，在对引用计数操作的函数中添加指令检测refcount是否为负。如果没有这个保护，内核对象引用计数不断增加， … steakhouse in dc downtown