Config_refcount_full
WebOct 30, 2024 · - * CONFIG_REFCOUNT_FULL refuses to move a refcount at all on an + * refcount_t 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. */ @@ -202,7 +202,6 @@ static void check_from_zero(refcount_t *ref) /* Web+ of some full refcount state checks. The refcount overflow condition, + however, must be retained. Catching overflows is the primary + security concern for protecting against bugs in reference counts. + config REFCOUNT_FULL bool "Perform full reference count validation at the expense of speed" help diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
Config_refcount_full
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WebCONFIG_REFCOUNT_FULL - - Enabling this switches the refcounting infrastructure from a fast unchecked atomic_t implementation to a fully state checked implementation, which … 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.
WebJul 10, 2024 · The new CONFIG_REFCOUNT_FULL configuration option can be used to select a version of the refcount_t reference-count implementation that drops the overflow tests to gain a bit more performance. By default, this option is enabled. The new "mux" driver subsystem provides support for multiplexer controllers that manage multiple devices. Webrefcount_warn_saturate(r, REFCOUNT_ADD_NOT_ZERO_OVF); return old;} /** * refcount_add_not_zero - add a value to a refcount unless it is 0 * @i: the value to add …
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*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 …
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 branches. Suggestion for "waiting a day for a good coverage" doesn't work, as we have seen with generic network conversions. So please wait for the
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 commercial sewing services perthWebThis adds CONFIG_REFCOUNT_FULL to enable the full refcount_t implementation which has the validation but is slightly slower. When not enabled, refcount_t uses the basic unchecked atomic_t routines, which results in no code changes compared to just using atomic_t directly. Signed-off-by: Kees Cook --- This is v2 of … dss electrical youtubeWebJul 18, 2024 · The refcount is initialized with 0, my kernel is > build with CONFIG_REFCOUNT_FULL=y which makes `refcount_inc` be > … dssec readingWebThis 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 … dss drug testing in scWebNov 25, 2024 · locking/refcount: Improve performance of generic REFCOUNT_FULL code Rewrite the generic REFCOUNT_FULL implementation so that the saturation point is … commercials for rhetorical analysis essayWeb@@ -975,4 +975,14 @@ config REFCOUNT_FULL against various use-after-free conditions that can be used in security flaw exploits. +config HAVE_ARCH_PREL32_RELOCATIONS + bool + help + May be selected by an architecture if it supports place-relative + 32-bit relocations, both in the toolchain and in the module … dssec sharepointWebCONFIG_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 … dss dw-p18