Config_sched_stack_end_check

Author: pbnq

August undefined, 2024

WebNov 4, 2024 · The plan has been as follows: First extract STACKLEAK from the Grsecurity/PaX patch. Then carefully study the code and create a new patch. Send the …

[PATCH] sched: unlikely corrupted stack end

Web# config_warn_all_unseeded_random is not set: config_debug_fs=y: config_debug_fs_allow_all=y: config_debug_irqflags=y: config_ubsan=y: … Web@@ -824,6 +824,18 @@ config SCHEDSTATS application, you can say N to avoid the very slight overhead this adds. +config SCHED_STACK_END_CHECK + bool "Detect stack corruption on calls to schedule()" + depends on DEBUG_KERNEL + default y + help + This option checks for a stack overrun on calls to schedule(). + If the stack end … tail fat

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WebSep 23, 2010 · The /u and /p must have admin rights on /s to even schedule a task, otherwise it will fail. If you specify /s without /u and /p , the it will use your current … WebDec 8, 2015 · It's CONFIG_SCHED_MC. The help text says: Multi-core scheduler support improves the CPU scheduler's decision making when dealing with multi-core CPU chips … WebSep 8, 2024 · As the > issue still happens it seems these are two seperate bugs. > > [...] > Kernel panic - not syncing: corrupted stack end detected inside scheduler Can you try this patch, it might help us work out what is corrupting the stack. tailfeather and co

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WebDec 6, 2013 · 1. There are userspace programs like captest or setcap that deal with capabilities. And the capget and capset system calls (see man 2 capget ). Regarding … Web8. Is there some command i can use or a file i can check in order to find out which process scheduler im using on my linux system ? No, because unlike WRT to the I/O scheduler, there is only one possibility: the CFS ("Completely Fair Scheduler"), which includes real-time capabilities. The CFS is named partly to distinguish it from the "O (1 ... tailfeather accessoriesWeb+config SCHED_STACK_END_CHECK + bool "Detect stack corruption on calls to schedule()" + depends on DEBUG_KERNEL + default y + help + This option checks for a stack overrun on calls to schedule(). + If the stack end location is found to be over written always panic as + the content of the corrupted region can no longer be trusted. + This is … tailf confd

"WebFeb 23, 2024 · A Linux kernel configuration is a file which defines all of the enabled (or disabled) options which are compiled in to your kernel. If you have not seen one before, they generally reside in the kernel’s build directory with a filename of “.config”. " - Config_sched_stack_end_check

Config_sched_stack_end_check

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WebSep 14, 2024 · SCHED_STACK_END_CHECK assumes stack grows in one direction. ia64 is a rare case where it is not. As a result kernel fails at startup as: Kernel panic - not … WebApr 4, 2024 · The configuration files record settings for all global and interface-specific settings that define the operation of the stack and individual members. Once a save …

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WebCONFIG_SCHED_STACK_END_CHECK - Kernel-Config - BoxMatrix. If you like BoxMatrix then please contribute Supportdata, Supportdata2, Firmware and/or Hardware ( get in … WebDec 6, 2013 · Maybe the machine that gives you trouble has got some special configuration regarding capabilities or something. I think to detect this situation you can simply continue doing what you already do: call sched_setscheduler and if it returns EPERM, well, no permission. Share. Improve this answer.

Web@@ -865,6 +865,19 @@ config SCHED_STACK_END_CHECK data corruption or a sporadic crash at a later stage once the region is examined. The runtime overhead introduced is minimal. +config DEBUG_TIMEKEEPING + bool "Enable extra timekeeping sanity checking" + help + This option will enable additional timekeeping sanity checks WebCONFIG_SCHED_STACK_END_CHECK=y: CONFIG_HARDENED_USERCOPY=y: CONFIG_SLAB_FREELIST_RANDOM=y: ... CONFIG_VMAP_STACK=y: CONFIG_REFCOUNT_FULL=y: CONFIG_FORTIFY_SOURCE=y: CONFIG_RANDOMIZE_BASE=y: CONFIG_RANDOMIZE_MEMORY=y: …

Webkernel-5.14.0-8.el9 Build Info CentOS Stream BuildSys ... Changelog WebThis tool supports checking Kconfigoptions and kernel cmdlineparameters. I also created Linux Kernel Defence Mapthat is a graphical representation of the relationships between security hardening features and the corresponding vulnerability classes or exploitation techniques. Supported microarchitectures X86_64 X86_32 ARM64 ARM TODO: RISC-V

WebMay 20, 2024 · issue on updating parallel installed snap via hook cause snapd does not remap the servicename correctly to identifier of paralell snap, it have to be …

WebSep 29, 2015 · #ifdef CONFIG_SCHED_STACK_END_CHECK BUG_ON(unlikely(task_stack_end_corrupted(prev))); #endif - /* - * Test if we are atomic. Since do_exit() needs to call into - * schedule() atomically, we ignore that path. Otherwise whine - * if we are scheduling when we should not. - */ tailfeather brooklynhttp://www.uwsg.indiana.edu/hypermail/linux/kernel/1409.1/05137.html twig remove whitespaceWeb5 Answers. You can tune "slice" by adjusting sched_latency_ns and sched_min_granularity_ns, but note that "slice" is not a fixed quantum. Also note that CFS preemption decisions are based upon instantaneous state. A task may have received a full (variable) "slice" of CPU time, but preemption will be triggered only if a more deserving … twig returnWebJun 17, 2015 · The only way to get past this issue is to use make V=s -j1 and go through the menu interactions. I hate to have to rely on one processor to compile an entire buildroot. … twig replace filterWebRe: [PATCH v3 3/3] sched: BUG when stack end location is over written From: Michael Ellerman Date: Sun Sep 14 2014 - 22:40:00 EST Next message: Michael Ellerman: "Re: [PATCH v2 1/3] PCI/MSI/PPC: Remove arch_msi_check_device()" Previous message: Dave Young: "Re: [PATCH RFC] x86 early_ioremap: increase FIX_BTMAPS_SLOTS to … tailf command not foundWebThanks. Currently in the event of a stack overrun a call to schedule() does not check for this type of corruption. This corruption is often silent and can go unnoticed. However once the corrupted region is examined at a later stage, the outcome is undefined and often results in a sporadic page fault which cannot be handled. tailf discussWebSep 14, 2024 · SCHED_STACK_END_CHECK assumes stack grows in one direction. ia64 is a rare case where it is not. As a result kernel fails at startup as: Kernel panic - not syncing: corrupted stack end detected inside scheduler ... config SCHED_STACK_END_CHECK bool "Detect stack corruption on calls to schedule()" - depends on DEBUG_KERNEL + … tail -f command use