2024 Make kernel text and rodata read-only

Make kernel text and rodata read-only

Author: bexs

August undefined, 2024

WebAdditionally splits rodata from kernel + text so it can be made explicitly non-executable. This creates + another section-size padded region, so it can waste more memory + … Web21 mrt. 2024 · So I still have the question and I ask it here to get answer. This is what I see when I search “KERNEL_RWX” during “make menuconfig” for arm64 kernel (5-10.0 …

Re: gold patch committed (Was: Re: Help needed to track down …

WebOn Fri, Oct 17, 2014 at 1:15 AM, Hillf Danton wrote: > Hey Kees > >> From: Kees Cook >> To: [email protected] ... Web+ If this is set, kernel text and rodata will be made read-only. + This additionally splits rodata from kernel text so it can be made + non-executable. This creates another … html checkbox vertical align

Subject [PATCH v3 5/8] x86: make CONFIG_DEBUG_RODATA non …

WebThey were related to Xen code that is not upstream but this clean up would make sense here. I think that this was already the intention when text_ip_addr() was introduced in the commit 87fbb2ac6073a703930 (ftrace/x86: Use breakpoints for … Web21 mrt. 2024 · So I still have the question and I ask it here to get answer. This is what I see when I search “KERNEL_RWX” during “make menuconfig” for arm64 kernel (5-10.0 … WebThis introduces CONFIG_DEBUG_RODATA, making kernel text and rodata read-only. Additionally, this splits rodata from text so that rodata can also be NX, which may lead … hocking hills ohio cabin

Mailing List Archive: [PATCH 2/2] ARM: mm: make text and rodata …

WebBefore a23740ec43ba, the register > content was marked as an unknown scalar so the verifier could not make any > assumptions about the map content. > > The current implementation however is prone to a TOCTOU race, meaning, the > value read as known scalar for the register is not guaranteed to be exactly > the same at a later point when … Web- Mark the kernel read-only data as write-protected in the pagetables, - in order to catch accidental (and incorrect) writes to such const This is recommended so that we can … html checkbox单选框Web30 nov. 2015 · + If this is set, kernel memory (text, rodata, etc) will be made + read-only, and non-text kernel memory will be made non-executable. + The tradeoff is that each … html checkbox单选

"WebFrom: "Török Edwin" To: Ian Lance Taylor Cc: [email protected] Subject: Re: gold patch committed (Was: Re: Help needed … " - Make kernel text and rodata read-only

Make kernel text and rodata read-only

Linux Kernel Module Programming: Hello World Program

Web8 mei 2024 · config ARCH_HAS_STRICT_MODULE_RWX def_bool n config STRICT_MODULE_RWX bool "Set loadable kernel module data as NX and text as RO" … Web17 jan. 2014 · It can be very difficult to debug who is overwriting kernel. It would be nice to have some mechanism to detect kernel overwriting or corruption by setting a write …

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WebHelp text If this is set, kernel text and rodata memory will be made read-only, and non-text memory will be made non-executable. This provides protection against certain … Web27 nov. 2024 · Using kgdb, kdb and the kernel debugger internals 有两种调试环境可供选择。一种方式是使用真机调试，另一种是使用模拟器。真机调试也是可行的，网上比较靠 …

WebExecutable code and read-only data must not be writable Any areas of the kernel with executable memory must not be writable. While this obviously includes the kernel text itself, we must consider all additional places too: kernel modules, JIT memory, etc. WebFrom: "Török Edwin" To: Ian Lance Taylor Cc: [email protected] Subject: Re: gold patch committed (Was: Re: Help needed to track down bug: linking Linux kernel with gold creates unbootable kernel) Date: Sat, 24 Apr 2010 07:29:00 -0000 [thread overview] Message-ID: <[email protected]> …

Web24 mei 2024 · Reported by Andrew Boie: We need to make sure that there is a split between rodata and program text, program text should be executable (and probably not … Web1 jun. 2024 · I have a large array (104968 entries) of read-only data in a .cpp file which I would like the linker to put into the .rodata section so it gets accessed from flash when the program executes (not loaded into RAM). I'm defining it like this: Code: Select all

WebToggle navigation Patchwork Linux ARM Kernel Architecture Patches Bundles About this project Login; Register; Mail settings; 10480199 diff mbox. ARM: ftrace: Only set kernel memory back to read-only after boot. Message ID: [email protected] (mailing list archive) State: New, …

WebIf this is set, kernel text and rodata memory will be made read-only, and non-text memory will be made non-executable. This provides protection against certain security … html checkbox won\u0027t checkWeb+ +config DEBUG_RODATA + bool "Make kernel text and rodata read-only" + depends on ARM_KERNMEM_PERMS + default y + help + If this is set, kernel text and rodata … html checkbox互斥Web+config DEBUG_RODATA + bool "Make kernel text and rodata read-only" + depends on ARM_KERNMEM_PERMS && KEXEC=n && KPROBES=n + default y + help + If this is … html checkbox with three statesWeb9 dec. 2015 · -config DEBUG_RODATA - bool "Write protect kernel read-only data structures" - default y - depends on DEBUG_KERNEL - ---help---- Mark the kernel read-only data as write-protected in the pagetables, - in order to catch accidental (and incorrect) writes to such const - data. This is recommended so that we can catch kernel bugs sooner. html checkbox 选中事件Web12 aug. 2014 · + bool "Make kernel text and rodata read-only" + depends on ARM_KERNMEM_PERMS + default y + help + If this is set, kernel text and rodata … hocking hills ohio hotels on riverWebcool! could you perhaps also do an add-on: > + /* test 1: read the value */ > + /* test 2: write to the variable; this should fault */ > + /* test 3: check the value hasn't changed */ test 4: … hocking hills ohio parkWeb30 nov. 2024 · The .rodata segment in ELF files contains data that is not meant to be changed. By default, all pages from this segment are read-only, and any attempt at … html checkbox颜色