Forwarded from Hacker News (yahnc_bot)
Show HN: I made a discrete logic network card https://qdiv.dev/posts/eth2/
qdiv.dev
Discrete logic network card
Building a 10BASE-T Ethernet transceiver (receiver and transmitter) with discrete logic chips
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Forwarded from Liberté, égalité, fraternité
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Forwarded from Hacker News (yahnc_bot)
DwarFS – Deduplicating Warp-Speed Advanced Read-Only File System https://github.com/mhx/dwarfs
GitHub
GitHub - mhx/dwarfs: A fast high-compression read-only file system for Linux, FreeBSD, macOS and Windows
A fast high-compression read-only file system for Linux, FreeBSD, macOS and Windows - mhx/dwarfs
https://lore.kernel.org/all/202402180028.6DB512C50@keescook/
tl;dr xen 往 /sys/kernel/notes 吐了 startup_xen 的 load address，然后这个文件是 world readable 的，直接把 KASLR 捅漏了
从 07 年开始漏的，比 KASLR 还早（
...
tl;dr xen 往 /sys/kernel/notes 吐了 startup_xen 的 load address，然后这个文件是 world readable 的，直接把 KASLR 捅漏了
从 07 年开始漏的，比 KASLR 还早（
But yes, I can confirm that relocations are done against the .notes section at boot, so the addresses exposed in .notes is an immediate
KASLR offset exposure....
Introduced in commit 5ead97c84fa7 ("xen: Core Xen implementation") Exposed in commit da1a679cde9b ("Add /sys/kernel/notes") Amazingly these both went in on the same release (v2.6.23, 2007). This has been exposed for longer than KASLR has been upstream. :P🤔3
喵喵小喵喵
https://lore.kernel.org/all/202402180028.6DB512C50@keescook/ tl;dr xen 往 /sys/kernel/notes 吐了 startup_xen 的 load address，然后这个文件是 world readable 的，直接把 KASLR 捅漏了 从 07 年开始漏的，比 KASLR 还早（ But yes, I can confirm that relocations are done against the .notes section…
LWN.net
When ELF notes reveal too much
The Linux kernel uses a number of hardening techniques to try to protect itself against comprom [...]
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Forwarded from 灵车漂移 (septs)
Signaloid C0-microSD
https://www.crowdsupply.com/signaloid/signaloid-c0-microsd
TL;DR 采用 microSD 外观尺寸的 FPGA 开发板
https://www.crowdsupply.com/signaloid/signaloid-c0-microsd
TL;DR 采用 microSD 外观尺寸的 FPGA 开发板
Crowd Supply
Signaloid C0-microSD
A programmable FPGA SoM in the tiny microSD form factor
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Forwarded from Hacker News (yahnc_bot)
Ray Tracer in a Boot Sector https://github.com/nanochess/RayTracer
GitHub
GitHub - nanochess/RayTracer: Ray Tracer in 483 bytes (x86 boot sector)
Ray Tracer in 483 bytes (x86 boot sector). Contribute to nanochess/RayTracer development by creating an account on GitHub.
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https://stackoverflow.com/questions/3398258/edit-shell-script-while-its-running
终于遇到了需要踩这种东西的时候了，感谢群友之前教过我
终于遇到了需要踩这种东西的时候了，感谢群友之前教过我
Stack Overflow
Edit shell script while it's running
Can you edit a shell script while it's running and have the changes affect the running script?
I'm curious about the specific case of a csh script I have that batch runs a bunch of different build
I'm curious about the specific case of a csh script I have that batch runs a bunch of different build
Forwarded from Hacker News (yahnc_bot)
Weird monitor bugs people sent me in the last 5 years (2022) https://notes.alinpanaitiu.com/Weird-monitor-bugs
Alinpanaitiu
Weird monitor bugs people sent me in the last 5 years - Alin Panaitiu
I develop 🌕 Lunar, a macOS app for getting intelligent adaptive brightness on external monitors and controlling every aspect of your monitor using DDC and other obscure protocols. I get tons of email about Lunar, especially after it became my full time “job”…
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Kconfig: add some hidden tabs on purpose
Linus Torvalds <torvalds@linux-foundation.org> 2024-04-12 10:05:10 -0700
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d5cf50dafc9dd5faa1e61e7021e3496ddf7fd61e&dt=1
Linus Torvalds <torvalds@linux-foundation.org> 2024-04-12 10:05:10 -0700
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d5cf50dafc9dd5faa1e61e7021e3496ddf7fd61e&dt=1
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