The general dangerous ability to do this is why protected mode went into the i368 and is the first and most essential promise to prevent of every OS other than MS DOS, original MacOS, and practically the threads in shared memory model of Smalltalk & MP Mathematica.
On Thu, Apr 30, 2020 at 7:13 PM Kurtis Rader <kra...@skepticism.us> wrote: > On Thu, Apr 30, 2020 at 6:59 PM Trig <edb1...@gmail.com> wrote: > >> I'm attempting to read memory from another process. I've installed >> 'Cheat Engine' to do this, to make sure I'm pulling the correct value from >> the address I'm attempting to; however, nothing I found works I did find >> this article: >> >> >> https://stackoverflow.com/questions/37358478/read-random-memory-locations-with-golang >> >> I don't believe that is correct though, as using the address of the >> location I'm attempting to read doesn't result in a value anywhere near >> what 'Cheat Engine' is reporting. I've looked at the 'unsafe' and >> 'syscall' packages; however, there's very little information on them. >> Also, searched many ways trying to find examples on how to do this. I'm on >> a Mac (and use Linux). On Windows, I can do this fairly easy. >> > > Really? I'd love to see your Go code that allows reading arbitrary memory > on MS Windows. > > As Ian pointed out on UNIX, and most operating systems for that matter, do > not allow a process to read the memory of other processes without using > specialized operating system APIs meant for debugging; such as the > `ptrace()` syscall. > > Note that the stackoverflow question you linked to is bollocks. The > questioner apparently wants to read the virtual memory of other processes. > Yet they accepted as correct an answer that does no such thing. The > "answer" only reads arbitrary virtual memory of the Go process. > > -- > Kurtis Rader > Caretaker of the exceptional canines Junior and Hank > > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/golang-nuts/CABx2%3DD9v%2BssEHjeZfV2Xb9QQYAkWgF5wskOYi2LkrfPqak4JrQ%40mail.gmail.com > <https://groups.google.com/d/msgid/golang-nuts/CABx2%3DD9v%2BssEHjeZfV2Xb9QQYAkWgF5wskOYi2LkrfPqak4JrQ%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- *Michael T. jonesmichael.jo...@gmail.com <michael.jo...@gmail.com>* -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/CALoEmQw%3D1GtAw9CZVKJZ8eBhuyH2ufs%3Dg_fm6_QWU%2BSerAxYeQ%40mail.gmail.com.
