RE: Deny system call using ptrace

2007-04-01 Thread Thijs Eilander
>I'm trying to create sort of user-space access control system based on allowing/denying syscalls. I was able (after a few problems) to start ptracing >program, stop at every enter/exit from system call, inspect arguments etc. What I'm however trying to do, is denying access to syscalls. In linux I

any vm gurus in the house? :) (was: Fatal trap 12, at use qemu)

2007-04-01 Thread Juergen Lock
In article <[EMAIL PROTECTED]> you write: >http://www.freebsd.org/cgi/query-pr.cgi?pr=110892 > >Crash of system at use of the emulator "qemu" > >$ pkg_info -E kqemu\* qemu\* >kqemu-kmod-1.3.0.p11 >qemu-0.9.0 > >$ kldload aio >$ kldload kqemu >$ qemu -boot c -m 256 \ >-hda /usr/EMULATORS/BOCHS/disk0