On Wed, 26 Mar 2014 21:00:15 +0100 Thomas Bächler <thomas@xxxxxxxxxxxxx> wrote: > Am 26.03.2014 20:18, schrieb Leonid Isaev: > > However, I don't think that Yama requires any userspace components, does > > it? Currently, I boot with "security=yama" and completely disabled > > non-admin ptrace (kernel.yama.ptrace_scope=2). Perhaps -ARCH kernels > > should keep Yama available albeit disabled by default (as they now do). > > Once yama is built-in, the ptrace_scope protection is enabled by > default. There is no option to change that. > But by default, kernel.yama.ptrace_scope = 0, which according to documentation (Yama.txt) is like having no ptrace restriction at all, and indeed gdb/strace work... Best, -- Leonid Isaev GnuPG key fingerprint: C0DF 20D0 C075 C3F1 E1BE 775A A7AE F6CB 164B 5A6D
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