On Wed, 20 May 2020 23:36:05 +1000, Michael Ellerman wrote: > Several strange crashes have been eventually traced back to > STRICT_KERNEL_RWX and its interaction with code patching. > > Various paths in our ftrace, kprobes and other patching code need to > be hardened against patching failures, otherwise we can end up running > with partially/incorrectly patched ftrace paths, kprobes or jump > labels, which can then cause strange crashes. > > [...]
Applied to powerpc/fixes. [1/1] powerpc/64s: Disable STRICT_KERNEL_RWX https://git.kernel.org/powerpc/c/8659a0e0efdd975c73355dbc033f79ba3b31e82c cheers