Re: [PATCH] x86/module: Detect corrupt relocations against nonzero data

On Thu, Nov 02, 2017 at 04:57:11PM -0500, Josh Poimboeuf wrote: > There have been some cases where external tooling (e.g., kpatch-build) > creates a corrupt relocation which targets the wrong address. This is a > silent failure which can corrupt memory in unexpected places. > > On x86, the bytes

[PATCH] x86/module: Detect corrupt relocations against nonzero data

There have been some cases where external tooling (e.g., kpatch-build) creates a corrupt relocation which targets the wrong address. This is a silent failure which can corrupt memory in unexpected places. On x86, the bytes of data being overwritten by relocations are always initialized to zero be