[PATCH 4.14 141/165] x86/entry/64: Wipe KASAN stack shadow before rewind_stack_do_exit()

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Jann Horn commit f12d11c5c184626b4befdee3d573ec8237405a33 upstream. Reset the KASAN shadow state of the task stack before rewinding RSP. Without this, a kernel oops will leave parts of the

[PATCH 4.14 141/165] x86/entry/64: Wipe KASAN stack shadow before rewind_stack_do_exit()

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Jann Horn commit f12d11c5c184626b4befdee3d573ec8237405a33 upstream. Reset the KASAN shadow state of the task stack before rewinding RSP. Without this, a kernel oops will leave parts of the