From f6b3c49256edd4f402393a1d0276bd3ff3b5d458 Mon Sep 17 00:00:00 2001 From: Konstantin Belousov Date: Sat, 10 Apr 2021 02:23:54 +0300 Subject: amd64: clear debug registers on execing 32bit native binary (cherry picked from commit d50adfec9ee73e88e8d365525f1acef2c1db798a) --- sys/amd64/ia32/ia32_signal.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/amd64/ia32/ia32_signal.c b/sys/amd64/ia32/ia32_signal.c index 51dd1f38090f..c114cf1d240a 100644 --- a/sys/amd64/ia32/ia32_signal.c +++ b/sys/amd64/ia32/ia32_signal.c @@ -968,6 +968,8 @@ ia32_setregs(struct thread *td, struct image_params *imgp, uintptr_t stack) regs->tf_gs = _ugssel; regs->tf_flags = TF_HASSEGS; + x86_clear_dbregs(pcb); + fpstate_drop(td); /* Return via doreti so that we can change to a different %cs */ -- cgit v1.2.3