Date: Fri, 23 Apr 2021 11:15:08 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: f6b3c49256ed - stable/13 - amd64: clear debug registers on execing 32bit native binary Message-ID: <202104231115.13NBF8d4013273@gitrepo.freebsd.org>
index | next in thread | raw e-mail
The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=f6b3c49256edd4f402393a1d0276bd3ff3b5d458 commit f6b3c49256edd4f402393a1d0276bd3ff3b5d458 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2021-04-09 23:23:54 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2021-04-23 11:14:08 +0000 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 */help
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?202104231115.13NBF8d4013273>