Date: Fri, 23 Apr 2021 11:15:07 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: 0d5114825576 - stable/13 - amd64: clear debug registers on execing 32bit Linux binary Message-ID: <202104231115.13NBF7e8013252@gitrepo.freebsd.org>
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The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=0d511482557677ef7aecb3109955d1596d5cf9d9 commit 0d511482557677ef7aecb3109955d1596d5cf9d9 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2021-04-09 23:25:06 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2021-04-23 11:14:08 +0000 amd64: clear debug registers on execing 32bit Linux binary (cherry picked from commit 94172affa43af15fe3b50293a96c292eca30c386) --- sys/amd64/linux32/linux32_sysvec.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/amd64/linux32/linux32_sysvec.c b/sys/amd64/linux32/linux32_sysvec.c index bb86baefaec4..3790d0fcb69c 100644 --- a/sys/amd64/linux32/linux32_sysvec.c +++ b/sys/amd64/linux32/linux32_sysvec.c @@ -722,6 +722,8 @@ linux_exec_setregs(struct thread *td, struct image_params *imgp, regs->tf_cs = _ucode32sel; regs->tf_rbx = (register_t)imgp->ps_strings; + x86_clear_dbregs(pcb); + fpstate_drop(td); /* Do full restore on return so that we can change to a different %cs */
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