Date: Sat, 10 Apr 2021 01:25:15 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 94172affa43a - main - amd64: clear debug registers on execing 32bit Linux binary Message-ID: <202104100125.13A1PF9x043346@gitrepo.freebsd.org>
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The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=94172affa43af15fe3b50293a96c292eca30c386 commit 94172affa43af15fe3b50293a96c292eca30c386 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2021-04-09 23:25:06 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2021-04-10 01:25:02 +0000 amd64: clear debug registers on execing 32bit Linux binary Reviewed by: jhb Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D29687 --- 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 */help
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