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| author | Konstantin Belousov <kib@FreeBSD.org> | 2021-04-09 23:25:06 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2021-04-23 11:14:08 +0000 |
| commit | 0d511482557677ef7aecb3109955d1596d5cf9d9 (patch) | |
| tree | c84c2d1ee50f773d918c07f3059caa98532438d0 | |
| parent | 88d6f049c12f5d6945209c8805d4399a766de524 (diff) | |
| download | src-0d511482557677ef7aecb3109955d1596d5cf9d9.tar.gz src-0d511482557677ef7aecb3109955d1596d5cf9d9.zip | |
amd64: clear debug registers on execing 32bit Linux binary
(cherry picked from commit 94172affa43af15fe3b50293a96c292eca30c386)
| -rw-r--r-- | sys/amd64/linux32/linux32_sysvec.c | 2 |
1 files changed, 2 insertions, 0 deletions
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 */ |