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| author | Konstantin Belousov <kib@FreeBSD.org> | 2021-04-09 23:23:54 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2021-05-01 00:38:29 +0000 |
| commit | ce8a17c2ba6cb1dba49d25c70b91ff8203ad816c (patch) | |
| tree | 36f02830c3018b0691c5472528ca7a1bea1d4521 | |
| parent | 83f3bc609090aedb9b276e4f2b43e570857fd153 (diff) | |
| download | src-ce8a17c2ba6cb1dba49d25c70b91ff8203ad816c.tar.gz src-ce8a17c2ba6cb1dba49d25c70b91ff8203ad816c.zip | |
amd64: clear debug registers on execing 32bit native binary
(cherry picked from commit d50adfec9ee73e88e8d365525f1acef2c1db798a)
| -rw-r--r-- | sys/amd64/ia32/ia32_signal.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/amd64/ia32/ia32_signal.c b/sys/amd64/ia32/ia32_signal.c index 72f35af75b85..4342d6fb807d 100644 --- a/sys/amd64/ia32/ia32_signal.c +++ b/sys/amd64/ia32/ia32_signal.c @@ -971,6 +971,8 @@ ia32_setregs(struct thread *td, struct image_params *imgp, u_long 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 */ |