diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2017-09-29 18:59:10 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2017-09-29 18:59:10 +0000 |
| commit | 48311c2b427b8dae881f3b1370d66138ed2cd37f (patch) | |
| tree | 53ce7d95624ae95005a6843f334a47a9757b6990 /sys | |
| parent | 2407bc550a0ae5f1498cb071ce5fdaaac2d0d96a (diff) | |
When fault indicates PGEX_W, only tell uvm we need a writeable page..
don't request R+W. Issue observed by jsing in a go test of some sort.
ok mlarkin
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/i386/i386/trap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/arch/i386/i386/trap.c b/sys/arch/i386/i386/trap.c index 703667af612..1f24e65b09e 100644 --- a/sys/arch/i386/i386/trap.c +++ b/sys/arch/i386/i386/trap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: trap.c,v 1.134 2017/09/15 02:33:34 mlarkin Exp $ */ +/* $OpenBSD: trap.c,v 1.135 2017/09/29 18:59:09 deraadt Exp $ */ /* $NetBSD: trap.c,v 1.95 1996/05/05 06:50:02 mycroft Exp $ */ /*- @@ -130,7 +130,7 @@ trap(struct trapframe *frame) /* SIGSEGV and SIGBUS need this */ if (frame->tf_err & PGEX_W) { vftype = PROT_WRITE; - ftype = PROT_READ | PROT_WRITE; + ftype = PROT_WRITE; } else if (frame->tf_err & PGEX_I) { ftype = vftype = PROT_EXEC; } else |