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authorgVisor bot <gvisor-bot@google.com>2019-07-25 23:57:55 +0000
committergVisor bot <gvisor-bot@google.com>2019-07-25 23:57:55 +0000
commitd1ac010e93da039b4a046981845adf6f11273b3d (patch)
tree620634d4e99e7f03cced1b07f5784b7c2f8ca7f9 /pkg
parent3196ae04b801ad8ab44980e4f72ce57528fe89ea (diff)
parent7052d21dc45be8ba5ba82117aedc0cb6ecb7c1b7 (diff)
Merge 7052d21d (automated)
Diffstat (limited to 'pkg')
-rw-r--r--pkg/sentry/fs/inode_overlay.go6
-rwxr-xr-xpkg/sentry/kernel/seqatomic_taskgoroutineschedinfo_unsafe.go5
-rwxr-xr-xpkg/sentry/platform/ring0/defs_impl.go2
-rwxr-xr-xpkg/sentry/time/seqatomic_parameters_unsafe.go5
4 files changed, 5 insertions, 13 deletions
diff --git a/pkg/sentry/fs/inode_overlay.go b/pkg/sentry/fs/inode_overlay.go
index e0602da17..246b97161 100644
--- a/pkg/sentry/fs/inode_overlay.go
+++ b/pkg/sentry/fs/inode_overlay.go
@@ -571,12 +571,6 @@ func overlayCheck(ctx context.Context, o *overlayEntry, p PermMask) error {
if o.upper != nil {
err = o.upper.check(ctx, p)
} else {
- if p.Write {
- // Since writes will be redirected to the upper filesystem, the lower
- // filesystem need not be writable, but must be readable for copy-up.
- p.Write = false
- p.Read = true
- }
err = o.lower.check(ctx, p)
}
o.copyMu.RUnlock()
diff --git a/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo_unsafe.go b/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo_unsafe.go
index c284a1b11..be6b07629 100755
--- a/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo_unsafe.go
+++ b/pkg/sentry/kernel/seqatomic_taskgoroutineschedinfo_unsafe.go
@@ -1,12 +1,11 @@
package kernel
import (
+ "fmt"
+ "gvisor.dev/gvisor/third_party/gvsync"
"reflect"
"strings"
"unsafe"
-
- "fmt"
- "gvisor.dev/gvisor/third_party/gvsync"
)
// SeqAtomicLoad returns a copy of *ptr, ensuring that the read does not race
diff --git a/pkg/sentry/platform/ring0/defs_impl.go b/pkg/sentry/platform/ring0/defs_impl.go
index ea3f514cd..d4bfc5a4a 100755
--- a/pkg/sentry/platform/ring0/defs_impl.go
+++ b/pkg/sentry/platform/ring0/defs_impl.go
@@ -1,10 +1,10 @@
package ring0
import (
- "gvisor.dev/gvisor/pkg/cpuid"
"syscall"
"fmt"
+ "gvisor.dev/gvisor/pkg/cpuid"
"gvisor.dev/gvisor/pkg/sentry/platform/ring0/pagetables"
"gvisor.dev/gvisor/pkg/sentry/usermem"
"io"
diff --git a/pkg/sentry/time/seqatomic_parameters_unsafe.go b/pkg/sentry/time/seqatomic_parameters_unsafe.go
index 1ec221edd..b4fb0a7f0 100755
--- a/pkg/sentry/time/seqatomic_parameters_unsafe.go
+++ b/pkg/sentry/time/seqatomic_parameters_unsafe.go
@@ -1,12 +1,11 @@
package time
import (
+ "fmt"
+ "gvisor.dev/gvisor/third_party/gvsync"
"reflect"
"strings"
"unsafe"
-
- "fmt"
- "gvisor.dev/gvisor/third_party/gvsync"
)
// SeqAtomicLoad returns a copy of *ptr, ensuring that the read does not race