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authorRidwan Sharif <ridwanmsharif@google.com>2020-08-19 20:11:59 -0400
committerAndrei Vagin <avagin@gmail.com>2020-09-16 12:19:30 -0700
commitd51ddcefdc46a1007f7345bfa2f7006bb820b157 (patch)
tree6fab64e6cc39a057d4498e5a5ed465097f58ab5c /pkg/sentry/fsimpl/fuse
parent4a5857d644ae0e62090bbbed86852dceca79395c (diff)
fuse: use safe go_marshal API for FUSE
Until #3698 is resolved, this change is needed to ensure we're not corrupting memory anywhere.
Diffstat (limited to 'pkg/sentry/fsimpl/fuse')
-rw-r--r--pkg/sentry/fsimpl/fuse/connection.go9
1 files changed, 6 insertions, 3 deletions
diff --git a/pkg/sentry/fsimpl/fuse/connection.go b/pkg/sentry/fsimpl/fuse/connection.go
index 133306158..0e70d37ec 100644
--- a/pkg/sentry/fsimpl/fuse/connection.go
+++ b/pkg/sentry/fsimpl/fuse/connection.go
@@ -271,8 +271,10 @@ func (conn *connection) NewRequest(creds *auth.Credentials, pid uint32, ino uint
}
buf := make([]byte, hdr.Len)
- hdr.MarshalUnsafe(buf[:hdrLen])
- payload.MarshalUnsafe(buf[hdrLen:])
+
+ // TODO(gVisor.dev/3698): Use the unsafe version once go_marshal is safe to use again.
+ hdr.MarshalBytes(buf[:hdrLen])
+ payload.MarshalBytes(buf[hdrLen:])
return &Request{
id: hdr.Unique,
@@ -360,7 +362,8 @@ func (r *Response) UnmarshalPayload(m marshal.Marshallable) error {
return nil
}
- m.UnmarshalUnsafe(r.data[hdrLen:])
+ // TODO(gVisor.dev/3698): Use the unsafe version once go_marshal is safe to use again.
+ m.UnmarshalBytes(r.data[hdrLen:])
return nil
}