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authorgVisor bot <gvisor-bot@google.com>2020-09-16 06:42:01 +0000
committergVisor bot <gvisor-bot@google.com>2020-09-16 06:42:01 +0000
commit6ca48576e8a40e169dc10e17084bbceecf8a0055 (patch)
treeae0e054905ae4f02b715dc5a2d12ce05dec870fc /pkg/sentry/syscalls/linux/vfs2/splice.go
parentcbc7d6a202b7e47457b3aa3daa55ebc5c1fbdb72 (diff)
parentd201feb8c5e425bfa8abc905f24d49b268520aec (diff)
Merge release-20200907.0-57-gd201feb8c (automated)
Diffstat (limited to 'pkg/sentry/syscalls/linux/vfs2/splice.go')
-rw-r--r--pkg/sentry/syscalls/linux/vfs2/splice.go17
1 files changed, 11 insertions, 6 deletions
diff --git a/pkg/sentry/syscalls/linux/vfs2/splice.go b/pkg/sentry/syscalls/linux/vfs2/splice.go
index 5543cfac2..f55d74cd2 100644
--- a/pkg/sentry/syscalls/linux/vfs2/splice.go
+++ b/pkg/sentry/syscalls/linux/vfs2/splice.go
@@ -19,6 +19,7 @@ import (
"gvisor.dev/gvisor/pkg/abi/linux"
"gvisor.dev/gvisor/pkg/log"
+ "gvisor.dev/gvisor/pkg/marshal/primitive"
"gvisor.dev/gvisor/pkg/sentry/arch"
"gvisor.dev/gvisor/pkg/sentry/kernel"
"gvisor.dev/gvisor/pkg/sentry/kernel/pipe"
@@ -89,7 +90,7 @@ func Splice(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscal
if inFile.Options().DenyPRead {
return 0, nil, syserror.EINVAL
}
- if _, err := t.CopyIn(inOffsetPtr, &inOffset); err != nil {
+ if _, err := primitive.CopyInt64In(t, inOffsetPtr, &inOffset); err != nil {
return 0, nil, err
}
if inOffset < 0 {
@@ -104,7 +105,7 @@ func Splice(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscal
if outFile.Options().DenyPWrite {
return 0, nil, syserror.EINVAL
}
- if _, err := t.CopyIn(outOffsetPtr, &outOffset); err != nil {
+ if _, err := primitive.CopyInt64In(t, outOffsetPtr, &outOffset); err != nil {
return 0, nil, err
}
if outOffset < 0 {
@@ -160,12 +161,12 @@ func Splice(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscal
// Copy updated offsets out.
if inOffsetPtr != 0 {
- if _, err := t.CopyOut(inOffsetPtr, &inOffset); err != nil {
+ if _, err := primitive.CopyInt64Out(t, inOffsetPtr, inOffset); err != nil {
return 0, nil, err
}
}
if outOffsetPtr != 0 {
- if _, err := t.CopyOut(outOffsetPtr, &outOffset); err != nil {
+ if _, err := primitive.CopyInt64Out(t, outOffsetPtr, outOffset); err != nil {
return 0, nil, err
}
}
@@ -303,9 +304,12 @@ func Sendfile(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysc
if inFile.Options().DenyPRead {
return 0, nil, syserror.ESPIPE
}
- if _, err := t.CopyIn(offsetAddr, &offset); err != nil {
+ var offsetP primitive.Int64
+ if _, err := offsetP.CopyIn(t, offsetAddr); err != nil {
return 0, nil, err
}
+ offset = int64(offsetP)
+
if offset < 0 {
return 0, nil, syserror.EINVAL
}
@@ -422,7 +426,8 @@ func Sendfile(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysc
if offsetAddr != 0 {
// Copy out the new offset.
- if _, err := t.CopyOut(offsetAddr, offset); err != nil {
+ offsetP := primitive.Uint64(offset)
+ if _, err := offsetP.CopyOut(t, offsetAddr); err != nil {
return 0, nil, err
}
}