diff options
author | gVisor bot <gvisor-bot@google.com> | 2020-09-16 06:42:01 +0000 |
---|---|---|
committer | gVisor bot <gvisor-bot@google.com> | 2020-09-16 06:42:01 +0000 |
commit | 6ca48576e8a40e169dc10e17084bbceecf8a0055 (patch) | |
tree | ae0e054905ae4f02b715dc5a2d12ce05dec870fc /pkg/sentry/syscalls/linux/vfs2/splice.go | |
parent | cbc7d6a202b7e47457b3aa3daa55ebc5c1fbdb72 (diff) | |
parent | d201feb8c5e425bfa8abc905f24d49b268520aec (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.go | 17 |
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 } } |