diff options
Diffstat (limited to 'pkg/sentry/syscalls/linux/sys_prctl.go')
| -rw-r--r-- | pkg/sentry/syscalls/linux/sys_prctl.go | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/pkg/sentry/syscalls/linux/sys_prctl.go b/pkg/sentry/syscalls/linux/sys_prctl.go index 5329023e6..98db32d77 100644 --- a/pkg/sentry/syscalls/linux/sys_prctl.go +++ b/pkg/sentry/syscalls/linux/sys_prctl.go @@ -16,7 +16,6 @@ package linux import ( "fmt" - "syscall" "gvisor.dev/gvisor/pkg/abi/linux" "gvisor.dev/gvisor/pkg/sentry/arch" @@ -24,6 +23,7 @@ import ( "gvisor.dev/gvisor/pkg/sentry/kernel" "gvisor.dev/gvisor/pkg/sentry/kernel/auth" "gvisor.dev/gvisor/pkg/sentry/mm" + "gvisor.dev/gvisor/pkg/syserror" ) // Prctl implements linux syscall prctl(2). @@ -36,7 +36,7 @@ func Prctl(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscall case linux.PR_SET_PDEATHSIG: sig := linux.Signal(args[1].Int()) if sig != 0 && !sig.IsValid() { - return 0, nil, syscall.EINVAL + return 0, nil, syserror.EINVAL } t.SetParentDeathSignal(sig) return 0, nil, nil @@ -67,7 +67,7 @@ func Prctl(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscall d = mm.UserDumpable default: // N.B. Userspace may not pass SUID_DUMP_ROOT. - return 0, nil, syscall.EINVAL + return 0, nil, syserror.EINVAL } t.MemoryManager().SetDumpability(d) return 0, nil, nil @@ -88,7 +88,7 @@ func Prctl(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscall } else if val == 1 { t.SetKeepCaps(true) } else { - return 0, nil, syscall.EINVAL + return 0, nil, syserror.EINVAL } return 0, nil, nil @@ -96,7 +96,7 @@ func Prctl(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscall case linux.PR_SET_NAME: addr := args[1].Pointer() name, err := t.CopyInString(addr, linux.TASK_COMM_LEN-1) - if err != nil && err != syscall.ENAMETOOLONG { + if err != nil && err != syserror.ENAMETOOLONG { return 0, nil, err } t.SetName(name) @@ -116,7 +116,7 @@ func Prctl(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscall case linux.PR_SET_MM: if !t.HasCapability(linux.CAP_SYS_RESOURCE) { - return 0, nil, syscall.EPERM + return 0, nil, syserror.EPERM } switch args[1].Int() { @@ -125,13 +125,13 @@ func Prctl(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscall file := t.GetFile(fd) if file == nil { - return 0, nil, syscall.EBADF + return 0, nil, syserror.EBADF } defer file.DecRef() // They trying to set exe to a non-file? if !fs.IsFile(file.Dirent.Inode.StableAttr) { - return 0, nil, syscall.EBADF + return 0, nil, syserror.EBADF } // Set the underlying executable. @@ -153,12 +153,12 @@ func Prctl(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscall t.Kernel().EmitUnimplementedEvent(t) fallthrough default: - return 0, nil, syscall.EINVAL + return 0, nil, syserror.EINVAL } case linux.PR_SET_NO_NEW_PRIVS: if args[1].Int() != 1 || args[2].Int() != 0 || args[3].Int() != 0 || args[4].Int() != 0 { - return 0, nil, syscall.EINVAL + return 0, nil, syserror.EINVAL } // no_new_privs is assumed to always be set. See // kernel.Task.updateCredsForExec. @@ -166,14 +166,14 @@ func Prctl(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscall case linux.PR_GET_NO_NEW_PRIVS: if args[1].Int() != 0 || args[2].Int() != 0 || args[3].Int() != 0 || args[4].Int() != 0 { - return 0, nil, syscall.EINVAL + return 0, nil, syserror.EINVAL } return 1, nil, nil case linux.PR_SET_SECCOMP: if args[1].Int() != linux.SECCOMP_MODE_FILTER { // Unsupported mode. - return 0, nil, syscall.EINVAL + return 0, nil, syserror.EINVAL } return 0, nil, seccomp(t, linux.SECCOMP_SET_MODE_FILTER, 0, args[2].Pointer()) @@ -184,7 +184,7 @@ func Prctl(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscall case linux.PR_CAPBSET_READ: cp := linux.Capability(args[1].Uint64()) if !cp.Ok() { - return 0, nil, syscall.EINVAL + return 0, nil, syserror.EINVAL } var rv uintptr if auth.CapabilitySetOf(cp)&t.Credentials().BoundingCaps != 0 { @@ -195,7 +195,7 @@ func Prctl(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscall case linux.PR_CAPBSET_DROP: cp := linux.Capability(args[1].Uint64()) if !cp.Ok() { - return 0, nil, syscall.EINVAL + return 0, nil, syserror.EINVAL } return 0, nil, t.DropBoundingCapability(cp) @@ -220,7 +220,7 @@ func Prctl(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscall t.Kernel().EmitUnimplementedEvent(t) fallthrough default: - return 0, nil, syscall.EINVAL + return 0, nil, syserror.EINVAL } return 0, nil, nil |