diff options
Diffstat (limited to 'pkg/sentry/syscalls/linux/sys_thread.go')
| -rw-r--r-- | pkg/sentry/syscalls/linux/sys_thread.go | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/pkg/sentry/syscalls/linux/sys_thread.go b/pkg/sentry/syscalls/linux/sys_thread.go index 7ece7ba6f..effe16186 100644 --- a/pkg/sentry/syscalls/linux/sys_thread.go +++ b/pkg/sentry/syscalls/linux/sys_thread.go @@ -105,16 +105,14 @@ func execveat(t *kernel.Task, dirFD int32, pathnameAddr, argvAddr, envvAddr user } } - if flags&linux.AT_SYMLINK_NOFOLLOW != 0 { - // TODO(b/128449944): Handle AT_SYMLINK_NOFOLLOW. - t.Kernel().EmitUnimplementedEvent(t) - return 0, nil, syserror.ENOSYS + if flags&^(linux.AT_EMPTY_PATH|linux.AT_SYMLINK_NOFOLLOW) != 0 { + return 0, nil, syserror.EINVAL } - atEmptyPath := flags&linux.AT_EMPTY_PATH != 0 if !atEmptyPath && len(pathname) == 0 { return 0, nil, syserror.ENOENT } + resolveFinal := flags&linux.AT_SYMLINK_NOFOLLOW == 0 root := t.FSContext().RootDirectory() defer root.DecRef() @@ -150,7 +148,7 @@ func execveat(t *kernel.Task, dirFD int32, pathnameAddr, argvAddr, envvAddr user // Load the new TaskContext. maxTraversals := uint(linux.MaxSymlinkTraversals) - tc, se := t.Kernel().LoadTaskImage(t, t.MountNamespace(), root, wd, &maxTraversals, pathname, executable, argv, envv, t.Arch().FeatureSet()) + tc, se := t.Kernel().LoadTaskImage(t, t.MountNamespace(), root, wd, &maxTraversals, pathname, executable, argv, envv, resolveFinal, t.Arch().FeatureSet()) if se != nil { return 0, nil, se.ToError() } |