diff options
Diffstat (limited to 'pkg/sentry/loader')
| -rw-r--r-- | pkg/sentry/loader/loader.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/pkg/sentry/loader/loader.go b/pkg/sentry/loader/loader.go index 818941762..f75ebe08a 100644 --- a/pkg/sentry/loader/loader.go +++ b/pkg/sentry/loader/loader.go @@ -66,6 +66,12 @@ type LoadArgs struct { // nil, then File will be loaded and Filename will be ignored. File *fs.File + // CloseOnExec indicates that the executable (or one of its parent + // directories) was opened with O_CLOEXEC. If the executable is an + // interpreter script, then cause an ENOENT error to occur, since the + // script would otherwise be inaccessible to the interpreter. + CloseOnExec bool + // Argv is the vector of arguments to pass to the executable. Argv []string @@ -279,6 +285,9 @@ func loadExecutable(ctx context.Context, args LoadArgs) (loadedELF, arch.Context d.IncRef() return loaded, ac, d, args.Argv, err case bytes.Equal(hdr[:2], []byte(interpreterScriptMagic)): + if args.CloseOnExec { + return loadedELF{}, nil, nil, nil, syserror.ENOENT + } args.Filename, args.Argv, err = parseInterpreterScript(ctx, args.Filename, args.File, args.Argv) if err != nil { ctx.Infof("Error loading interpreter script: %v", err) |