Skip to content

fs: fix mode validation #37432

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 4 commits into from
Closed

fs: fix mode validation #37432

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
90ed832
fs: validate mode in ReadStream and WriteStream
RaisinTen Feb 18, 2021
95479ff
add tests
RaisinTen Feb 18, 2021
49132cc
mask mode with 0xFFFFFFFF
RaisinTen Feb 18, 2021
e2760b5
Revert "fs: validate mode in ReadStream and WriteStream"
RaisinTen Feb 19, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion lib/internal/validators.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,7 @@ function parseFileMode(value, name, def) {
}

if (isUint32(value)) {
return value;
return 0xFFFFFFFF & value;
}

if (typeof value === 'number') {
Expand Down
3 changes: 3 additions & 0 deletions test/parallel/test-fs-read-stream-throw-type-error.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -75,3 +75,6 @@ const NOT_SAFE_INTEGER = 2 ** 53;
].forEach((opts) =>
createReadStreamErr(example, opts, rangeError)
);

// Case 8: Should not throw any error even if mode is a huge unsigned int32
fs.createReadStream(example, { mode: 2176057344 });
16 changes: 16 additions & 0 deletions test/parallel/test-fs-write-stream-huge-unsigned-int-mode.js
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,16 @@
'use strict';
require('../common');

// This test ensures that createWriteStream does not crash when the
// passed mode is a huge unsigned int32, as reported here:
// https://github.com/nodejs/node/issues/37430

const fs = require('fs');
const path = require('path');

const tmpdir = require('../common/tmpdir');
tmpdir.refresh();

const example = path.join(tmpdir.path, 'dummy');

fs.createWriteStream(example, { mode: 2176057344 });