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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /js/src/tests/non262/extensions/clone-sab.js | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/non262/extensions/clone-sab.js')
-rw-r--r-- | js/src/tests/non262/extensions/clone-sab.js | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/non262/extensions/clone-sab.js b/js/src/tests/non262/extensions/clone-sab.js new file mode 100644 index 0000000000..3b35f90abc --- /dev/null +++ b/js/src/tests/non262/extensions/clone-sab.js @@ -0,0 +1,31 @@ +// |reftest| skip-if(!xulRuntime.shell) +/* -*- Mode: js2; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* + * Any copyright is dedicated to the Public Domain. + * https://creativecommons.org/publicdomain/zero/1.0/ + */ + +// Deserialize a serialization buffer containing a reference to a +// SharedArrayBuffer buffer object enough times and we will crash because of a +// reference counting bug. + +if (!this.SharedArrayBuffer) { + reportCompare(true,true); + quit(0); +} + +let x = new SharedArrayBuffer(1); +let y = serialize(x, [], {SharedArrayBuffer: 'allow'}); +x = null; + +// If the bug is present this loop usually crashes quickly during +// deserialization because the memory has become unmapped. + +for (let i=0 ; i < 50 ; i++ ) { + let obj = deserialize(y, {SharedArrayBuffer: 'allow'}); + let z = new Int8Array(obj); + z[0] = 0; +} + +reportCompare(true, true); + |