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fs: fix realpath inode link caching #33945

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fs: fix realpath inode link caching #33945

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01ff9c2
fs: fix realpath inode link caching
lundibundi Jun 18, 2020
c0b8202
fixup! fs: fix realpath inode link caching
lundibundi Jun 18, 2020
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10 changes: 7 additions & 3 deletions lib/fs.js
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@ const kIoMaxLength = 2 ** 31 - 1;
const {
Map,
MathMax,
Number,
NumberIsSafeInteger,
ObjectCreate,
ObjectDefineProperties,
Expand Down Expand Up @@ -182,7 +183,10 @@ const isFd = isUint32;
function isFileType(stats, fileType) {
// Use stats array directly to avoid creating an fs.Stats instance just for
// our internal use.
return (stats[1/* mode */] & S_IFMT) === fileType;
let mode = stats[1];
if (typeof mode === 'bigint')
mode = Number(mode);
return (mode & S_IFMT) === fileType;
}

function access(path, mode, callback) {
Expand Down Expand Up @@ -1650,7 +1654,7 @@ function realpathSync(p, options) {

const baseLong = pathModule.toNamespacedPath(base);
const ctx = { path: base };
const stats = binding.lstat(baseLong, false, undefined, ctx);
const stats = binding.lstat(baseLong, true, undefined, ctx);
handleErrorFromBinding(ctx);

if (!isFileType(stats, S_IFLNK)) {
Expand Down Expand Up @@ -1783,7 +1787,7 @@ function realpath(p, options, callback) {
return process.nextTick(LOOP);
}

return fs.lstat(base, gotStat);
return fs.lstat(base, { bigint: true }, gotStat);
}

function gotStat(err, stats) {
Expand Down