util: fix OOM in inspect color stack formatting#64022
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failed the Signed-off-by stuff. could you rerun ci? @mcollina |
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| // Namespaced modules have an extra slash: @namespace/package | ||
| moduleEnd = StringPrototypeIndexOf(line, separator, moduleEnd + 1); | ||
| } | ||
| if (moduleEnd === -1) { |
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Tiny nit: we could make it a nested if statement to have one less comparison
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Thanks! Anything else from my side? |
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Due to some regressions, you'd need to rebase |
Signed-off-by: Ijtihed Kilani <ijtihedk@gmail.com>
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Fixes the heap out-of-memory crash in
util.inspect(err, { colors: true })reported in #64011. Whenerr.stackcontained a frame whosenode_modulespath segment was the final path component with no trailing separator (for exampleat /app/node_modules/foo.js:1:1),markNodeModulesentered an infinite loop so theStringPrototypeIndexOfsearch for the next separator returned-1moduleEndandsearchFromwere set to-1and the nextStringPrototypeIndexOf(line, 'node_modules', -1)restarted the scan from index0which rematched the same segment and growingtempLinewithout bound until the heap was exhausted.The fix clamps
moduleEndtoline.lengthwhen no trailing separator is found sosearchFromadvances past the match and the loop terminates. It also guards the namespaced (@scope) branch against running on a-1indexd which closed a second path into the same loop.Adds a regression test in
test/parallel/test-util-inspect.jswhich asserrts that inspecting an error with such a stack frame returns the expected colorized output instead of hangingFixes #64011