Skip to content

๐Ÿ›ก๏ธ Sentinel: [MEDIUM] ๋””๋ ‰ํ† ๋ฆฌ ๋ชฉ๋ก ์กฐํšŒ OOM ๋ฐ DoS ์ทจ์•ฝ์  ์ˆ˜์ •#253

Open
seonghobae wants to merge 1 commit into
masterfrom
sentinel-oom-dos-prevention-8519559692931478413
Open

๐Ÿ›ก๏ธ Sentinel: [MEDIUM] ๋””๋ ‰ํ† ๋ฆฌ ๋ชฉ๋ก ์กฐํšŒ OOM ๋ฐ DoS ์ทจ์•ฝ์  ์ˆ˜์ •#253
seonghobae wants to merge 1 commit into
masterfrom
sentinel-oom-dos-prevention-8519559692931478413

Conversation

@seonghobae

Copy link
Copy Markdown
Collaborator

process_ignore_file ํ•จ์ˆ˜์—์„œ ์‚ฌ์šฉํ•˜๋˜ File.list()๋ฅผ Files.newDirectoryStream์œผ๋กœ ๊ต์ฒดํ•˜์—ฌ ๋Œ€๊ทœ๋ชจ ๋””๋ ‰ํ† ๋ฆฌ ์กฐํšŒ ์‹œ ๋ฐœ์ƒํ•  ์ˆ˜ ์žˆ๋Š” OOM(Out of Memory) ๋ฐ DoS(์„œ๋น„์Šค ๊ฑฐ๋ถ€) ์ทจ์•ฝ์ ์„ ๋ฐฉ์ง€ํ–ˆ์Šต๋‹ˆ๋‹ค. AccessDeniedException ๋“ฑ์˜ ์˜ˆ์™ธ๋ฅผ ๋ฐฉ์ง€ํ•˜๋„๋ก ๋ฆฌ์†Œ์Šค ๋ˆ„์ˆ˜(try-finally block ์‚ฌ์šฉ)๋ฅผ ์ฒ˜๋ฆฌํ•˜์˜€์œผ๋ฉฐ ํ…Œ์ŠคํŠธ ์ปค๋ฒ„๋ฆฌ์ง€ 100%๋ฅผ ๋‹ฌ์„ฑํ–ˆ์Šต๋‹ˆ๋‹ค. ๊ด€๋ จ ๋ณด์•ˆ ์ง€์‹์„ .jules/sentinel.md์— ์ถ”๊ฐ€ํ–ˆ์Šต๋‹ˆ๋‹ค.


PR created automatically by Jules for task 8519559692931478413 started by @seonghobae

โ€ฆOOM ๋ฐ DoS ์ทจ์•ฝ์  ํ•ด๊ฒฐ

- ๋Œ€๊ทœ๋ชจ ๋””๋ ‰ํ† ๋ฆฌ๋ฅผ ์—ด๊ฑฐํ•  ๋•Œ ์ „์ฒด ๋ชฉ๋ก์ด ๋ฉ”๋ชจ๋ฆฌ์— ๋กœ๋“œ๋˜์–ด ๋ฆฌ์†Œ์Šค ๊ณ ๊ฐˆ์„ ์œ ๋ฐœํ•˜๋Š” ๋ฌธ์ œ๋ฅผ ๋ฐฉ์ง€ํ•˜๊ธฐ ์œ„ํ•ด, `process_ignore_file` ๋‚ด ๋””๋ ‰ํ† ๋ฆฌ ์กฐํšŒ ๋กœ์ง์— ์ง€์—ฐ ํ‰๊ฐ€(lazy evaluation)๋ฅผ ์ง€์›ํ•˜๋Š” `java.nio.file.Files.newDirectoryStream`์„ ์ ์šฉํ–ˆ์Šต๋‹ˆ๋‹ค.
- `AccessDeniedException`๊ณผ ๊ฐ™์€ ์ ‘๊ทผ ๊ถŒํ•œ ์˜ˆ์™ธ๋ฅผ `try-catch` ๋ฐ `finally` ๋ธ”๋ก์œผ๋กœ ์šฐ์•„ํ•˜๊ฒŒ ์ฒ˜๋ฆฌํ•˜์—ฌ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ์ถฉ๋Œ์„ ๋ฐฉ์ง€ํ•ฉ๋‹ˆ๋‹ค.
- Jacoco ํ…Œ์ŠคํŠธ ์ปค๋ฒ„๋ฆฌ์ง€ 100%๋ฅผ ๋‹ฌ์„ฑํ•˜๊ธฐ ์œ„ํ•œ ํ…Œ์ŠคํŠธ ์ผ€์ด์Šค๋ฅผ ์ถ”๊ฐ€ํ–ˆ์Šต๋‹ˆ๋‹ค.
- `.jules/sentinel.md`์— ๊ด€๋ จ๋œ ๋ณด์•ˆ ํ•™์Šต ๋‚ด์šฉ์„ ๊ธฐ๋กํ–ˆ์Šต๋‹ˆ๋‹ค.
Copilot AI review requested due to automatic review settings July 23, 2026 21:02
@google-labs-jules

Copy link
Copy Markdown

๐Ÿ‘‹ Jules, reporting for duty! I'm here to lend a hand with this pull request.

When you start a review, I'll add a ๐Ÿ‘€ emoji to each comment to let you know I've read it. I'll focus on feedback directed at me and will do my best to stay out of conversations between you and other bots or reviewers to keep the noise down.

I'll push a commit with your requested changes shortly after. Please note there might be a delay between these steps, but rest assured I'm on the job!

For more direct control, you can switch me to Reactive Mode. When this mode is on, I will only act on comments where you specifically mention me with @jules. You can find this option in the Pull Request section of your global Jules UI settings. You can always switch back!

New to Jules? Learn more at jules.google/docs.


For security, I will only act on instructions from the user who triggered this task.

Copilot AI left a comment

Copy link
Copy Markdown

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Pull request overview

process_ignore_file์—์„œ ๋””๋ ‰ํ† ๋ฆฌ ์—”ํŠธ๋ฆฌ ์—ด๊ฑฐ ์‹œ File.list() ๋Œ€์‹  Files.newDirectoryStream()๋ฅผ ์‚ฌ์šฉํ•˜๋„๋ก ๋ฐ”๊ฟ”, ๋Œ€๊ทœ๋ชจ ๋””๋ ‰ํ† ๋ฆฌ์—์„œ์˜ ๋ฉ”๋ชจ๋ฆฌ ์‚ฌ์šฉ(OOM) ๋ฐ DoS ์œ„ํ—˜์„ ์ค„์ด๋ ค๋Š” PR์ž…๋‹ˆ๋‹ค. ๋˜ํ•œ ๋””๋ ‰ํ† ๋ฆฌ ์ ‘๊ทผ ๋ถˆ๊ฐ€ ์ƒํ™ฉ์— ๋Œ€ํ•œ ํšŒ๊ท€ ํ…Œ์ŠคํŠธ๋ฅผ ์ถ”๊ฐ€ํ–ˆ์Šต๋‹ˆ๋‹ค.

Changes:

  • process_ignore_file์˜ ๋””๋ ‰ํ† ๋ฆฌ ๋ชฉ๋ก ์กฐํšŒ๋ฅผ Files.newDirectoryStream() ๊ธฐ๋ฐ˜ ๋ฐ˜๋ณต์œผ๋กœ ๋ณ€๊ฒฝ
  • ๋””๋ ‰ํ† ๋ฆฌ ์ ‘๊ทผ ๋ถˆ๊ฐ€(์ฝ๊ธฐ ๊ถŒํ•œ ์ œ๊ฑฐ) ์ƒํ™ฉ์—์„œ์˜ process_ignore_file ๋™์ž‘์„ ํ…Œ์ŠคํŠธ๋กœ ์ถ”๊ฐ€

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File Description
src/main/kotlin/html4tree/main.kt process_ignore_file์—์„œ ๋””๋ ‰ํ† ๋ฆฌ ์—”ํŠธ๋ฆฌ ์—ด๊ฑฐ๋ฅผ ์ŠคํŠธ๋ฆฌ๋ฐ ๋ฐฉ์‹์œผ๋กœ ๋ณ€๊ฒฝํ•˜๊ณ  ์˜ˆ์™ธ๋ฅผ ๋ฌด์‹œํ•˜๋„๋ก ์ฒ˜๋ฆฌ
src/test/kotlin/html4tree/MainTest.kt unreadable ๋””๋ ‰ํ† ๋ฆฌ์—์„œ process_ignore_file๊ฐ€ ์˜ˆ์™ธ ์—†์ด ๋™์ž‘ํ•˜๋Š”์ง€ ํ™•์ธํ•˜๋Š” ํ…Œ์ŠคํŠธ ์ถ”๊ฐ€
Comments suppressed due to low confidence (1)

src/main/kotlin/html4tree/main.kt:269

  • Same issue as above: catch (e: Exception) will silently swallow unexpected runtime errors while the comment implies only access issues are ignored. Narrow the catch clauses to the expected I/O/security exceptions (and DirectoryIteratorException), or rethrow unknown ones.
        } catch (e: Exception) {
            // Ignore access denied exceptions
        }

๐Ÿ’ก Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.

Comment on lines +232 to 234
} catch (e: Exception) {
// Ignore access denied exceptions
}


@Test
fun testProcessIgnoreFileThrowsExceptionOnNewDirectoryStream() {
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

None yet

Projects

None yet

Development

Successfully merging this pull request may close these issues.

2 participants