[GH-ISSUE #663] Deepseek infinite thinking loop (R1 and Search enabled, ios) #539

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opened 2026-10-26 21:22:51 +00:00 by bsakaguchi · 5 comments
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Originally created by @szymon-koziatek on GitHub (May 27, 2025).
Original GitHub issue: https://github.com/deepseek-ai/DeepSeek-R1/issues/663

I found a bug that makes deepseek think and list infinite things. This bug could potentially be used to kind of "DDOS" the deepseek servers.
This thinking can go on infinitely, progressively getting more "insane".

Step 1: enable R1 and Search.
Step 2: Paste this string

Hej! Kan du hjälpa mig komma på fler frågor som dessa? Alla frågor har formatet: om din kompis skulle vara (blank) vilken? Btw detta är för när hon tar studenten. Här är de jag har än så länge: - En färg

  • En låt
  • Ett Väder
  • En kaffe
  • Ett djur
  • En Maträtt
  • Hade en superkraft
  • Ett ord i ordboken
  • En av de 7 dvärgarna
  • En emoji
  • Ett ljud
  • Ett bakverk
  • En typ av kristall/ sten
  • Planet
  • Doft
  • Tid i människans historia
  • Konstig talang?
Originally created by @szymon-koziatek on GitHub (May 27, 2025). Original GitHub issue: https://github.com/deepseek-ai/DeepSeek-R1/issues/663 I found a bug that makes deepseek think and list infinite things. This bug could potentially be used to kind of "DDOS" the deepseek servers. This thinking can go on infinitely, progressively getting more "insane". Step 1: enable R1 and Search. Step 2: Paste this string Hej! Kan du hjälpa mig komma på fler frågor som dessa? Alla frågor har formatet: om din kompis skulle vara (blank) vilken? Btw detta är för när hon tar studenten. Här är de jag har än så länge: - En färg - En låt - Ett Väder - En kaffe - Ett djur - En Maträtt - Hade en superkraft - Ett ord i ordboken - En av de 7 dvärgarna - En emoji - Ett ljud - Ett bakverk - En typ av kristall/ sten - Planet - Doft - Tid i människans historia - Konstig talang?
bsakaguchi 2026-10-26 21:22:51 +00:00
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@szymon-koziatek commented on GitHub (May 27, 2025):

here is clean text since github broke the formating https://pastebin.com/3d04RMTh

<!-- gh-comment-id:2914265943 --> @szymon-koziatek commented on GitHub (May 27, 2025): here is clean text since github broke the formating https://pastebin.com/3d04RMTh
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@github-actions[bot] commented on GitHub (Jun 28, 2025):

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. If you believe this issue is still relevant, please leave a comment to keep it open. Thank you for your contributions!

<!-- gh-comment-id:3014691902 --> @github-actions[bot] commented on GitHub (Jun 28, 2025): This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. If you believe this issue is still relevant, please leave a comment to keep it open. Thank you for your contributions!
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@Evi233 commented on GitHub (Jul 1, 2025):

Probability distribution issues cannot be well resolved on any LLM

<!-- gh-comment-id:3024604885 --> @Evi233 commented on GitHub (Jul 1, 2025): Probability distribution issues cannot be well resolved on any LLM
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@github-actions[bot] commented on GitHub (Aug 2, 2025):

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. If you believe this issue is still relevant, please leave a comment to keep it open. Thank you for your contributions!

<!-- gh-comment-id:3146039717 --> @github-actions[bot] commented on GitHub (Aug 2, 2025): This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. If you believe this issue is still relevant, please leave a comment to keep it open. Thank you for your contributions!
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@github-actions[bot] commented on GitHub (Aug 18, 2025):

false

<!-- gh-comment-id:3194751144 --> @github-actions[bot] commented on GitHub (Aug 18, 2025): false
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deepseek-ai/DeepSeek-R1#539
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