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Re: [tor-bugs] #29607 [Core Tor/Tor]: Denial of service on v2 and v3 onion service
#29607: Denial of service on v2 and v3 onion service
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Reporter: pidgin | Owner: pidgin
Type: defect | Status: accepted
Priority: Immediate | Milestone:
Component: Core Tor/Tor | Version:
Severity: Normal | Resolution:
Keywords: | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
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Comment (by pidgin):
the v3 onion tor process was at 100% cpu at another machine
last notice log messages:
scrubbed:39:57.000 [notice] Extremely large value for circuit build
timeout: 128s. Assuming clock jump. Purpose 14 (Measuring circuit timeout)
scrubbed:39:57.000 [notice] Extremely large value for circuit build
timeout: 128s. Assuming clock jump. Purpose 14 (Measuring circuit timeout)
scrubbed:39:57.000 [notice] Extremely large value for circuit build
timeout: 128s. Assuming clock jump. Purpose 14 (Measuring circuit timeout)
scrubbed:39:57.000 [notice] Extremely large value for circuit build
timeout: 128s. Assuming clock jump. Purpose 14 (Measuring circuit timeout)
scrubbed:39:57.000 [notice] Extremely large value for circuit build
timeout: 128s. Assuming clock jump. Purpose 14 (Measuring circuit timeout)
scrubbed:39:57.000 [notice] Extremely large value for circuit build
timeout: 128s. Assuming clock jump. Purpose 14 (Measuring circuit timeout)
scrubbed:57:39.000 [warn] Unknown introduction point auth key on circuit
4162469458 for service [scrubbed]
scrubbed:57:39.000 [warn] circuit_mark_for_close_(): Bug: Duplicate call
to circuit_mark_for_close at src/feature/hs/hs_service.c:3227 (first at
src/feature/hs/hs_service.c:2446) (on Tor 0.4.0.1-alpha 81f1b89efc94723f)
with the logmessage "57:39.000 [warn] circuit_mark_for_close_():"
the cpu is now at 0% and the service is not accessible
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29607#comment:32>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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