Details
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Bug
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Resolution: Fixed
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Critical
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master
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None
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Untriaged
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Yes
Description
As seen during KV-Engine post-commit master job (with AddressSanitizer enabled):
==23175==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x0000006f0d4e bp 0x10c000a9eb58 sp 0x10c000a9eb00 T5)
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==23175==The signal is caused by a READ memory access.
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==23175==Hint: address points to the zero page.
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#0 0x6f0d4d in github.com/couchbase/gomemcached/client.(*UprFeed).initStreamType (/home/couchbase/jenkins/workspace/kv_engine-master-post-commit/install/bin/goxdcr+0x6f0d4d)
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AddressSanitizer can not provide additional info.
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SUMMARY: AddressSanitizer: SEGV (/home/couchbase/jenkins/workspace/kv_engine-master-post-commit/install/bin/goxdcr+0x6f0d4d) in github.com/couchbase/gomemcached/client.(*UprFeed).initStreamType
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Thread T5 created by T4 here:
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#0 0x7fc017cbaa00 in __interceptor_pthread_create (/home/couchbase/jenkins/workspace/kv_engine-master-post-commit/install/bin/../lib/libasan.so.4+0x36a00)
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#1 0x96d42f in _cgo_try_pthread_create (/home/couchbase/jenkins/workspace/kv_engine-master-post-commit/install/bin/goxdcr+0x96d42f)
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#2 0x7fffff in html/template.escapeTemplate (/home/couchbase/jenkins/workspace/kv_engine-master-post-commit/install/bin/goxdcr+0x7fffff)
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Thread T4 created by T2 here:
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#0 0x7fc017cbaa00 in __interceptor_pthread_create (/home/couchbase/jenkins/workspace/kv_engine-master-post-commit/install/bin/../lib/libasan.so.4+0x36a00)
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#1 0x96d42f in _cgo_try_pthread_create (/home/couchbase/jenkins/workspace/kv_engine-master-post-commit/install/bin/goxdcr+0x96d42f)
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#2 0x7fffff in html/template.escapeTemplate (/home/couchbase/jenkins/workspace/kv_engine-master-post-commit/install/bin/goxdcr+0x7fffff)
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Thread T2 created by T0 here:
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#0 0x7fc017cbaa00 in __interceptor_pthread_create (/home/couchbase/jenkins/workspace/kv_engine-master-post-commit/install/bin/../lib/libasan.so.4+0x36a00)
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#1 0x96d42f in _cgo_try_pthread_create (/home/couchbase/jenkins/workspace/kv_engine-master-post-commit/install/bin/goxdcr+0x96d42f)
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#2 0x7fffff in html/template.escapeTemplate (/home/couchbase/jenkins/workspace/kv_engine-master-post-commit/install/bin/goxdcr+0x7fffff)
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==23175==ABORTING
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Full changelog since last good build: http://cv.jenkins.couchbase.com/job/kv_engine-master-post-commit/2344/changes
Appears to be related to this patch: http://review.couchbase.org/#/c/115620/ (MB-36061).