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Description
We've been testing some of our routing mapReduces in 3.2 RC4 and have a reproducible segfault that occurs on both Windows and CentOS7. The attached script works fine in 3.0 WT but crashes consistently in 3.2 RC4 WT.
For information, this script collapses documents into daily-groups and is a relatively simple MR process.
Steps to reproduce
- Restore the data from here: https://dl.dropboxusercontent.com/u/map_reduce_anon.js6076108/routeResult_anonymised.bson.gz
- Run the attached script: (mongo <dbname> map_reduce_anon.js)
- MongoD will crash after a few seconds
The Windows build does not write the crash details into the log, but the CentOS version does:
----- BEGIN BACKTRACE -----
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{"backtrace":[{"b":"400000","o":"EE6892"},{"b":"400000","o":"EE59F9"},{"b":"400000","o":"EE5D78"},{"b":"7F89308C3000","o":"F130"},{"b":"400000","o":"14CAF94"},{"b":"400000","o":"140225E"},{"b":"400000","o":"E3F7EE"},{"b":"400000","o":"E3F950"},{"b":"400000","o":"E60299"}
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,{"b":"400000","o":"E61CD0"},{"b":"400000","o":"E62EB3"},{"b":"400000","o":"E5C22C"},{"b":"400000","o":"E4BA29"},{"b":"400000","o":"114025F"},{"b":"400000","o":"1140D0C"},{"b":"400000","o":"13ADC5B"},{"b":"0","o":"7F8931E537BE"}],"processInfo":{ "mongodbVersion" : "3.2.0
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-rc4", "gitVersion" : "3b3ef4253a6c5d5d3f18127ac2272a9696488aec", "compiledModules" : [], "uname" : { "sysname" : "Linux", "release" : "3.10.0-123.el7.x86_64", "version" : "#1 SMP Mon Jun 30 12:09:22 UTC 2014", "machine" : "x86_64" }, "somap" : [ { "elfType" : 2, "b" : "
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400000", "buildId" : "5D73AF6287E7408CABABC5501344AEE6A2C86929" }, { "b" : "7FFF50A97000", "elfType" : 3, "buildId" : "D7952DC468957C2B14B6BB79E613D48BA1224706" }, { "b" : "7F8931AEF000", "path" : "/lib64/libssl.so.10", "elfType" : 3, "buildId" : "58FEDFFED1A388AD9E495F9
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A6C91A851B9537765" }, { "b" : "7F893170A000", "path" : "/lib64/libcrypto.so.10", "elfType" : 3, "buildId" : "F214E8640FDA5097E7A90CE7974B3FF76C6C42D9" }, { "b" : "7F8931502000", "path" : "/lib64/librt.so.1", "elfType" : 3, "buildId" : "8832E3070AB0758762836EEC8FCDDEDEF82
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35340" }, { "b" : "7F89312FE000", "path" : "/lib64/libdl.so.2", "elfType" : 3, "buildId" : "B7C4BC0854BF5DE16B535353B38235CA42349C1E" }, { "b" : "7F8930FF7000", "path" : "/lib64/libstdc++.so.6", "elfType" : 3, "buildId" : "63C62D6263FF98E6DD6896CB3E716E499744A4C9" }, { "
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b" : "7F8930CF5000", "path" : "/lib64/libm.so.6", "elfType" : 3, "buildId" : "D70EAB176DDA46DE292FEB8208A0E8A6718BAF3B" }, { "b" : "7F8930ADF000", "path" : "/lib64/libgcc_s.so.1", "elfType" : 3, "buildId" : "07120A9AC1BF3BCDD4A3EA1E0C47234A4A5C84F9" }, { "b" : "7F89308C3
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000", "path" : "/lib64/libpthread.so.0", "elfType" : 3, "buildId" : "18562EE0363BC9BD7101610BD86469AA426D0C44" }, { "b" : "7F8930502000", "path" : "/lib64/libc.so.6", "elfType" : 3, "buildId" : "78186287BBA77069A056A5CCBEB14B7FD2CA3A4B" }, { "b" : "7F8931D5B000", "path"
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: "/lib64/ld-linux-x86-64.so.2", "elfType" : 3, "buildId" : "4EADCA6CB82E0A85EDB87C15B5E3980742514501" }, { "b" : "7F89302B8000", "path" : "/lib64/libgssapi_krb5.so.2", "elfType" : 3, "buildId" : "641A441AB91715A7E3AF8AD9AF38EE07F17866FE" }, { "b" : "7F892FFD8000", "path
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" : "/lib64/libkrb5.so.3", "elfType" : 3, "buildId" : "08E8BA638E79EC07F98198ED40F90FA87D5EEEB5" }, { "b" : "7F892FDD4000", "path" : "/lib64/libcom_err.so.2", "elfType" : 3, "buildId" : "D2678F5F391BF2877E1BD6FAD16DBC589ED0BBF3" }, { "b" : "7F892FB9F000", "path" : "/lib6
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4/libk5crypto.so.3", "elfType" : 3, "buildId" : "8269E77C68B707158D2B1BEA356EE0FC2A1C0024" }, { "b" : "7F892F989000", "path" : "/lib64/libz.so.1", "elfType" : 3, "buildId" : "E45643F27F3B3E960F3691AFC6EC27A98EF7B46B" }, { "b" : "7F892F77B000", "path" : "/lib64/libkrb5sup
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port.so.0", "elfType" : 3, "buildId" : "577A21CDAA3D662B87D53AFAA12A1E7B34AD513F" }, { "b" : "7F892F577000", "path" : "/lib64/libkeyutils.so.1", "elfType" : 3, "buildId" : "2E01D5AC08C1280D013AAB96B292AC58BC30A263" }, { "b" : "7F892F35D000", "path" : "/lib64/libresolv.so
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.2", "elfType" : 3, "buildId" : "519F19CF966514EAC9B25BE6FE953750E466D3C1" }, { "b" : "7F892F138000", "path" : "/lib64/libselinux.so.1", "elfType" : 3, "buildId" : "82FF6B18E1E42825CC2D060F969479AD4AF2F62C" }, { "b" : "7F892EED7000", "path" : "/lib64/libpcre.so.1", "elfT
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ype" : 3, "buildId" : "B19961A753FDFF85BD071340139A7F024BAEFFCA" }, { "b" : "7F892ECB2000", "path" : "/lib64/liblzma.so.5", "elfType" : 3, "buildId" : "218D03D1F6CF1A099A4D467B5E8ECF4F2BF45750" } ] }}
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mongod(_ZN5mongo15printStackTraceERSo+0x32) [0x12e6892]
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mongod(+0xEE59F9) [0x12e59f9]
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mongod(+0xEE5D78) [0x12e5d78]
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libpthread.so.0(+0xF130) [0x7f89308d2130]
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mongod(_ZN2js15UncheckedUnwrapEP8JSObjectbPj+0x34) [0x18caf94]
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mongod(_Z21js_ErrorFromExceptionP9JSContextN2JS6HandleIP8JSObjectEE+0x1E) [0x180225e]
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mongod(_ZN5mongo5mozjs26currentJSExceptionToStatusEP9JSContextNS_10ErrorCodes5ErrorENS_10StringDataE+0xEE) [0x123f7ee]
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mongod(_ZN5mongo5mozjs23throwCurrentJSExceptionEP9JSContextNS_10ErrorCodes5ErrorENS_10StringDataE+0x20) [0x123f950]
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mongod(_ZN5mongo5mozjs13ObjectWrapper3Key3getEP9JSContextN2JS6HandleIP8JSObjectEENS5_13MutableHandleINS5_5ValueEEE+0xD9) [0x1260299]
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mongod(_ZN5mongo5mozjs13ObjectWrapper11_writeFieldEPNS_14BSONObjBuilderENS1_3KeyEPNS0_13LifetimeStackINS1_24WriteFieldRecursionFrameELm150EEEPNS_7BSONObjE+0xA0) [0x1261cd0]
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mongod(_ZN5mongo5mozjs13ObjectWrapper6toBSONEv+0x933) [0x1262eb3]
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mongod(_ZN5mongo5mozjs18NativeFunctionInfo4callEP9JSContextN2JS8CallArgsE+0xBC) [0x125c22c]
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mongod(_ZN5mongo5mozjs7smUtils4callINS0_18NativeFunctionInfoEEEbP9JSContextjPN2JS5ValueE+0x19) [0x124ba29]
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mongod(_ZN2js6InvokeEP9JSContextN2JS8CallArgsENS_14MaybeConstructE+0x34F) [0x154025f]
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mongod(_ZN2js6InvokeEP9JSContextRKN2JS5ValueES5_jPS4_NS2_13MutableHandleIS3_EE+0x20C) [0x1540d0c]
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mongod(_ZN2js3jit14InvokeFunctionEP9JSContextN2JS6HandleIP8JSObjectEEjPNS3_5ValueES9_+0xBB) [0x17adc5b]
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??? [0x7f8931e537be]
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----- END BACKTRACE -----
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