Major - P3 Running collMod with an invalid parameter seems to trigger an fassert on collection.drop() on standalone mongod with mmapv1
Also triggers on 3.0.7 if the second parameter is valid.
2015-11-18T21:28:23.675-0500 I COMMAND [conn1] CMD: drop test.test 2015-11-18T21:28:23.675-0500 I - [conn1] Fatal Assertion 17442 2015-11-18T21:28:23.675-0500 I - [conn1] ***aborting after fassert() failure 2015-11-18T21:28:23.693-0500 F - [conn1] Got signal: 6 (Abort trap: 6). libsystem_c.dylib(abort+0x81) [0x7fff8dd6237b] mongod(_ZN5mongo13fassertFailedEi+0xEA) [0x103a30b5a] mongod(_ZN5mongo7fassertEib+0x2D) [0x1026b6d6d] mongod(_ZNK5mongo17RecordStoreV1Base21getPrevRecordInExtentEPNS_16OperationContextERKNS_7DiskLocE+0x92) [0x103507a22] mongod(_ZN5mongo17RecordStoreV1Base12deleteRecordEPNS_16OperationContextERKNS_8RecordIdE+0xB4) [0x1035096a4] mongod(_ZN5mongo26MMAPV1DatabaseCatalogEntry39_removeNamespaceFromNamespaceCollectionEPNS_16OperationContextENS_10StringDataE+0x40A) [0x1034e5a2a] mongod(_ZN5mongo26MMAPV1DatabaseCatalogEntry14dropCollectionEPNS_16OperationContextENS_10StringDataE+0x27C) [0x1034e548c] mongod(_ZN5mongo8Database14dropCollectionEPNS_16OperationContextENS_10StringDataE+0xC51) [0x10285ef01] mongod(_ZN5mongo14dropCollectionEPNS_16OperationContextERKNS_15NamespaceStringERNS_14BSONObjBuilderE+0x6B0) [0x10286d210] mongod(_ZN5mongo7CmdDrop3runEPNS_16OperationContextERKNSt3__112basic_stringIcNS3_11char_traitsIcEENS3_9allocatorIcEEEERNS_7BSONObjEiRS9_RNS_14BSONObjBuilderE+0x28B) [0x102a1d67b] mongod(_ZN5mongo7Command3runEPNS_16OperationContextERKNS_3rpc16RequestInterfaceEPNS3_21ReplyBuilderInterfaceE+0xC57) [0x102a18a97] mongod(_ZN5mongo7Command11execCommandEPNS_16OperationContextEPS0_RKNS_3rpc16RequestInterfaceEPNS4_21ReplyBuilderInterfaceE+0x146A) [0x102a178aa] mongod(_ZN5mongo11runCommandsEPNS_16OperationContextERKNS_3rpc16RequestInterfaceEPNS2_21ReplyBuilderInterfaceE+0x8A7) [0x1028b2cc7] mongod(_ZN5mongo12_GLOBAL__N_111receivedRpcEPNS_16OperationContextERNS_6ClientERNS_10DbResponseERNS_7MessageE+0x280) [0x102cafa00] mongod(_ZN5mongo16assembleResponseEPNS_16OperationContextERNS_7MessageERNS_10DbResponseERKNS_11HostAndPortE+0x9BC) [0x102cac86c] mongod(_ZN5mongo16MyMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortE+0x18D) [0x10254779d] mongod(_ZN5mongo17PortMessageServer17handleIncomingMsgEPv+0x77D) [0x103a7ab4d] mongod(_ZNSt3__114__thread_proxyINS_5tupleIJNS_6__bindIPFPvS3_EJPN5mongo12_GLOBAL__N_124MessagingPortWithHandlerEEEEEEEEES3_S3_+0x1FA) [0x103a794ba] libsystem_pthread.dylib(_pthread_body+0x83) [0x7fff92fb49b1] libsystem_pthread.dylib(_pthread_body+0x0) [0x7fff92fb492e] libsystem_pthread.dylib(thread_start+0xD) [0x7fff92fb2385] ----- END BACKTRACE -----