Hello everybody.
I want to run MongoDB 3.6 in a jail, and stuck in a bug with mlock.
# uname -a
FreeBSD foo.zato.local 12.1-PRERELEASE FreeBSD 12.1-PRERELEASE r352266
GENERIC amd64
# pkg install mongodb36
...
# sysrc mongod_enable="YES"
# service mongod start
Then connect to mongo from shell and try to add user like they say in
tutorial https://docs.mongodb.com/v3.6/tutorial/enable-authentication/ :
# mongo
MongoDB shell version v3.6.13
connecting to: mongodb://127.0.0.1:27017/?gssapiServiceName=mongodb
Implicit session: session { "id" :
UUID("1e9f8ba6-4882-4453-a6ac-89c51edb3269") }
MongoDB server version: 3.6.13
Welcome to the MongoDB shell.
...
skip warnings
...
> use admin
switched to db admin
> db.createUser(
... {
... user: "newAdmin",
... pwd: "abc123",
... roles: [ { role: "userAdminAnyDatabase", db: "admin" },
"readWriteAnyDatabase" ]
... }
... )
Successfully added user: {
"user" : "newAdmin",
"roles" : [
{
"role" : "userAdminAnyDatabase",
"db" : "admin"
},
"readWriteAnyDatabase"
]
}
>
bye
Then try to login using newly created user:
# mongo -u newAdmin -p abc123
MongoDB shell version v3.6.13
connecting to: mongodb://127.0.0.1:27017/?gssapiServiceName=mongodb
2019-10-11T15:17:37.223+0300 F - [thread1] Failed to mlock:
Operation not permitted
2019-10-11T15:17:37.224+0300 F - [thread1] Fatal Assertion 28832
at src/mongo/base/secure_allocator.cpp 249
2019-10-11T15:17:37.226+0300 F - [thread1]
***aborting after fassert() failure
2019-10-11T15:17:37.229+0300 F - [thread1] Got signal: 6 (Abort
trap).
0x28a40b9 0x28a397b 0x802fda3c0
----- BEGIN BACKTRACE -----
{"backtrace":[{"b":"1021000","o":"18830B9","s":"_ZN5mongo15printStackTraceERNSt3__113basic_ostreamIcNS0_11char_traitsIcEEEE"},{"b":"1021000","o":"188297B","s":"_ZN5mongo29reportOutOfMemoryErrorAndExitEv"},{"b":"802FC6000","o":"143C0","s":"_pthread_sigmask"}],"processInfo":{
"mongodbVersion" : "3.6.13", "gitVersion" :
"db3c76679b7a3d9b443a0e1b3e45ed02b88c539f", "compiledModules" : [],
"uname" : { "sysname" : "FreeBSD", "release" : "12.1-PRERELEASE",
"version" : "FreeBSD 12.1-PRERELEASE r352266 GENERIC", "machine" :
"amd64" } }}
mongo(_ZN5mongo15printStackTraceERNSt3__113basic_ostreamIcNS0_11char_traitsIcEEEE+0x39)
[0x28a40b9]
mongo(_ZN5mongo29reportOutOfMemoryErrorAndExitEv+0x15B) [0x28a397b]
libthr.so.3(_pthread_sigmask+0x530) [0x802fda3c0]
----- END BACKTRACE -----
This will work if not in jail.
mongod is running with --setParameter=disabledSecureAllocatorDomains=*:
/usr/local/bin/mongod --logpath /var/db/mongodb/mongod.log --logappend
--setParameter=disabledSecureAllocatorDomains=* --config
/usr/local/etc/mongodb.conf --dbpath /var/db/mongodb --fork
Is it a bug, or I need to tinker with jail parameters somehow?
--
Best regards,
Alexander Lunev
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