Chris Richardson created DISPATCH-40: ----------------------------------------
Summary: Qdrouterd segfaults while connecting to neighbour router
Key: DISPATCH-40
URL: https://issues.apache.org/jira/browse/DISPATCH-40
Project: Qpid Dispatch
Issue Type: Bug
Components: Container
Affects Versions: 0.1
Environment: Ubuntu 12.04 LTS x86_64, Gentoo 32 and 64 bit
Reporter: Chris Richardson
Using the following configuration on two nodes (designated "client" and
"server"), the client will segfault while connecting the server:
{code}
# Server config
container {
worker-threads: 4
container-name: Qpid.Dispatch.Router.Server
}
ssl-profile {
name: ssl-profile-name
}
listener {
addr: 0.0.0.0
port: amqp
sasl-mechanisms: ANONYMOUS
}
listener {
role: inter-router
addr: 0.0.0.0
port: 20000
sasl-mechanisms: ANONYMOUS
}
router {
mode: interior
router-id: Router.Server
}
{code}
{code}
# Client config
container {
worker-threads: 4
container-name: Qpid.Dispatch.Router.A
}
ssl-profile {
name: ssl-profile-name
}
listener {
addr: 0.0.0.0
port: amqp
sasl-mechanisms: ANONYMOUS
}
connector {
role: inter-router
addr: 192.168.0.12 # Address of server node
port: 20000
sasl-mechanisms: ANONYMOUS
}
router {
mode: standalone
router-id: Router.A
}
{code}
Note the the client router mode is standalone. Changing this to "interior"
fixes the problem.
The segfault takes place at router_node.c:70,
{code}
DEQ_INSERT_TAIL(*ref_list, ref);
{code}
and is caused by the attempt to de-reference the "ref_list" variable, which
appears to be uninitialised or dangling.
The router mode "standalone" may be invalid in this configuration (?), the
process should not segfault!
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