agent crash due to seg fault at BindUtil::ParseDnsQuery
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Juniper Openstack |
Fix Committed
|
High
|
Hari Prasad Killi | ||
R2.0 |
Fix Committed
|
High
|
Hari Prasad Killi | ||
R2.1 |
Fix Committed
|
High
|
Hari Prasad Killi |
Bug Description
R2.1 Build 39 Ubuntu 14.04 Multi-node setup
Below crash was seen two times on a compute node. Per Hari, this is due to incorrect handling of a DNS packet (this is coming from a service instance ).
Cores will be in http://
Reading symbols from /root/contrail-
warning: core file may not match specified executable file.
[New LWP 2593]
[New LWP 2595]
[New LWP 1651]
[New LWP 1300]
[New LWP 2592]
[New LWP 2594]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_
Core was generated by `/usr/bin/
Program terminated with signal SIGSEGV, Segmentation fault.
#0 ReadShort (value=
at controller/
323 controller/
(gdb) bt
#0 ReadShort (value=
at controller/
#1 ReadQuestionEntry (item=..., ptr=0x261b000 <error: Cannot access memory at address 0x261b000>,
buf=0x2601782 "\002\001\
#2 BindUtil:
#3 0x00000000009fc56e in DnsHandler:
at controller/
#4 0x00000000009fd774 in DnsHandler:
#5 0x0000000000a770b6 in Proto::ProcessProto (this=<optimized out>, msg_info=...) at controller/
#6 0x0000000000a77acc in operator() (a1=..., p=<optimized out>, this=<optimized out>)
at /usr/include/
#7 operator()<bool, boost::
a=<synthetic pointer>, f=..., this=<optimized out>) at /usr/include/
#8 operator(
#9 boost::
a0=...) at /usr/include/
#10 0x0000000000a78e6f in operator() (a0=..., this=0x7f90016e
#11 QueueTaskRunner
at controller/
#12 0x0000000000ed4b90 in TaskImpl::execute (this=0x7f9001c
#13 0x00007f9009665b3a in ?? () from /usr/lib/
#14 0x00007f9009661816 in ?? () from /usr/lib/
#15 0x00007f9009660f4b in ?? () from /usr/lib/
#16 0x00007f900965d0ff in ?? () from /usr/lib/
#17 0x00007f900965d2f9 in ?? () from /usr/lib/
#18 0x00007f9009881182 in start_thread () from /lib/x86_
#19 0x00007f9008b59fbd in clone () from /lib/x86_
(gdb)
tags: | added: blocker |
Review in progress for https:/ /review. opencontrail. org/8126
Submitter: Hari Prasad Killi (<email address hidden>)