View Issue Details

IDProjectCategoryView StatusLast Update
0014746CentOS-7kernelpublic2018-05-16 14:08
Reporterr_makhov 
PriorityurgentSeveritycrashReproducibilityalways
Status closedResolutionno change required 
Product Version7.4.1708 
Target VersionFixed in Version 
Summary0014746: CentOS 7.4 kernel crashes during IPv6 interface configuration
DescriptionThe kernel panic occurs during IPv6 interface configuration when there is an incoming traffic on the host.

Backtrace from vmcore:
==========================================================================================
      KERNEL: /usr/lib/debug/lib/modules/3.10.0-693.21.1.el7.x86_64/vmlinux
    DUMPFILE: /home/osboxes/vmcore [PARTIAL DUMP]
        CPUS: 6
        DATE: Fri May 4 11:52:07 2018
      UPTIME: 00:00:55
LOAD AVERAGE: 3.55, 0.91, 0.31
       TASKS: 315
    NODENAME: <nodename>.localdomain
     RELEASE: 3.10.0-693.21.1.el7.x86_64
     VERSION: #1 SMP Wed Mar 7 19:03:37 UTC 2018
     MACHINE: x86_64 (2299 Mhz)
      MEMORY: 16 GB
       PANIC: "BUG: unable to handle kernel NULL pointer dereference at 0000000000000026"
         PID: 170
     COMMAND: "kworker/0:2"
        TASK: ffff88042ce6cf10 [THREAD_INFO: ffff88042cd90000]
         CPU: 0
       STATE: TASK_RUNNING (PANIC)

crash> bt
PID: 170 TASK: ffff88042ce6cf10 CPU: 0 COMMAND: "kworker/0:2"
 #0 [ffff88042cd939b0] machine_kexec at ffffffff8105d77b
 #1 [ffff88042cd93a10] __crash_kexec at ffffffff81108732
 #2 [ffff88042cd93ae0] crash_kexec at ffffffff81108820
 #3 [ffff88042cd93af8] oops_end at ffffffff816b8778
 #4 [ffff88042cd93b20] no_context at ffffffff816a7c7a
 #5 [ffff88042cd93b70] __bad_area_nosemaphore at ffffffff816a7d10
 #6 [ffff88042cd93bb8] bad_area_nosemaphore at ffffffff816a7e7a
 #7 [ffff88042cd93bc8] __do_page_fault at ffffffff816bb68e
 #8 [ffff88042cd93c28] trace_do_page_fault at ffffffff816bb8e6
 #9 [ffff88042cd93c68] do_async_page_fault at ffffffff816baf7a
#10 [ffff88042cd93c80] async_page_fault at ffffffff816b7798
    [exception RIP: ndisc_send_rs+238]
    RIP: ffffffff8166575e RSP: ffff88042cd93d38 RFLAGS: 00010202
    RAX: 000000000000000e RBX: ffff880427a20000 RCX: 0000000000000001
    RDX: 0000000000000000 RSI: 0000000000000200 RDI: ffffffff816534f7
    RBP: ffff88042cd93d60 R8: 0000000000000000 R9: 0000000000000001
    R10: ffff88042cd93ce0 R11: ffffea0010a3e100 R12: 0000000000000008
    R13: 0000000000000006 R14: ffff88042cd93d70 R15: ffffffff81772410
    ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#11 [ffff88042cd93d30] ndisc_send_rs at ffffffff81665704
#12 [ffff88042cd93d68] addrconf_dad_completed at ffffffff816542c9
#13 [ffff88042cd93dc0] addrconf_dad_work at ffffffff81654480
#14 [ffff88042cd93e20] process_one_work at ffffffff810abe2f
#15 [ffff88042cd93e68] worker_thread at ffffffff810acaf6
#16 [ffff88042cd93ec8] kthread at ffffffff810b4031
#17 [ffff88042cd93f50] ret_from_fork at ffffffff816c0577
crash>
==========================================================================================


The network script which causes the problem:
==========================================================================================
# more /etc/sysconfig/network-scripts/ifcfg-ueth2
DEVICE=ueth2
TYPE=Ethernet
BOOTPROTO=none
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_DEFROUTE=no
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
IPV6_FAILURE_FATAL=no
IPV6ADDR=64:ff9b::0a03:0501/112
IPADDR=10.3.5.1
NETMASK=255.255.0.0
NAME=ueth2
ONBOOT=yes
MTU=1978
#
==========================================================================================

Disabling ipv6 eliminates the issue.
TagsNo tags attached.
abrt_hash
URL

Activities

r_makhov

r_makhov

2018-05-16 11:55

reporter   ~0031843

Can be closed. The issue was due to the old DPDK package using.

Issue History

Date Modified Username Field Change
2018-05-07 13:48 r_makhov New Issue
2018-05-16 11:55 r_makhov Note Added: 0031843
2018-05-16 14:08 toracat Status new => closed
2018-05-16 14:08 toracat Resolution open => no change required