[Bug 104] "dpdk-procinfo" received signal SIGSEGV, Segmentation fault.

[Bug 104] "dpdk-procinfo" received signal SIGSEGV, Segmentation fault.

[bugzilla]

https://bugs.dpdk.org/show_bug.cgi?id=104

            Bug ID: 104
           Summary: "dpdk-procinfo" received signal SIGSEGV, Segmentation
                    fault.
           Product: DPDK
           Version: unspecified
          Hardware: All
                OS: All
            Status: CONFIRMED
          Severity: normal
          Priority: Normal
         Component: core
          Assignee: dev@dpdk.org
          Reporter: vipin.varghese@intel.com
  Target Milestone: ---

version: make showversion - 18.11.0-rc1
steps: 
1. make config T=x86_64-native-linuxapp-gcc O=x86_64-native-linuxapp-gcc
2. primary:  ./build/l2fwd -c 0xf00 --vdev net_tap0 --vdev net_tap1
--socket-mem=128,0  -- -p 0x3 -T 1
3. secondary: ./x86_64-native-linuxapp-gcc/app/dpdk-procinfo -- --stats

debug logs:
(gdb) bt
#0  find_next (used=true, start=0, arr=0x7f31156090a4)
    at
/home/saesrv02/Downloads/dpdksrc/procifno/dpdk/lib/librte_eal/common/eal_common_fbarray.c:264
#1  fbarray_find (used=true, next=true, start=0, arr=arr@entry=0x7f31156090a4)
    at
/home/saesrv02/Downloads/dpdksrc/procifno/dpdk/lib/librte_eal/common/eal_common_fbarray.c:1001
#2  rte_fbarray_find_next_used (arr=arr@entry=0x7f31156090a4, start=0)
    at
/home/saesrv02/Downloads/dpdksrc/procifno/dpdk/lib/librte_eal/common/eal_common_fbarray.c:1018
#3  0x00005555556d87bc in rte_memseg_walk_thread_unsafe (func=<optimized out>,
    arg=<synthetic pointer>)
    at
/home/saesrv02/Downloads/dpdksrc/procifno/dpdk/lib/librte_eal/common/eal_common_memory.c:589
#4  rte_memseg_walk (func=<optimized out>, arg=<synthetic pointer>)
    at
/home/saesrv02/Downloads/dpdksrc/procifno/dpdk/lib/librte_eal/common/eal_common_memory.c:609
#5  rte_eal_check_dma_mask (maskbits=48 '0')
    at
/home/saesrv02/Downloads/dpdksrc/procifno/dpdk/lib/librte_eal/common/eal_common_memory.c:465
#6  0x0000555555700c0f in pci_one_device_iommu_support_va
(dev=dev@entry=0x55555616dd00)
    at
/home/saesrv02/Downloads/dpdksrc/procifno/dpdk/drivers/bus/pci/linux/pci.c:618
#7  0x0000555555701cf8 in pci_devices_iommu_support_va ()
    at
/home/saesrv02/Downloads/dpdksrc/procifno/dpdk/drivers/bus/pci/linux/pci.c:651
#8  rte_pci_get_iommu_class ()
    at
/home/saesrv02/Downloads/dpdksrc/procifno/dpdk/drivers/bus/pci/linux/pci.c:675
#9  0x00005555556da853 in rte_bus_get_iommu_class ()
    at
/home/saesrv02/Downloads/dpdksrc/procifno/dpdk/lib/librte_eal/common/eal_common_bus.c:237
#10 0x00005555556c4d45 in rte_eal_init (argc=<optimized out>, argv=<optimized
out>)
    at
/home/saesrv02/Downloads/dpdksrc/procifno/dpdk/lib/librte_eal/linuxapp/eal/eal.c:919
#11 0x00005555555ecfbd in main (argc=6, argv=0x7fffffffe188)
    at /home/saesrv02/Downloads/dpdksrc/procifno/dpdk/app/proc-info/main.c:615
(gdb)

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