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  1. vpp
  2. VPP-1692

Crash in ip4_arp_inline

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    • 19.04, 19.08
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      Crash in ip4_arp_inline in VPP version 19.04.1-release found in k8s deployment (Contiv-VPP)

      Core file: https://cisco.box.com/s/daauvo1uilm14tvp6yvy8kojmy0nidgh

      Deb packages of the build: https://cisco.box.com/s/it6du9s8bz9bmt34frttwew0muhoa9lg

      Backtrace:

      #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
      #1 0x00007f5a544d3801 in __GI_abort () at abort.c:79
      #2 0x000056416a39fd5e in os_exit (code=code@entry=1) at /opt/vpp-agent/dev/vpp/src/vpp/vnet/main.c:359
      #3 0x00007f5a54dfdf99 in unix_signal_handler (signum=<optimized out>, si=<optimized out>, uc=<optimized out>) at /opt/vpp-agent/dev/vpp/src/vlib/unix/main.c:167
      #4 <signal handler called>
      #5 _mm256_storeu_si256 (__A=..., __P=0x2e729440c8) at /usr/lib/gcc/x86_64-linux-gnu/7/include/avxintrin.h:927
      #6 clib_mov32 (src=0x10012b0c88 "", dst=0x2e729440c8 <error: Cannot access memory at address 0x2e729440c8>) at /opt/vpp-agent/dev/vpp/src/vppinfra/memcpy_avx2.h:69
      #7 clib_memcpy_fast (n=56, src=0x10012b0c88, dst=0x2e729440c8) at /opt/vpp-agent/dev/vpp/src/vppinfra/memcpy_avx2.h:168
      #8 ip4_arp_inline (is_glean=1, frame=<optimized out>, node=<optimized out>, vm=<optimized out>) at /opt/vpp-agent/dev/vpp/src/vnet/ip/ip4_forward.c:1859
      #9 ip4_glean_node_fn_avx2 (vm=<optimized out>, node=<optimized out>, frame=<optimized out>) at /opt/vpp-agent/dev/vpp/src/vnet/ip/ip4_forward.c:1923
      #10 0x00007f5a54db9f32 in dispatch_node (last_time_stamp=3427397258197, frame=0x7f5a14aaa380, dispatch_state=VLIB_NODE_STATE_POLLING, type=VLIB_NODE_TYPE_INTERNAL, node=0x7f5a13d19540, vm=0x7f5a55016700 <vlib_global_main>)
       at /opt/vpp-agent/dev/vpp/src/vlib/main.c:1209
      #11 dispatch_pending_node (vm=vm@entry=0x7f5a55016700 <vlib_global_main>, pending_frame_index=pending_frame_index@entry=15, last_time_stamp=last_time_stamp@entry=3427397258197) at /opt/vpp-agent/dev/vpp/src/vlib/main.c:1376
      #12 0x00007f5a54dbce9a in vlib_main_or_worker_loop (is_main=1, vm=0x7f5a55016700 <vlib_global_main>) at /opt/vpp-agent/dev/vpp/src/vlib/main.c:1820
      #13 vlib_main_loop (vm=0x7f5a55016700 <vlib_global_main>) at /opt/vpp-agent/dev/vpp/src/vlib/main.c:1922
      #14 vlib_main (vm=<optimized out>, vm@entry=0x7f5a55016700 <vlib_global_main>, input=input@entry=0x7f5a143fffa0) at /opt/vpp-agent/dev/vpp/src/vlib/main.c:2111
      #15 0x00007f5a54dfcfb6 in thread0 (arg=140025949939456) at /opt/vpp-agent/dev/vpp/src/vlib/unix/main.c:617
      #16 0x00007f5a548b5814 in clib_calljmp () from /usr/lib/x86_64-linux-gnu/libvppinfra.so.19.04.1
      #17 0x00007ffd98bfb7a0 in ?? ()
      #18 0x00007f5a54dfe532 in vlib_unix_main (argc=<optimized out>, argv=<optimized out>) at /opt/vpp-agent/dev/vpp/src/vlib/unix/main.c:686
      #19 0x0000000000000000 in ?? ()

            dbarach Dave Barach
            raszabo Rastislav Szabo
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