Hi all If I send local udp packets to vpp(17.02, the dst ip is local, but there is no upper layer processing ) continuely, then vpp goes down like this. If I change the next node of "ip4-udp-lookup" from "ip4-icmp-error" to "error_drop", then everything is ok. I'm wondering whether there is a bug, any clue here?
Thread 1 "vpp_main" received signal SIGSEGV, Segmentation fault. clib_memcpy (n=14, src=0x7fffb7f88be2, dst=0xfffffffffffffff2) at /home/vbras/44/VBRASV100R001/vpp1704/build-data/../src/vppinfra/memcpy_sse3.h:207 207 *(u16 *) dstu = *(const u16 *) srcu; (gdb) bt #0 clib_memcpy (n=14, src=0x7fffb7f88be2, dst=0xfffffffffffffff2) at /home/vbras/44/VBRASV100R001/vpp1704/build-data/../src/vppinfra/memcpy_sse3.h:207 #1 _vnet_rewrite_one_header (most_likely_size=14, max_size=112, packet0=0x0, h0=0x7fffb7f88b70) at /home/vbras/44/VBRASV100R001/vpp1704/build-data/../src/vnet/rewrite.h:195 #2 ip4_arp_inline (is_glean=1, frame=<optimized out>, node=0x7fffb5301840, vm=<optimized out>) at /home/vbras/44/VBRASV100R001/vpp1704/build-data/../src/vnet/ip/ip4_forward.c:2289 #3 ip4_glean (vm=0x7ffff79aa2a0 <vlib_global_main>, node=0x7fffb5301840, frame=0x7fffb579b200) at /home/vbras/44/VBRASV100R001/vpp1704/build-data/../src/vnet/ip/ip4_forward.c:2357 #4 0x00007ffff7757119 in dispatch_node (vm=0x7ffff79aa2a0 <vlib_global_main>, node=0x7fffb5301840, type=<optimized out>, dispatch_state=VLIB_NODE_STATE_POLLING, frame=<optimized out>, last_time_stamp=67522360841383) at /home/vbras/44/VBRASV100R001/vpp1704/build-data/../src/vlib/main.c:998 #5 0x00007ffff775740d in dispatch_pending_node (vm=vm@entry=0x7ffff79aa2a0 <vlib_global_main>, p=0x7fffb8100f70, last_time_stamp=<optimized out>) at /home/vbras/44/VBRASV100R001/vpp1704/build-data/../src/vlib/main.c:1144 #6 0x00007ffff7757e7d in vlib_main_or_worker_loop (is_main=1, vm=0x7ffff79aa2a0 <vlib_global_main>) at /home/vbras/44/VBRASV100R001/vpp1704/build-data/../src/vlib/main.c:1588 #7 vlib_main_loop (vm=0x7ffff79aa2a0 <vlib_global_main>) at /home/vbras/44/VBRASV100R001/vpp1704/build-data/../src/vlib/main.c:1608 #8 vlib_main (vm=vm@entry=0x7ffff79aa2a0 <vlib_global_main>, input=input@entry=0x7fffb4cf8fa0) at /home/vbras/44/VBRASV100R001/vpp1704/build-data/../src/vlib/main.c:1736 #9 0x00007ffff7790f23 in thread0 (arg=140737347494560) at /home/vbr Regards Ewan yug...@telincn.com
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