VPP is built with follow command:
make build VPP_EXTRA_CMAKE_ARGS="-DVPP_ENABLE_SANITIZE_ADDR=ON"
I run vpp on Microsoft hyper-v vm with Ubuntu20.04, use a vmbus adapter as NIC.
It seems if I run vpp with follow *startup.conf* , it will *ALWAYS* failed
cause of asan error:
starup.conf
*unix {*
*nodaemon*
*interactive*
*nosyslog*
*log /tmp/vpp-running.log*
*cli-no-banner*
*cli-no-pager*
*}*
*tcp {*
*mtu 1500*
*cleanup-time 5000*
*}*
*udp {*
*mtu 9000*
*}*
*ethernet {*
*default-mtu 1500*
*}*
*heapsize 2g*
*buffers {*
*buffers-per-numa 65536*
*default data-size 2048*
*}*
*cpu {*
*thread-prefix nat44*
*main-core 0*
*corelist-workers 1*
*}*
*session {*
*enable*
*}*
*dpdk {*
*log-level notice*
*log-level lib.eal:notice*
*no-tx-checksum-offload*
*dev 397d3090-ba26-4317-ab85-45bcffd9aee1 {*
*name eth0*
*num-rx-queues 1*
*num-tx-queues 1*
*rss {*
*ipv4-tcp*
*ipv4-udp*
*ipv4*
*}*
*}*
*}*
*plugins {*
*plugin default {enable}*
*}*
397d3090-ba26-4317-ab85-45bcffd9aee1 is id of vmbus adapter
With asan error like below:
*For help, type "help".*
*Type "apropos word" to search for commands related to "word"...*
*Reading symbols from ./bin/vpp...*
*(gdb) r -c /tmp/startup.conf*
*Starting program:
/root/source/vpp/build-root/install-vpp_debug-native/vpp/bin/vpp -c
/tmp/startup.conf*
*[Thread debugging using libthread_db enabled]*
*Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".*
*perfmon [warn ]: skipping source 'intel-uncore' - intel_uncore_init: no uncore
units found*
*[New Thread 0x7ffb65d2e700 (LWP 10214)]*
*[New Thread 0x7ffb64ffc700 (LWP 10215)]*
*=================================================================*
**
*Thread 3 "nat44_wk_0" received signal SIGSEGV, Segmentation fault.*
*[Switching to Thread 0x7ffb64ffc700 (LWP 10215)]*
*__asan::FakeStack::AddrIsInFakeStack (this=0x0, ptr=140717725490360,
frame_beg=frame_beg@entry=0x7ffb64ffab48,*
*frame_end=frame_end@entry=0x7ffb64ffab50) at
../../../../src/libsanitizer/asan/asan_fake_stack.cc:116*
*116 ../../../../src/libsanitizer/asan/asan_fake_stack.cc: No such file or
directory.*
*(gdb) bt*
*#0 __asan::FakeStack::AddrIsInFakeStack (this=0x0, ptr=140717725490360,
frame_beg=frame_beg@entry=0x7ffb64ffab48,*
*frame_end=frame_end@entry=0x7ffb64ffab50) at
../../../../src/libsanitizer/asan/asan_fake_stack.cc:116*
*#1 0x00007ffff76a9ef5 in __asan::FakeStack::AddrIsInFakeStack (addr=, this=)*
*at ../../../../src/libsanitizer/asan/asan_fake_stack.h:134*
*#2 __asan::ThreadStackContainsAddress (tctx_base=, addr=)*
*at ../../../../src/libsanitizer/asan/asan_thread.cc:389*
*#3 0x00007ffff76c485a in __sanitizer::ThreadRegistry::FindThreadContextLocked
(*
*this=0x7ffff772d720 <__asan::thread_registry_placeholder>,*
*cb=cb@entry=0x7ffff76a9e50
<__asan::ThreadStackContainsAddress(__sanitizer::ThreadContextBase*, void*)>,*
*arg=arg@entry=0x7ffb660a9cb8) at
../../../../src/libsanitizer/sanitizer_common/sanitizer_thread_registry.cc:196*
*#4 0x00007ffff76ab34e in __asan::FindThreadByStackAddress
(addr=addr@entry=140717725490360)*
*at ../../../../src/libsanitizer/asan/asan_thread.cc:435*
*#5 0x00007ffff75bbf6a in __asan::GetStackAddressInformation
(addr=addr@entry=140717725490360,*
*access_size=access_size@entry=8, descr=descr@entry=0x7ffb64ffb0c0)*
*at ../../../../src/libsanitizer/asan/asan_descriptions.cc:195*
*#6 0x00007ffff75bd3c9 in __asan::AddressDescription::AddressDescription
(shouldLockThreadRegistry=false,*
*access_size=8, addr=140717725490360, this=0x7ffb64ffb0b8)*
*at ../../../../src/libsanitizer/asan/asan_descriptions.cc:454*
*#7 __asan::AddressDescription::AddressDescription (this=0x7ffb64ffb0b8,
addr=140717725490360, access_size=8,*
*shouldLockThreadRegistry=) at
../../../../src/libsanitizer/asan/asan_descriptions.cc:438*
*#8 0x00007ffff75bfe95 in __asan::ErrorGeneric::ErrorGeneric
(this=0x7ffb64ffacb0, tid=,*
*pc_=140737317535885, bp_=140717707999520, sp_=140717707999504,
addr=140717725490360, is_write_=false,*
*access_size_=8) at ../../../../src/libsanitizer/asan/asan_errors.h:31*
*#9 0x00007ffff76a4f4e in __asan::ReportGenericError (pc=140737317535885,
bp=bp@entry=140717707999520,*
*sp=sp@entry=140717707999504, addr=140717725490360,
is_write=is_write@entry=false,*
*access_size=access_size@entry=8, exp=0, fatal=true) at
../../../../src/libsanitizer/asan/asan_report.cc:459*
*#10 0x00007ffff76a5deb in __asan::__asan_report_load8 (addr=)*
*at ../../../../src/libsanitizer/asan/asan_rtl.cc:119*
*#11 0x00007ffff5d1808d in vlib_node_increment_counter (vm=0x7fff76fb8200,
node_index=400, counter_index=0,*
*increment=0) at /root/source/vpp/src/vlib/node_funcs.h:1345*
*#12 0x00007ffff5d30ac8 in session_queue_node_fn (vm=0x7fff76fb8200,
node=0x7fff75663380, frame=0x0)*
*at /root/source/vpp/src/vnet/session/session_node.c:2033*
*#13 0x00007ffff49cfa92 in dispatch_node (vm=0x7fff76fb8200,
node=0x7fff75663380, type=VLIB_NODE_TYPE_INPUT,*
*dispatch_state=VLIB_NODE_STATE_POLLING, frame=0x0,
last_time_stamp=7560712379574)*
*at /root/source/vpp/src/vlib/main.c:960*
*#14 0x00007ffff49d3a47 in vlib_main_or_worker_loop (vm=0x7fff76fb8200,
is_main=0)*
*at /root/source/vpp/src/vlib/main.c:1557*
*#15 0x00007ffff49d4ced in vlib_worker_loop (vm=0x7fff76fb8200) at
/root/source/vpp/src/vlib/main.c:1722*
*#16 0x00007ffff4a3ca5c in vlib_worker_thread_fn (arg=0x7fff733ad740) at
/root/source/vpp/src/vlib/threads.c:1598*
*#17 0x00007ffff4a32aa1 in vlib_worker_thread_bootstrap_fn (arg=0x7fff733ad740)*
*at /root/source/vpp/src/vlib/threads.c:418*
*#18 0x00007ffff4866609 in start_thread (arg=) at pthread_create.c:477*
*#19 0x00007ffff4462133 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95*
*(gdb)*
I test that, if I do not enable session module in startup.conf, but just enble
it after vpp start success by cli: session enable , then everything goes well.
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