Hello, On Thu, Sep 14, 2023 at 9:51 AM 杨佳昊 <yang_jia...@venusgroup.com.cn> wrote: > > Hello > I am tring to run dpdk example with asan. > I have compile dpdk and example as directed by link > https://github.com/DPDK/dpdk/blob/v21.11/doc/guides/prog_guide/asan.rst > But I always get result as follow: > ================================================================= > ==20078== ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc > 0x000000d28b92 sp 0x7ffc6a983b90 bp 0x7ffc6a983bb0 T0) > AddressSanitizer can not provide additional info. > #0 0xd28b91 (/root/dpdk-21.11/build/examples/dpdk-helloworld+0xd28b91) > #1 0xd28fc1 (/root/dpdk-21.11/build/examples/dpdk-helloworld+0xd28fc1) > #2 0xd2901d (/root/dpdk-21.11/build/examples/dpdk-helloworld+0xd2901d) > #3 0x56dac3 (/root/dpdk-21.11/build/examples/dpdk-helloworld+0x56dac3) > #4 0x7ff4b3eed554 (/usr/lib64/libc-2.17.so+0x22554) > #5 0x56d958 (/root/dpdk-21.11/build/examples/dpdk-helloworld+0x56d958) > ==20078== ABORTING > > It's not same as what i see in asan.rst.This result doesn't look right. > My env: > Gcc :9.3.0 > Libasan: 4.8.5
Hard to tell what is wrong here (especially without debug symbols). Some quick questions for now: Are you triggering this segfault with ASan disabled (iow: simply configuring your build env with meson setup <build_dir>)? Did you change something in DPDK or the example sources? -- David Marchand
