Re: [libvirt-users] Fail to compile libvirt with address sanitizer by clang-7

On 04/10/2018 05:22 AM, Han Han wrote: > Hi, > I tried to compile libvirt with address sanitizer( > https://github.com/google/sanitizers/wiki/AddressSanitizer) to discover > memory errors. But fails when make. > Code version: > $ git describe > v4.2.0-92-g3f204e4de > > Compile tools: > automake 1:1.15.1-3 all [installed] > clang-7 1:7~svn323616-1 amd64 [installed,automatic] > make 4.2.1-1 amd64 [installed,automatic] > > Compile steps: > $ ./bootstrap > $ CC=clang-7 CFLAGS="-g -O1 -fsanitize=address -fno-omit-frame-pointer > -Wno-error" LDFLAGS="-fsanitize=address" ./configure > > Configure succed. > $ make > But error appeared: > make all-am > make[3]: Entering directory '/home/hhan/Software/libvirt/src' > CCLD libvirt.la > ./.libs/libvirt_util.a(libvirt_util_la-viralloc.o): In function `virAlloc': > /home/hhan/Software/libvirt/src/util/viralloc.c:144: undefined reference to > `__asan_report_store8' Huh, I remember seeing different error when trying this (although I'm using gcc). However, I suspect '-Wl,-z -Wl,defs' arguments are problem. We add them onto linker cmd line. You can try applying this patch and see if it helps: diff --git i/configure.ac w/configure.ac index 18587270e6..e23c0e4c22 100644 --- i/configure.ac +++ w/configure.ac @@ -237,7 +237,6 @@ LIBVIRT_COMPILE_WARNINGS LIBVIRT_COMPILE_PIE LIBVIRT_LINKER_RELRO LIBVIRT_LINKER_NO_INDIRECT -LIBVIRT_LINKER_NO_UNDEFINED LIBVIRT_ARG_APPARMOR LIBVIRT_ARG_ATTR Michal