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clang++ -std=c++11 xml_read_memory_fuzzer.cc -O2 -fno-omit-frame-pointer -g -fsanitize=address,fuzzer -v \
    -fsanitize-coverage=edge,indirect-calls,trace-cmp,trace-div,trace-gep -I libxml2/include \
    -lz -llzma\
    -o xml_read_memory_fuzzer
Ubuntu clang version 14.0.0-1ubuntu1
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/11
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/12
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/12
Candidate multilib: .;@m64
Selected multilib: .;@m64
 "/usr/lib/llvm-14/bin/clang" -cc1 -triple x86_64-pc-linux-gnu -emit-obj --mrelax-relocations -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name xml_read_memory_fuzzer.cc -mrelocation-model pic -pic-level 2 -pic-is-pie -mframe-pointer=all -fmath-errno -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic -mllvm -treat-scalable-fixed-error-as-warning -debug-info-kind=constructor -dwarf-version=5 -debugger-tuning=gdb -v -fcoverage-compilation-dir=/home/user/fuzzing/libfuzzer-workshop/lessons/08 -resource-dir /usr/lib/llvm-14/lib/clang/14.0.0 -I libxml2/include -internal-isystem /usr/bin/../lib/gcc/x86_64-linux-gnu/12/../../../../include/c++/12 -internal-isystem /usr/bin/../lib/gcc/x86_64-linux-gnu/12/../../../../include/x86_64-linux-gnu/c++/12 -internal-isystem /usr/bin/../lib/gcc/x86_64-linux-gnu/12/../../../../include/c++/12/backward -internal-isystem /usr/lib/llvm-14/lib/clang/14.0.0/include -internal-isystem /usr/local/include -internal-isystem /usr/bin/../lib/gcc/x86_64-linux-gnu/12/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O2 -std=c++11 -fdeprecated-macro -fdebug-compilation-dir=/home/user/fuzzing/libfuzzer-workshop/lessons/08 -ferror-limit 19 -fsanitize-coverage-type=3 -fsanitize-coverage-indirect-calls -fsanitize-coverage-trace-cmp -fsanitize-coverage-trace-div -fsanitize-coverage-trace-gep -fsanitize-coverage-inline-8bit-counters -fsanitize-coverage-pc-table -fsanitize-coverage-stack-depth -fsanitize=address,fuzzer,fuzzer-no-link -fsanitize-system-ignorelist=/usr/lib/llvm-14/lib/clang/14.0.0/share/asan_ignorelist.txt -fsanitize-address-use-after-scope -fno-assume-sane-operator-new -fno-builtin-bcmp -fno-builtin-memcmp -fno-builtin-strncmp -fno-builtin-strcmp -fno-builtin-strncasecmp -fno-builtin-strcasecmp -fno-builtin-strstr -fno-builtin-strcasestr -fno-builtin-memmem -fgnuc-version=4.2.1 -fcxx-exceptions -fexceptions -fcolor-diagnostics -vectorize-loops -vectorize-slp -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /tmp/xml_read_memory_fuzzer-f8ac34.o -x c++ xml_read_memory_fuzzer.cc
clang -cc1 version 14.0.0 based upon LLVM 14.0.0 default target x86_64-pc-linux-gnu
ignoring nonexistent directory "/usr/bin/../lib/gcc/x86_64-linux-gnu/12/../../../../x86_64-linux-gnu/include"
ignoring nonexistent directory "/include"
#include "..." search starts here:
#include <...> search starts here:
 libxml2/include
 /usr/bin/../lib/gcc/x86_64-linux-gnu/12/../../../../include/c++/12
 /usr/bin/../lib/gcc/x86_64-linux-gnu/12/../../../../include/x86_64-linux-gnu/c++/12
 /usr/bin/../lib/gcc/x86_64-linux-gnu/12/../../../../include/c++/12/backward
 /usr/lib/llvm-14/lib/clang/14.0.0/include
 /usr/local/include
 /usr/include/x86_64-linux-gnu
 /usr/include
End of search list.
 "/usr/bin/ld" -pie -z relro --hash-style=gnu --build-id --eh-frame-hdr -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o xml_read_memory_fuzzer /lib/x86_64-linux-gnu/Scrt1.o /lib/x86_64-linux-gnu/crti.o /usr/bin/../lib/gcc/x86_64-linux-gnu/12/crtbeginS.o -L/usr/bin/../lib/gcc/x86_64-linux-gnu/12 -L/usr/bin/../lib/gcc/x86_64-linux-gnu/12/../../../../lib64 -L/lib/x86_64-linux-gnu -L/lib/../lib64 -L/usr/lib/x86_64-linux-gnu -L/usr/lib/../lib64 -L/usr/lib/llvm-14/bin/../lib -L/lib -L/usr/lib --whole-archive /usr/lib/llvm-14/lib/clang/14.0.0/lib/linux/libclang_rt.fuzzer-x86_64.a --no-whole-archive -lstdc++ --whole-archive /usr/lib/llvm-14/lib/clang/14.0.0/lib/linux/libclang_rt.asan_static-x86_64.a --no-whole-archive --whole-archive /usr/lib/llvm-14/lib/clang/14.0.0/lib/linux/libclang_rt.asan-x86_64.a --no-whole-archive --dynamic-list=/usr/lib/llvm-14/lib/clang/14.0.0/lib/linux/libclang_rt.asan-x86_64.a.syms --whole-archive /usr/lib/llvm-14/lib/clang/14.0.0/lib/linux/libclang_rt.asan_cxx-x86_64.a --no-whole-archive --dynamic-list=/usr/lib/llvm-14/lib/clang/14.0.0/lib/linux/libclang_rt.asan_cxx-x86_64.a.syms /tmp/xml_read_memory_fuzzer-f8ac34.o -lz -llzma -lstdc++ -lm --no-as-needed -lpthread -lrt -lm -ldl -lgcc_s -lgcc -lc -lgcc_s -lgcc /usr/bin/../lib/gcc/x86_64-linux-gnu/12/crtendS.o /lib/x86_64-linux-gnu/crtn.o
/usr/bin/ld: /usr/bin/ld: DWARF error: invalid or unhandled FORM value: 0x23
/tmp/xml_read_memory_fuzzer-f8ac34.o: in function `LLVMFuzzerTestOneInput':
xml_read_memory_fuzzer.cc:(.text.LLVMFuzzerTestOneInput[LLVMFuzzerTestOneInput]+0x2f): undefined reference to `xmlSetGenericErrorFunc'
/usr/bin/ld: xml_read_memory_fuzzer.cc:(.text.LLVMFuzzerTestOneInput[LLVMFuzzerTestOneInput]+0x46): undefined reference to `xmlReadMemory'
/usr/bin/ld: xml_read_memory_fuzzer.cc:(.text.LLVMFuzzerTestOneInput[LLVMFuzzerTestOneInput]+0x5a): undefined reference to `xmlFreeDoc'
clang: error: linker command failed with exit code 1 (use -v to see invocation)