fun:sigaction=custom
fun:gettimeofday=custom
+# sprintf-like
+fun:sprintf=custom
+fun:snprintf=custom
+
# TODO: custom
-fun:snprintf=discard
-fun:vsnprintf=discard
fun:asprintf=discard
fun:qsort=discard
# Functions that take a callback (wrap the callback manually).
fun:pthread_create=custom
+
+###############################################################################
+# libffi/libgo
+###############################################################################
+# Functions that are written in asm or are called from asm.
+fun:ffi_call_unix64=uninstrumented
+fun:ffi_call_unix64=discard
+fun:ffi_closure_unix64_inner=uninstrumented
+fun:ffi_closure_unix64_inner=discard
+fun:ffi_closure_unix64=uninstrumented
+fun:ffi_closure_unix64=discard
+fun:__go_get_closure=uninstrumented
+fun:__go_get_closure=discard
+fun:__go_makefunc_can_recover=uninstrumented
+fun:__go_makefunc_can_recover=discard
+fun:__go_makefunc_returning=uninstrumented
+fun:__go_makefunc_returning=discard
+fun:reflect.MakeFuncStubGo=uninstrumented
+fun:reflect.MakeFuncStubGo=discard
+fun:reflect.makeFuncStub=uninstrumented
+fun:reflect.makeFuncStub=discard
+
+
+###############################################################################
+# lib/Fuzzer
+###############################################################################
+# Replaces __sanitizer_cov_trace_cmp with __dfsw___sanitizer_cov_trace_cmp
+fun:__sanitizer_cov_trace_cmp=custom
+fun:__sanitizer_cov_trace_cmp=uninstrumented
+# Similar for __sanitizer_cov_trace_switch
+fun:__sanitizer_cov_trace_switch=custom
+fun:__sanitizer_cov_trace_switch=uninstrumented
+
+# Ignores all other __sanitizer callbacks.
+fun:__sanitizer_cov=uninstrumented
+fun:__sanitizer_cov=discard
+fun:__sanitizer_cov_module_init=uninstrumented
+fun:__sanitizer_cov_module_init=discard
+fun:__sanitizer_cov_with_check=uninstrumented
+fun:__sanitizer_cov_with_check=discard
+fun:__sanitizer_cov_indir_call16=uninstrumented
+fun:__sanitizer_cov_indir_call16=discard
+fun:__sanitizer_cov_indir_call16=uninstrumented
+fun:__sanitizer_cov_indir_call16=discard
+fun:__sanitizer_reset_coverage=uninstrumented
+fun:__sanitizer_reset_coverage=discard
+fun:__sanitizer_set_death_callback=uninstrumented
+fun:__sanitizer_set_death_callback=discard
+fun:__sanitizer_get_coverage_guards=uninstrumented
+fun:__sanitizer_get_coverage_guards=discard
+fun:__sanitizer_get_number_of_counters=uninstrumented
+fun:__sanitizer_get_number_of_counters=discard
+fun:__sanitizer_update_counter_bitset_and_clear_counters=uninstrumented
+fun:__sanitizer_update_counter_bitset_and_clear_counters=discard
+fun:__sanitizer_get_total_unique_coverage=uninstrumented
+fun:__sanitizer_get_total_unique_coverage=discard
+fun:__sanitizer_get_total_unique_coverage=uninstrumented
+fun:__sanitizer_get_total_unique_coverage=discard
+fun:__sanitizer_update_counter_bitset_and_clear_counters=uninstrumented
+fun:__sanitizer_update_counter_bitset_and_clear_counters=discard
+
+# Ignores the dfsan wrappers.
+fun:__dfsw_*=uninstrumented
+fun:__dfsw_*=discard
+
+# Don't add extra parameters to the Fuzzer callback.
+fun:LLVMFuzzerTestOneInput=uninstrumented