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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 02:57:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 02:57:58 +0000
commitbe1c7e50e1e8809ea56f2c9d472eccd8ffd73a97 (patch)
tree9754ff1ca740f6346cf8483ec915d4054bc5da2d /fluent-bit/tests/internal/fuzzers/engine_fuzzer.c
parentInitial commit. (diff)
downloadnetdata-be1c7e50e1e8809ea56f2c9d472eccd8ffd73a97.tar.xz
netdata-be1c7e50e1e8809ea56f2c9d472eccd8ffd73a97.zip
Adding upstream version 1.44.3.upstream/1.44.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fluent-bit/tests/internal/fuzzers/engine_fuzzer.c')
-rw-r--r--fluent-bit/tests/internal/fuzzers/engine_fuzzer.c171
1 files changed, 171 insertions, 0 deletions
diff --git a/fluent-bit/tests/internal/fuzzers/engine_fuzzer.c b/fluent-bit/tests/internal/fuzzers/engine_fuzzer.c
new file mode 100644
index 00000000..498b86a8
--- /dev/null
+++ b/fluent-bit/tests/internal/fuzzers/engine_fuzzer.c
@@ -0,0 +1,171 @@
+#include <fluent-bit.h>
+#include <fluent-bit/flb_parser.h>
+#include <fluent-bit/flb_parser.h>
+#include <fluent-bit/flb_input_chunk.h>
+#include <fluent-bit/flb_metrics.h>
+#include "flb_fuzz_header.h"
+
+#include <stdio.h>
+#include <monkey/mk_core.h>
+
+struct flb_parser *parser;
+ flb_ctx_t *ctx;
+ int in_ffd;
+ int out_ffd;
+int filter_ffd;
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+ if (size < 100) {
+ return 0;
+ }
+ /* Set fuzzer-malloc chance of failure */
+ flb_malloc_p = 0;
+ flb_malloc_mod = 25000;
+
+ uint8_t ud = data[0];
+ MOVE_INPUT(1);
+ #define NM_SIZE 50
+ char *null_terminated = get_null_terminated(NM_SIZE, &data, &size);
+
+ char *nm3 = get_null_terminated(10, &data, &size);
+ char *nm4 = get_null_terminated(10, &data, &size);
+ int random_i1 = *(int *)data;
+ MOVE_INPUT(4);
+ int random_i2 = *(int *)data;
+
+ #define FUNC_NUMS 10
+ switch (ud % FUNC_NUMS) {
+ case 0:
+ flb_output(ctx, null_terminated, nm3);
+ break;
+ case 1:
+ flb_filter(ctx, null_terminated, nm3);
+ break;
+ case 2:
+ flb_input(ctx, null_terminated, nm3);
+ break;
+ case 3:
+ flb_output_check(ctx->config);
+ break;
+ case 4: {
+ struct mk_list *head;
+ struct flb_input_instance *entry;
+ mk_list_foreach(head, &ctx->config->inputs) {
+ entry = mk_list_entry(head, struct flb_input_instance, _head);
+ flb_input_name_exists(nm3, ctx->config);
+ flb_input_get_property(nm3, entry);
+ flb_input_name(entry);
+ flb_input_collector_running(0, entry);
+ flb_input_collector_pause(random_i1, entry);
+ flb_input_collector_resume(random_i2, entry);
+ flb_input_net_default_listener(nm4, random_i1, entry);
+ flb_input_collector_start(random_i2, entry);
+ }
+ }
+ break;
+ case 5: {
+ struct mk_list *head;
+ struct flb_input_instance *entry;
+ mk_list_foreach(head, &ctx->config->inputs) {
+ entry = mk_list_entry(head, struct flb_input_instance, _head);
+ if (entry->storage != NULL) {
+ char bufbuf[100];
+ flb_input_chunk_append_raw(entry, FLB_INPUT_LOGS, 0, "A",
+ 1, "\0", 0);
+
+ struct flb_input_chunk *ic = NULL;
+ ic = flb_input_chunk_create(entry, FLB_INPUT_LOGS, nm3, 10);
+ if (ic != NULL) {
+ flb_input_chunk_get_size(ic);
+ flb_input_chunk_set_up_down(ic);
+ flb_input_chunk_down(ic);
+ flb_input_chunk_set_up(ic);
+ flb_input_chunk_get_name(ic);
+ char *tag_buf;
+ int tag_len;
+ flb_input_chunk_get_tag(ic, &tag_buf, &tag_len);
+ size_t flushed;
+ flb_input_chunk_flush(ic, &flushed);
+ }
+ }
+ }
+ }
+ break;
+ case 6:
+ flb_input_check(ctx->config);
+ flb_input_pause_all(ctx->config);
+ break;
+ case 7: {
+ struct mk_list *head;
+ struct flb_output_instance *entry;
+ mk_list_foreach(head, &ctx->config->outputs) {
+ entry = mk_list_entry(head, struct flb_output_instance, _head);
+ flb_output_net_default(nm4, random_i1, entry);
+ flb_output_name(entry);
+ }
+ }
+ break;
+ default:
+ flb_lib_push(ctx, in_ffd, null_terminated, NM_SIZE);
+ break;
+ }
+
+ flb_free(null_terminated);
+ flb_free(nm3);
+ flb_free(nm4);
+ return 0;
+}
+
+int callback_test(void* data, size_t size, void* cb_data)
+{
+ return 0;
+}
+
+struct flb_lib_out_cb cb;
+
+
+int LLVMFuzzerInitialize(int *argc, char ***argv) {
+ /* Set fuzzer-malloc chance of failure */
+ flb_malloc_p = 0;
+ flb_malloc_mod = 25000;
+
+ ctx = flb_create();
+ flb_service_set(ctx, "Flush", "0", "Grace",
+ "0", "Log_Level", "debug", NULL);
+
+ in_ffd = flb_input(ctx, (char *) "lib", NULL);
+ flb_input_set(ctx, in_ffd, (char *) "test", NULL);
+ flb_input_set(ctx, in_ffd, (char *) "BBBB", NULL);
+ flb_input_set(ctx, in_ffd, (char *) "AAAA", NULL);
+ flb_input_set(ctx, in_ffd, (char *) "AAAAA", NULL);
+ flb_input_set(ctx, in_ffd, (char *) "CC", NULL);
+ flb_input_set(ctx, in_ffd, (char *) "A", NULL);
+
+ parser = flb_parser_create("timestamp", "regex", "^(?<time>.*)$", FLB_TRUE,
+ "%s.%L", "time", NULL, MK_FALSE, 0, FLB_FALSE,
+ NULL, 0, NULL, ctx->config);
+ filter_ffd = flb_filter(ctx, (char *) "parser", NULL);
+ int ret;
+ ret = flb_filter_set(ctx, filter_ffd, "Match", "test",
+ "Key_Name", "@timestamp",
+ "Parser", "timestamp",
+ "Reserve_Data", "On",
+ NULL);
+
+ cb.cb = callback_test;
+ cb.data = NULL;
+ out_ffd = flb_output(ctx, (char *) "lib", &cb);
+ flb_output_set(ctx, out_ffd, "Match", "*",
+ "format", "json", NULL);
+
+ flb_output_set(ctx, out_ffd,"match", "test", NULL);
+ flb_output_set(ctx, out_ffd,"region", "us-west-2", NULL);
+ flb_output_set(ctx, out_ffd,"log_group_name", "fluent", NULL);
+ flb_output_set(ctx, out_ffd,"log_stream_prefix", "from-fluent-", NULL);
+ flb_output_set(ctx, out_ffd,"auto_create_group", "On", NULL);
+ flb_output_set(ctx, out_ffd,"net.keepalive", "Off", NULL);
+ flb_output_set(ctx, out_ffd,"Retry_Limit", "1", NULL);
+
+ /* start the engine */
+ flb_start(ctx);
+}