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authorvan Hauser <vh@thc.org>2022-04-03 09:30:23 +0200
committerGitHub <noreply@github.com>2022-04-03 09:30:23 +0200
commit881aef21fd6ca3f3bcf0847587d4d6d86f3a69db (patch)
treed076384dedf423a4bb7c3d1507cb07281ebc2865 /frida_mode/test/cache/cache.c
parent1d4f1e48797c064ee71441ba555b29fc3f467983 (diff)
parentc4363dd8b3d19a3e4bab8bc1fca1708ae2ff7899 (diff)
downloadafl++-881aef21fd6ca3f3bcf0847587d4d6d86f3a69db.tar.gz
Merge pull request #1362 from AFLplusplus/dev
push to stable
Diffstat (limited to 'frida_mode/test/cache/cache.c')
-rw-r--r--frida_mode/test/cache/cache.c115
1 files changed, 115 insertions, 0 deletions
diff --git a/frida_mode/test/cache/cache.c b/frida_mode/test/cache/cache.c
new file mode 100644
index 00000000..b4102205
--- /dev/null
+++ b/frida_mode/test/cache/cache.c
@@ -0,0 +1,115 @@
+#include <fcntl.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+void LLVMFuzzerTestOneInput(char *buf, int len);
+
+__asm__ (
+ "LLVMFuzzerTestOneInput:\n"
+ ".func LLVMFuzzerTestOneInput\n"
+ ".global LLVMFuzzerTestOneInput\n"
+ " jmpq *jmp_offset(%rip)\n"
+ " nop\n"
+ " nop\n"
+ "call_target:\n"
+ " ret\n"
+ " nop\n"
+ " nop\n"
+ "jmp_target:\n"
+ " callq *call_offset(%rip)\n"
+ " nop\n"
+ " nop\n"
+ " leaq rax_offset(%rip), %rax\n"
+ " jmp (%rax)\n"
+ " nop\n"
+ " ud2\n"
+ " nop\n"
+ "rax_target:\n"
+ " ret\n"
+ "\n"
+ "\n"
+ ".global jmp_offset\n"
+ ".p2align 3\n"
+ "jmp_offset:\n"
+ " .quad jmp_target\n"
+ "call_offset:\n"
+ " .quad call_target\n"
+ "rax_offset:\n"
+ " .quad rax_target\n"
+);
+
+int main(int argc, char **argv) {
+
+ char * file;
+ int fd = -1;
+ off_t len;
+ char * buf = NULL;
+ size_t n_read;
+ int result = -1;
+
+ if (argc != 2) { return 1; }
+
+ do {
+
+ file = argv[1];
+
+ dprintf(STDERR_FILENO, "Running: %s\n", file);
+
+ fd = open(file, O_RDONLY);
+ if (fd < 0) {
+
+ perror("open");
+ break;
+
+ }
+
+ len = lseek(fd, 0, SEEK_END);
+ if (len < 0) {
+
+ perror("lseek (SEEK_END)");
+ break;
+
+ }
+
+ if (lseek(fd, 0, SEEK_SET) != 0) {
+
+ perror("lseek (SEEK_SET)");
+ break;
+
+ }
+
+ buf = (char *)malloc(len);
+ if (buf == NULL) {
+
+ perror("malloc");
+ break;
+
+ }
+
+ n_read = read(fd, buf, len);
+ if (n_read != len) {
+
+ perror("read");
+ break;
+
+ }
+
+ dprintf(STDERR_FILENO, "Running: %s: (%zd bytes)\n", file, n_read);
+
+ LLVMFuzzerTestOneInput(buf, len);
+ dprintf(STDERR_FILENO, "Done: %s: (%zd bytes)\n", file, n_read);
+
+ result = 0;
+
+ } while (false);
+
+ if (buf != NULL) { free(buf); }
+
+ if (fd != -1) { close(fd); }
+
+ return result;
+
+}
+