Adding upstream version 2.39.3.upstream/2.39.3

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 52 insertions, 0 deletions

diff --git a/libblkid/src/fuzz.c b/libblkid/src/fuzz.c
new file mode 100644
index 0000000..772340b
--- /dev/null
+++ b/libblkid/src/fuzz.c
@@ -0,0 +1,52 @@
+#include "blkidP.h"
+#include "fuzz.h"
+
+#include <stdlib.h>
+#include <unistd.h>
+
+static int process_file(const char *name)
+{
+    int rc = -1;
+    blkid_probe pr = blkid_new_probe_from_filename(name);
+    if (pr != NULL) {
+        blkid_probe_enable_partitions(pr, TRUE);
+        blkid_probe_set_partitions_flags(pr, FALSE);
+        blkid_probe_enable_superblocks(pr, TRUE);
+        blkid_probe_set_superblocks_flags(pr, BLKID_SUBLKS_DEFAULT | BLKID_SUBLKS_FSINFO | BLKID_SUBLKS_MAGIC | BLKID_SUBLKS_VERSION | BLKID_SUBLKS_BADCSUM);
+        rc = blkid_do_safeprobe(pr) == -1 ? -1 : 0;
+    }
+    blkid_free_probe(pr);
+    return rc;
+}
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+    int fd;
+    char name[] = "/tmp/test-script-fuzz.XXXXXX";
+
+    fd = mkostemp(name, O_RDWR|O_CREAT|O_EXCL|O_CLOEXEC);
+    if (fd == -1)
+        err(EXIT_FAILURE, "mkostemp() failed");
+
+    if (write(fd, data, size) != (ssize_t)size)
+        goto out;
+
+    process_file(name);
+out:
+    close(fd);
+    unlink(name);
+    return 0;
+}
+
+#ifndef FUZZ_TARGET
+int main(int argc, char **argv)
+{
+    for (int i = 1; i < argc; i++) {
+        printf("%s ", argv[i]);
+        if (process_file(argv[i]) == 0)
+            printf(" OK\n");
+        else
+            printf(" FAILED\n");
+
+    }
+}
+#endif