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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:30:35 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:30:35 +0000
commit378c18e5f024ac5a8aef4cb40d7c9aa9633d144c (patch)
tree44dfb6ca500d32cabd450649b322a42e70a30683 /libmount/src/fuzz.c
parentInitial commit. (diff)
downloadutil-linux-378c18e5f024ac5a8aef4cb40d7c9aa9633d144c.tar.xz
util-linux-378c18e5f024ac5a8aef4cb40d7c9aa9633d144c.zip
Adding upstream version 2.38.1.upstream/2.38.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--libmount/src/fuzz.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/libmount/src/fuzz.c b/libmount/src/fuzz.c
new file mode 100644
index 0000000..2c84714
--- /dev/null
+++ b/libmount/src/fuzz.c
@@ -0,0 +1,35 @@
+#include "fuzz.h"
+#include "xalloc.h"
+#include "mountP.h"
+
+#include <stdlib.h>
+#include <stddef.h>
+#include <stdint.h>
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+ struct libmnt_table *tb = NULL;
+ FILE *f = NULL;
+
+ if (size == 0)
+ return 0;
+
+ // 128Kb should be enough to trigger all the issues we're interested in
+ if (size > 131072)
+ return 0;
+
+ tb = mnt_new_table();
+ if (!tb)
+ err_oom();
+
+ f = fmemopen((char*) data, size, "re");
+ if (!f)
+ err(EXIT_FAILURE, "fmemopen() failed");
+
+ mnt_table_enable_comments(tb, TRUE);
+ (void) mnt_table_parse_stream(tb, f, "mountinfo");
+
+ mnt_unref_table(tb);
+ fclose(f);
+
+ return 0;
+}