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| author | Mike McTernan <mikemcternan@google.com> | 2022-11-30 14:23:35 +0000 |
|---|---|---|
| committer | Mike McTernan <mikemcternan@google.com> | 2022-12-01 11:59:35 +0000 |
| commit | 6d838ebf29c7044596c5cb0936693c05e9a7ae10 (patch) | |
| tree | 627bfbc2d3bde492b9f18bc39186f56c72c7d7b8 /tests | |
| parent | 67ce20e01a858c995bf0b3cb8a728b6e55b0b6ff (diff) | |
| download | libufdt-6d838ebf29c7044596c5cb0936693c05e9a7ae10.tar.gz | |
libufdt: Fix possible null pointer access if test program is fed bad input.
Test: mma libufdt_fuzzer && system/libufdt/tests/run_tests.sh
Change-Id: I20bb070da9192da0795f1bfc7d21d881780429f4
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/src/ufdt_overlay_test_app.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tests/src/ufdt_overlay_test_app.c b/tests/src/ufdt_overlay_test_app.c index d7c4437..e73158b 100644 --- a/tests/src/ufdt_overlay_test_app.c +++ b/tests/src/ufdt_overlay_test_app.c @@ -54,6 +54,11 @@ int apply_overlay_files(const char *out_filename, const char *base_filename, new_blob = ufdt_apply_overlay(blob, blob_len, overlay_buf, overlay_len); clock_t end = clock(); + if (!new_blob) { + fprintf(stderr, "ufdt_apply_overlay() returned null: bad input?\n"); + goto end; + } + if (write_fdt_to_file(out_filename, new_blob) != 0) { fprintf(stderr, "Write file error: %s\n", out_filename); goto end; |