diff options
Diffstat (limited to 'util')
| -rw-r--r-- | util/nvmutil/nvmutil.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index 37d7c632..2d602038 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -1860,6 +1860,10 @@ rw_file_exact(int fd, u8 *mem, size_t nrw, return -1; } + /* Prevent theoretical overflow */ + if (rv > nrw - rc) + goto err_rw_file_exact; + rc += (size_t)rv; } |