diff options
Diffstat (limited to 'executor/executor_bsd.h')
| -rw-r--r-- | executor/executor_bsd.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/executor/executor_bsd.h b/executor/executor_bsd.h index 0eb76c588..b7cbdd4f5 100644 --- a/executor/executor_bsd.h +++ b/executor/executor_bsd.h @@ -120,6 +120,8 @@ static void cover_mmap(cover_t* cov) static void cover_protect(cover_t* cov) { + if (cov->data == NULL) + fail("cover_protect invoked on an unmapped cover_t object"); #if GOOS_freebsd size_t mmap_alloc_size = kCoverSize * KCOV_ENTRY_SIZE; long page_size = sysconf(_SC_PAGESIZE); @@ -139,6 +141,8 @@ static void cover_protect(cover_t* cov) static void cover_unprotect(cover_t* cov) { + if (cov->data == NULL) + fail("cover_unprotect invoked on an unmapped cover_t object"); #if GOOS_freebsd size_t mmap_alloc_size = kCoverSize * KCOV_ENTRY_SIZE; mprotect(cov->data, mmap_alloc_size, PROT_READ | PROT_WRITE); |