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| author | Martin Sebor <msebor@redhat.com> | 2022-01-25 15:39:38 -0700 |
|---|---|---|
| committer | Martin Sebor <msebor@redhat.com> | 2022-01-26 10:38:23 -0700 |
| commit | c094c232eb3246154265bb035182f92fe1b17ab8 (patch) | |
| tree | 4b5d30d81c1870bbda23f9d079be4509fd4d2843 /malloc/tst-malloc-too-large.c | |
| parent | e4ba8fee1a8feea62f9f06099a116163848338db (diff) | |
| download | glibc-c094c232eb3246154265bb035182f92fe1b17ab8.tar.gz glibc-c094c232eb3246154265bb035182f92fe1b17ab8.tar.xz glibc-c094c232eb3246154265bb035182f92fe1b17ab8.zip | |
Avoid -Wuse-after-free in tests [BZ #26779].
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'malloc/tst-malloc-too-large.c')
| -rw-r--r-- | malloc/tst-malloc-too-large.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/malloc/tst-malloc-too-large.c b/malloc/tst-malloc-too-large.c index e23aa08e4f..dac3c8086c 100644 --- a/malloc/tst-malloc-too-large.c +++ b/malloc/tst-malloc-too-large.c @@ -95,7 +95,15 @@ test_large_allocations (size_t size) DIAG_POP_NEEDS_COMMENT; #endif TEST_VERIFY (errno == ENOMEM); +#if __GNUC_PREREQ (12, 0) + /* Ignore a warning about using a pointer made indeterminate by + a prior call to realloc(). */ + DIAG_IGNORE_NEEDS_COMMENT (12, "-Wuse-after-free"); +#endif free (ptr_to_realloc); +#if __GNUC_PREREQ (12, 0) + DIAG_POP_NEEDS_COMMENT; +#endif for (size_t nmemb = 1; nmemb <= 8; nmemb *= 2) if ((size % nmemb) == 0) @@ -113,14 +121,30 @@ test_large_allocations (size_t size) test_setup (); TEST_VERIFY (reallocarray (ptr_to_realloc, nmemb, size / nmemb) == NULL); TEST_VERIFY (errno == ENOMEM); +#if __GNUC_PREREQ (12, 0) + /* Ignore a warning about using a pointer made indeterminate by + a prior call to realloc(). */ + DIAG_IGNORE_NEEDS_COMMENT (12, "-Wuse-after-free"); +#endif free (ptr_to_realloc); +#if __GNUC_PREREQ (12, 0) + DIAG_POP_NEEDS_COMMENT; +#endif ptr_to_realloc = malloc (16); TEST_VERIFY_EXIT (ptr_to_realloc != NULL); test_setup (); TEST_VERIFY (reallocarray (ptr_to_realloc, size / nmemb, nmemb) == NULL); TEST_VERIFY (errno == ENOMEM); +#if __GNUC_PREREQ (12, 0) + /* Ignore a warning about using a pointer made indeterminate by + a prior call to realloc(). */ + DIAG_IGNORE_NEEDS_COMMENT (12, "-Wuse-after-free"); +#endif free (ptr_to_realloc); +#if __GNUC_PREREQ (12, 0) + DIAG_POP_NEEDS_COMMENT; +#endif } else break; |