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Author SHA1 Message Date
Christian Göttsche
33ed3027ab Fix two typos 2025-09-21 12:35:28 -04:00
Christian Göttsche
86dde60fcf ReadMe: adjust section about library location 2025-09-21 12:35:28 -04:00
charles25565
ff99511eb4 Update dependencies in README
Update from bookworm to trixie, updating GKIs, and changing to Android 16.
2025-09-17 11:03:53 -04:00
3 changed files with 13 additions and 10 deletions

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@ -65,14 +65,14 @@ used instead as this allocator fundamentally doesn't support that environment.
## Dependencies
Debian stable (currently Debian 12) determines the most ancient set of
Debian stable (currently Debian 13) determines the most ancient set of
supported dependencies:
* glibc 2.36
* Linux 6.1
* Clang 14.0.6 or GCC 12.2.0
* glibc 2.41
* Linux 6.12
* Clang 19.1.7 or GCC 14.2.0
For Android, the Linux GKI 5.10, 5.15 and 6.1 branches are supported.
For Android, the Linux GKI 6.1, 6.6 and 6.12 branches are supported.
However, using more recent releases is highly recommended. Older versions of
the dependencies may be compatible at the moment but are not tested and will
@ -83,7 +83,7 @@ there will be custom integration offering better performance in the future
along with other hardening for the C standard library implementation.
For Android, only the current generation, actively developed maintenance branch of the Android
Open Source Project will be supported, which currently means `android15-release`.
Open Source Project will be supported, which currently means `android16-release`.
## Testing
@ -159,8 +159,11 @@ line to the `/etc/ld.so.preload` configuration file:
The format of this configuration file is a whitespace-separated list, so it's
good practice to put each library on a separate line.
On Debian systems `libhardened_malloc.so` should be installed into `/usr/lib/`
to avoid preload failures caused by AppArmor profile restrictions.
For maximum compatibility `libhardened_malloc.so` can be installed into
`/usr/lib/` to avoid preload failures caused by AppArmor profiles or systemd
ExecPaths= restrictions. Check for logs of the following format:
ERROR: ld.so: object '/usr/local/lib/libhardened_malloc.so' from /etc/ld.so.preload cannot be preloaded (failed to map segment from shared object): ignored.
Using the `LD_PRELOAD` environment variable to load it on a case-by-case basis
will not work when `AT_SECURE` is set such as with setuid binaries. It's also

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@ -44,7 +44,7 @@ void *set_pointer_tag(void *ptr, u8 tag) {
return (void *) (((uintptr_t) tag << 56) | (uintptr_t) untag_pointer(ptr));
}
// This test checks that slab slot allocation uses tag that is distint from tags of its neighbors
// This test checks that slab slot allocation uses tag that is distinct from tags of its neighbors
// and from the tag of the previous allocation that used the same slot
void tag_distinctness() {
// tag 0 is reserved

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@ -98,7 +98,7 @@ class TestSimpleMemoryCorruption(unittest.TestCase):
self.assertEqual(stderr.decode("utf-8"),
"fatal allocator error: invalid free\n")
def test_invalid_malloc_usable_size_small_quarantene(self):
def test_invalid_malloc_usable_size_small_quarantine(self):
_stdout, stderr, returncode = self.run_test(
"invalid_malloc_usable_size_small_quarantine")
self.assertEqual(returncode, -6)