diff options
| author | Kamil Rytarowski <krytarowski@users.noreply.github.com> | 2019-01-09 06:02:05 +0100 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2019-01-09 06:02:05 +0100 |
| commit | fe1c444d388089a487b4ce7d3ecd1e3f37b3d140 (patch) | |
| tree | 79698a27147d28a26d0c20b953fcd56892490c79 | |
| parent | 204b8f590633249fbd0ce26c25e99b2e9e0b305f (diff) | |
executor: adapt os_init() to NetBSD with PaX MPROTECT
Initialize syz data segment with protection allowed by PaX MPROTECT.
PROT_MPROTECT() registers future potential protection that is allowed
to be enabled in future.
| -rw-r--r-- | executor/executor_bsd.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/executor/executor_bsd.h b/executor/executor_bsd.h index 1095c2beb..298f22d95 100644 --- a/executor/executor_bsd.h +++ b/executor/executor_bsd.h @@ -15,6 +15,9 @@ static void os_init(int argc, char** argv, void* data, size_t data_size) #if GOOS_openbsd // W^X not allowed by default on OpenBSD. int prot = PROT_READ | PROT_WRITE; +#elif GOOS_netbsd + // W^X not allowed by default on NetBSD (PaX MPROTECT). + int prot = PROT_READ | PROT_WRITE | PROT_MPROTECT(PROT_EXEC); #else int prot = PROT_READ | PROT_WRITE | PROT_EXEC; #endif |