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authorRiccardo Spagni <ric@spagni.net>2019-03-21 14:47:43 +0200
committerRiccardo Spagni <ric@spagni.net>2019-03-21 14:47:43 +0200
commit39107e18d5603046bbb301538986e5334547d42a (patch)
tree9851fa4affe668d24101b8b18c86d11be9153304 /src/crypto/slow-hash.c
parentMerge pull request #5250 (diff)
parentcrypto: fix PaX issue on NetBSD with CNv4 JIT (diff)
downloadmonero-39107e18d5603046bbb301538986e5334547d42a.tar.xz
Merge pull request #5251
7632dede crypto: fix PaX issue on NetBSD with CNv4 JIT (moneromooo-monero) 89b1630e gtest: build fix for NetBSD (moneromooo-monero) fa43b547 tests: handle any cmake detected python interpreter (moneromooo-monero)
Diffstat (limited to 'src/crypto/slow-hash.c')
-rw-r--r--src/crypto/slow-hash.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/src/crypto/slow-hash.c b/src/crypto/slow-hash.c
index 449cd7a38..947c10676 100644
--- a/src/crypto/slow-hash.c
+++ b/src/crypto/slow-hash.c
@@ -756,10 +756,10 @@ void slow_hash_allocate_state(void)
#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || \
defined(__DragonFly__) || defined(__NetBSD__)
hp_state = mmap(0, MEMORY, PROT_READ | PROT_WRITE,
- MAP_PRIVATE | MAP_ANON, 0, 0);
+ MAP_PRIVATE | MAP_ANON, -1, 0);
#else
hp_state = mmap(0, MEMORY, PROT_READ | PROT_WRITE,
- MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB, 0, 0);
+ MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB, -1, 0);
#endif
if(hp_state == MAP_FAILED)
hp_state = NULL;
@@ -778,11 +778,16 @@ void slow_hash_allocate_state(void)
#else
#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || \
defined(__DragonFly__) || defined(__NetBSD__)
- hp_jitfunc_memory = mmap(0, 4096 + 4095, PROT_READ | PROT_WRITE | PROT_EXEC,
- MAP_PRIVATE | MAP_ANON, 0, 0);
+#ifdef __NetBSD__
+#define RESERVED_FLAGS PROT_MPROTECT(PROT_EXEC)
#else
- hp_jitfunc_memory = mmap(0, 4096 + 4095, PROT_READ | PROT_WRITE | PROT_EXEC,
- MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
+#define RESERVED_FLAGS 0
+#endif
+ hp_jitfunc_memory = mmap(0, 4096 + 4096, PROT_READ | PROT_WRITE | RESERVED_FLAGS,
+ MAP_PRIVATE | MAP_ANON, -1, 0);
+#else
+ hp_jitfunc_memory = mmap(0, 4096 + 4096, PROT_READ | PROT_WRITE | PROT_EXEC,
+ MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
#endif
if(hp_jitfunc_memory == MAP_FAILED)
hp_jitfunc_memory = NULL;
@@ -794,9 +799,6 @@ void slow_hash_allocate_state(void)
hp_jitfunc_memory = malloc(4096 + 4095);
}
hp_jitfunc = (v4_random_math_JIT_func)((size_t)(hp_jitfunc_memory + 4095) & ~4095);
-#if !(defined(_MSC_VER) || defined(__MINGW32__))
- mprotect(hp_jitfunc, 4096, PROT_READ | PROT_WRITE | PROT_EXEC);
-#endif
}
/**