diff options
Diffstat (limited to 'src/3rdparty/pcre2/src/sljit/sljitWXExecAllocator.c')
| -rw-r--r-- | src/3rdparty/pcre2/src/sljit/sljitWXExecAllocator.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/3rdparty/pcre2/src/sljit/sljitWXExecAllocator.c b/src/3rdparty/pcre2/src/sljit/sljitWXExecAllocator.c index 6ef71f7d83..72d5b8dd2b 100644 --- a/src/3rdparty/pcre2/src/sljit/sljitWXExecAllocator.c +++ b/src/3rdparty/pcre2/src/sljit/sljitWXExecAllocator.c @@ -121,14 +121,18 @@ SLJIT_API_FUNC_ATTRIBUTE void* sljit_malloc_exec(sljit_uw size) static pthread_mutex_t se_lock = PTHREAD_MUTEX_INITIALIZER; #endif static int se_protected = !SLJIT_PROT_WX; + int prot = PROT_READ | PROT_WRITE | SLJIT_PROT_WX; sljit_uw* ptr; if (SLJIT_UNLIKELY(se_protected < 0)) return NULL; +#ifdef PROT_MAX + prot |= PROT_MAX(PROT_READ | PROT_WRITE | PROT_EXEC); +#endif + size += sizeof(sljit_uw); - ptr = (sljit_uw*)mmap(NULL, size, PROT_READ | PROT_WRITE | SLJIT_PROT_WX, - MAP_PRIVATE | MAP_ANON, -1, 0); + ptr = (sljit_uw*)mmap(NULL, size, prot, MAP_PRIVATE | MAP_ANON, -1, 0); if (ptr == MAP_FAILED) return NULL; |