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| author | Tarja Sundqvist <tarja.sundqvist@qt.io> | 2022-05-16 18:16:04 +0300 |
|---|---|---|
| committer | Tarja Sundqvist <tarja.sundqvist@qt.io> | 2022-05-16 18:16:04 +0300 |
| commit | 231d3670981a33ec42b91ad1cb33c1fc50551066 (patch) | |
| tree | b1ef1096f4e279baaa2ea0d2daf14b5c4185a82f /src/3rdparty/pcre2/src/sljit/sljitWXExecAllocator.c | |
| parent | ffdd372c7bbda62e9d937f406319f38e3e982774 (diff) | |
| parent | 8fc1a885d19a2dfb1a3a684aea1cfa41967e041f (diff) | |
Merge remote-tracking branch 'origin/tqtc/lts-5.15.5' into tqtc/lts-5.15-opensourcev5.15.5-lts-lgpl
Change-Id: I0cdb390124e783dc9cd832a9954baa76a0e9eb6b
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; |