diff options
Diffstat (limited to 'exec')
| -rw-r--r-- | exec/exec.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/exec/exec.c b/exec/exec.c index 639564cb..f6788520 100644 --- a/exec/exec.c +++ b/exec/exec.c @@ -1335,11 +1335,12 @@ do_exec (file_t file, if (e.error) goto out; - /* It would probably be better to change mach_setup_thread so - it does a vm_map with the right permissions to start with. */ - if (!e.info.elf.execstack) + /* mach_setup_thread () creates non-executable stacks (with vm_allocate ()). + It would probably be better to change mach_setup_thread () so it does + a vm_map () with the right permissions to start with. */ + if (e.info.elf.execstack || (e.interp.section && interp.info.elf.execstack)) e.error = vm_protect (newtask, boot->stack_base, boot->stack_size, - 0, VM_PROT_READ | VM_PROT_WRITE); + 0, VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE); if (oldtask != newtask && oldtask != MACH_PORT_NULL) { |