diff options
Diffstat (limited to 'sys/kern/imgact_aout.c')
| -rw-r--r-- | sys/kern/imgact_aout.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/kern/imgact_aout.c b/sys/kern/imgact_aout.c index 9478eb3..8becda3 100644 --- a/sys/kern/imgact_aout.c +++ b/sys/kern/imgact_aout.c @@ -171,6 +171,7 @@ exec_aout_imgact(imgp) if (error) return (error); + mtx_lock(&vm_mtx); /* * Destroy old process VM and create a new one (with a new stack) */ @@ -184,7 +185,9 @@ exec_aout_imgact(imgp) vp = imgp->vp; map = &vmspace->vm_map; vm_map_lock(map); + mtx_unlock(&vm_mtx); VOP_GETVOBJECT(vp, &object); + mtx_lock(&vm_mtx); vm_object_reference(object); text_end = virtual_offset + a_out->a_text; @@ -195,6 +198,7 @@ exec_aout_imgact(imgp) MAP_COPY_ON_WRITE | MAP_PREFAULT); if (error) { vm_map_unlock(map); + mtx_unlock(&vm_mtx); return (error); } data_end = text_end + a_out->a_data; @@ -207,6 +211,7 @@ exec_aout_imgact(imgp) MAP_COPY_ON_WRITE | MAP_PREFAULT); if (error) { vm_map_unlock(map); + mtx_unlock(&vm_mtx); return (error); } } @@ -217,6 +222,7 @@ exec_aout_imgact(imgp) VM_PROT_ALL, VM_PROT_ALL, 0); if (error) { vm_map_unlock(map); + mtx_unlock(&vm_mtx); return (error); } } @@ -229,6 +235,8 @@ exec_aout_imgact(imgp) vmspace->vm_daddr = (caddr_t) (uintptr_t) (virtual_offset + a_out->a_text); + mtx_unlock(&vm_mtx); + /* Fill in image_params */ imgp->interpreted = 0; imgp->entry_addr = a_out->a_entry; |
