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D42440.id129645.diff
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D42440.id129645.diff
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diff --git a/sys/kern/imgact_elf.c b/sys/kern/imgact_elf.c
--- a/sys/kern/imgact_elf.c
+++ b/sys/kern/imgact_elf.c
@@ -862,6 +862,9 @@
if (error != 0)
goto fail;
+ if (p->p_sysent->sv_protect != NULL)
+ p->p_sysent->sv_protect(imgp, 0);
+
*addr = base_addr;
*entry = (unsigned long)hdr->e_entry + rbase;
@@ -1369,6 +1372,9 @@
entry = (u_long)hdr->e_entry + imgp->et_dyn_addr;
imgp->entry_addr = entry;
+ if (sv->sv_protect != NULL)
+ sv->sv_protect(imgp, 1);
+
if (interp != NULL) {
VOP_UNLOCK(imgp->vp);
if ((map->flags & MAP_ASLR) != 0) {
diff --git a/sys/sys/sysent.h b/sys/sys/sysent.h
--- a/sys/sys/sysent.h
+++ b/sys/sys/sysent.h
@@ -149,6 +149,7 @@
vm_offset_t sv_fxrng_gen_offset;
void (*sv_onexec_old)(struct thread *td);
int (*sv_onexec)(struct proc *, struct image_params *);
+ void (*sv_protect)(struct image_params *, int);
void (*sv_onexit)(struct proc *);
void (*sv_ontdexit)(struct thread *td);
int (*sv_setid_allowed)(struct thread *td,
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D42440.id129645.diff (1002 B)
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D42440: sysent: Add sv_protect
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