diff options
Diffstat (limited to 'kernel/exec.c')
| -rw-r--r-- | kernel/exec.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/exec.c b/kernel/exec.c index 09b4bdc..3c468e1 100644 --- a/kernel/exec.c +++ b/kernel/exec.c @@ -49,7 +49,7 @@ exec(char *path, char **argv) if(ph.vaddr + ph.memsz < ph.vaddr) goto bad; uint64 sz1; - if((sz1 = uvmalloc(pagetable, sz, ph.vaddr + ph.memsz)) == 0) + if((sz1 = uvmalloc(pagetable, sz, ph.vaddr + ph.memsz, PTE_X|PTE_W)) == 0) goto bad; sz = sz1; if((ph.vaddr % PGSIZE) != 0) @@ -69,7 +69,7 @@ exec(char *path, char **argv) // Use the second as the user stack. sz = PGROUNDUP(sz); uint64 sz1; - if((sz1 = uvmalloc(pagetable, sz, sz + 2*PGSIZE)) == 0) + if((sz1 = uvmalloc(pagetable, sz, sz + 2*PGSIZE, PTE_W)) == 0) goto bad; sz = sz1; uvmclear(pagetable, sz-2*PGSIZE); |