---

yaml --- r: 210550 b: refs/heads/master c: 1b52818 h: refs/heads/master v: v3
git-mirror · Sep 10, 2010 · 2bcd5c3 · 2bcd5c3
1 parent 5ead537
commit 2bcd5c3
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: be6200aac985e0a3db56ec636763a32f3e32e7f1
+refs/heads/master: 1b528181b2ffa14721fb28ad1bd539fe1732c583
diff --git a/trunk/fs/exec.c b/trunk/fs/exec.c
@@ -594,6 +594,11 @@ int setup_arg_pages(struct linux_binprm *bprm,
 #else
 	stack_top = arch_align_stack(stack_top);
 	stack_top = PAGE_ALIGN(stack_top);
+
+	if (unlikely(stack_top < mmap_min_addr) ||
+	    unlikely(vma->vm_end - vma->vm_start >= stack_top - mmap_min_addr))
+		return -ENOMEM;
+
 	stack_shift = vma->vm_end - stack_top;
 
 	bprm->p -= stack_shift;