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update xpm/core/xpm_security_hooks.c.

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Signed-off-by: 施运理 <shiyunli@huawei.com>
This commit is contained in:
施运理
2024-10-17 13:20:42 +00:00
committed by Gitee
parent 05e1fad4ed
commit 557bf02b5a
1 changed files with 2 additions and 9 deletions
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xpm/core/xpm_security_hooks.c
+2 -9
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@@ -309,21 +309,14 @@ static int xpm_check_prot(struct vm_area_struct *vma, unsigned long prot)
/* check for xpm region vma prot */
if (vma->vm_flags & VM_XPM) {
if (is_anon) {
vma->vm_flags &= ~VM_XPM;
goto next_check;
}
if ((prot & PROT_WRITE) || (prot & PROT_EXEC)) {
xpm_log_error("xpm region mmap not allow write or exec permission");
report_mmap_event("xpm_check", TYPE_ABC, vma, prot);
if (is_anon || (prot & PROT_EXEC)) {
xpm_log_error("xpm region mmap not allow anonymous or exec permission");
return -EPERM;
}
return 0;
}
next_check:
/* check for anonymous vma prot, anonymous executable permission need
* controled by selinux
*/