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ima: mprotect performance fix

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Merge tag 'integrity-v5.8-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity

Pull integrity fix from Mimi Zohar:
 "ima mprotect performance fix"

* tag 'integrity-v5.8-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
  ima: fix mprotect checking
This commit is contained in:
Linus Torvalds 2020-06-12 12:02:41 -07:00
commit 923ea1631e
1 changed files with 2 additions and 1 deletions
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3
security/integrity/ima/ima_main.c
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@ -419,7 +419,8 @@ int ima_file_mprotect(struct vm_area_struct *vma, unsigned long prot)
int pcr;
/* Is mprotect making an mmap'ed file executable? */
if (!vma->vm_file || !(prot & PROT_EXEC) || (vma->vm_flags & VM_EXEC))
if (!(ima_policy_flag & IMA_APPRAISE) || !vma->vm_file ||
!(prot & PROT_EXEC) || (vma->vm_flags & VM_EXEC))
return 0;
security_task_getsecid(current, &secid);