Messages in this thread | | | Subject | Re: [LKP] [ima] 8eb613c0b8: stress-ng.icache.ops_per_sec -84.2% regression | From | Mimi Zohar <> | Date | Thu, 11 Jun 2020 06:53:31 -0400 |
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On Thu, 2020-06-11 at 15:10 +0800, Xing Zhengjun wrote: > On 6/10/2020 9:53 PM, Mimi Zohar wrote: > ucode: 0x500002c > > > > Does the following change resolve it? > > > > diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c > > index c44414a7f82e..78e1dfc8a3f2 100644 > > --- a/security/integrity/ima/ima_main.c > > +++ b/security/integrity/ima/ima_main.c > > @@ -426,7 +426,8 @@ 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); > > > Thanks. I test the change, it can resolve the regression.
Thanks! Can I get your "Tested-by" tag?
Mimi
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