Messages in this thread | | | Subject | Re: [LKP] [ima] 8eb613c0b8: stress-ng.icache.ops_per_sec -84.2% regression | From | Xing Zhengjun <> | Date | Fri, 12 Jun 2020 08:39:08 +0800 |
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On 6/11/2020 6:53 PM, Mimi Zohar wrote: > 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 >
Sure.
-- Zhengjun Xing
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