Re: [Qemu-devel] qemu-iotests 232 fails when running the test as root user

[Farhan Ali]

On 11/29/2018 04:07 PM, Eric Blake wrote:
> On 11/29/18 3:03 PM, Farhan Ali wrote:
> > Hi,
> >
> > I am seeing a failure of the qemu-iotest number 232 when running the 
> > test as a root user. Is this the expected behavior?
> >
> > Here is the output of the failure:
>
> > -QEMU_PROG: -drive 
> > driver=file,file=TEST_DIR/t.IMGFMT,if=none,read-only=off,auto-read-only=off: 
> > Could not open 'TEST_DIR/t.IMGFMT': Permission denied
> > -NODE_NAME: TEST_DIR/t.IMGFMT (file, read-only)
> > -NODE_NAME: TEST_DIR/t.IMGFMT (file, read-only)
> > -
> > -QEMU_PROG: -drive 
> > driver=file,file=TEST_DIR/t.IMGFMT,if=none,auto-read-only=off: Could 
> > not open 'TEST_DIR/t.IMGFMT': Permission denied
> > -NODE_NAME: TEST_DIR/t.IMGFMT (file, read-only)
> > -NODE_NAME: TEST_DIR/t.IMGFMT (file, read-only)
> > +NODE_NAME: TEST_DIR/t.IMGFMT (file)
>
> Not entirely unexpected (since root can read what are otherwise 
> read-only files), but obviously unexpected by the test. The test should 
> probably refuse to run as root.

Yes, I believe it would be better if there was a check to prevent 
running this test as root.

Thanks
Farhan