Re: [LTP] [linux-next:master] [tun/tap & vhost] d00c7369ef: ltp.ioctl03.fail

On Mon, Aug 17, 2026 at 09:39:26AM +0200, Simon Schippers wrote:
> On 8/17/26 03:34, kernel test robot wrote:
> > 
> > 
> > Hello,
> > 
> > kernel test robot noticed "ltp.ioctl03.fail" on:
> > 
> > commit: d00c7369ef24ac8e0383de0fd8ef3384de20bcfa ("tun/tap & vhost-net: stop tail-drop when IFF_BACKPRESSURE is set") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
> > 
> > [test failed on linux-next/master 4477a78374a57c3809b172ad30cceabda48c47c6]
> > ────────────────────────
> >       TEST SUMMARY
> > ────────────────────────
> > Suite:   syscalls-03
> > Runtime: 3m 4s
> > Runs:    186
> > 
> > Results:
> >     Passed:   2174
> >     Failed:   1
> >     Broken:   0
> >     Skipped:  222
> >     Warnings: 0
> > 
> >  [1;31mFailures: [0m
> >     • ioctl03
> 
> The same harmless report as before:
> 
> ioctl03.c does not know about IFF_BACKPRESSURE which is introduced here,
> consequently it fails.
> See [1] where it compares TUN features with known_flags.
> 
> Thanks.

Thanks for the response. I just noticed that it's reported before. Sorry
for the duplication.

> 
> [1] Link: https://github.com/linux-test-project/ltp/blob/master/testcases/kernel/syscalls/ioctl/ioctl03.c#L82
> 

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