Re: [PATCH stable 6.12 0/9] Kunit backports for older systems

[Greg KH <gregkh@linuxfoundation.org>]

On Fri, Jul 24, 2026 at 02:41:10PM -0700, Florian Fainelli wrote:
> This patch series addresses an issue we encountered on older Ubuntu
> 20.04.6 LTS servers whereby running Kunit would not return to a prompt
> and it would not be possible to Ctrl-C the running session either.
> 
> Benjamin Berg (2):
>   um: Set parent death signal for winch thread/process
>   um: Set parent death signal for userspace process
> 
> David Gow (1):
>   kunit: tool: Terminate kernel under test on SIGINT
> 
> Shuvam Pandey (1):
>   kunit: tool: skip stty when stdin is not a tty
> 
> Tiwei Bie (5):
>   um: Add os_set_pdeathsig helper function
>   um: Use os_set_pdeathsig helper in winch thread/process
>   um: Set parent-death signal for ubd io thread/process
>   um: Set parent-death signal for write_sigio thread/process
>   um: Preserve errno within signal handler
> 
>  arch/um/drivers/chan_user.c            |  2 ++
>  arch/um/drivers/ubd_kern.c             |  1 +
>  arch/um/include/shared/os.h            |  2 ++
>  arch/um/os-Linux/process.c             |  6 ++++
>  arch/um/os-Linux/sigio.c               |  1 +
>  arch/um/os-Linux/signal.c              |  3 ++
>  arch/um/os-Linux/skas/process.c        |  3 ++
>  tools/testing/kunit/kunit_kernel.py    | 39 +++++++++++++++++-------
>  tools/testing/kunit/kunit_tool_test.py | 42 ++++++++++++++++++++++++++
>  9 files changed, 88 insertions(+), 11 deletions(-)
> 
> -- 
> 2.34.1
> 
> 

Many of these are not in newer stable kernel versions.  So can you send
patches for 6.12 and all newer branches (i.e. 6.18.y and 7.1.y) for the
missing patches for them, and then resend this 6.12.y series and we will
be glad to queue this up then.

thanks,

greg k-h