APPLIED/Cmnt: [SRU][Q][PATCH 0/1] selftests: net: use BASH for bareudp testing

[Stefan Bader]

On 24/12/2025 10:00, Po-Hsu Lin wrote:
> BugLink: https://bugs.launchpad.net/bugs/2129812
> 
> [ Impact ]
> In bareudp.sh, this script uses /bin/sh and it will load another lib.sh
> BASH script at the very beginning.
> 
> But on some operating systems like Ubuntu, /bin/sh is actually pointed to
> DASH, thus it will try to run BASH commands with DASH and consequently
> leads to syntax issues:
>    # ./bareudp.sh: 4: ./lib.sh: Bad substitution
>    # ./bareudp.sh: 5: ./lib.sh: source: not found
>    # ./bareudp.sh: 24: ./lib.sh: Syntax error: "(" unexpected
> 
> Fix this by explicitly using BASH for bareudp.sh. This fixes test
> execution failures on systems where /bin/sh is not BASH.
> 
> [ Test Plan ]
> Run the bareudp.sh with this patch applied, the syntax issues above will
> be fixed and the test can proceed.
> 
> [ Where problems could occur ]
> The change has been applied upstream and 6.17.10, it can be cherry-picked
> the scope is limited to the test script itself, with no functional changes
> to the kernel.
> We may discover new failures through this test. Even if this change is
> incorrect, it should not make anything worse, as the test has already
> been blocked by this syntax issue.
> 
> Po-Hsu Lin (1):
>    selftests: net: use BASH for bareudp testing
> 
>   tools/testing/selftests/net/bareudp.sh | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 


Applied to questing:linux/master-next (adding a BugLink line). Thanks.

-Stefan

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