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selftests: net: use BASH for bareudp testing

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[ Upstream commit 9311e9540a ]

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.

Reported-by: Edoardo Canepa <edoardo.canepa@canonical.com>
Link: https://bugs.launchpad.net/bugs/2129812
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Link: https://patch.msgid.link/20251027095710.2036108-2-po-hsu.lin@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Po-Hsu Lin
2025-10-27 17:57:10 +08:00
committed by Greg Kroah-Hartman
parent 09c4f1a378
commit e8d7fa04c3
1 changed files with 1 additions and 1 deletions
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2
tools/testing/selftests/net/bareudp.sh
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@@ -1,4 +1,4 @@
#!/bin/sh
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Test various bareudp tunnel configurations.