From: Florian Westphal fw@strlen.de

[ Upstream commit c21b02fd9cbf15aed6e32c89e0fd70070281e3d1 ]

These scripts fail if the kernel is tainted which leads to wrong test failure reports in CI environments when an unrelated test triggers some splat.

Check taint state at start of script and SKIP if its already dodgy.

Signed-off-by: Florian Westphal fw@strlen.de Signed-off-by: Pablo Neira Ayuso pablo@netfilter.org Signed-off-by: Sasha Levin sashal@kernel.org --- tools/testing/selftests/net/netfilter/br_netfilter.sh | 7 +++++++ .../testing/selftests/net/netfilter/br_netfilter_queue.sh | 7 +++++++ tools/testing/selftests/net/netfilter/nft_queue.sh | 1 + 3 files changed, 15 insertions(+)

diff --git a/tools/testing/selftests/net/netfilter/br_netfilter.sh b/tools/testing/selftests/net/netfilter/br_netfilter.sh index c28379a965d83..1559ba275105e 100755 --- a/tools/testing/selftests/net/netfilter/br_netfilter.sh +++ b/tools/testing/selftests/net/netfilter/br_netfilter.sh @@ -13,6 +13,12 @@ source lib.sh

checktool "nft --version" "run test without nft tool"

+read t < /proc/sys/kernel/tainted +if [ "$t" -ne 0 ];then + echo SKIP: kernel is tainted + exit $ksft_skip +fi + cleanup() { cleanup_all_ns } @@ -165,6 +171,7 @@ if [ "$t" -eq 0 ];then echo PASS: kernel not tainted else echo ERROR: kernel is tainted + dmesg ret=1 fi

diff --git a/tools/testing/selftests/net/netfilter/br_netfilter_queue.sh b/tools/testing/selftests/net/netfilter/br_netfilter_queue.sh index 6a764d70ab06f..4788641717d93 100755 --- a/tools/testing/selftests/net/netfilter/br_netfilter_queue.sh +++ b/tools/testing/selftests/net/netfilter/br_netfilter_queue.sh @@ -4,6 +4,12 @@ source lib.sh

checktool "nft --version" "run test without nft tool"

+read t < /proc/sys/kernel/tainted +if [ "$t" -ne 0 ];then + echo SKIP: kernel is tainted + exit $ksft_skip +fi + cleanup() { cleanup_all_ns } @@ -72,6 +78,7 @@ if [ "$t" -eq 0 ];then echo PASS: kernel not tainted else echo ERROR: kernel is tainted + dmesg exit 1 fi

diff --git a/tools/testing/selftests/net/netfilter/nft_queue.sh b/tools/testing/selftests/net/netfilter/nft_queue.sh index 785e3875a6da4..784d1b46912b0 100755 --- a/tools/testing/selftests/net/netfilter/nft_queue.sh +++ b/tools/testing/selftests/net/netfilter/nft_queue.sh @@ -593,6 +593,7 @@ EOF echo "PASS: queue program exiting while packets queued" else echo "TAINT: queue program exiting while packets queued" + dmesg ret=1 fi }