diff options
| author | Florian Westphal <fw@strlen.de> | 2019-06-17 16:02:28 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-09 10:17:59 +0100 |
| commit | 544d4b9fc42469a8dd5e05bc6cbce31d6848b0e0 (patch) | |
| tree | 0a40b68db5e4e7eddd5ad3e519214beac1a496e7 /tools | |
| parent | 72e77ea7b5935428d816124fb5a104a777410d51 (diff) | |
selftests: rtnetlink: add addresses with fixed life time
[ Upstream commit 3cfa148826e3c666da1cc2a43fbe8689e2650636 ]
This exercises kernel code path that deal with addresses that have
a limited lifetime.
Without previous fix, this triggers following crash on net-next:
BUG: KASAN: null-ptr-deref in check_lifetime+0x403/0x670
Read of size 8 at addr 0000000000000010 by task kworker [..]
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools')
| -rwxr-xr-x | tools/testing/selftests/net/rtnetlink.sh | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/rtnetlink.sh b/tools/testing/selftests/net/rtnetlink.sh index 891130daac7c..8a5066d98e72 100755 --- a/tools/testing/selftests/net/rtnetlink.sh +++ b/tools/testing/selftests/net/rtnetlink.sh @@ -195,6 +195,26 @@ kci_test_route_get() echo "PASS: route get" } +kci_test_addrlft() +{ + for i in $(seq 10 100) ;do + lft=$(((RANDOM%3) + 1)) + ip addr add 10.23.11.$i/32 dev "$devdummy" preferred_lft $lft valid_lft $((lft+1)) + check_err $? + done + + sleep 5 + + ip addr show dev "$devdummy" | grep "10.23.11." + if [ $? -eq 0 ]; then + echo "FAIL: preferred_lft addresses remaining" + check_err 1 + return + fi + + echo "PASS: preferred_lft addresses have expired" +} + kci_test_addrlabel() { ret=0 @@ -245,6 +265,7 @@ kci_test_rtnl() kci_test_polrouting kci_test_route_get + kci_test_addrlft kci_test_tc kci_test_gre kci_test_bridge |