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selftests: rtnetlink: add addresses with fixed life time
[ Upstream commit 3cfa148826
]
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>
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1 changed files with 21 additions and 0 deletions
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@ -234,6 +234,26 @@ kci_test_route_get()
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echo "PASS: route get"
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}
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kci_test_addrlft()
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{
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for i in $(seq 10 100) ;do
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lft=$(((RANDOM%3) + 1))
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ip addr add 10.23.11.$i/32 dev "$devdummy" preferred_lft $lft valid_lft $((lft+1))
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check_err $?
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done
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sleep 5
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ip addr show dev "$devdummy" | grep "10.23.11."
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if [ $? -eq 0 ]; then
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echo "FAIL: preferred_lft addresses remaining"
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check_err 1
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return
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fi
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echo "PASS: preferred_lft addresses have expired"
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}
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kci_test_addrlabel()
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{
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ret=0
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@ -965,6 +985,7 @@ kci_test_rtnl()
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kci_test_polrouting
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kci_test_route_get
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kci_test_addrlft
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kci_test_tc
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kci_test_gre
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kci_test_gretap
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