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(parent: e4addd4) | patch
net: ipv6: fix use after free of struct seg6_pernet_data
authorMichelleJin <shjy180909@gmail.com>
Sat, 2 Oct 2021 22:33:32 +0000 (22:33 +0000)
committerDavid S. Miller <davem@davemloft.net>
Mon, 4 Oct 2021 12:40:19 +0000 (13:40 +0100)
commit23b08260481ca552180130bbef0f3a60df4c092e
tree302f93cb80d0f8e9e6d7fd9355f32ca6bd66aeactree
parente4addd4ed9b91e75fe0f58eecb0d24c60f357d1fcommit | diff
net: ipv6: fix use after free of struct seg6_pernet_data

sdata->tun_src should be freed before sdata is freed
because sdata->tun_src is allocated after sdata allocation.
So, kfree(sdata) and kfree(rcu_dereference_raw(sdata->tun_src)) are
changed code order.

Fixes: f04ed7d277e8 ("net: ipv6: check return value of rhashtable_init")
Signed-off-by: MichelleJin <shjy180909@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv6/seg6.c diff | blob | history
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