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struct xfrmdev_ops
There are two pointers in struct xfrm_state_offload, *dev, *real_dev.
These are used in callback functions of struct xfrmdev_ops.
The *dev points whether bonding interface or real interface.
If bonding ipsec offload is used, it points bonding interface If not,
it points real interface.
And real_dev always points real interface.
So, netdevsim should always use real_dev instead of dev.
Of course, real_dev always not be null.
Test commands:
ip netns add A
ip netns exec A bash
modprobe netdevsim
echo "1 1" > /sys/bus/netdevsim/new_device
ip link add bond0 type bond mode active-backup
ip link set eth0 master bond0
ip link set eth0 up
ip link set bond0 up
ip x s add proto esp dst 14.1.1.1 src 15.1.1.1 spi 0x07 mode \
transport reqid 0x07 replay-window 32 aead 'rfc4106(gcm(aes))' \
0x44434241343332312423222114131211f4f3f2f1 128 sel src 14.0.0.52/24 \
dst 14.0.0.70/24 proto tcp offload dev bond0 dir in
Splat looks like:
BUG: spinlock bad magic on CPU#5, kworker/5:1/53
lock: 0xffff8881068c2cc8, .magic: 11121314, .owner: <none>/-1,
.owner_cpu: -235736076
CPU: 5 PID: 53 Comm: kworker/5:1 Not tainted 5.13.0-rc3+ #1168
Workqueue: events linkwatch_event
Call Trace:
dump_stack+0xa4/0xe5
do_raw_spin_lock+0x20b/0x270
? rwlock_bug.part.1+0x90/0x90
_raw_spin_lock_nested+0x5f/0x70
bond_get_stats+0xe4/0x4c0 [bonding]
? rcu_read_lock_sched_held+0xc0/0xc0
? bond_neigh_init+0x2c0/0x2c0 [bonding]
? dev_get_alias+0xe2/0x190
? dev_get_port_parent_id+0x14a/0x360
? rtnl_unregister+0x190/0x190
? dev_get_phys_port_name+0xa0/0xa0
? memset+0x1f/0x40
? memcpy+0x38/0x60
? rtnl_phys_switch_id_fill+0x91/0x100
dev_get_stats+0x8c/0x270
rtnl_fill_stats+0x44/0xbe0
? nla_put+0xbe/0x140
rtnl_fill_ifinfo+0x1054/0x3ad0
[ ... ]
Fixes: 272c2330adc9 ("xfrm: bail early on slave pass over skb")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit. Fix it by replacing with scnprintf().
Cc: "David S . Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove the existing way to create netdevsim over rtnetlink and move the
netdev creation/destruction to dev probe, so for every probed port,
a netdevsim-netdev instance is created.
Adjust selftests to work with new interface.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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... so this won't have to be changed when skb->sp goes away.
v2: no changes, preserve ack.
Acked-by: Shannon Nelson <shannon.lee.nelson@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently if sa_idx is equal to NSIM_IPSEC_MAX_SA_COUNT then
an out-of-bounds read on ipsec->sa will occur. Fix the
incorrect bounds check by using >= rather than >.
Detected by CoverityScan, CID#1470226 ("Out-of-bounds-read")
Fixes: 7699353da875 ("netdevsim: add ipsec offload testing")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Shannon Nelson <shannon.nelson@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implement the IPsec/XFRM offload API for testing.
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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