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nexedi
linux
Commits
efe5ebcc
Commit
efe5ebcc
authored
Oct 26, 2003
by
David S. Miller
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[IPV6]: Do not virt_to_page() on stack addresses, fixes OOPS.
parent
3d68e788
Changes
2
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2 changed files
with
9 additions
and
9 deletions
+9
-9
include/net/if_inet6.h
include/net/if_inet6.h
+2
-0
net/ipv6/addrconf.c
net/ipv6/addrconf.c
+7
-9
No files found.
include/net/if_inet6.h
View file @
efe5ebcc
...
...
@@ -175,6 +175,8 @@ struct inet6_dev
u8
entropy
[
8
];
struct
timer_list
regen_timer
;
struct
inet6_ifaddr
*
tempaddr_list
;
__u8
work_eui64
[
8
];
__u8
work_digest
[
16
];
#endif
struct
neigh_parms
*
nd_parms
;
...
...
net/ipv6/addrconf.c
View file @
efe5ebcc
...
...
@@ -1109,24 +1109,22 @@ static int ipv6_inherit_eui64(u8 *eui, struct inet6_dev *idev)
static
int
__ipv6_regen_rndid
(
struct
inet6_dev
*
idev
)
{
struct
net_device
*
dev
;
u8
eui64
[
8
];
u8
digest
[
16
];
struct
scatterlist
sg
[
2
];
sg
[
0
].
page
=
virt_to_page
(
idev
->
entropy
);
sg
[
0
].
offset
=
offset_in_page
(
idev
->
entropy
);
sg
[
0
].
length
=
8
;
sg
[
1
].
page
=
virt_to_page
(
eui64
);
sg
[
1
].
offset
=
offset_in_page
(
eui64
);
sg
[
1
].
page
=
virt_to_page
(
idev
->
work_
eui64
);
sg
[
1
].
offset
=
offset_in_page
(
idev
->
work_
eui64
);
sg
[
1
].
length
=
8
;
dev
=
idev
->
dev
;
if
(
ipv6_generate_eui64
(
eui64
,
dev
))
{
if
(
ipv6_generate_eui64
(
idev
->
work_
eui64
,
dev
))
{
printk
(
KERN_INFO
"__ipv6_regen_rndid(idev=%p): cannot get EUI64 identifier; use random bytes.
\n
"
,
idev
);
get_random_bytes
(
eui64
,
sizeof
(
eui64
));
get_random_bytes
(
idev
->
work_eui64
,
sizeof
(
idev
->
work_
eui64
));
}
regen:
spin_lock
(
&
md5_tfm_lock
);
...
...
@@ -1136,12 +1134,12 @@ static int __ipv6_regen_rndid(struct inet6_dev *idev)
}
crypto_digest_init
(
md5_tfm
);
crypto_digest_update
(
md5_tfm
,
sg
,
2
);
crypto_digest_final
(
md5_tfm
,
digest
);
crypto_digest_final
(
md5_tfm
,
idev
->
work_
digest
);
spin_unlock
(
&
md5_tfm_lock
);
memcpy
(
idev
->
rndid
,
&
digest
[
0
],
8
);
memcpy
(
idev
->
rndid
,
&
idev
->
work_
digest
[
0
],
8
);
idev
->
rndid
[
0
]
&=
~
0x02
;
memcpy
(
idev
->
entropy
,
&
digest
[
8
],
8
);
memcpy
(
idev
->
entropy
,
&
idev
->
work_
digest
[
8
],
8
);
/*
* <draft-ietf-ipngwg-temp-addresses-v2-00.txt>:
...
...
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