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authorPatrick McHardy <kaber@trash.net>2006-05-03 23:20:27 -0700
committerDavid S. Miller <davem@davemloft.net>2006-05-03 23:20:27 -0700
commit7800007c1e2d42cd4120b87b0ba3f3480f17f30a (patch)
tree831514416c91adcf7bdf87b6c6fd8d7660e1883e /net/netfilter
parent7582e9d17edbabab6cbe59467c5d1b5e8c04fca8 (diff)
[NETFILTER]: x_tables: don't use __copy_{from,to}_user on unchecked memory in compat layer
Noticed by Linus Torvalds <torvalds@osdl.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netfilter')
-rw-r--r--net/netfilter/x_tables.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 17abf60f957..99293c63ff7 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -289,7 +289,7 @@ int xt_compat_match(void *match, void **dstptr, int *size, int convert)
case COMPAT_TO_USER:
pm = (struct xt_entry_match *)match;
msize = pm->u.user.match_size;
- if (__copy_to_user(*dstptr, pm, msize)) {
+ if (copy_to_user(*dstptr, pm, msize)) {
ret = -EFAULT;
break;
}
@@ -366,7 +366,7 @@ int xt_compat_target(void *target, void **dstptr, int *size, int convert)
case COMPAT_TO_USER:
pt = (struct xt_entry_target *)target;
tsize = pt->u.user.target_size;
- if (__copy_to_user(*dstptr, pt, tsize)) {
+ if (copy_to_user(*dstptr, pt, tsize)) {
ret = -EFAULT;
break;
}