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| author | David S. Miller <davem@sunset.davemloft.net> | 2005-12-27 22:57:59 +0100 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2005-12-27 22:57:59 +0100 |
| commit | 1b93ae64cabe5e28dd5a1f35f96f938ca4f6ae20 (patch) | |
| tree | a8c5c7d08e6c658853245ad0b0cf47f0af1ff83d /drivers/net | |
| parent | [IPV6]: Fix addrconf dead lock. (diff) | |
| download | linux-1b93ae64cabe5e28dd5a1f35f96f938ca4f6ae20.tar.xz linux-1b93ae64cabe5e28dd5a1f35f96f938ca4f6ae20.zip | |
[NET]: Validate socket filters against BPF_MAXINSNS in one spot.
Currently the checks are scattered all over and this leads
to inconsistencies and even cases where the check is not made.
Based upon a patch from Kris Katterjohn.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ppp_generic.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index 50430f79f8cf..1c6d328165bb 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -524,9 +524,6 @@ static int get_filter(void __user *arg, struct sock_filter **p) if (copy_from_user(&uprog, arg, sizeof(uprog))) return -EFAULT; - if (uprog.len > BPF_MAXINSNS) - return -EINVAL; - if (!uprog.len) { *p = NULL; return 0; |