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| author | Jason Wang <jasowang@redhat.com> | 2012-05-30 23:18:10 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-06-01 00:22:45 +0200 |
| commit | cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc (patch) | |
| tree | dbf402b10788ab22d1d9d8c14866a910be497c29 /block/ioctl.c | |
| parent | bql: Avoid possible inconsistent calculation. (diff) | |
| download | linux-cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc.tar.xz linux-cc9b17ad29ecaa20bfe426a8d4dbfb94b13ff1cc.zip | |
net: sock: validate data_len before allocating skb in sock_alloc_send_pskb()
We need to validate the number of pages consumed by data_len, otherwise frags
array could be overflowed by userspace. So this patch validate data_len and
return -EMSGSIZE when data_len may occupies more frags than MAX_SKB_FRAGS.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'block/ioctl.c')
0 files changed, 0 insertions, 0 deletions