diff options
| author | Yuanjun Gong <ruc_gongyuanjun@163.com> | 2023-07-25 14:48:10 +0800 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2023-07-27 10:46:05 +0200 |
| commit | e46e06ffc6d667a89b979701288e2264f45e6a7b (patch) | |
| tree | 2785cb340fe23bc23d894016ccd612fc1f194cba /net | |
| parent | 5c85f7065718a949902b238a6abd8fc907c5d3e0 (diff) | |
tipc: check return value of pskb_trim()
goto free_skb if an unexpected result is returned by pskb_tirm()
in tipc_crypto_rcv_complete().
Fixes: fc1b6d6de220 ("tipc: introduce TIPC encryption & authentication")
Signed-off-by: Yuanjun Gong <ruc_gongyuanjun@163.com>
Reviewed-by: Tung Nguyen <tung.q.nguyen@dektech.com.au>
Link: https://lore.kernel.org/r/20230725064810.5820-1-ruc_gongyuanjun@163.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/tipc/crypto.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/tipc/crypto.c b/net/tipc/crypto.c index 577fa5af33ec..302fd749c424 100644 --- a/net/tipc/crypto.c +++ b/net/tipc/crypto.c @@ -1960,7 +1960,8 @@ rcv: skb_reset_network_header(*skb); skb_pull(*skb, tipc_ehdr_size(ehdr)); - pskb_trim(*skb, (*skb)->len - aead->authsize); + if (pskb_trim(*skb, (*skb)->len - aead->authsize)) + goto free_skb; /* Validate TIPCv2 message */ if (unlikely(!tipc_msg_validate(skb))) { |