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authorYuanjun Gong <ruc_gongyuanjun@163.com>2023-07-25 14:48:10 +0800
committerPaolo Abeni <pabeni@redhat.com>2023-07-27 10:46:05 +0200
commite46e06ffc6d667a89b979701288e2264f45e6a7b (patch)
tree2785cb340fe23bc23d894016ccd612fc1f194cba /net
parent5c85f7065718a949902b238a6abd8fc907c5d3e0 (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.c3
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))) {