diff options
| author |   Haoxiang Li <haoxiang_li2024@163.com> | 2025-02-18 11:04:09 +0800 |
|---|---|---|
| committer |   Paolo Abeni <pabeni@redhat.com> | 2025-02-20 09:35:49 +0100 |
| commit | 878e7b11736e062514e58f3b445ff343e6705537 (patch) | |
| tree | dd860d60687153ecba56b2f54d50e351af4113ec /drivers/net/ethernet/netronome/nfp/bpf/cmsg.c | |
| parent | tcp: drop secpath at the same time as we currently drop dst (diff) | |
| download | wireguard-linux-878e7b11736e062514e58f3b445ff343e6705537.tar.xz wireguard-linux-878e7b11736e062514e58f3b445ff343e6705537.zip | |
nfp: bpf: Add check for nfp_app_ctrl_msg_alloc()
Add check for the return value of nfp_app_ctrl_msg_alloc() in
nfp_bpf_cmsg_alloc() to prevent null pointer dereference.
Fixes: ff3d43f7568c ("nfp: bpf: implement helpers for FW map ops")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
Link: https://patch.msgid.link/20250218030409.2425798-1-haoxiang_li2024@163.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/bpf/cmsg.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/cmsg.c b/drivers/net/ethernet/netronome/nfp/bpf/cmsg.c index 2ec62c8d86e1..59486fe2ad18 100644 --- a/drivers/net/ethernet/netronome/nfp/bpf/cmsg.c +++ b/drivers/net/ethernet/netronome/nfp/bpf/cmsg.c @@ -20,6 +20,8 @@ nfp_bpf_cmsg_alloc(struct nfp_app_bpf *bpf, unsigned int size) struct sk_buff *skb; skb = nfp_app_ctrl_msg_alloc(bpf->app, size, GFP_KERNEL); + if (!skb) + return NULL; skb_put(skb, size); return skb; |