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| author | Haoxiang Li <haoxiang_li2024@163.com> | 2025-02-18 06:04:09 +0300 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2025-02-20 11:35:49 +0300 |
| commit | 878e7b11736e062514e58f3b445ff343e6705537 (patch) | |
| tree | dd860d60687153ecba56b2f54d50e351af4113ec | |
| parent | 9b6412e6979f6f9e0632075f8f008937b5cd4efd (diff) | |
| download | linux-878e7b11736e062514e58f3b445ff343e6705537.tar.xz | |
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>
| -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; |