Commit 878e7b11 authored by Haoxiang Li's avatar Haoxiang Li Committed by Paolo Abeni
Browse files

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: ff3d43f7 ("nfp: bpf: implement helpers for FW map ops")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarHaoxiang Li <haoxiang_li2024@163.com>
Link: https://patch.msgid.link/20250218030409.2425798-1-haoxiang_li2024@163.com


Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 9b6412e6

drivers/net/ethernet/netronome/nfp/bpf/cmsg.c

+2 −0
Original line number Diff line number Diff line
@@ -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;