On Wed, Jul 14, 2021 at 11:27:03AM +0800, Dongliang Mu wrote: > In nf_tables_commit, if nf_tables_commit_audit_alloc fails, it does not > free the adp variable. > > Fix this by adding nf_tables_commit_audit_free which frees > the linked list with the head node adl. > > backtrace: > kmalloc include/linux/slab.h:591 [inline] > kzalloc include/linux/slab.h:721 [inline] > nf_tables_commit_audit_alloc net/netfilter/nf_tables_api.c:8439 [inline] > nf_tables_commit+0x16e/0x1760 net/netfilter/nf_tables_api.c:8508 > nfnetlink_rcv_batch+0x512/0xa80 net/netfilter/nfnetlink.c:562 > nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:634 [inline] > nfnetlink_rcv+0x1fa/0x220 net/netfilter/nfnetlink.c:652 > netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline] > netlink_unicast+0x2c7/0x3e0 net/netlink/af_netlink.c:1340 > netlink_sendmsg+0x36b/0x6b0 net/netlink/af_netlink.c:1929 > sock_sendmsg_nosec net/socket.c:702 [inline] > sock_sendmsg+0x56/0x80 net/socket.c:722 Applied, thanks.
