BUG: memory leak unreferenced object 0xffff88811be16880 (size 96): comm "syz-executor298", pid 7082, jiffies 4294941492 (age 13.760s) hex dump (first 32 bytes): 40 88 b2 1e 81 88 ff ff 40 88 b2 1e 81 88 ff ff @.......@....... e0 b2 ba 82 ff ff ff ff 00 00 76 2a 81 88 ff ff ..........v*.... backtrace: [<00000000c5078aa9>] kmalloc include/linux/slab.h:555 [inline] [<00000000c5078aa9>] nft_netdev_hook_alloc+0x3b/0xc0 net/netfilter/nf_tables_api.c:1653 [<00000000fe41b301>] nf_tables_parse_netdev_hooks+0xa1/0x220 net/netfilter/nf_tables_api.c:1702 [<0000000048c62001>] nf_tables_flowtable_parse_hook net/netfilter/nf_tables_api.c:6097 [inline] [<0000000048c62001>] nf_tables_newflowtable+0x3c2/0x810 net/netfilter/nf_tables_api.c:6297 [<00000000c2fb5ad0>] nfnetlink_rcv_batch+0x2f3/0x810 net/netfilter/nfnetlink.c:433 [<00000000976b8cfb>] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:543 [inline] [<00000000976b8cfb>] nfnetlink_rcv+0x183/0x1b0 net/netfilter/nfnetlink.c:561 [<0000000061197fa6>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] [<0000000061197fa6>] netlink_unicast+0x20a/0x2f0 net/netlink/af_netlink.c:1329 [<000000006cc625c3>] netlink_sendmsg+0x2b5/0x560 net/netlink/af_netlink.c:1918 [<00000000251766d2>] sock_sendmsg_nosec net/socket.c:652 [inline] [<00000000251766d2>] sock_sendmsg+0x4c/0x60 net/socket.c:672 [<00000000238aa22b>] ____sys_sendmsg+0x2c0/0x2f0 net/socket.c:2343 [<00000000f1abb009>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2397 [<00000000ea5189e2>] __sys_sendmsg+0x77/0xe0 net/socket.c:2430 [<00000000196c7741>] do_syscall_64+0x6e/0x210 arch/x86/entry/common.c:294 [<000000007d4cb6b9>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811be16780 (size 96): comm "syz-executor298", pid 7083, jiffies 4294942084 (age 7.840s) hex dump (first 32 bytes): 40 88 b2 1e 81 88 ff ff 40 88 b2 1e 81 88 ff ff @.......@....... e0 b2 ba 82 ff ff ff ff 00 00 76 2a 81 88 ff ff ..........v*.... backtrace: [<00000000c5078aa9>] kmalloc include/linux/slab.h:555 [inline] [<00000000c5078aa9>] nft_netdev_hook_alloc+0x3b/0xc0 net/netfilter/nf_tables_api.c:1653 [<00000000fe41b301>] nf_tables_parse_netdev_hooks+0xa1/0x220 net/netfilter/nf_tables_api.c:1702 [<0000000048c62001>] nf_tables_flowtable_parse_hook net/netfilter/nf_tables_api.c:6097 [inline] [<0000000048c62001>] nf_tables_newflowtable+0x3c2/0x810 net/netfilter/nf_tables_api.c:6297 [<00000000c2fb5ad0>] nfnetlink_rcv_batch+0x2f3/0x810 net/netfilter/nfnetlink.c:433 [<00000000976b8cfb>] nfnetlink_rcv_skb_batch net/netfilter/nfnetlink.c:543 [inline] [<00000000976b8cfb>] nfnetlink_rcv+0x183/0x1b0 net/netfilter/nfnetlink.c:561 [<0000000061197fa6>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] [<0000000061197fa6>] netlink_unicast+0x20a/0x2f0 net/netlink/af_netlink.c:1329 [<000000006cc625c3>] netlink_sendmsg+0x2b5/0x560 net/netlink/af_netlink.c:1918 [<00000000251766d2>] sock_sendmsg_nosec net/socket.c:652 [inline] [<00000000251766d2>] sock_sendmsg+0x4c/0x60 net/socket.c:672 [<00000000238aa22b>] ____sys_sendmsg+0x2c0/0x2f0 net/socket.c:2343 [<00000000f1abb009>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2397 [<00000000ea5189e2>] __sys_sendmsg+0x77/0xe0 net/socket.c:2430 [<00000000196c7741>] do_syscall_64+0x6e/0x210 arch/x86/entry/common.c:294 [<000000007d4cb6b9>] entry_SYSCALL_64_after_hwframe+0x44/0xa9