r5 = socket$inet6(0xa, 0x2, 0x6) setsockopt$SO_TIMESTAMP(r5, 0x1, 0x23, &(0x7f00000001c0)=0x7a83dfe0, 0x4) BUG: memory leak unreferenced object 0xffff88800fbc7100 (size 96): comm "syz-executor.1", pid 9086, jiffies 4295566459 (age 22.341s) hex dump (first 32 bytes): 05 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ fc 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000b7bcd25d>] kmalloc include/linux/slab.h:552 [inline] [<00000000b7bcd25d>] kzalloc include/linux/slab.h:664 [inline] [<00000000b7bcd25d>] netlbl_mgmt_add_common+0xb36/0x1770 net/netlabel/netlabel_mgmt.c:221 [<00000000bcb0b02c>] netlbl_mgmt_add+0x28a/0x3e0 net/netlabel/netlabel_mgmt.c:439 [<000000001881922e>] genl_family_rcv_msg_doit+0x22d/0x330 net/netlink/genetlink.c:739 [<000000007d39183c>] genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] [<000000007d39183c>] genl_rcv_msg+0x33c/0x5a0 net/netlink/genetlink.c:800 [<000000003c7d5083>] netlink_rcv_skb+0x14b/0x430 net/netlink/af_netlink.c:2496 [<00000000d3ab056d>] genl_rcv+0x24/0x40 net/netlink/genetlink.c:811 [<00000000369368b3>] netlink_unicast_kernel net/netlink/af_netlink.c:1306 [inline] [<00000000369368b3>] netlink_unicast+0x53a/0x7e0 net/netlink/af_netlink.c:1332 [<00000000db7dcb3b>] netlink_sendmsg+0x860/0xda0 net/netlink/af_netlink.c:1921 [<00000000f53abf69>] sock_sendmsg_nosec net/socket.c:651 [inline] [<00000000f53abf69>] sock_sendmsg+0x150/0x190 net/socket.c:671 [<00000000a9fa1822>] ____sys_sendmsg+0x709/0x870 net/socket.c:2353 [<0000000097778848>] ___sys_sendmsg+0xf3/0x170 net/socket.c:2407 [<00000000fc42c81e>] __sys_sendmsg+0xe5/0x1b0 net/socket.c:2440 [<00000000874a828c>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 [<00000000d668f64f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: leak checking failed