BUG: memory leak
unreferenced object 0xffff88811c71a980 (size 64):
  comm "syz-executor.7", pid 5063, jiffies 4294953937
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 20 8e 7e 1c 81 88 ff ff  ........ .~.....
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 9f8721dd):
    [<ffffffff815f7d53>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff815f7d53>] slab_post_alloc_hook mm/slub.c:3817 [inline]
    [<ffffffff815f7d53>] slab_alloc_node mm/slub.c:3860 [inline]
    [<ffffffff815f7d53>] kmalloc_trace+0x283/0x330 mm/slub.c:4007
    [<ffffffff84aae617>] kmalloc include/linux/slab.h:590 [inline]
    [<ffffffff84aae617>] kzalloc include/linux/slab.h:711 [inline]
    [<ffffffff84aae617>] batadv_tvlv_handler_register+0xf7/0x2a0 net/batman-adv/tvlv.c:560
    [<ffffffff84a8d09f>] batadv_mcast_init+0x4f/0xc0 net/batman-adv/multicast.c:1926
    [<ffffffff84a895b9>] batadv_mesh_init+0x209/0x2f0 net/batman-adv/main.c:231
    [<ffffffff84a9fa88>] batadv_softif_init_late+0x1f8/0x280 net/batman-adv/soft-interface.c:812
    [<ffffffff83f48559>] register_netdevice+0x189/0xca0 net/core/dev.c:10188
    [<ffffffff84a9f255>] batadv_softif_newlink+0x55/0x70 net/batman-adv/soft-interface.c:1088
    [<ffffffff83f61dc0>] rtnl_newlink_create net/core/rtnetlink.c:3515 [inline]
    [<ffffffff83f61dc0>] __rtnl_newlink+0xb10/0xec0 net/core/rtnetlink.c:3735
    [<ffffffff83f621bc>] rtnl_newlink+0x4c/0x70 net/core/rtnetlink.c:3748
    [<ffffffff83f5cd1f>] rtnetlink_rcv_msg+0x22f/0x5b0 net/core/rtnetlink.c:6615
    [<ffffffff84093291>] netlink_rcv_skb+0x91/0x1d0 net/netlink/af_netlink.c:2543
    [<ffffffff84092242>] netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
    [<ffffffff84092242>] netlink_unicast+0x2c2/0x440 net/netlink/af_netlink.c:1367
    [<ffffffff84092701>] netlink_sendmsg+0x341/0x690 net/netlink/af_netlink.c:1908
    [<ffffffff83ef2912>] sock_sendmsg_nosec net/socket.c:730 [inline]
    [<ffffffff83ef2912>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
    [<ffffffff83ef5af4>] __sys_sendto+0x164/0x1e0 net/socket.c:2191
    [<ffffffff83ef5b98>] __do_sys_sendto net/socket.c:2203 [inline]
    [<ffffffff83ef5b98>] __se_sys_sendto net/socket.c:2199 [inline]
    [<ffffffff83ef5b98>] __x64_sys_sendto+0x28/0x30 net/socket.c:2199

BUG: memory leak
unreferenced object 0xffff88811c8561c0 (size 64):
  comm "syz-executor.0", pid 5062, jiffies 4294953941
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 20 ce 7e 1c 81 88 ff ff  ........ .~.....
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 7256c890):
    [<ffffffff815f7d53>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff815f7d53>] slab_post_alloc_hook mm/slub.c:3817 [inline]
    [<ffffffff815f7d53>] slab_alloc_node mm/slub.c:3860 [inline]
    [<ffffffff815f7d53>] kmalloc_trace+0x283/0x330 mm/slub.c:4007
    [<ffffffff84aae617>] kmalloc include/linux/slab.h:590 [inline]
    [<ffffffff84aae617>] kzalloc include/linux/slab.h:711 [inline]
    [<ffffffff84aae617>] batadv_tvlv_handler_register+0xf7/0x2a0 net/batman-adv/tvlv.c:560
    [<ffffffff84a8d09f>] batadv_mcast_init+0x4f/0xc0 net/batman-adv/multicast.c:1926
    [<ffffffff84a895b9>] batadv_mesh_init+0x209/0x2f0 net/batman-adv/main.c:231
    [<ffffffff84a9fa88>] batadv_softif_init_late+0x1f8/0x280 net/batman-adv/soft-interface.c:812
    [<ffffffff83f48559>] register_netdevice+0x189/0xca0 net/core/dev.c:10188
    [<ffffffff84a9f255>] batadv_softif_newlink+0x55/0x70 net/batman-adv/soft-interface.c:1088
    [<ffffffff83f61dc0>] rtnl_newlink_create net/core/rtnetlink.c:3515 [inline]
    [<ffffffff83f61dc0>] __rtnl_newlink+0xb10/0xec0 net/core/rtnetlink.c:3735
    [<ffffffff83f621bc>] rtnl_newlink+0x4c/0x70 net/core/rtnetlink.c:3748
    [<ffffffff83f5cd1f>] rtnetlink_rcv_msg+0x22f/0x5b0 net/core/rtnetlink.c:6615
    [<ffffffff84093291>] netlink_rcv_skb+0x91/0x1d0 net/netlink/af_netlink.c:2543
    [<ffffffff84092242>] netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
    [<ffffffff84092242>] netlink_unicast+0x2c2/0x440 net/netlink/af_netlink.c:1367
    [<ffffffff84092701>] netlink_sendmsg+0x341/0x690 net/netlink/af_netlink.c:1908
    [<ffffffff83ef2912>] sock_sendmsg_nosec net/socket.c:730 [inline]
    [<ffffffff83ef2912>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
    [<ffffffff83ef5af4>] __sys_sendto+0x164/0x1e0 net/socket.c:2191
    [<ffffffff83ef5b98>] __do_sys_sendto net/socket.c:2203 [inline]
    [<ffffffff83ef5b98>] __se_sys_sendto net/socket.c:2199 [inline]
    [<ffffffff83ef5b98>] __x64_sys_sendto+0x28/0x30 net/socket.c:2199

BUG: memory leak
unreferenced object 0xffff88811cd88cc0 (size 64):
  comm "syz-executor.5", pid 5078, jiffies 4294953981
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 20 8e 05 1d 81 88 ff ff  ........ .......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc a919e6d6):
    [<ffffffff815f7d53>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff815f7d53>] slab_post_alloc_hook mm/slub.c:3817 [inline]
    [<ffffffff815f7d53>] slab_alloc_node mm/slub.c:3860 [inline]
    [<ffffffff815f7d53>] kmalloc_trace+0x283/0x330 mm/slub.c:4007
    [<ffffffff84aae617>] kmalloc include/linux/slab.h:590 [inline]
    [<ffffffff84aae617>] kzalloc include/linux/slab.h:711 [inline]
    [<ffffffff84aae617>] batadv_tvlv_handler_register+0xf7/0x2a0 net/batman-adv/tvlv.c:560
    [<ffffffff84a8d09f>] batadv_mcast_init+0x4f/0xc0 net/batman-adv/multicast.c:1926
    [<ffffffff84a895b9>] batadv_mesh_init+0x209/0x2f0 net/batman-adv/main.c:231
    [<ffffffff84a9fa88>] batadv_softif_init_late+0x1f8/0x280 net/batman-adv/soft-interface.c:812
    [<ffffffff83f48559>] register_netdevice+0x189/0xca0 net/core/dev.c:10188
    [<ffffffff84a9f255>] batadv_softif_newlink+0x55/0x70 net/batman-adv/soft-interface.c:1088
    [<ffffffff83f61dc0>] rtnl_newlink_create net/core/rtnetlink.c:3515 [inline]
    [<ffffffff83f61dc0>] __rtnl_newlink+0xb10/0xec0 net/core/rtnetlink.c:3735
    [<ffffffff83f621bc>] rtnl_newlink+0x4c/0x70 net/core/rtnetlink.c:3748
    [<ffffffff83f5cd1f>] rtnetlink_rcv_msg+0x22f/0x5b0 net/core/rtnetlink.c:6615
    [<ffffffff84093291>] netlink_rcv_skb+0x91/0x1d0 net/netlink/af_netlink.c:2543
    [<ffffffff84092242>] netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline]
    [<ffffffff84092242>] netlink_unicast+0x2c2/0x440 net/netlink/af_netlink.c:1367
    [<ffffffff84092701>] netlink_sendmsg+0x341/0x690 net/netlink/af_netlink.c:1908
    [<ffffffff83ef2912>] sock_sendmsg_nosec net/socket.c:730 [inline]
    [<ffffffff83ef2912>] __sock_sendmsg+0x52/0xa0 net/socket.c:745
    [<ffffffff83ef5af4>] __sys_sendto+0x164/0x1e0 net/socket.c:2191
    [<ffffffff83ef5b98>] __do_sys_sendto net/socket.c:2203 [inline]
    [<ffffffff83ef5b98>] __se_sys_sendto net/socket.c:2199 [inline]
    [<ffffffff83ef5b98>] __x64_sys_sendto+0x28/0x30 net/socket.c:2199