executing program BUG: memory leak unreferenced object 0xffff88811c962a00 (size 32): comm "syz-executor249", pid 6621, jiffies 4294943144 (age 15.050s) hex dump (first 32 bytes): 00 a9 64 84 ff ff ff ff c8 a1 b4 83 ff ff ff ff ..d............. 00 00 00 00 00 00 00 00 5f 74 3a 73 30 00 ff ff ........_t:s0... backtrace: [<00000000ace106d6>] kmalloc include/linux/slab.h:555 [inline] [<00000000ace106d6>] genl_dumpit_info_alloc net/netlink/genetlink.c:463 [inline] [<00000000ace106d6>] genl_family_rcv_msg_dumpit net/netlink/genetlink.c:598 [inline] [<00000000ace106d6>] genl_family_rcv_msg net/netlink/genetlink.c:715 [inline] [<00000000ace106d6>] genl_rcv_msg+0x360/0x520 net/netlink/genetlink.c:735 [<0000000084a415a7>] netlink_rcv_skb+0x5a/0x180 net/netlink/af_netlink.c:2469 [<00000000374e8339>] genl_rcv+0x24/0x40 net/netlink/genetlink.c:746 [<000000003e7894a2>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] [<000000003e7894a2>] netlink_unicast+0x20a/0x2f0 net/netlink/af_netlink.c:1329 [<00000000a350b958>] netlink_sendmsg+0x2b5/0x560 net/netlink/af_netlink.c:1918 [<000000009e2bdce3>] sock_sendmsg_nosec net/socket.c:652 [inline] [<000000009e2bdce3>] sock_sendmsg+0x4c/0x60 net/socket.c:672 [<0000000007d85cf9>] sock_no_sendpage+0x8c/0xb0 net/core/sock.c:2762 [<000000005728faa6>] kernel_sendpage+0x45/0x80 net/socket.c:3808 [<00000000b7c7b880>] sock_sendpage+0x40/0x50 net/socket.c:950 [<0000000029de857e>] pipe_to_sendpage+0x87/0xe0 fs/splice.c:458 [<00000000475e28e0>] splice_from_pipe_feed fs/splice.c:512 [inline] [<00000000475e28e0>] __splice_from_pipe+0x14a/0x250 fs/splice.c:636 [<00000000a33b1874>] splice_from_pipe+0x70/0xb0 fs/splice.c:671 [<0000000092065f00>] do_splice_from fs/splice.c:863 [inline] [<0000000092065f00>] do_splice+0x38b/0x780 fs/splice.c:1165 [<000000001bc4cca3>] __do_sys_splice fs/splice.c:1440 [inline] [<000000001bc4cca3>] __se_sys_splice fs/splice.c:1422 [inline] [<000000001bc4cca3>] __x64_sys_splice+0xaa/0x110 fs/splice.c:1422 [<00000000aaab2869>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295 [<00000000f3c10d0e>] entry_SYSCALL_64_after_hwframe+0x44/0xa9