executing program BUG: memory leak unreferenced object 0xffff88811c6231a0 (size 32): comm "syz-executor129", pid 6615, jiffies 4294944715 (age 15.030s) hex dump (first 32 bytes): 80 a8 64 84 ff ff ff ff 48 9f b4 83 ff ff ff ff ..d.....H....... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000da23d47f>] kmalloc include/linux/slab.h:555 [inline] [<00000000da23d47f>] genl_dumpit_info_alloc net/netlink/genetlink.c:463 [inline] [<00000000da23d47f>] genl_family_rcv_msg_dumpit net/netlink/genetlink.c:598 [inline] [<00000000da23d47f>] genl_family_rcv_msg net/netlink/genetlink.c:715 [inline] [<00000000da23d47f>] genl_rcv_msg+0x360/0x520 net/netlink/genetlink.c:735 [<00000000bfb3c539>] netlink_rcv_skb+0x5a/0x180 net/netlink/af_netlink.c:2469 [<00000000ff56cb3e>] genl_rcv+0x24/0x40 net/netlink/genetlink.c:746 [<000000001e7b327b>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] [<000000001e7b327b>] netlink_unicast+0x20a/0x2f0 net/netlink/af_netlink.c:1329 [<000000001e0bd488>] netlink_sendmsg+0x2b5/0x560 net/netlink/af_netlink.c:1918 [<00000000e38302ee>] sock_sendmsg_nosec net/socket.c:652 [inline] [<00000000e38302ee>] sock_sendmsg+0x4c/0x60 net/socket.c:672 [<00000000bd14ce9f>] sock_no_sendpage+0x8c/0xb0 net/core/sock.c:2762 [<000000009304ed54>] kernel_sendpage+0x45/0x80 net/socket.c:3808 [<000000000883faef>] sock_sendpage+0x40/0x50 net/socket.c:950 [<0000000050a7e0ae>] pipe_to_sendpage+0x87/0xe0 fs/splice.c:458 [<0000000044e6dc65>] splice_from_pipe_feed fs/splice.c:512 [inline] [<0000000044e6dc65>] __splice_from_pipe+0x14a/0x250 fs/splice.c:636 [<000000005a6736a4>] splice_from_pipe+0x70/0xb0 fs/splice.c:671 [<000000004cb17638>] do_splice_from fs/splice.c:863 [inline] [<000000004cb17638>] do_splice+0x38b/0x780 fs/splice.c:1165 [<00000000e833b1b4>] __do_sys_splice fs/splice.c:1440 [inline] [<00000000e833b1b4>] __se_sys_splice fs/splice.c:1422 [inline] [<00000000e833b1b4>] __x64_sys_splice+0xaa/0x110 fs/splice.c:1422 [<000000007e5618a7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295 [<0000000094fb072c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9