executing program BUG: memory leak unreferenced object 0xffff88811bdfb9c0 (size 32): comm "syz-executor093", pid 6616, jiffies 4294943354 (age 14.620s) hex dump (first 32 bytes): 00 a8 64 84 ff ff ff ff 60 9e b4 83 ff ff ff ff ..d.....`....... 00 00 00 00 00 00 00 00 5f 74 3a 73 30 00 48 37 ........_t:s0.H7 backtrace: [<0000000045af5772>] kmalloc include/linux/slab.h:555 [inline] [<0000000045af5772>] genl_dumpit_info_alloc net/netlink/genetlink.c:463 [inline] [<0000000045af5772>] genl_family_rcv_msg_dumpit net/netlink/genetlink.c:598 [inline] [<0000000045af5772>] genl_family_rcv_msg net/netlink/genetlink.c:715 [inline] [<0000000045af5772>] genl_rcv_msg+0x360/0x520 net/netlink/genetlink.c:735 [<0000000011b18dae>] netlink_rcv_skb+0x5a/0x180 net/netlink/af_netlink.c:2469 [<0000000021808210>] genl_rcv+0x24/0x40 net/netlink/genetlink.c:746 [<000000009732b2d1>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] [<000000009732b2d1>] netlink_unicast+0x20a/0x2f0 net/netlink/af_netlink.c:1329 [<000000005b86afcb>] netlink_sendmsg+0x2b5/0x560 net/netlink/af_netlink.c:1918 [<000000008a76e9ad>] sock_sendmsg_nosec net/socket.c:652 [inline] [<000000008a76e9ad>] sock_sendmsg+0x4c/0x60 net/socket.c:672 [<000000005a968895>] sock_write_iter+0xc5/0x140 net/socket.c:1004 [<000000006c910dac>] call_write_iter include/linux/fs.h:1907 [inline] [<000000006c910dac>] new_sync_write+0x18e/0x240 fs/read_write.c:484 [<00000000aed6dc56>] __vfs_write+0x73/0x90 fs/read_write.c:497 [<00000000ed8943b3>] vfs_write fs/read_write.c:559 [inline] [<00000000ed8943b3>] vfs_write+0xe0/0x200 fs/read_write.c:543 [<0000000010855ad5>] ksys_write+0xd8/0x120 fs/read_write.c:612 [<00000000f760bd51>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295 [<0000000088b6b5e3>] entry_SYSCALL_64_after_hwframe+0x44/0xa9