executing program
BUG: memory leak
unreferenced object 0xffff88811b9a9a00 (size 512):
  comm "kworker/u4:4", pid 888, jiffies 4294943847 (age 7.820s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 08 9a 9a 1b 81 88 ff ff  ................
    08 9a 9a 1b 81 88 ff ff 18 9a 9a 1b 81 88 ff ff  ................
  backtrace:
    [<000000008a0da717>] kmalloc include/linux/slab.h:560 [inline]
    [<000000008a0da717>] kzalloc include/linux/slab.h:669 [inline]
    [<000000008a0da717>] rds_message_alloc+0x37/0xc0 net/rds/message.c:291
    [<00000000bb0d929a>] rds_send_probe.constprop.0+0x42/0x380 net/rds/send.c:1431
    [<000000001be035ae>] rds_recv_incoming+0x485/0x5d0 net/rds/recv.c:343
    [<00000000b954a12f>] rds_loop_xmit+0x7b/0xf0 net/rds/loop.c:96
    [<00000000f73f266d>] rds_send_xmit+0x583/0xb00 net/rds/send.c:367
    [<00000000329d882d>] rds_send_worker+0x36/0x150 net/rds/threads.c:200
    [<00000000326eec23>] process_one_work+0x21e/0x4b0 kernel/workqueue.c:2266
    [<0000000066fc2f24>] worker_thread+0x55/0x4a0 kernel/workqueue.c:2412
    [<000000008aae97e1>] kthread+0x130/0x150 kernel/kthread.c:255
    [<000000003e50e11f>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352