BUG: memory leak
unreferenced object 0xffff88811141d500 (size 232):
  comm "kworker/u4:5", pid 8402, jiffies 4294943667 (age 12.510s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    60 ba 04 01 81 88 ff ff c0 39 54 0f 81 88 ff ff  `........9T.....
  backtrace:
    [<ffffffff8154ad9f>] kmem_cache_zalloc include/linux/slab.h:674 [inline]
    [<ffffffff8154ad9f>] __alloc_file+0x1f/0xf0 fs/file_table.c:101
    [<ffffffff8154b4d9>] alloc_empty_file+0x69/0x120 fs/file_table.c:150
    [<ffffffff8154b5c3>] alloc_file+0x33/0x1b0 fs/file_table.c:192
    [<ffffffff8154b7f2>] alloc_file_pseudo+0xb2/0x140 fs/file_table.c:232
    [<ffffffff81559ee8>] create_pipe_files+0x138/0x2e0 fs/pipe.c:911
    [<ffffffff8126cad3>] umd_setup+0x33/0x220 kernel/usermode_driver.c:104
    [<ffffffff812535d4>] call_usermodehelper_exec_async+0xb4/0x1b0 kernel/umh.c:101
    [<ffffffff8100227f>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294

BUG: memory leak
unreferenced object 0xffff8881101321f8 (size 24):
  comm "kworker/u4:5", pid 8402, jiffies 4294943667 (age 12.510s)
  hex dump (first 24 bytes):
    00 00 00 00 00 00 00 00 b0 0e 94 00 81 88 ff ff  ................
    00 00 00 00 00 00 00 00                          ........
  backtrace:
    [<ffffffff820e2ada>] kmem_cache_zalloc include/linux/slab.h:674 [inline]
    [<ffffffff820e2ada>] lsm_file_alloc security/security.c:569 [inline]
    [<ffffffff820e2ada>] security_file_alloc+0x2a/0xb0 security/security.c:1470
    [<ffffffff8154addd>] __alloc_file+0x5d/0xf0 fs/file_table.c:106
    [<ffffffff8154b4d9>] alloc_empty_file+0x69/0x120 fs/file_table.c:150
    [<ffffffff8154b5c3>] alloc_file+0x33/0x1b0 fs/file_table.c:192
    [<ffffffff8154b7f2>] alloc_file_pseudo+0xb2/0x140 fs/file_table.c:232
    [<ffffffff81559ee8>] create_pipe_files+0x138/0x2e0 fs/pipe.c:911
    [<ffffffff8126cad3>] umd_setup+0x33/0x220 kernel/usermode_driver.c:104
    [<ffffffff812535d4>] call_usermodehelper_exec_async+0xb4/0x1b0 kernel/umh.c:101
    [<ffffffff8100227f>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294