write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
BUG: memory leak
unreferenced object 0xffff888101829180 (size 120):
  comm "kworker/u4:0", pid 8, jiffies 4294952914 (age 8.320s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000095c8b14>] alloc_pid+0x66/0x560 kernel/pid.c:180
    [<000000007e17e1fd>] copy_process+0x143b/0x25c0 kernel/fork.c:2113
    [<000000003ffd2ec4>] kernel_clone+0xf3/0x670 kernel/fork.c:2462
    [<00000000a46f4970>] kernel_thread+0x61/0x80 kernel/fork.c:2514
    [<00000000c2a30e2c>] call_usermodehelper_exec_work kernel/umh.c:172 [inline]
    [<00000000c2a30e2c>] call_usermodehelper_exec_work+0xc4/0x120 kernel/umh.c:158
    [<00000000e172101e>] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275
    [<000000004ff50305>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421
    [<000000002287d054>] kthread+0x178/0x1b0 kernel/kthread.c:292
    [<00000000d9a06a57>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296

BUG: memory leak
unreferenced object 0xffff888101919800 (size 232):
  comm "kworker/u4:0", pid 8440, jiffies 4294952914 (age 8.330s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    60 7e d6 02 81 88 ff ff c0 f9 f9 0f 81 88 ff ff  `~..............
  backtrace:
    [<00000000a975b7a0>] kmem_cache_zalloc include/linux/slab.h:672 [inline]
    [<00000000a975b7a0>] __alloc_file+0x1f/0xf0 fs/file_table.c:101
    [<00000000ef7ec6d9>] alloc_empty_file+0x69/0x120 fs/file_table.c:150
    [<00000000f253f270>] alloc_file+0x33/0x1b0 fs/file_table.c:192
    [<0000000005a82494>] alloc_file_pseudo+0xb2/0x140 fs/file_table.c:232
    [<000000008f061cda>] create_pipe_files+0x138/0x2e0 fs/pipe.c:911
    [<0000000064031d8c>] umd_setup+0x33/0x220 kernel/usermode_driver.c:104
    [<00000000d7b4551f>] call_usermodehelper_exec_async+0xb4/0x1b0 kernel/umh.c:101
    [<00000000d9a06a57>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296

BUG: memory leak
unreferenced object 0xffff888111509cc0 (size 24):
  comm "kworker/u4:0", pid 8440, jiffies 4294952914 (age 8.330s)
  hex dump (first 24 bytes):
    00 00 00 00 00 00 00 00 b0 8e 93 00 81 88 ff ff  ................
    00 00 00 00 00 00 00 00                          ........
  backtrace:
    [<00000000881644ec>] kmem_cache_zalloc include/linux/slab.h:672 [inline]
    [<00000000881644ec>] lsm_file_alloc security/security.c:569 [inline]
    [<00000000881644ec>] security_file_alloc+0x2a/0xb0 security/security.c:1457
    [<00000000ecb40cc2>] __alloc_file+0x5d/0xf0 fs/file_table.c:106
    [<00000000ef7ec6d9>] alloc_empty_file+0x69/0x120 fs/file_table.c:150
    [<00000000f253f270>] alloc_file+0x33/0x1b0 fs/file_table.c:192
    [<0000000005a82494>] alloc_file_pseudo+0xb2/0x140 fs/file_table.c:232
    [<000000008f061cda>] create_pipe_files+0x138/0x2e0 fs/pipe.c:911
    [<0000000064031d8c>] umd_setup+0x33/0x220 kernel/usermode_driver.c:104
    [<00000000d7b4551f>] call_usermodehelper_exec_async+0xb4/0x1b0 kernel/umh.c:101
    [<00000000d9a06a57>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296

BUG: memory leak
unreferenced object 0xffff88810d596a00 (size 232):
  comm "kworker/u4:0", pid 8440, jiffies 4294952914 (age 8.330s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    60 7e d6 02 81 88 ff ff 00 f9 f9 0f 81 88 ff ff  `~..............
  backtrace:
    [<00000000a975b7a0>] kmem_cache_zalloc include/linux/slab.h:672 [inline]
    [<00000000a975b7a0>] __alloc_file+0x1f/0xf0 fs/file_table.c:101
    [<00000000ef7ec6d9>] alloc_empty_file+0x69/0x120 fs/file_table.c:150
    [<00000000f253f270>] alloc_file+0x33/0x1b0 fs/file_table.c:192
    [<00000000763c4f5c>] alloc_file_clone+0x22/0x70 fs/file_table.c:244
    [<000000007b26aa44>] create_pipe_files+0x182/0x2e0 fs/pipe.c:922
    [<000000002640ed05>] umd_setup+0xad/0x220 kernel/usermode_driver.c:115
    [<00000000d7b4551f>] call_usermodehelper_exec_async+0xb4/0x1b0 kernel/umh.c:101
    [<00000000d9a06a57>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296

BUG: memory leak
unreferenced object 0xffff888111509c60 (size 24):
  comm "kworker/u4:0", pid 8440, jiffies 4294952914 (age 8.330s)
  hex dump (first 24 bytes):
    00 00 00 00 00 00 00 00 b0 8e 93 00 81 88 ff ff  ................
    00 00 00 00 00 00 00 00                          ........
  backtrace:
    [<00000000881644ec>] kmem_cache_zalloc include/linux/slab.h:672 [inline]
    [<00000000881644ec>] lsm_file_alloc security/security.c:569 [inline]
    [<00000000881644ec>] security_file_alloc+0x2a/0xb0 security/security.c:1457
    [<00000000ecb40cc2>] __alloc_file+0x5d/0xf0 fs/file_table.c:106
    [<00000000ef7ec6d9>] alloc_empty_file+0x69/0x120 fs/file_table.c:150
    [<00000000f253f270>] alloc_file+0x33/0x1b0 fs/file_table.c:192
    [<00000000763c4f5c>] alloc_file_clone+0x22/0x70 fs/file_table.c:244
    [<000000007b26aa44>] create_pipe_files+0x182/0x2e0 fs/pipe.c:922
    [<000000002640ed05>] umd_setup+0xad/0x220 kernel/usermode_driver.c:115
    [<00000000d7b4551f>] call_usermodehelper_exec_async+0xb4/0x1b0 kernel/umh.c:101
    [<00000000d9a06a57>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296

write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory