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 0xffff8881010c8c00 (size 232): comm "kworker/u4:0", pid 8439, jiffies 4294954443 (age 8.240s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 60 1a 04 01 81 88 ff ff 00 30 bb 0f 81 88 ff ff `........0...... backtrace: [<000000002280ba92>] kmem_cache_zalloc include/linux/slab.h:672 [inline] [<000000002280ba92>] __alloc_file+0x1f/0xf0 fs/file_table.c:101 [<000000001b74f7d3>] alloc_empty_file+0x69/0x120 fs/file_table.c:150 [<0000000050ca93cf>] alloc_file+0x33/0x1b0 fs/file_table.c:192 [<0000000074ee1b87>] alloc_file_pseudo+0xb2/0x140 fs/file_table.c:232 [<00000000d80f8ae8>] create_pipe_files+0x138/0x2e0 fs/pipe.c:911 [<00000000516173bb>] umd_setup+0x33/0x220 kernel/usermode_driver.c:104 [<0000000077af558a>] call_usermodehelper_exec_async+0xb4/0x1b0 kernel/umh.c:101 [<00000000b75a8a88>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 BUG: memory leak unreferenced object 0xffff8881101ee498 (size 24): comm "kworker/u4:0", pid 8439, jiffies 4294954443 (age 8.240s) 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: [<00000000691028bf>] kmem_cache_zalloc include/linux/slab.h:672 [inline] [<00000000691028bf>] lsm_file_alloc security/security.c:569 [inline] [<00000000691028bf>] security_file_alloc+0x2a/0xb0 security/security.c:1457 [<000000007a7bc2bc>] __alloc_file+0x5d/0xf0 fs/file_table.c:106 [<000000001b74f7d3>] alloc_empty_file+0x69/0x120 fs/file_table.c:150 [<0000000050ca93cf>] alloc_file+0x33/0x1b0 fs/file_table.c:192 [<0000000074ee1b87>] alloc_file_pseudo+0xb2/0x140 fs/file_table.c:232 [<00000000d80f8ae8>] create_pipe_files+0x138/0x2e0 fs/pipe.c:911 [<00000000516173bb>] umd_setup+0x33/0x220 kernel/usermode_driver.c:104 [<0000000077af558a>] call_usermodehelper_exec_async+0xb4/0x1b0 kernel/umh.c:101 [<00000000b75a8a88>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 BUG: memory leak unreferenced object 0xffff8881012c4e00 (size 232): comm "kworker/u4:0", pid 8439, jiffies 4294954443 (age 8.240s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 60 1a 04 01 81 88 ff ff 00 2f bb 0f 81 88 ff ff `......../...... backtrace: [<000000002280ba92>] kmem_cache_zalloc include/linux/slab.h:672 [inline] [<000000002280ba92>] __alloc_file+0x1f/0xf0 fs/file_table.c:101 [<000000001b74f7d3>] alloc_empty_file+0x69/0x120 fs/file_table.c:150 [<0000000050ca93cf>] alloc_file+0x33/0x1b0 fs/file_table.c:192 [<00000000e9ac8bee>] alloc_file_clone+0x22/0x70 fs/file_table.c:244 [<00000000f1edfd86>] create_pipe_files+0x182/0x2e0 fs/pipe.c:922 [<00000000bc413344>] umd_setup+0xad/0x220 kernel/usermode_driver.c:115 [<0000000077af558a>] call_usermodehelper_exec_async+0xb4/0x1b0 kernel/umh.c:101 [<00000000b75a8a88>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 BUG: memory leak unreferenced object 0xffff8881101ee4f8 (size 24): comm "kworker/u4:0", pid 8439, jiffies 4294954443 (age 8.240s) 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: [<00000000691028bf>] kmem_cache_zalloc include/linux/slab.h:672 [inline] [<00000000691028bf>] lsm_file_alloc security/security.c:569 [inline] [<00000000691028bf>] security_file_alloc+0x2a/0xb0 security/security.c:1457 [<000000007a7bc2bc>] __alloc_file+0x5d/0xf0 fs/file_table.c:106 [<000000001b74f7d3>] alloc_empty_file+0x69/0x120 fs/file_table.c:150 [<0000000050ca93cf>] alloc_file+0x33/0x1b0 fs/file_table.c:192 [<00000000e9ac8bee>] alloc_file_clone+0x22/0x70 fs/file_table.c:244 [<00000000f1edfd86>] create_pipe_files+0x182/0x2e0 fs/pipe.c:922 [<00000000bc413344>] umd_setup+0xad/0x220 kernel/usermode_driver.c:115 [<0000000077af558a>] call_usermodehelper_exec_async+0xb4/0x1b0 kernel/umh.c:101 [<00000000b75a8a88>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 BUG: memory leak unreferenced object 0xffff888101793c80 (size 120): comm "kworker/u4:0", pid 8, jiffies 4294954470 (age 7.970s) 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: [<00000000f2f7ab3c>] alloc_pid+0x66/0x560 kernel/pid.c:180 [<0000000069c8d7c7>] copy_process+0x143b/0x25c0 kernel/fork.c:2113 [<00000000245993aa>] kernel_clone+0xf3/0x670 kernel/fork.c:2462 [<000000001f3fd440>] kernel_thread+0x61/0x80 kernel/fork.c:2514 [<000000008880c838>] call_usermodehelper_exec_work kernel/umh.c:172 [inline] [<000000008880c838>] call_usermodehelper_exec_work+0xc4/0x120 kernel/umh.c:158 [<0000000074d6ed50>] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275 [<00000000f207187c>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421 [<00000000e4aba3b8>] kthread+0x178/0x1b0 kernel/kthread.c:292 [<00000000b75a8a88>] 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