[ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.237' (ECDSA) to the list of known hosts. executing program BUG: memory leak unreferenced object 0xffff888101d73200 (size 120): comm "kworker/u4:1", pid 24, jiffies 4294966384 (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: [<000000009380490c>] alloc_pid+0x66/0x560 kernel/pid.c:180 [<000000001faec37c>] copy_process+0x143b/0x25c0 kernel/fork.c:2113 [<000000008c7fc016>] kernel_clone+0xf3/0x670 kernel/fork.c:2462 [<0000000077318f48>] kernel_thread+0x61/0x80 kernel/fork.c:2514 [<000000007cb0db2a>] call_usermodehelper_exec_work kernel/umh.c:172 [inline] [<000000007cb0db2a>] call_usermodehelper_exec_work+0xc4/0x120 kernel/umh.c:158 [<00000000f87ab9b2>] process_one_work+0x2c9/0x600 kernel/workqueue.c:2275 [<0000000007550c8b>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2421 [<00000000d59457cd>] kthread+0x178/0x1b0 kernel/kthread.c:292 [<000000009ad83039>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 BUG: memory leak unreferenced object 0xffff88810fa0e7e0 (size 608): comm "kworker/u4:1", pid 8465, jiffies 4294966384 (age 8.320s) hex dump (first 32 bytes): 80 11 04 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ backtrace: [<000000004405192e>] alloc_inode+0xbe/0x100 fs/inode.c:235 [<0000000065fc2581>] new_inode_pseudo+0x13/0x70 fs/inode.c:927 [<0000000083e3031a>] get_pipe_inode fs/pipe.c:855 [inline] [<0000000083e3031a>] create_pipe_files+0x2b/0x2e0 fs/pipe.c:895 [<000000002a1a2cac>] umd_setup+0x33/0x220 kernel/usermode_driver.c:104 [<0000000094177fec>] call_usermodehelper_exec_async+0xb4/0x1b0 kernel/umh.c:101 [<000000009ad83039>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 BUG: memory leak unreferenced object 0xffff88810fb69f00 (size 192): comm "kworker/u4:1", pid 8465, jiffies 4294966384 (age 8.320s) hex dump (first 32 bytes): 00 00 50 40 02 00 00 00 00 00 00 00 00 00 00 00 ..P@............ 00 00 00 00 00 00 00 00 00 9f b6 0f 81 88 ff ff ................ backtrace: [<0000000092e2bb34>] __d_alloc+0x2a/0x270 fs/dcache.c:1716 [<0000000040c3d84c>] d_alloc_pseudo+0x19/0x40 fs/dcache.c:1845 [<00000000dfaab57e>] alloc_file_pseudo+0x5f/0x140 fs/file_table.c:225 [<000000005a989f90>] create_pipe_files+0x138/0x2e0 fs/pipe.c:911 [<000000002a1a2cac>] umd_setup+0x33/0x220 kernel/usermode_driver.c:104 [<0000000094177fec>] call_usermodehelper_exec_async+0xb4/0x1b0 kernel/umh.c:101 [<000000009ad83039>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 BUG: memory leak unreferenced object 0xffff888101835200 (size 232): comm "kworker/u4:1", pid 8465, jiffies 4294966384 (age 8.320s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ e0 47 04 01 81 88 ff ff 00 9f b6 0f 81 88 ff ff .G.............. backtrace: [<0000000016d4a601>] kmem_cache_zalloc include/linux/slab.h:672 [inline] [<0000000016d4a601>] __alloc_file+0x1f/0xf0 fs/file_table.c:101 [<00000000547bad1f>] alloc_empty_file+0x69/0x120 fs/file_table.c:150 [<0000000017e6cdc5>] alloc_file+0x33/0x1b0 fs/file_table.c:192 [<00000000b5d75c4c>] alloc_file_pseudo+0xb2/0x140 fs/file_table.c:232 [<000000005a989f90>] create_pipe_files+0x138/0x2e0 fs/pipe.c:911 [<000000002a1a2cac>] umd_setup+0x33/0x220 kernel/usermode_driver.c:104 [<0000000094177fec>] call_usermodehelper_exec_async+0xb4/0x1b0 kernel/umh.c:101 [<000000009ad83039>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 BUG: memory leak unreferenced object 0xffff888110d3d840 (size 24): comm "kworker/u4:1", pid 8465, jiffies 4294966384 (age 8.320s) 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: [<00000000cd7c00a8>] kmem_cache_zalloc include/linux/slab.h:672 [inline] [<00000000cd7c00a8>] lsm_file_alloc security/security.c:569 [inline] [<00000000cd7c00a8>] security_file_alloc+0x2a/0xb0 security/security.c:1457 [<000000003456a36f>] __alloc_file+0x5d/0xf0 fs/file_table.c:106 [<00000000547bad1f>] alloc_empty_file+0x69/0x120 fs/file_table.c:150 [<0000000017e6cdc5>] alloc_file+0x33/0x1b0 fs/file_table.c:192 [<00000000b5d75c4c>] alloc_file_pseudo+0xb2/0x140 fs/file_table.c:232 [<000000005a989f90>] create_pipe_files+0x138/0x2e0 fs/pipe.c:911 [<000000002a1a2cac>] umd_setup+0x33/0x220 kernel/usermode_driver.c:104 [<0000000094177fec>] call_usermodehelper_exec_async+0xb4/0x1b0 kernel/umh.c:101 [<000000009ad83039>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296