[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.108' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 61.166462][ T8396] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888110b38b00 (size 232): comm "kworker/u4:1", pid 8402, jiffies 4294942325 (age 12.750s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ e0 0b 2e 01 81 88 ff ff 80 5a d4 0f 81 88 ff ff .........Z...... backtrace: [] __alloc_file+0x1f/0xf0 [] alloc_empty_file+0x69/0x120 [] alloc_file+0x33/0x1b0 [] alloc_file_clone+0x22/0x70 [] create_pipe_files+0x182/0x2e0 [] umd_setup+0xad/0x220 [] call_usermodehelper_exec_async+0xb4/0x1b0 [] ret_from_fork+0x1f/0x30 BUG: memory leak unreferenced object 0xffff88810e62d7f8 (size 24): comm "kworker/u4:1", pid 8402, jiffies 4294942325 (age 12.750s) 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: [] security_file_alloc+0x2a/0xb0 [] __alloc_file+0x5d/0xf0 [] alloc_empty_file+0x69/0x120 [] alloc_file+0x33/0x1b0 [] alloc_file_clone+0x22/0x70 [] create_pipe_files+0x182/0x2e0 [] umd_setup+0xad/0x220 [] call_usermodehelper_exec_async+0xb4/0x1b0 [] ret_from_fork+0x1f/0x30