INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes [ 963.945295] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.86' (ECDSA) to the list of known hosts. [ 969.388061] random: sshd: uninitialized urandom read (32 bytes read) [ 969.481869] audit: type=1400 audit(1559985226.217:7): avc: denied { map } for pid=1948 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/06/08 09:13:47 parsed 1 programs [ 970.518631] audit: type=1400 audit(1559985227.247:8): avc: denied { map } for pid=1948 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=5028 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 970.853523] random: cc1: uninitialized urandom read (8 bytes read) 2019/06/08 09:13:48 executed programs: 0 [ 971.995423] audit: type=1400 audit(1559985228.727:9): avc: denied { map } for pid=1948 comm="syz-execprog" path="/root/syzkaller-shm380947541" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 2019/06/08 09:13:53 executed programs: 70 2019/06/08 09:13:58 executed programs: 186 2019/06/08 09:14:03 executed programs: 298 2019/06/08 09:14:08 executed programs: 413 2019/06/08 09:14:13 executed programs: 533 2019/06/08 09:14:18 executed programs: 649 2019/06/08 09:14:23 executed programs: 758 2019/06/08 09:14:28 executed programs: 869 2019/06/08 09:14:33 executed programs: 986 2019/06/08 09:14:38 executed programs: 1099 2019/06/08 09:14:44 executed programs: 1216 2019/06/08 09:14:49 executed programs: 1331 2019/06/08 09:14:54 executed programs: 1438 2019/06/08 09:14:59 executed programs: 1560 2019/06/08 09:15:04 executed programs: 1678 2019/06/08 09:15:09 executed programs: 1788 2019/06/08 09:15:14 executed programs: 1904 2019/06/08 09:15:19 executed programs: 2016 2019/06/08 09:15:24 executed programs: 2136 2019/06/08 09:15:29 executed programs: 2220 2019/06/08 09:15:34 executed programs: 2302 2019/06/08 09:15:39 executed programs: 2418 2019/06/08 09:15:44 executed programs: 2532 2019/06/08 09:15:49 executed programs: 2649 2019/06/08 09:15:54 executed programs: 2756 2019/06/08 09:15:59 executed programs: 2871 2019/06/08 09:16:04 executed programs: 2983 2019/06/08 09:16:09 executed programs: 3095 2019/06/08 09:16:14 executed programs: 3211 2019/06/08 09:16:19 executed programs: 3323 2019/06/08 09:16:24 executed programs: 3436 2019/06/08 09:16:29 executed programs: 3543 2019/06/08 09:16:34 executed programs: 3652 [ 1165.080076] audit: type=1400 audit(1559985421.807:10): avc: denied { map } for pid=19669 comm="sh" path="/bin/dash" dev="sda1" ino=1473 scontext=system_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 1288.160210] INFO: task syz-executor.0:19664 blocked for more than 140 seconds. [ 1288.167691] Not tainted 4.14.123+ #2 [ 1288.172906] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1288.180911] syz-executor.0 D28808 19664 1963 0x80000000 [ 1288.186551] Call Trace: [ 1288.189258] ? __schedule+0x91c/0x1f30 [ 1288.193596] ? __sched_text_start+0x8/0x8 [ 1288.197845] ? mark_held_locks+0xa6/0xf0 [ 1288.202261] ? rwsem_down_read_failed+0x21f/0x3c0 [ 1288.207115] schedule+0x92/0x1c0 [ 1288.210901] rwsem_down_read_failed+0x21f/0x3c0 [ 1288.215588] ? rt_mutex_futex_unlock+0xe0/0xe0 [ 1288.220589] ? __might_fault+0x104/0x1b0 [ 1288.224737] ? SyS_futex+0x1c5/0x2c3 [ 1288.228457] ? SyS_futex+0x1cf/0x2c3 [ 1288.232562] ? do_futex+0x1980/0x1980 [ 1288.236435] call_rwsem_down_read_failed+0x14/0x30 [ 1288.241759] down_read+0x45/0xa0 [ 1288.245179] ? do_exit+0x503/0x2960 [ 1288.248807] do_exit+0x503/0x2960 [ 1288.252658] ? mm_update_next_owner+0x5b0/0x5b0 [ 1288.258867] ? do_group_exit+0x26b/0x2e0 [ 1288.263328] ? lock_downgrade+0x5d0/0x5d0 [ 1288.267570] ? kick_process+0xef/0x180 [ 1288.271872] ? _raw_spin_unlock_irq+0x24/0x50 [ 1288.276390] ? do_group_exit+0x100/0x2e0 [ 1288.280815] ? SyS_exit_group+0x19/0x20 [ 1288.284797] ? do_group_exit+0x2e0/0x2e0 [ 1288.288919] ? do_syscall_64+0x19b/0x510 [ 1288.293412] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1288.298824] INFO: task syz-executor.0:19666 blocked for more than 140 seconds. [ 1288.307337] Not tainted 4.14.123+ #2 [ 1288.311612] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1288.319771] syz-executor.0 D28912 19666 1963 0x80000000 [ 1288.326420] Call Trace: [ 1288.329041] ? __schedule+0x91c/0x1f30 [ 1288.333283] ? __sched_text_start+0x8/0x8 [ 1288.337462] ? mark_held_locks+0xa6/0xf0 [ 1288.341892] ? rwsem_down_read_failed+0x21f/0x3c0 [ 1288.346758] schedule+0x92/0x1c0 [ 1288.350468] rwsem_down_read_failed+0x21f/0x3c0 [ 1288.355160] ? rt_mutex_futex_unlock+0xe0/0xe0 [ 1288.359760] ? __might_fault+0x104/0x1b0 [ 1288.364209] ? SyS_futex+0x1c5/0x2c3 [ 1288.367942] ? SyS_futex+0x1cf/0x2c3 [ 1288.372028] ? do_futex+0x1980/0x1980 [ 1288.375853] call_rwsem_down_read_failed+0x14/0x30 [ 1288.381142] down_read+0x45/0xa0 [ 1288.384522] ? do_exit+0x503/0x2960 [ 1288.388150] do_exit+0x503/0x2960 [ 1288.392002] ? drop_futex_key_refs.isra.0+0x17/0xa0 [ 1288.397034] ? futex_wake+0x14b/0x430 [ 1288.401274] ? mm_update_next_owner+0x5b0/0x5b0 [ 1288.406030] ? get_signal+0x2e3/0x1a90 [ 1288.409931] ? lock_downgrade+0x5d0/0x5d0 [ 1288.414482] ? lock_acquire+0x10f/0x380 [ 1288.418481] ? get_signal+0x1d6/0x1a90 [ 1288.422768] ? do_group_exit+0x100/0x2e0 [ 1288.426881] ? get_signal+0x34e/0x1a90 [ 1288.431738] ? trace_hardirqs_on+0x10/0x10 [ 1288.436066] ? do_signal+0x96/0x15d0 [ 1288.439855] ? get_unused_fd_flags+0xc0/0xc0 [ 1288.444737] ? __might_fault+0x104/0x1b0 [ 1288.448818] ? setup_sigcontext+0x810/0x810 [ 1288.453482] ? lock_acquire+0x10f/0x380 [ 1288.457471] ? __might_fault+0xd4/0x1b0 [ 1288.461879] ? _copy_to_user+0x82/0xd0 [ 1288.465797] ? SyS_futex+0x1c5/0x2c3 [ 1288.469511] ? SyS_futex+0x1cf/0x2c3 [ 1288.473620] ? do_futex+0x1980/0x1980 [ 1288.477445] ? exit_to_usermode_loop+0xcd/0x160 [ 1288.482471] ? exit_to_usermode_loop+0x11d/0x160 [ 1288.487248] ? do_syscall_64+0x392/0x510 [ 1288.491839] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1288.497244] [ 1288.497244] Showing all locks held in the system: [ 1288.503955] 1 lock held by khungtaskd/23: [ 1288.508163] #0: (tasklist_lock){.+.+}, at: [< (ptrval)>] debug_show_all_locks+0x7c/0x21a [ 1288.517274] 2 locks held by getty/1759: [ 1288.521277] #0: (&tty->ldisc_sem){++++}, at: [< (ptrval)>] tty_ldisc_ref_wait+0x22/0x80 [ 1288.530545] #1: (&ldata->atomic_read_lock){+.+.}, at: [< (ptrval)>] n_tty_read+0x1f7/0x1700 [ 1288.539967] 1 lock held by syz-executor.0/19664: [ 1288.544756] #0: (&mm->mmap_sem){++++}, at: [< (ptrval)>] do_exit+0x503/0x2960 [ 1288.552908] 1 lock held by syz-executor.0/19666: [ 1288.557664] #0: (&mm->mmap_sem){++++}, at: [< (ptrval)>] do_exit+0x503/0x2960 [ 1288.565820] [ 1288.567449] ============================================= [ 1288.567449] [ 1288.575733] NMI backtrace for cpu 1 [ 1288.579384] CPU: 1 PID: 23 Comm: khungtaskd Not tainted 4.14.123+ #2 [ 1288.585877] Call Trace: [ 1288.588527] dump_stack+0xb9/0x10e [ 1288.592119] ? irq_force_complete_move.cold+0x6c/0x7b [ 1288.597318] nmi_cpu_backtrace.cold+0x47/0x86 [ 1288.601821] ? irq_force_complete_move.cold+0x7b/0x7b [ 1288.607104] ? nmi_trigger_cpumask_backtrace+0x119/0x147 [ 1288.612638] ? watchdog+0x5e2/0xb80 [ 1288.616280] ? hungtask_pm_notify+0x60/0x60 [ 1288.620643] ? kthread+0x310/0x420 [ 1288.624186] ? kthread_create_on_node+0xf0/0xf0 [ 1288.628856] ? ret_from_fork+0x3a/0x50 [ 1288.632818] Sending NMI from CPU 1 to CPUs 0: [ 1288.637789] NMI backtrace for cpu 0 [ 1288.637793] CPU: 0 PID: 19667 Comm: syz-executor.0 Not tainted 4.14.123+ #2 [ 1288.637796] task: (ptrval) task.stack: (ptrval) [ 1288.637799] RIP: 0010:mark_lock+0x28/0xfa0 [ 1288.637801] RSP: 0018:ffff8881d69c7860 EFLAGS: 00000002 [ 1288.637807] RAX: dffffc0000000000 RBX: ffff8881d01e9ffa RCX: 0000000000000008 [ 1288.637810] RDX: ffff8881d01e9ff8 RSI: ffff8881d01e9fd8 RDI: ffff8881d01e9780 [ 1288.637813] RBP: ffff8881d69c7a48 R08: 0000000000000001 R09: 000000000004036f [ 1288.637816] R10: ffff8881d01e9fd8 R11: 1ffff1103a03d3fa R12: 0000000000000001 [ 1288.637820] R13: ffff8881d01e9ff8 R14: ffff8881d01e9780 R15: 0000000000000008 [ 1288.637823] FS: 00007f2adb56c700(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 [ 1288.637826] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1288.637829] CR2: 00000000014403e0 CR3: 00000001ca84e002 CR4: 00000000001606b0 [ 1288.637831] Call Trace: [ 1288.637834] __lock_acquire+0x56a/0x3fa0 [ 1288.637836] ? trace_hardirqs_on_caller+0x37b/0x540 [ 1288.637839] ? _raw_spin_unlock_irq+0x35/0x50 [ 1288.637842] ? finish_task_switch+0x1e2/0x620 [ 1288.637844] ? trace_hardirqs_on+0x10/0x10 [ 1288.637847] ? trace_hardirqs_on_caller+0x37b/0x540 [ 1288.637849] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1288.637851] ? retint_kernel+0x2d/0x2d [ 1288.637854] ? perf_mmap+0x50c/0x1390 [ 1288.637856] ? perf_mmap+0x50c/0x1390 [ 1288.637858] lock_acquire+0x10f/0x380 [ 1288.637861] ? perf_mmap+0x50c/0x1390 [ 1288.637863] ? perf_mmap+0x50c/0x1390 [ 1288.637865] __mutex_lock+0xf7/0x1430 [ 1288.637868] ? perf_mmap+0x50c/0x1390 [ 1288.637870] ? perf_mmap+0x50c/0x1390 [ 1288.637872] ? lock_downgrade+0x5d0/0x5d0 [ 1288.637875] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 1288.637878] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1288.637880] ? __mutex_unlock_slowpath+0x9a/0x7d0 [ 1288.637882] ? retint_kernel+0x2d/0x2d [ 1288.637885] ? wait_for_completion_io+0x10/0x10 [ 1288.637887] ? perf_mmap+0x50c/0x1390 [ 1288.637889] perf_mmap+0x50c/0x1390 [ 1288.637892] ? kmem_cache_alloc+0x271/0x2d0 [ 1288.637894] mmap_region+0x7c9/0xf00 [ 1288.637896] do_mmap+0x548/0xb80 [ 1288.637899] vm_mmap_pgoff+0x177/0x1c0 [ 1288.637901] ? vma_is_stack_for_current+0xb0/0xb0 [ 1288.637903] ? __fget+0x226/0x360 [ 1288.637906] SyS_mmap_pgoff+0xf4/0x1b0 [ 1288.637908] ? align_vdso_addr+0x60/0x60 [ 1288.637910] do_syscall_64+0x19b/0x510 [ 1288.637913] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1288.637915] Code: 00 00 00 48 b8 00 00 00 00 00 fc ff df 41 57 89 d1 41 89 d7 41 56 49 89 fe 41 55 4c 8d 6e 20 4c 89 ea 41 54 41 bc 01 00 00 00 55 <48> c1 ea 03 41 d3 e4 48 89 f5 53 48 83 ec 18 0f b6 04 02 84 c0 [ 1288.639452] Kernel panic - not syncing: hung_task: blocked tasks [ 1288.891955] CPU: 1 PID: 23 Comm: khungtaskd Not tainted 4.14.123+ #2 [ 1288.898442] Call Trace: [ 1288.901037] dump_stack+0xb9/0x10e [ 1288.904585] panic+0x1d9/0x3c2 [ 1288.907786] ? add_taint.cold+0x16/0x16 [ 1288.911810] ? irq_force_complete_move.cold+0x7b/0x7b [ 1288.917010] ? ___preempt_schedule+0x16/0x18 [ 1288.921445] watchdog+0x5f3/0xb80 [ 1288.924914] ? hungtask_pm_notify+0x60/0x60 [ 1288.929247] kthread+0x310/0x420 [ 1288.932618] ? kthread_create_on_node+0xf0/0xf0 [ 1288.937287] ret_from_fork+0x3a/0x50 [ 1288.941325] Kernel Offset: 0x2bc00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 1288.952347] Rebooting in 86400 seconds..