Warning: Permanently added '10.128.1.122' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1001.320601] INFO: task syz-executor109:16912 blocked for more than 140 seconds. [ 1001.328146] Not tainted 4.14.274-syzkaller #0 [ 1001.335351] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1001.343945] syz-executor109 D28912 16912 7968 0x00000004 [ 1001.349575] Call Trace: [ 1001.353706] __schedule+0x88b/0x1de0 [ 1001.357421] ? io_schedule_timeout+0x140/0x140 [ 1001.363820] ? mark_held_locks+0xa6/0xf0 [ 1001.367876] ? _raw_spin_unlock_irq+0x24/0x80 [ 1001.373205] ? rwsem_down_read_failed+0x1e6/0x350 [ 1001.378040] schedule+0x8d/0x1b0 [ 1001.382420] rwsem_down_read_failed+0x1e6/0x350 [ 1001.387078] ? rt_mutex_futex_unlock+0xc0/0xc0 [ 1001.392518] ? check_preemption_disabled+0x35/0x240 [ 1001.397537] call_rwsem_down_read_failed+0x14/0x30 [ 1001.403376] down_read+0x44/0x80 [ 1001.406736] ? __do_page_fault+0x7b8/0xad0 [ 1001.411939] __do_page_fault+0x7b8/0xad0 [ 1001.416001] ? spurious_fault+0x640/0x640 [ 1001.420142] ? do_page_fault+0x60/0x500 [ 1001.425359] ? page_fault+0x2f/0x50 [ 1001.428981] page_fault+0x45/0x50 [ 1001.433304] RIP: 5367041c:0x7ffc02057030 [ 1001.437351] RSP: 0064:0000000000000032 EFLAGS: 7ffc02057010 [ 1001.437413] INFO: task syz-executor109:16913 blocked for more than 140 seconds. [ 1001.451895] Not tainted 4.14.274-syzkaller #0 [ 1001.456898] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1001.465960] syz-executor109 D29112 16913 7968 0x80000004 [ 1001.472321] Call Trace: [ 1001.474918] __schedule+0x88b/0x1de0 [ 1001.478655] ? io_schedule_timeout+0x140/0x140 [ 1001.485081] ? mark_held_locks+0xa6/0xf0 [ 1001.489141] ? _raw_spin_unlock_irq+0x24/0x80 [ 1001.494683] ? rwsem_down_read_failed+0x1e6/0x350 [ 1001.499520] schedule+0x8d/0x1b0 [ 1001.503796] rwsem_down_read_failed+0x1e6/0x350 [ 1001.508461] ? rt_mutex_futex_unlock+0xc0/0xc0 [ 1001.513936] call_rwsem_down_read_failed+0x14/0x30 [ 1001.518860] down_read+0x44/0x80 [ 1001.523102] ? do_exit+0x598/0x2850 [ 1001.526727] do_exit+0x598/0x2850 [ 1001.530168] ? futex_lock_pi_atomic+0x2e0/0x2e0 [ 1001.536079] ? hash_futex+0x12/0x200 [ 1001.539792] ? mm_update_next_owner+0x5b0/0x5b0 [ 1001.545357] ? get_signal+0x323/0x1ca0 [ 1001.549239] ? lock_acquire+0x170/0x3f0 [ 1001.555198] ? lock_downgrade+0x740/0x740 [ 1001.559357] do_group_exit+0x100/0x2e0 [ 1001.564255] get_signal+0x38d/0x1ca0 [ 1001.567968] ? do_futex+0x127/0x1570 [ 1001.572579] do_signal+0x7c/0x1550 [ 1001.576129] ? call_rwsem_wake+0x17/0x30 [ 1001.580186] ? setup_sigcontext+0x820/0x820 [ 1001.585863] ? vm_mmap_pgoff+0x168/0x1a0 [ 1001.589920] ? vm_mmap_pgoff+0xcb/0x1a0 [ 1001.595005] ? vma_is_stack_for_current+0xb0/0xb0 [ 1001.599851] ? SyS_futex+0x1da/0x290 [ 1001.604504] ? SyS_futex+0x1e3/0x290 [ 1001.608216] ? SyS_mmap_pgoff+0x25e/0x510 [ 1001.613818] ? exit_to_usermode_loop+0x41/0x200 [ 1001.618485] exit_to_usermode_loop+0x160/0x200 [ 1001.623932] do_syscall_64+0x4a3/0x640 [ 1001.627819] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1001.633891] RIP: 0033:0x7f10535e8b39 [ 1001.637595] RSP: 002b:00007f105359a318 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1001.646189] RAX: fffffffffffffe00 RBX: 00007f1053670408 RCX: 00007f10535e8b39 [ 1001.654019] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f1053670408 [ 1001.661837] RBP: 00007f1053670400 R08: 0000000000000000 R09: 0000000000000000 [ 1001.669096] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f105363e074 [ 1001.677245] R13: 00007ffc02056f5f R14: 00007f105359a400 R15: 0000000000022000 [ 1001.685107] [ 1001.685107] Showing all locks held in the system: [ 1001.692020] 1 lock held by khungtaskd/1532: [ 1001.696409] #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7c/0x21a [ 1001.705498] 1 lock held by syz-executor109/16912: [ 1001.710325] #0: (&mm->mmap_sem){++++}, at: [] __do_page_fault+0x7b8/0xad0 [ 1001.719031] 1 lock held by syz-executor109/16913: [ 1001.723916] #0: (&mm->mmap_sem){++++}, at: [] do_exit+0x598/0x2850 [ 1001.732022] [ 1001.733633] ============================================= [ 1001.733633] [ 1001.741493] NMI backtrace for cpu 0 [ 1001.745116] CPU: 0 PID: 1532 Comm: khungtaskd Not tainted 4.14.274-syzkaller #0 [ 1001.752541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1001.761876] Call Trace: [ 1001.764448] dump_stack+0x1b2/0x281 [ 1001.768065] nmi_cpu_backtrace.cold+0x57/0x93 [ 1001.772548] ? irq_force_complete_move+0x350/0x350 [ 1001.777469] nmi_trigger_cpumask_backtrace+0x13a/0x180 [ 1001.782730] watchdog+0x5b9/0xb40 [ 1001.786170] ? hungtask_pm_notify+0x50/0x50 [ 1001.790481] kthread+0x30d/0x420 [ 1001.793832] ? kthread_create_on_node+0xd0/0xd0 [ 1001.798485] ret_from_fork+0x24/0x30 [ 1001.802350] Sending NMI from CPU 0 to CPUs 1: [ 1001.807151] NMI backtrace for cpu 1 [ 1001.807156] CPU: 1 PID: 16914 Comm: syz-executor109 Not tainted 4.14.274-syzkaller #0 [ 1001.807159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1001.807162] task: ffff88809aa10580 task.stack: ffff888093a08000 [ 1001.807165] RIP: 0010:lock_release+0x528/0x870 [ 1001.807167] RSP: 0018:ffff888093a0fb00 EFLAGS: 00000806 [ 1001.807172] RAX: 0000000000000000 RBX: 1ffff11012741f63 RCX: 1ffff110135421c6 [ 1001.807175] RDX: 1ffff110135421c0 RSI: 0000000000000002 RDI: ffff88809aa10580 [ 1001.807179] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 [ 1001.807182] R10: 0000000000000000 R11: ffff88809aa10580 R12: 7c16b83a7c1411fc [ 1001.807185] R13: 0000000000000003 R14: ffff88809aa10580 R15: 0000000000000002 [ 1001.807189] FS: 00007f1053579700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 1001.807192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1001.807195] CR2: 00007f1e1958c000 CR3: 000000009adb2000 CR4: 00000000003406e0 [ 1001.807198] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1001.807201] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1001.807203] Call Trace: [ 1001.807205] ? lock_downgrade+0x740/0x740 [ 1001.807208] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1001.807210] __mutex_unlock_slowpath+0x75/0x770 [ 1001.807213] ? wait_for_completion_io+0x10/0x10 [ 1001.807215] perf_mmap+0x635/0x1390 [ 1001.807217] ? kmem_cache_alloc+0x35f/0x3c0 [ 1001.807219] mmap_region+0xa1a/0x1220 [ 1001.807221] do_mmap+0x5b3/0xcb0 [ 1001.807223] vm_mmap_pgoff+0x14e/0x1a0 [ 1001.807226] ? vma_is_stack_for_current+0xb0/0xb0 [ 1001.807228] SyS_mmap_pgoff+0x249/0x510 [ 1001.807231] ? find_mergeable_anon_vma+0x230/0x230 [ 1001.807233] ? fput_many+0xe/0x140 [ 1001.807235] ? do_syscall_64+0x4c/0x640 [ 1001.807237] ? align_vdso_addr+0x250/0x250 [ 1001.807239] do_syscall_64+0x1d5/0x640 [ 1001.807242] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1001.807244] RIP: 0033:0x7f10535e8b39 [ 1001.807246] RSP: 002b:00007f1053579308 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 1001.807252] RAX: ffffffffffffffda RBX: 00007f1053670418 RCX: 00007f10535e8b39 [ 1001.807255] RDX: 0000000000000000 RSI: 0000000000002000 RDI: 0000000020395000 [ 1001.807258] RBP: 00007f1053670410 R08: 0000000000000003 R09: 0000000000000000 [ 1001.807261] R10: 0000000000000011 R11: 0000000000000246 R12: 00007f105363e074 [ 1001.807265] R13: 00007ffc02056f5f R14: 00007f1053579400 R15: 0000000000022000 [ 1001.807266] Code: 0f ad c0 7e 0f 85 42 fc ff ff e8 c0 49 be ff e9 38 fc ff ff 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 08 48 c1 ea 03 0f b6 04 02 <84> c0 74 08 3c 03 0f 8e de 02 00 00 45 8d 4f ff 45 39 8e 80 08 [ 1001.808472] Kernel panic - not syncing: hung_task: blocked tasks [ 1002.063565] CPU: 0 PID: 1532 Comm: khungtaskd Not tainted 4.14.274-syzkaller #0 [ 1002.070994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1002.080328] Call Trace: [ 1002.082902] dump_stack+0x1b2/0x281 [ 1002.086520] panic+0x1f9/0x42d [ 1002.089709] ? add_taint.cold+0x16/0x16 [ 1002.093676] watchdog+0x5ca/0xb40 [ 1002.097118] ? hungtask_pm_notify+0x50/0x50 [ 1002.101424] kthread+0x30d/0x420 [ 1002.104773] ? kthread_create_on_node+0xd0/0xd0 [ 1002.109427] ret_from_fork+0x24/0x30 [ 1002.113427] Kernel Offset: disabled [ 1002.117035] Rebooting in 86400 seconds..