Warning: Permanently added '10.128.0.247' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program syzkaller login: [ 685.342777][ T1041] INFO: task syz-executor295:7582 blocked for more than 140 seconds. [ 685.351039][ T1041] Not tainted 5.0.0-rc6-next-20190215 #36 [ 685.357575][ T1041] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 685.366339][ T1041] syz-executor295 D28064 7582 7580 0x00000000 [ 685.372726][ T1041] Call Trace: [ 685.376028][ T1041] __schedule+0x817/0x1cc0 [ 685.380437][ T1041] ? __mutex_lock+0x721/0x1310 [ 685.385284][ T1041] ? __sched_text_start+0x8/0x8 [ 685.390148][ T1041] schedule+0x92/0x180 [ 685.394347][ T1041] schedule_preempt_disabled+0x13/0x20 [ 685.399815][ T1041] __mutex_lock+0x726/0x1310 [ 685.404451][ T1041] ? find_held_lock+0x35/0x130 [ 685.409214][ T1041] ? fuse_lock_inode+0xba/0xf0 [ 685.414099][ T1041] ? mutex_trylock+0x1e0/0x1e0 [ 685.418878][ T1041] ? d_alloc_parallel+0x7b0/0x1bc0 [ 685.424345][ T1041] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 685.430598][ T1041] ? kasan_check_read+0x11/0x20 [ 685.435829][ T1041] mutex_lock_nested+0x16/0x20 [ 685.440591][ T1041] ? mutex_lock_nested+0x16/0x20 [ 685.445598][ T1041] fuse_lock_inode+0xba/0xf0 [ 685.450204][ T1041] fuse_lookup+0x8e/0x350 [ 685.454601][ T1041] ? fuse_lookup_name+0x670/0x670 [ 685.459625][ T1041] ? __d_lookup_rcu+0x6c0/0x6c0 [ 685.464529][ T1041] ? lockref_get_not_dead+0x70/0x90 [ 685.469727][ T1041] ? unlazy_walk+0x1b6/0x560 [ 685.474361][ T1041] ? lockdep_init_map+0x10c/0x5b0 [ 685.479386][ T1041] ? lockdep_init_map+0x10c/0x5b0 [ 685.484448][ T1041] __lookup_slow+0x27e/0x500 [ 685.489099][ T1041] ? vfs_unlink+0x560/0x560 [ 685.493945][ T1041] ? kasan_check_read+0x11/0x20 [ 685.498817][ T1041] lookup_slow+0x58/0x80 [ 685.503117][ T1041] walk_component+0x74b/0x2000 [ 685.507886][ T1041] ? path_init+0x122c/0x18f0 [ 685.512520][ T1041] ? path_init+0x18f0/0x18f0 [ 685.517101][ T1041] ? fuse_allow_current_process+0x113/0x350 [ 685.523816][ T1041] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 685.530292][ T1041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.536630][ T1041] ? security_inode_permission+0xd5/0x110 [ 685.542398][ T1041] ? inode_permission+0xb4/0x570 [ 685.547324][ T1041] link_path_walk.part.0+0x980/0x1340 [ 685.552746][ T1041] ? walk_component+0x2000/0x2000 [ 685.557769][ T1041] path_openat+0x202/0x46e0 [ 685.562305][ T1041] ? __lock_acquire+0x55d/0x4710 [ 685.567233][ T1041] ? getname+0x1a/0x20 [ 685.571278][ T1041] ? do_sys_open+0x2c9/0x5d0 [ 685.575916][ T1041] ? path_lookupat.isra.0+0x8d0/0x8d0 [ 685.581307][ T1041] ? cache_grow_end+0xa4/0x190 [ 685.586164][ T1041] ? __alloc_fd+0x430/0x530 [ 685.590670][ T1041] do_filp_open+0x1a1/0x280 [ 685.595228][ T1041] ? may_open_dev+0x100/0x100 [ 685.599905][ T1041] ? kasan_check_read+0x11/0x20 [ 685.604801][ T1041] ? do_raw_spin_unlock+0x57/0x270 [ 685.609921][ T1041] ? _raw_spin_unlock+0x2d/0x50 [ 685.614856][ T1041] ? __alloc_fd+0x430/0x530 [ 685.619372][ T1041] do_sys_open+0x3fe/0x5d0 [ 685.623925][ T1041] ? filp_open+0x80/0x80 [ 685.628467][ T1041] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 685.634043][ T1041] ? do_syscall_64+0x26/0x610 [ 685.638720][ T1041] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 685.644845][ T1041] ? do_syscall_64+0x26/0x610 [ 685.649517][ T1041] __x64_sys_open+0x7e/0xc0 [ 685.654159][ T1041] do_syscall_64+0x103/0x610 [ 685.658820][ T1041] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 685.664774][ T1041] RIP: 0033:0x444910 [ 685.668676][ T1041] Code: Bad RIP value. [ 685.672787][ T1041] RSP: 002b:00007ffc6a7035d0 EFLAGS: 00000202 ORIG_RAX: 0000000000000002 [ 685.681187][ T1041] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000444910 [ 685.689403][ T1041] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004ae75e [ 685.697500][ T1041] RBP: 0000000000001db9 R08: 0000000000001d9e R09: 00000000019ff880 [ 685.705515][ T1041] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc6a703800 [ 685.713535][ T1041] R13: 0000000000407360 R14: 0000000000000000 R15: 0000000000000000 [ 685.721616][ T1041] INFO: task syz-executor295:7610 blocked for more than 140 seconds. [ 685.729672][ T1041] Not tainted 5.0.0-rc6-next-20190215 #36 [ 685.735965][ T1041] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 685.744841][ T1041] syz-executor295 D28176 7610 7582 0x00000004 [ 685.751166][ T1041] Call Trace: [ 685.754504][ T1041] __schedule+0x817/0x1cc0 [ 685.759048][ T1041] ? __mutex_lock+0x721/0x1310 [ 685.763912][ T1041] ? __sched_text_start+0x8/0x8 [ 685.768833][ T1041] schedule+0x92/0x180 [ 685.773117][ T1041] schedule_preempt_disabled+0x13/0x20 [ 685.778594][ T1041] __mutex_lock+0x726/0x1310 [ 685.783232][ T1041] ? find_held_lock+0x35/0x130 [ 685.788002][ T1041] ? fuse_lock_inode+0xba/0xf0 [ 685.792804][ T1041] ? mutex_trylock+0x1e0/0x1e0 [ 685.797558][ T1041] ? d_alloc_parallel+0x7b0/0x1bc0 [ 685.802700][ T1041] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 685.808958][ T1041] ? kasan_check_read+0x11/0x20 [ 685.813865][ T1041] mutex_lock_nested+0x16/0x20 [ 685.818813][ T1041] ? mutex_lock_nested+0x16/0x20 [ 685.823788][ T1041] fuse_lock_inode+0xba/0xf0 [ 685.828374][ T1041] fuse_lookup+0x8e/0x350 [ 685.832779][ T1041] ? fuse_lookup_name+0x670/0x670 [ 685.837822][ T1041] ? __d_lookup_rcu+0x6c0/0x6c0 [ 685.842723][ T1041] ? lockref_get_not_dead+0x70/0x90 [ 685.848081][ T1041] ? unlazy_walk+0x1b6/0x560 [ 685.852732][ T1041] ? lockdep_init_map+0x10c/0x5b0 [ 685.857760][ T1041] ? lockdep_init_map+0x10c/0x5b0 [ 685.863057][ T1041] __lookup_slow+0x27e/0x500 [ 685.867679][ T1041] ? vfs_unlink+0x560/0x560 [ 685.872229][ T1041] ? kasan_check_read+0x11/0x20 [ 685.877263][ T1041] lookup_slow+0x58/0x80 [ 685.881536][ T1041] walk_component+0x74b/0x2000 [ 685.886297][ T1041] ? path_init+0x122c/0x18f0 [ 685.890878][ T1041] ? path_init+0x18f0/0x18f0 [ 685.895530][ T1041] ? fuse_allow_current_process+0x113/0x350 [ 685.901485][ T1041] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 685.907709][ T1041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.913999][ T1041] ? security_inode_permission+0xd5/0x110 [ 685.919714][ T1041] ? inode_permission+0xb4/0x570 [ 685.924682][ T1041] link_path_walk.part.0+0x980/0x1340 [ 685.930049][ T1041] ? walk_component+0x2000/0x2000 [ 685.935134][ T1041] path_openat+0x202/0x46e0 [ 685.939627][ T1041] ? __lock_acquire+0x55d/0x4710 [ 685.944591][ T1041] ? getname_flags+0xd6/0x5b0 [ 685.949255][ T1041] ? getname+0x1a/0x20 [ 685.953532][ T1041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 685.959770][ T1041] ? path_lookupat.isra.0+0x8d0/0x8d0 [ 685.965173][ T1041] ? mark_held_locks+0xf0/0xf0 [ 685.969979][ T1041] ? cache_grow_end+0xa4/0x190 [ 685.974813][ T1041] do_filp_open+0x1a1/0x280 [ 685.979315][ T1041] ? __alloc_fd+0x430/0x530 [ 685.983915][ T1041] ? may_open_dev+0x100/0x100 [ 685.988609][ T1041] ? kasan_check_read+0x11/0x20 [ 685.993510][ T1041] ? do_raw_spin_unlock+0x57/0x270 [ 685.998629][ T1041] do_sys_open+0x3fe/0x5d0 [ 686.003090][ T1041] ? filp_open+0x80/0x80 [ 686.007511][ T1041] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 686.013015][ T1041] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 686.018470][ T1041] ? do_syscall_64+0x26/0x610 [ 686.023188][ T1041] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 686.029263][ T1041] ? do_syscall_64+0x26/0x610 [ 686.034002][ T1041] __x64_sys_openat+0x9d/0x100 [ 686.038948][ T1041] do_syscall_64+0x103/0x610 [ 686.043590][ T1041] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 686.049475][ T1041] RIP: 0033:0x446519 [ 686.053408][ T1041] Code: Bad RIP value. [ 686.057464][ T1041] RSP: 002b:00007f2ba34efdb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 686.066022][ T1041] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446519 [ 686.074032][ T1041] RDX: 0000000000000002 RSI: 00000000200002c0 RDI: ffffffffffffff9c [ 686.082021][ T1041] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 686.090135][ T1041] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 686.098211][ T1041] R13: 00007ffc6a70376f R14: 00007f2ba34f09c0 R15: 20c49ba5e353f7cf [ 686.106221][ T1041] INFO: task syz-executor295:7613 blocked for more than 140 seconds. [ 686.114306][ T1041] Not tainted 5.0.0-rc6-next-20190215 #36 [ 686.120537][ T1041] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 686.129246][ T1041] syz-executor295 D27944 7613 7582 0x00000004 [ 686.135929][ T1041] Call Trace: [ 686.139207][ T1041] __schedule+0x817/0x1cc0 [ 686.143654][ T1041] ? __sched_text_start+0x8/0x8 [ 686.148672][ T1041] ? lock_downgrade+0x880/0x880 [ 686.153645][ T1041] schedule+0x92/0x180 [ 686.157729][ T1041] d_alloc_parallel+0x11cc/0x1bc0 [ 686.162986][ T1041] ? __d_lookup_rcu+0x6c0/0x6c0 [ 686.167839][ T1041] ? lockref_get_not_dead+0x70/0x90 [ 686.173075][ T1041] ? unlazy_walk+0x1b6/0x560 [ 686.177773][ T1041] ? wake_up_q+0xf0/0xf0 [ 686.182327][ T1041] ? lockdep_init_map+0x10c/0x5b0 [ 686.187497][ T1041] __lookup_slow+0x1ab/0x500 [ 686.192172][ T1041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.198423][ T1041] ? vfs_unlink+0x560/0x560 [ 686.203253][ T1041] ? kasan_check_read+0x11/0x20 [ 686.208132][ T1041] lookup_slow+0x58/0x80 [ 686.212428][ T1041] walk_component+0x74b/0x2000 [ 686.217192][ T1041] ? path_init+0x122c/0x18f0 [ 686.221930][ T1041] ? path_init+0x18f0/0x18f0 [ 686.226539][ T1041] ? fuse_allow_current_process+0x113/0x350 [ 686.232684][ T1041] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 686.239016][ T1041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.245339][ T1041] ? security_inode_permission+0xd5/0x110 [ 686.251216][ T1041] ? inode_permission+0xb4/0x570 [ 686.256282][ T1041] link_path_walk.part.0+0x980/0x1340 [ 686.261710][ T1041] ? walk_component+0x2000/0x2000 [ 686.266878][ T1041] path_openat+0x202/0x46e0 [ 686.271399][ T1041] ? __lock_acquire+0x55d/0x4710 [ 686.276426][ T1041] ? getname_flags+0xd6/0x5b0 [ 686.281097][ T1041] ? getname+0x1a/0x20 [ 686.285263][ T1041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.291553][ T1041] ? path_lookupat.isra.0+0x8d0/0x8d0 [ 686.296920][ T1041] ? mark_held_locks+0xf0/0xf0 [ 686.301941][ T1041] ? cache_grow_end+0xa4/0x190 [ 686.306741][ T1041] do_filp_open+0x1a1/0x280 [ 686.311224][ T1041] ? __alloc_fd+0x430/0x530 [ 686.315766][ T1041] ? may_open_dev+0x100/0x100 [ 686.320444][ T1041] ? kasan_check_read+0x11/0x20 [ 686.325337][ T1041] ? do_raw_spin_unlock+0x57/0x270 [ 686.330452][ T1041] do_sys_open+0x3fe/0x5d0 [ 686.334906][ T1041] ? filp_open+0x80/0x80 [ 686.339171][ T1041] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 686.344751][ T1041] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 686.350234][ T1041] ? do_syscall_64+0x26/0x610 [ 686.354985][ T1041] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 686.361063][ T1041] ? do_syscall_64+0x26/0x610 [ 686.365831][ T1041] __x64_sys_openat+0x9d/0x100 [ 686.370600][ T1041] do_syscall_64+0x103/0x610 [ 686.375247][ T1041] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 686.381140][ T1041] RIP: 0033:0x446519 [ 686.385131][ T1041] Code: Bad RIP value. [ 686.389202][ T1041] RSP: 002b:00007f2ba34addb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 686.397691][ T1041] RAX: ffffffffffffffda RBX: 00000000006dbc48 RCX: 0000000000446519 [ 686.405795][ T1041] RDX: 0000000000000002 RSI: 00000000200002c0 RDI: ffffffffffffff9c [ 686.413863][ T1041] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 686.421898][ T1041] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc4c [ 686.429854][ T1041] R13: 00007ffc6a70376f R14: 00007f2ba34ae9c0 R15: 20c49ba5e353f7cf [ 686.437876][ T1041] [ 686.437876][ T1041] Showing all locks held in the system: [ 686.445614][ T1041] 2 locks held by init/1: [ 686.449920][ T1041] #0: 0000000091d74dd6 (&type->i_mutex_dir_key#6){++++}, at: lookup_slow+0x4a/0x80 [ 686.459451][ T1041] #1: 0000000071c69d9c (&fi->mutex){+.+.}, at: fuse_lock_inode+0xba/0xf0 [ 686.468442][ T1041] 1 lock held by khungtaskd/1041: [ 686.473494][ T1041] #0: 000000008bf46afc (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e [ 686.482879][ T1041] 1 lock held by rsyslogd/7467: [ 686.487700][ T1041] #0: 000000003cde5b4e (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 686.496373][ T1041] 2 locks held by cron/7507: [ 686.500958][ T1041] #0: 0000000091d74dd6 (&type->i_mutex_dir_key#6){++++}, at: lookup_slow+0x4a/0x80 [ 686.510744][ T1041] #1: 0000000071c69d9c (&fi->mutex){+.+.}, at: fuse_lock_inode+0xba/0xf0 [ 686.519326][ T1041] 2 locks held by getty/7557: [ 686.524042][ T1041] #0: 0000000097251136 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 686.533016][ T1041] #1: 00000000587fe815 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 686.542690][ T1041] 2 locks held by getty/7558: [ 686.547345][ T1041] #0: 000000008ee8fc18 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 686.556317][ T1041] #1: 00000000ac5d350f (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 686.566098][ T1041] 2 locks held by getty/7559: [ 686.570760][ T1041] #0: 00000000ed67a12d (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 686.579806][ T1041] #1: 00000000f7815014 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 686.589425][ T1041] 2 locks held by getty/7560: [ 686.594171][ T1041] #0: 000000009338420e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 686.603350][ T1041] #1: 000000000b319607 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 686.613004][ T1041] 2 locks held by getty/7561: [ 686.617671][ T1041] #0: 000000006d026e86 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 686.626760][ T1041] #1: 00000000a75c04a8 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 686.636368][ T1041] 2 locks held by getty/7562: [ 686.641246][ T1041] #0: 00000000ed701322 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 686.650308][ T1041] #1: 00000000023d9928 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 686.659950][ T1041] 2 locks held by getty/7563: [ 686.664679][ T1041] #0: 0000000028bfd701 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 686.673668][ T1041] #1: 00000000c5a34606 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 [ 686.683281][ T1041] 2 locks held by syz-executor295/7582: [ 686.688816][ T1041] #0: 0000000091d74dd6 (&type->i_mutex_dir_key#6){++++}, at: lookup_slow+0x4a/0x80 [ 686.698393][ T1041] #1: 0000000071c69d9c (&fi->mutex){+.+.}, at: fuse_lock_inode+0xba/0xf0 [ 686.706982][ T1041] 2 locks held by syz-executor295/7610: [ 686.712662][ T1041] #0: 0000000091d74dd6 (&type->i_mutex_dir_key#6){++++}, at: lookup_slow+0x4a/0x80 [ 686.722109][ T1041] #1: 0000000071c69d9c (&fi->mutex){+.+.}, at: fuse_lock_inode+0xba/0xf0 [ 686.731004][ T1041] 1 lock held by syz-executor295/7613: [ 686.736608][ T1041] #0: 0000000091d74dd6 (&type->i_mutex_dir_key#6){++++}, at: lookup_slow+0x4a/0x80 [ 686.746155][ T1041] [ 686.748466][ T1041] ============================================= [ 686.748466][ T1041] [ 686.756933][ T1041] NMI backtrace for cpu 0 [ 686.761263][ T1041] CPU: 0 PID: 1041 Comm: khungtaskd Not tainted 5.0.0-rc6-next-20190215 #36 [ 686.769913][ T1041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 686.779997][ T1041] Call Trace: [ 686.783283][ T1041] dump_stack+0x172/0x1f0 [ 686.787596][ T1041] nmi_cpu_backtrace.cold+0x63/0xa4 [ 686.792776][ T1041] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 686.798394][ T1041] nmi_trigger_cpumask_backtrace+0x1be/0x236 [ 686.804370][ T1041] arch_trigger_cpumask_backtrace+0x14/0x20 [ 686.810354][ T1041] watchdog+0x9b2/0xeb0 [ 686.814526][ T1041] kthread+0x357/0x430 [ 686.818632][ T1041] ? reset_hung_task_detector+0x30/0x30 [ 686.824391][ T1041] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 686.830901][ T1041] ret_from_fork+0x3a/0x50 [ 686.835397][ T1041] Sending NMI from CPU 0 to CPUs 1: [ 686.840655][ C1] NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0x2/0x10 [ 686.841653][ T1041] Kernel panic - not syncing: hung_task: blocked tasks [ 686.855738][ T1041] CPU: 0 PID: 1041 Comm: khungtaskd Not tainted 5.0.0-rc6-next-20190215 #36 [ 686.864481][ T1041] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 686.874524][ T1041] Call Trace: [ 686.877803][ T1041] dump_stack+0x172/0x1f0 [ 686.882120][ T1041] panic+0x2cb/0x65c [ 686.886000][ T1041] ? __warn_printk+0xf3/0xf3 [ 686.890622][ T1041] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 686.896321][ T1041] ? ___preempt_schedule+0x16/0x18 [ 686.901452][ T1041] ? nmi_trigger_cpumask_backtrace+0x19e/0x236 [ 686.907619][ T1041] ? nmi_trigger_cpumask_backtrace+0x1fa/0x236 [ 686.913903][ T1041] ? nmi_trigger_cpumask_backtrace+0x204/0x236 [ 686.920066][ T1041] ? nmi_trigger_cpumask_backtrace+0x19e/0x236 [ 686.926218][ T1041] watchdog+0x9c3/0xeb0 [ 686.930478][ T1041] kthread+0x357/0x430 [ 686.934555][ T1041] ? reset_hung_task_detector+0x30/0x30 [ 686.940199][ T1041] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 686.946864][ T1041] ret_from_fork+0x3a/0x50 [ 686.952514][ T1041] Kernel Offset: disabled [ 686.956847][ T1041] Rebooting in 86400 seconds..