Starting Load/Save RF Kill Switch Status... [ 59.581249][ T6736] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6736 [ 59.591165][ T6736] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.597174][ T6736] CPU: 0 PID: 6736 Comm: systemd-rfkill Not tainted 5.8.0-rc1-syzkaller #0 [ 59.605750][ T6736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.615894][ T6736] Call Trace: [ 59.619277][ T6736] dump_stack+0x18f/0x20d [ 59.623636][ T6736] check_preemption_disabled+0x20d/0x220 [ 59.629262][ T6736] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.634359][ T6736] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.639808][ T6736] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.645528][ T6736] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.650795][ T6736] ? ext4_ext_release+0x10/0x10 [ 59.655634][ T6736] ? down_write_killable+0x170/0x170 [ 59.661016][ T6736] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.666470][ T6736] ext4_map_blocks+0x4cb/0x1640 [ 59.671629][ T6736] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.676826][ T6736] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.682358][ T6736] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.688417][ T6736] ? prandom_u32_state+0xe/0x170 [ 59.693336][ T6736] ? __brelse+0x84/0xa0 [ 59.698007][ T6736] ? __ext4_new_inode+0x144/0x55e0 [ 59.703125][ T6736] ext4_getblk+0xad/0x520 [ 59.707539][ T6736] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.713262][ T6736] ? ext4_free_inode+0x1700/0x1700 [ 59.718378][ T6736] ext4_bread+0x7c/0x380 [ 59.722974][ T6736] ? ext4_getblk+0x520/0x520 [ 59.722992][ T6736] ? dquot_get_next_dqblk+0x180/0x180 [ 59.723016][ T6736] ext4_append+0x153/0x360 [ 59.723037][ T6736] ext4_mkdir+0x5e0/0xdf0 [ 59.723068][ T6736] ? ext4_rmdir+0xde0/0xde0 [ 59.723089][ T6736] ? security_inode_permission+0xc4/0xf0 [ 59.723114][ T6736] vfs_mkdir+0x419/0x690 [ 59.723132][ T6736] do_mkdirat+0x21e/0x280 [ 59.723151][ T6736] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.723168][ T6736] ? do_syscall_64+0x1c/0xe0 [ 59.723183][ T6736] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.723200][ T6736] do_syscall_64+0x60/0xe0 [ 59.723216][ T6736] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.723229][ T6736] RIP: 0033:0x7f114e2f3687 [ 59.723235][ T6736] Code: Bad RIP value. [ 59.723243][ T6736] RSP: 002b:00007ffde8925218 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 59.723259][ T6736] RAX: ffffffffffffffda RBX: 000055dc53aa6985 RCX: 00007f114e2f3687 [ 59.723268][ T6736] RDX: 00007ffde89250e0 RSI: 00000000000001ed RDI: 000055dc53aa6985 [ 59.723278][ T6736] RBP: 00007f114e2f3680 R08: 0000000000000100 R09: 0000000000000000 [ 59.723287][ T6736] R10: 000055dc53aa6980 R11: 0000000000000246 R12: 00000000000001ed [ 59.723297][ T6736] R13: 00007ffde89253a0 R14: 0000000000000000 R15: 0000000000000000 Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 63.089232][ T4278] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:5/4278 [ 63.099234][ T4278] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 63.105736][ T4278] CPU: 0 PID: 4278 Comm: kworker/u4:5 Not tainted 5.8.0-rc1-syzkaller #0 [ 63.123461][ T4278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.135400][ T4278] Workqueue: writeback wb_workfn (flush-8:0) [ 63.141370][ T4278] Call Trace: [ 63.144652][ T4278] dump_stack+0x18f/0x20d [ 63.149010][ T4278] check_preemption_disabled+0x20d/0x220 [ 63.154760][ T4278] ext4_mb_new_blocks+0xa4d/0x3b70 [ 63.160230][ T4278] ? ext4_find_extent+0x81a/0xad0 [ 63.167850][ T4278] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.173556][ T4278] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 63.179375][ T4278] ext4_ext_map_blocks+0x201b/0x33e0 [ 63.184693][ T4278] ? ext4_ext_release+0x10/0x10 [ 63.189642][ T4278] ? down_write_killable+0x170/0x170 [ 63.195283][ T4278] ? ext4_es_lookup_extent+0x41d/0xd10 [ 63.200753][ T4278] ext4_map_blocks+0x4cb/0x1640 [ 63.205596][ T4278] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.211190][ T4278] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.216820][ T4278] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.222972][ T4278] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.228621][ T4278] ext4_writepages+0x1a7b/0x33c0 [ 63.233669][ T4278] ? __ext4_mark_inode_dirty+0x940/0x940 [ 63.248442][ T4278] ? __lock_acquire+0x2224/0x48b0 [ 63.253485][ T4278] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 63.259464][ T4278] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 63.266046][ T4278] ? __ext4_mark_inode_dirty+0x940/0x940 [ 63.271668][ T4278] ? do_writepages+0xfa/0x2a0 [ 63.276343][ T4278] do_writepages+0xfa/0x2a0 [ 63.280840][ T4278] ? page_writeback_cpu_online+0x10/0x10 [ 63.286471][ T4278] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.292002][ T4278] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.297972][ T4278] ? lock_downgrade+0x840/0x840 [ 63.302815][ T4278] __writeback_single_inode+0x12a/0x13d0 [ 63.308432][ T4278] ? _raw_spin_unlock+0x24/0x40 [ 63.313356][ T4278] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 63.319328][ T4278] writeback_sb_inodes+0x515/0xdc0 [ 63.324515][ T4278] ? __writeback_single_inode+0x13d0/0x13d0 [ 63.330400][ T4278] __writeback_inodes_wb+0xc3/0x250 [ 63.335596][ T4278] wb_writeback+0x8db/0xd50 [ 63.340115][ T4278] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 63.346516][ T4278] ? cpumask_next+0x3c/0x40 [ 63.351035][ T4278] ? get_nr_dirty_inodes+0xd6/0x130 [ 63.356829][ T4278] wb_workfn+0x9bc/0x1090 [ 63.361165][ T4278] ? inode_wait_for_writeback+0x30/0x30 [ 63.366776][ T4278] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.372336][ T4278] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.378331][ T4278] process_one_work+0x965/0x1690 [ 63.383279][ T4278] ? lock_release+0x800/0x800 [ 63.388043][ T4278] ? pwq_dec_nr_in_flight+0x310/0x310 [ 63.393416][ T4278] ? rwlock_bug.part.0+0x90/0x90 [ 63.398341][ T4278] worker_thread+0x96/0xe10 [ 63.402833][ T4278] ? process_one_work+0x1690/0x1690 [ 63.408025][ T4278] kthread+0x3b5/0x4a0 [ 63.412083][ T4278] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.417781][ T4278] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.423491][ T4278] ret_from_fork+0x1f/0x30 [ 63.433295][ T4278] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:5/4278 [ 63.442808][ T4278] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 63.448789][ T4278] CPU: 1 PID: 4278 Comm: kworker/u4:5 Not tainted 5.8.0-rc1-syzkaller #0 [ 63.457548][ T4278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.467778][ T4278] Workqueue: writeback wb_workfn (flush-8:0) [ 63.474029][ T4278] Call Trace: [ 63.477308][ T4278] dump_stack+0x18f/0x20d [ 63.481647][ T4278] check_preemption_disabled+0x20d/0x220 [ 63.487260][ T4278] ext4_mb_new_blocks+0xa4d/0x3b70 [ 63.492368][ T4278] ? ext4_find_extent+0x81a/0xad0 [ 63.497388][ T4278] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.502828][ T4278] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 63.509405][ T4278] ext4_ext_map_blocks+0x201b/0x33e0 [ 63.514691][ T4278] ? ext4_ext_release+0x10/0x10 [ 63.519627][ T4278] ? down_write_killable+0x170/0x170 [ 63.525097][ T4278] ? ext4_es_lookup_extent+0x41d/0xd10 [ 63.530555][ T4278] ext4_map_blocks+0x4cb/0x1640 [ 63.535598][ T4278] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.540795][ T4278] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.546341][ T4278] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.552309][ T4278] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.557982][ T4278] ext4_writepages+0x1a7b/0x33c0 [ 63.562932][ T4278] ? __ext4_mark_inode_dirty+0x940/0x940 [ 63.568697][ T4278] ? __lock_acquire+0x2224/0x48b0 [ 63.573714][ T4278] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 63.579945][ T4278] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 63.585948][ T4278] ? __ext4_mark_inode_dirty+0x940/0x940 [ 63.591583][ T4278] ? do_writepages+0xfa/0x2a0 [ 63.596255][ T4278] do_writepages+0xfa/0x2a0 [ 63.600748][ T4278] ? page_writeback_cpu_online+0x10/0x10 [ 63.606472][ T4278] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.612107][ T4278] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.618100][ T4278] ? lock_downgrade+0x840/0x840 [ 63.622954][ T4278] __writeback_single_inode+0x12a/0x13d0 [ 63.628580][ T4278] ? _raw_spin_unlock+0x24/0x40 [ 63.633411][ T4278] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 63.639389][ T4278] writeback_sb_inodes+0x515/0xdc0 [ 63.644515][ T4278] ? __writeback_single_inode+0x13d0/0x13d0 [ 63.650424][ T4278] __writeback_inodes_wb+0xc3/0x250 [ 63.655619][ T4278] wb_writeback+0x8db/0xd50 [ 63.660463][ T4278] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 63.667041][ T4278] ? cpumask_next+0x3c/0x40 [ 63.671644][ T4278] ? get_nr_dirty_inodes+0xd6/0x130 [ 63.676841][ T4278] wb_workfn+0x9bc/0x1090 [ 63.681259][ T4278] ? inode_wait_for_writeback+0x30/0x30 [ 63.686812][ T4278] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.692355][ T4278] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.698339][ T4278] process_one_work+0x965/0x1690 [ 63.703277][ T4278] ? lock_release+0x800/0x800 [ 63.707946][ T4278] ? pwq_dec_nr_in_flight+0x310/0x310 [ 63.713316][ T4278] ? rwlock_bug.part.0+0x90/0x90 [ 63.718249][ T4278] worker_thread+0x96/0xe10 [ 63.722762][ T4278] ? process_one_work+0x1690/0x1690 [ 63.727954][ T4278] kthread+0x3b5/0x4a0 [ 63.732012][ T4278] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.737711][ T4278] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.743415][ T4278] ret_from_fork+0x1f/0x30 [ 63.763625][ T4278] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:5/4278 [ 63.773801][ T4278] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 63.780221][ T4278] CPU: 0 PID: 4278 Comm: kworker/u4:5 Not tainted 5.8.0-rc1-syzkaller #0 [ 63.788892][ T4278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.798938][ T4278] Workqueue: writeback wb_workfn (flush-8:0) [ 63.805080][ T4278] Call Trace: [ 63.808438][ T4278] dump_stack+0x18f/0x20d [ 63.812844][ T4278] check_preemption_disabled+0x20d/0x220 [ 63.819063][ T4278] ext4_mb_new_blocks+0xa4d/0x3b70 [ 63.824175][ T4278] ? ext4_find_extent+0x81a/0xad0 [ 63.829205][ T4278] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.834656][ T4278] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 63.840374][ T4278] ext4_ext_map_blocks+0x201b/0x33e0 [ 63.845654][ T4278] ? ext4_ext_release+0x10/0x10 [ 63.850493][ T4278] ? down_write_killable+0x170/0x170 [ 63.855866][ T4278] ? ext4_es_lookup_extent+0x41d/0xd10 [ 63.861336][ T4278] ext4_map_blocks+0x4cb/0x1640 [ 63.866175][ T4278] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.871470][ T4278] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.877017][ T4278] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.882985][ T4278] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.888433][ T4278] ext4_writepages+0x1a7b/0x33c0 [ 63.893388][ T4278] ? __ext4_mark_inode_dirty+0x940/0x940 [ 63.898998][ T4278] ? __lock_acquire+0x2224/0x48b0 [ 63.904014][ T4278] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 63.909990][ T4278] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 63.915958][ T4278] ? __ext4_mark_inode_dirty+0x940/0x940 [ 63.921582][ T4278] ? do_writepages+0xfa/0x2a0 [ 63.926499][ T4278] do_writepages+0xfa/0x2a0 [ 63.931081][ T4278] ? page_writeback_cpu_online+0x10/0x10 [ 63.936696][ T4278] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.942223][ T4278] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.948183][ T4278] ? lock_downgrade+0x840/0x840 [ 63.953018][ T4278] __writeback_single_inode+0x12a/0x13d0 [ 63.958644][ T4278] ? _raw_spin_unlock+0x24/0x40 [ 63.964090][ T4278] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 63.970428][ T4278] writeback_sb_inodes+0x515/0xdc0 [ 63.975535][ T4278] ? __writeback_single_inode+0x13d0/0x13d0 [ 63.981425][ T4278] __writeback_inodes_wb+0xc3/0x250 [ 63.986626][ T4278] wb_writeback+0x8db/0xd50 [ 63.991134][ T4278] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 63.997467][ T4278] ? cpumask_next+0x3c/0x40 [ 64.001970][ T4278] ? get_nr_dirty_inodes+0xd6/0x130 [ 64.007243][ T4278] wb_workfn+0x9bc/0x1090 [ 64.011560][ T4278] ? inode_wait_for_writeback+0x30/0x30 [ 64.017098][ T4278] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.022629][ T4278] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.028609][ T4278] process_one_work+0x965/0x1690 [ 64.033550][ T4278] ? lock_release+0x800/0x800 [ 64.038919][ T4278] ? pwq_dec_nr_in_flight+0x310/0x310 [ 64.044446][ T4278] ? rwlock_bug.part.0+0x90/0x90 [ 64.049374][ T4278] worker_thread+0x96/0xe10 [ 64.053901][ T4278] ? process_one_work+0x1690/0x1690 [ 64.059250][ T4278] kthread+0x3b5/0x4a0 [ 64.063305][ T4278] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.069128][ T4278] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.075291][ T4278] ret_from_fork+0x1f/0x30 [ 64.088988][ T4278] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:5/4278 [ 64.098623][ T4278] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 64.104561][ T4278] CPU: 0 PID: 4278 Comm: kworker/u4:5 Not tainted 5.8.0-rc1-syzkaller #0 [ 64.114118][ T4278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.124562][ T4278] Workqueue: writeback wb_workfn (flush-8:0) [ 64.130646][ T4278] Call Trace: [ 64.133957][ T4278] dump_stack+0x18f/0x20d [ 64.138327][ T4278] check_preemption_disabled+0x20d/0x220 [ 64.143990][ T4278] ext4_mb_new_blocks+0xa4d/0x3b70 [ 64.149129][ T4278] ? ext4_find_extent+0x81a/0xad0 [ 64.154273][ T4278] ? ext4_ext_search_right+0x2ca/0xb20 [ 64.159756][ T4278] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 64.165592][ T4278] ext4_ext_map_blocks+0x201b/0x33e0 [ 64.170913][ T4278] ? ext4_ext_release+0x10/0x10 [ 64.175807][ T4278] ? down_write_killable+0x170/0x170 [ 64.181192][ T4278] ? ext4_es_lookup_extent+0x41d/0xd10 [ 64.186810][ T4278] ext4_map_blocks+0x4cb/0x1640 [ 64.191745][ T4278] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 64.196960][ T4278] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.202515][ T4278] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.208490][ T4278] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 64.213937][ T4278] ext4_writepages+0x1a7b/0x33c0 [ 64.218893][ T4278] ? __ext4_mark_inode_dirty+0x940/0x940 [ 64.224514][ T4278] ? __lock_acquire+0x2224/0x48b0 [ 64.229549][ T4278] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 64.235517][ T4278] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 64.241546][ T4278] ? __ext4_mark_inode_dirty+0x940/0x940 [ 64.247714][ T4278] ? do_writepages+0xfa/0x2a0 [ 64.252374][ T4278] do_writepages+0xfa/0x2a0 [ 64.256968][ T4278] ? page_writeback_cpu_online+0x10/0x10 [ 64.262689][ T4278] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.268221][ T4278] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.274369][ T4278] ? lock_downgrade+0x840/0x840 [ 64.279210][ T4278] __writeback_single_inode+0x12a/0x13d0 [ 64.284833][ T4278] ? _raw_spin_unlock+0x24/0x40 [ 64.289676][ T4278] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 64.295643][ T4278] writeback_sb_inodes+0x515/0xdc0 [ 64.300851][ T4278] ? __writeback_single_inode+0x13d0/0x13d0 [ 64.306882][ T4278] __writeback_inodes_wb+0xc3/0x250 [ 64.312118][ T4278] wb_writeback+0x8db/0xd50 [ 64.316801][ T4278] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 64.323128][ T4278] ? cpumask_next+0x3c/0x40 [ 64.327643][ T4278] ? get_nr_dirty_inodes+0xd6/0x130 [ 64.332937][ T4278] wb_workfn+0x9bc/0x1090 [ 64.337267][ T4278] ? inode_wait_for_writeback+0x30/0x30 [ 64.342907][ T4278] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.348453][ T4278] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.355187][ T4278] process_one_work+0x965/0x1690 [ 64.360846][ T4278] ? lock_release+0x800/0x800 Warning: Permanently added '10.128.15.195' (ECDSA) to the list of known hosts. [ 64.365529][ T4278] ? pwq_dec_nr_in_flight+0x310/0x310 [ 64.370890][ T4278] ? rwlock_bug.part.0+0x90/0x90 [ 64.376196][ T4278] worker_thread+0x96/0xe10 [ 64.380696][ T4278] ? process_one_work+0x1690/0x1690 [ 64.386232][ T4278] kthread+0x3b5/0x4a0 [ 64.390307][ T4278] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.396110][ T4278] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.401818][ T4278] ret_from_fork+0x1f/0x30 2020/06/14 23:32:50 fuzzer started 2020/06/14 23:32:50 connecting to host at 10.128.0.26:40851 2020/06/14 23:32:50 checking machine... 2020/06/14 23:32:50 checking revisions... 2020/06/14 23:32:50 testing simple program... [ 65.176536][ T6812] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6812 [ 65.185658][ T6812] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 65.191630][ T6812] CPU: 0 PID: 6812 Comm: syz-fuzzer Not tainted 5.8.0-rc1-syzkaller #0 [ 65.200053][ T6812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.210109][ T6812] Call Trace: [ 65.213388][ T6812] dump_stack+0x18f/0x20d [ 65.217710][ T6812] check_preemption_disabled+0x20d/0x220 [ 65.223325][ T6812] ext4_mb_new_blocks+0xa4d/0x3b70 [ 65.228621][ T6812] ? ext4_ext_search_right+0x2ca/0xb20 [ 65.234076][ T6812] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 65.239816][ T6812] ext4_ext_map_blocks+0x201b/0x33e0 [ 65.245096][ T6812] ? ext4_ext_release+0x10/0x10 [ 65.249938][ T6812] ? down_write_killable+0x170/0x170 [ 65.255204][ T6812] ? ext4_es_lookup_extent+0x41d/0xd10 [ 65.260648][ T6812] ext4_map_blocks+0x4cb/0x1640 [ 65.266201][ T6812] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 65.271382][ T6812] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.276906][ T6812] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 65.282872][ T6812] ? prandom_u32_state+0xe/0x170 [ 65.287809][ T6812] ? __brelse+0x84/0xa0 [ 65.291969][ T6812] ? __ext4_new_inode+0x144/0x55e0 [ 65.297174][ T6812] ext4_getblk+0xad/0x520 [ 65.301516][ T6812] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 65.307232][ T6812] ? ext4_free_inode+0x1700/0x1700 [ 65.312446][ T6812] ext4_bread+0x7c/0x380 [ 65.316704][ T6812] ? ext4_getblk+0x520/0x520 [ 65.321332][ T6812] ? dquot_get_next_dqblk+0x180/0x180 [ 65.326713][ T6812] ext4_append+0x153/0x360 [ 65.331490][ T6812] ext4_mkdir+0x5e0/0xdf0 [ 65.335813][ T6812] ? ext4_rmdir+0xde0/0xde0 [ 65.340303][ T6812] ? security_inode_permission+0xc4/0xf0 [ 65.345922][ T6812] vfs_mkdir+0x419/0x690 [ 65.350163][ T6812] do_mkdirat+0x21e/0x280 [ 65.354490][ T6812] ? __ia32_sys_mknod+0xb0/0xb0 [ 65.359343][ T6812] ? do_syscall_64+0x1c/0xe0 [ 65.364024][ T6812] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 65.369989][ T6812] do_syscall_64+0x60/0xe0 [ 65.374401][ T6812] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.380275][ T6812] RIP: 0033:0x4b02a0 [ 65.384163][ T6812] Code: Bad RIP value. [ 65.388212][ T6812] RSP: 002b:000000c0001274b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 65.396606][ T6812] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 65.404659][ T6812] RDX: 00000000000001c0 RSI: 000000c0000e0ac0 RDI: ffffffffffffff9c [ 65.412626][ T6812] RBP: 000000c000127510 R08: 0000000000000000 R09: 0000000000000000 [ 65.420590][ T6812] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 65.428552][ T6812] R13: 0000000000000057 R14: 0000000000000056 R15: 0000000000000100 [ 65.446746][ T6826] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6826 [ 65.456484][ T6826] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 65.462516][ T6826] CPU: 1 PID: 6826 Comm: syz-executor.0 Not tainted 5.8.0-rc1-syzkaller #0 [ 65.471200][ T6826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.481411][ T6826] Call Trace: [ 65.484725][ T6826] dump_stack+0x18f/0x20d [ 65.489058][ T6826] check_preemption_disabled+0x20d/0x220 [ 65.494675][ T6826] ext4_mb_new_blocks+0xa4d/0x3b70 [ 65.499792][ T6826] ? ext4_ext_search_right+0x2ca/0xb20 [ 65.505233][ T6826] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 65.511069][ T6826] ext4_ext_map_blocks+0x201b/0x33e0 [ 65.516356][ T6826] ? ext4_ext_release+0x10/0x10 [ 65.521210][ T6826] ? down_write_killable+0x170/0x170 [ 65.526486][ T6826] ? ext4_es_lookup_extent+0x41d/0xd10 [ 65.532098][ T6826] ext4_map_blocks+0x4cb/0x1640 [ 65.536952][ T6826] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 65.542147][ T6826] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.547679][ T6826] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 65.553778][ T6826] ? prandom_u32_state+0xe/0x170 [ 65.559066][ T6826] ? __brelse+0x84/0xa0 [ 65.563409][ T6826] ? __ext4_new_inode+0x144/0x55e0 [ 65.568518][ T6826] ext4_getblk+0xad/0x520 [ 65.572841][ T6826] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 65.580112][ T6826] ? ext4_free_inode+0x1700/0x1700 [ 65.585336][ T6826] ext4_bread+0x7c/0x380 [ 65.589600][ T6826] ? ext4_getblk+0x520/0x520 [ 65.594306][ T6826] ? dquot_get_next_dqblk+0x180/0x180 [ 65.599939][ T6826] ext4_append+0x153/0x360 [ 65.604790][ T6826] ext4_mkdir+0x5e0/0xdf0 [ 65.609129][ T6826] ? ext4_rmdir+0xde0/0xde0 [ 65.613622][ T6826] ? security_inode_permission+0xc4/0xf0 [ 65.619677][ T6826] vfs_mkdir+0x419/0x690 [ 65.624430][ T6826] do_mkdirat+0x21e/0x280 [ 65.628756][ T6826] ? __ia32_sys_mknod+0xb0/0xb0 [ 65.633595][ T6826] ? do_syscall_64+0x1c/0xe0 [ 65.638620][ T6826] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 65.644601][ T6826] do_syscall_64+0x60/0xe0 [ 65.649140][ T6826] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.655020][ T6826] RIP: 0033:0x45bee7 [ 65.658890][ T6826] Code: Bad RIP value. [ 65.662952][ T6826] RSP: 002b:00007fff004d74a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 65.671434][ T6826] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 65.679404][ T6826] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007fff004d7680 [ 65.687354][ T6826] RBP: 0000000000000001 R08: 000000000000f8c8 R09: 0000000000002f00 [ 65.695390][ T6826] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 65.703350][ T6826] R13: 00007fff004d7680 R14: 8421084210842109 R15: 00007fff004d768c [ 65.793660][ T6827] IPVS: ftp: loaded support on port[0] = 21 [ 65.834091][ T6827] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6827 [ 65.843679][ T6827] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 65.849687][ T6827] CPU: 0 PID: 6827 Comm: syz-executor.0 Not tainted 5.8.0-rc1-syzkaller #0 [ 65.858271][ T6827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.868334][ T6827] Call Trace: [ 65.871616][ T6827] dump_stack+0x18f/0x20d [ 65.875933][ T6827] check_preemption_disabled+0x20d/0x220 [ 65.881560][ T6827] ext4_mb_new_blocks+0xa4d/0x3b70 [ 65.886684][ T6827] ? ext4_ext_search_right+0x2ca/0xb20 [ 65.892121][ T6827] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 65.897823][ T6827] ext4_ext_map_blocks+0x201b/0x33e0 [ 65.903100][ T6827] ? ext4_ext_release+0x10/0x10 [ 65.907941][ T6827] ? down_write_killable+0x170/0x170 [ 65.913206][ T6827] ? ext4_es_lookup_extent+0x41d/0xd10 [ 65.918736][ T6827] ext4_map_blocks+0x4cb/0x1640 [ 65.923607][ T6827] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 65.928826][ T6827] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.934804][ T6827] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 65.940855][ T6827] ? prandom_u32_state+0xe/0x170 [ 65.945779][ T6827] ? __brelse+0x84/0xa0 [ 65.949940][ T6827] ? __ext4_new_inode+0x144/0x55e0 [ 65.955233][ T6827] ext4_getblk+0xad/0x520 [ 65.959560][ T6827] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 65.965536][ T6827] ? ext4_free_inode+0x1700/0x1700 [ 65.970639][ T6827] ext4_bread+0x7c/0x380 [ 65.974871][ T6827] ? ext4_getblk+0x520/0x520 [ 65.979471][ T6827] ? dquot_get_next_dqblk+0x180/0x180 [ 65.984917][ T6827] ext4_append+0x153/0x360 [ 65.989339][ T6827] ext4_mkdir+0x5e0/0xdf0 [ 65.993762][ T6827] ? ext4_rmdir+0xde0/0xde0 [ 65.998265][ T6827] ? security_inode_permission+0xc4/0xf0 [ 66.004167][ T6827] vfs_mkdir+0x419/0x690 [ 66.008395][ T6827] do_mkdirat+0x21e/0x280 [ 66.012717][ T6827] ? __ia32_sys_mknod+0xb0/0xb0 [ 66.017548][ T6827] ? do_syscall_64+0x1c/0xe0 [ 66.022136][ T6827] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 66.028117][ T6827] do_syscall_64+0x60/0xe0 [ 66.032606][ T6827] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.038589][ T6827] RIP: 0033:0x45bee7 [ 66.042469][ T6827] Code: Bad RIP value. [ 66.046509][ T6827] RSP: 002b:0000000000c9ffa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 66.054895][ T6827] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 66.062934][ T6827] RDX: 0000000000000006 RSI: 00000000000001ff RDI: 00000000004c26e2 [ 66.073663][ T6827] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 2020/06/14 23:32:51 building call list... [ 66.081632][ T6827] R10: 0000000000000064 R11: 0000000000000246 R12: 00000000004185d0 [ 66.089604][ T6827] R13: 00007fff004d7808 R14: 0000000000000000 R15: 0000000000000000 [ 66.417760][ T7] tipc: TX() has been purged, node left! [ 66.969875][ T7] ================================================================== [ 66.978281][ T7] BUG: KASAN: use-after-free in afs_wake_up_async_call+0x6aa/0x770 [ 66.986292][ T7] Write of size 1 at addr ffff888096b229e4 by task kworker/u4:0/7 [ 66.994172][ T7] [ 66.996503][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.8.0-rc1-syzkaller #0 [ 67.005602][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.015658][ T7] Workqueue: netns cleanup_net [ 67.020434][ T7] Call Trace: [ 67.023762][ T7] dump_stack+0x18f/0x20d [ 67.028182][ T7] ? afs_wake_up_async_call+0x6aa/0x770 [ 67.033725][ T7] ? afs_wake_up_async_call+0x6aa/0x770 [ 67.039264][ T7] ? afs_put_call+0xa40/0xa40 [ 67.043940][ T7] print_address_description.constprop.0.cold+0xd3/0x413 [ 67.051225][ T7] ? vprintk_func+0x97/0x1a6 [ 67.055825][ T7] ? afs_wake_up_async_call+0x6aa/0x770 [ 67.061402][ T7] kasan_report.cold+0x1f/0x37 [ 67.066186][ T7] ? rcu_read_lock_held_common+0x51/0xa0 [ 67.071861][ T7] ? afs_wake_up_async_call+0x6aa/0x770 [ 67.077417][ T7] afs_wake_up_async_call+0x6aa/0x770 [ 67.082798][ T7] ? afs_close_socket+0x320/0x320 [ 67.087826][ T7] ? afs_put_call+0xa40/0xa40 [ 67.092498][ T7] rxrpc_notify_socket+0x1db/0x5d0 [ 67.098584][ T7] ? afs_put_call+0xa40/0xa40 [ 67.103260][ T7] __rxrpc_set_call_completion.part.0+0x172/0x410 [ 67.109721][ T7] rxrpc_call_completed+0xca/0xf0 [ 67.114754][ T7] rxrpc_discard_prealloc+0x781/0xab0 [ 67.120157][ T7] ? lock_sock_nested+0x94/0x110 [ 67.125115][ T7] rxrpc_listen+0x147/0x360 [ 67.129637][ T7] afs_close_socket+0x95/0x320 [ 67.134588][ T7] ? afs_purge_servers+0x16d/0x300 [ 67.139714][ T7] ? afs_rx_discard_new_call+0x50/0x50 [ 67.145178][ T7] ? init_wait_var_entry+0x200/0x200 [ 67.150476][ T7] ? rcu_read_lock_held_common+0xa0/0xa0 [ 67.156287][ T7] ? check_preemption_disabled+0x38/0x220 [ 67.162199][ T7] afs_net_exit+0x1bc/0x310 [ 67.167338][ T7] ? afs_net_init+0xe30/0xe30 [ 67.172018][ T7] ops_exit_list.isra.0+0xa8/0x150 [ 67.177153][ T7] cleanup_net+0x511/0xa50 [ 67.181571][ T7] ? unregister_pernet_device+0x70/0x70 [ 67.187121][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 67.193110][ T7] process_one_work+0x965/0x1690 [ 67.198158][ T7] ? lock_release+0x800/0x800 [ 67.202834][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 67.208211][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 67.213162][ T7] worker_thread+0x96/0xe10 [ 67.217695][ T7] ? process_one_work+0x1690/0x1690 [ 67.222900][ T7] kthread+0x3b5/0x4a0 [ 67.227661][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 67.233485][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 67.239320][ T7] ret_from_fork+0x1f/0x30 [ 67.243762][ T7] [ 67.246086][ T7] Allocated by task 6827: [ 67.250412][ T7] save_stack+0x1b/0x40 [ 67.254657][ T7] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 67.260392][ T7] kmem_cache_alloc_trace+0x153/0x7d0 [ 67.265849][ T7] afs_alloc_call+0x55/0x630 [ 67.270435][ T7] afs_charge_preallocation+0xe9/0x2d0 [ 67.275891][ T7] afs_open_socket+0x292/0x360 [ 67.281259][ T7] afs_net_init+0xa6c/0xe30 [ 67.285783][ T7] ops_init+0xaf/0x420 [ 67.290073][ T7] setup_net+0x2de/0x860 [ 67.294407][ T7] copy_net_ns+0x293/0x590 [ 67.298825][ T7] create_new_namespaces+0x3fb/0xb30 [ 67.304628][ T7] unshare_nsproxy_namespaces+0xbd/0x1f0 [ 67.310254][ T7] ksys_unshare+0x43d/0x8e0 [ 67.314753][ T7] __x64_sys_unshare+0x2d/0x40 [ 67.319513][ T7] do_syscall_64+0x60/0xe0 [ 67.323923][ T7] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.329802][ T7] [ 67.332126][ T7] Freed by task 7: [ 67.335849][ T7] save_stack+0x1b/0x40 [ 67.340185][ T7] __kasan_slab_free+0xf7/0x140 [ 67.345044][ T7] kfree+0x109/0x2b0 [ 67.348954][ T7] afs_put_call+0x585/0xa40 [ 67.353486][ T7] rxrpc_discard_prealloc+0x764/0xab0 [ 67.358868][ T7] rxrpc_listen+0x147/0x360 [ 67.363399][ T7] afs_close_socket+0x95/0x320 [ 67.368186][ T7] afs_net_exit+0x1bc/0x310 [ 67.372703][ T7] ops_exit_list.isra.0+0xa8/0x150 [ 67.377817][ T7] cleanup_net+0x511/0xa50 [ 67.382242][ T7] process_one_work+0x965/0x1690 [ 67.387175][ T7] worker_thread+0x96/0xe10 [ 67.391674][ T7] kthread+0x3b5/0x4a0 [ 67.395748][ T7] ret_from_fork+0x1f/0x30 [ 67.400152][ T7] [ 67.402477][ T7] The buggy address belongs to the object at ffff888096b22800 [ 67.402477][ T7] which belongs to the cache kmalloc-1k of size 1024 [ 67.418871][ T7] The buggy address is located 484 bytes inside of [ 67.418871][ T7] 1024-byte region [ffff888096b22800, ffff888096b22c00) [ 67.432310][ T7] The buggy address belongs to the page: [ 67.437945][ T7] page:ffffea00025ac880 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888096b22000 [ 67.448348][ T7] flags: 0xfffe0000000200(slab) [ 67.453226][ T7] raw: 00fffe0000000200 ffffea00029e5548 ffffea00025c3988 ffff8880aa000c40 [ 67.461820][ T7] raw: ffff888096b22000 ffff888096b22000 0000000100000001 0000000000000000 [ 67.470395][ T7] page dumped because: kasan: bad access detected [ 67.476816][ T7] [ 67.479143][ T7] Memory state around the buggy address: [ 67.486084][ T7] ffff888096b22880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 67.494152][ T7] ffff888096b22900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 67.502298][ T7] >ffff888096b22980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 67.510353][ T7] ^ [ 67.517552][ T7] ffff888096b22a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 67.527965][ T7] ffff888096b22a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 67.536030][ T7] ================================================================== [ 67.544079][ T7] Disabling lock debugging due to kernel taint [ 67.550382][ T7] Kernel panic - not syncing: panic_on_warn set ... [ 67.557049][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Tainted: G B 5.8.0-rc1-syzkaller #0 [ 67.566781][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.577096][ T7] Workqueue: netns cleanup_net [ 67.581943][ T7] Call Trace: [ 67.585689][ T7] dump_stack+0x18f/0x20d [ 67.590017][ T7] ? afs_wake_up_async_call+0x670/0x770 [ 67.595577][ T7] ? afs_put_call+0xa40/0xa40 [ 67.600247][ T7] panic+0x2e3/0x75c [ 67.604132][ T7] ? __warn_printk+0xf3/0xf3 [ 67.608717][ T7] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 67.614889][ T7] ? trace_hardirqs_on+0x55/0x220 [ 67.619911][ T7] ? afs_wake_up_async_call+0x6aa/0x770 [ 67.625443][ T7] ? afs_wake_up_async_call+0x6aa/0x770 [ 67.630977][ T7] ? afs_put_call+0xa40/0xa40 [ 67.635645][ T7] end_report+0x4d/0x53 [ 67.639799][ T7] kasan_report.cold+0xd/0x37 [ 67.644479][ T7] ? rcu_read_lock_held_common+0x51/0xa0 [ 67.650099][ T7] ? afs_wake_up_async_call+0x6aa/0x770 [ 67.655657][ T7] afs_wake_up_async_call+0x6aa/0x770 [ 67.661036][ T7] ? afs_close_socket+0x320/0x320 [ 67.667380][ T7] ? afs_put_call+0xa40/0xa40 [ 67.672046][ T7] rxrpc_notify_socket+0x1db/0x5d0 [ 67.677150][ T7] ? afs_put_call+0xa40/0xa40 [ 67.681830][ T7] __rxrpc_set_call_completion.part.0+0x172/0x410 [ 67.688330][ T7] rxrpc_call_completed+0xca/0xf0 [ 67.693351][ T7] rxrpc_discard_prealloc+0x781/0xab0 [ 67.698727][ T7] ? lock_sock_nested+0x94/0x110 [ 67.703669][ T7] rxrpc_listen+0x147/0x360 [ 67.708168][ T7] afs_close_socket+0x95/0x320 [ 67.713108][ T7] ? afs_purge_servers+0x16d/0x300 [ 67.718298][ T7] ? afs_rx_discard_new_call+0x50/0x50 [ 67.723777][ T7] ? init_wait_var_entry+0x200/0x200 [ 67.729054][ T7] ? rcu_read_lock_held_common+0xa0/0xa0 [ 67.734942][ T7] ? check_preemption_disabled+0x38/0x220 [ 67.740656][ T7] afs_net_exit+0x1bc/0x310 [ 67.745496][ T7] ? afs_net_init+0xe30/0xe30 [ 67.750166][ T7] ops_exit_list.isra.0+0xa8/0x150 [ 67.755529][ T7] cleanup_net+0x511/0xa50 [ 67.759945][ T7] ? unregister_pernet_device+0x70/0x70 [ 67.765502][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 67.771484][ T7] process_one_work+0x965/0x1690 [ 67.776426][ T7] ? lock_release+0x800/0x800 [ 67.781120][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 67.787182][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 67.792120][ T7] worker_thread+0x96/0xe10 [ 67.796621][ T7] ? process_one_work+0x1690/0x1690 [ 67.801894][ T7] kthread+0x3b5/0x4a0 [ 67.805956][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 67.811666][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 67.817378][ T7] ret_from_fork+0x1f/0x30 [ 67.823048][ T7] Kernel Offset: disabled [ 67.827364][ T7] Rebooting in 86400 seconds..