Starting Load/Save RF Kill Switch Status... [ 52.535969][ T6729] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6729 [ 52.545835][ T6729] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 52.552150][ T6729] CPU: 1 PID: 6729 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 52.560408][ T6729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.570472][ T6729] Call Trace: [ 52.573748][ T6729] dump_stack+0x188/0x20d [ 52.578060][ T6729] debug_smp_processor_id.cold+0x88/0x9b [ 52.583670][ T6729] ext4_mb_new_blocks+0xa77/0x3b30 [ 52.588765][ T6729] ? ext4_ext_search_right+0x2ca/0xb20 [ 52.594199][ T6729] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 52.599912][ T6729] ext4_ext_map_blocks+0x2044/0x3410 [ 52.605177][ T6729] ? ext4_ext_release+0x10/0x10 [ 52.610011][ T6729] ? __down_timeout+0x2d0/0x2d0 [ 52.614837][ T6729] ? ext4_es_lookup_extent+0x41d/0xd30 [ 52.620290][ T6729] ext4_map_blocks+0x4cb/0x1640 [ 52.625127][ T6729] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 52.630317][ T6729] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.635851][ T6729] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 52.641807][ T6729] ? prandom_u32_state+0xe/0x170 [ 52.646736][ T6729] ? __brelse+0x84/0xa0 [ 52.650887][ T6729] ? __ext4_new_inode+0x144/0x57c0 [ 52.655979][ T6729] ext4_getblk+0xad/0x520 [ 52.660286][ T6729] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 52.665985][ T6729] ? ext4_free_inode+0x17e0/0x17e0 [ 52.671089][ T6729] ext4_bread+0x7c/0x380 [ 52.675382][ T6729] ? ext4_getblk+0x520/0x520 [ 52.679957][ T6729] ? dqget+0xff0/0xff0 [ 52.684012][ T6729] ext4_append+0x153/0x360 [ 52.688412][ T6729] ext4_mkdir+0x5e0/0xdf0 [ 52.692836][ T6729] ? ext4_rmdir+0xde0/0xde0 [ 52.697337][ T6729] ? security_inode_permission+0xc4/0xf0 [ 52.703093][ T6729] vfs_mkdir+0x419/0x690 [ 52.707384][ T6729] do_mkdirat+0x21e/0x280 [ 52.711702][ T6729] ? __ia32_sys_mknod+0xb0/0xb0 [ 52.716583][ T6729] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 52.722561][ T6729] ? do_syscall_64+0x21/0x7d0 [ 52.727215][ T6729] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 52.733190][ T6729] do_syscall_64+0xf6/0x7d0 [ 52.737673][ T6729] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 52.743540][ T6729] RIP: 0033:0x7f346006e687 [ 52.747929][ T6729] Code: 00 b8 ff ff ff ff c3 0f 1f 40 00 48 8b 05 09 d8 2b 00 64 c7 00 5f 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 d7 2b 00 f7 d8 64 89 01 48 [ 52.768203][ T6729] RSP: 002b:00007ffe0f90dc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 52.776592][ T6729] RAX: ffffffffffffffda RBX: 0000555aefde8985 RCX: 00007f346006e687 [ 52.784540][ T6729] RDX: 00007ffe0f90db50 RSI: 00000000000001ed RDI: 0000555aefde8985 [ 52.792487][ T6729] RBP: 00007f346006e680 R08: 0000000000000100 R09: 0000000000000000 [ 52.800433][ T6729] R10: 0000555aefde8980 R11: 0000000000000246 R12: 00000000000001ed [ 52.808395][ T6729] R13: 00007ffe0f90de10 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 55.741291][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 55.750252][ T7] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 55.756446][ T7] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-syzkaller #0 [ 55.764249][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.774295][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 55.780294][ T7] Call Trace: [ 55.783567][ T7] dump_stack+0x188/0x20d [ 55.787882][ T7] debug_smp_processor_id.cold+0x88/0x9b [ 55.793492][ T7] ext4_mb_new_blocks+0xa77/0x3b30 [ 55.798577][ T7] ? __kmalloc+0x62f/0x7a0 [ 55.802976][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 55.808425][ T7] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 55.814149][ T7] ext4_ext_map_blocks+0x2044/0x3410 [ 55.819415][ T7] ? ext4_ext_release+0x10/0x10 [ 55.824253][ T7] ? __down_timeout+0x2d0/0x2d0 [ 55.829091][ T7] ? ext4_es_lookup_extent+0x41d/0xd30 [ 55.834524][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 55.839961][ T7] ext4_map_blocks+0x4cb/0x1640 [ 55.844794][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 55.849965][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 55.855420][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 55.860942][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 55.866899][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 55.872336][ T7] ext4_writepages+0x1ab7/0x3400 [ 55.877522][ T7] ? __ext4_mark_inode_dirty+0x950/0x950 [ 55.883208][ T7] ? __lock_acquire+0x2224/0x48a0 [ 55.888226][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 55.894196][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 55.900174][ T7] ? __ext4_mark_inode_dirty+0x950/0x950 [ 55.905802][ T7] ? do_writepages+0xfa/0x2a0 [ 55.910506][ T7] do_writepages+0xfa/0x2a0 [ 55.915087][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 55.920723][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 55.926165][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 55.931692][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 55.937666][ T7] ? lock_downgrade+0x840/0x840 [ 55.942534][ T7] __writeback_single_inode+0x12a/0x1410 [ 55.948156][ T7] ? _raw_spin_unlock+0x24/0x40 [ 55.952988][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 55.958964][ T7] writeback_sb_inodes+0x515/0xdd0 [ 55.964076][ T7] ? __writeback_single_inode+0x1410/0x1410 [ 55.969967][ T7] __writeback_inodes_wb+0xc3/0x250 [ 55.975145][ T7] wb_writeback+0x910/0xd90 [ 55.979626][ T7] ? print_usage_bug+0x240/0x240 [ 55.984545][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 55.990852][ T7] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 55.996739][ T7] ? cpumask_next+0x3c/0x40 [ 56.001237][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 56.006429][ T7] wb_workfn+0xadf/0x10d0 [ 56.010741][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 56.016381][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 56.021848][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.027375][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.033338][ T7] process_one_work+0x965/0x16a0 [ 56.038276][ T7] ? lock_release+0x800/0x800 [ 56.042942][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 56.048305][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 56.053225][ T7] worker_thread+0x96/0xe10 [ 56.058059][ T7] ? process_one_work+0x16a0/0x16a0 [ 56.063235][ T7] kthread+0x388/0x470 [ 56.067280][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.072997][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.078702][ T7] ret_from_fork+0x24/0x30 Warning: Permanently added '10.128.10.18' (ECDSA) to the list of known hosts. 2020/06/13 00:47:42 fuzzer started [ 57.666548][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 57.675890][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.681902][ T1155] CPU: 1 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 57.689789][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.699835][ T1155] Call Trace: [ 57.703127][ T1155] dump_stack+0x188/0x20d [ 57.707449][ T1155] debug_smp_processor_id.cold+0x88/0x9b [ 57.713078][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.718188][ T1155] ? __kmalloc+0x62f/0x7a0 [ 57.722606][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.728072][ T1155] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.733784][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 57.739064][ T1155] ? ext4_ext_release+0x10/0x10 [ 57.743919][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 57.748759][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.754209][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 57.759061][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.764246][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 57.769709][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.775242][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.781217][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.786666][ T1155] ext4_writepages+0x1ab7/0x3400 [ 57.791599][ T1155] ? mark_lock+0x30/0xdd0 [ 57.795932][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 57.801581][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 57.807202][ T1155] ? do_writepages+0xfa/0x2a0 [ 57.811886][ T1155] do_writepages+0xfa/0x2a0 [ 57.816387][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 57.822014][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 57.827028][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 57.832309][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 57.837183][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 57.842893][ T1155] ? collapse_file+0x3575/0x4300 [ 57.847821][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 57.853902][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 57.859091][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.865079][ T1155] collapse_file+0x357f/0x4300 [ 57.869850][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 57.875211][ T1155] ? khugepaged+0x24fa/0x3f80 [ 57.879896][ T1155] khugepaged+0x3049/0x3f80 [ 57.884416][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 57.890062][ T1155] ? lock_downgrade+0x840/0x840 [ 57.894905][ T1155] ? finish_wait+0x260/0x260 [ 57.899485][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 57.905280][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.911254][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 57.916267][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 57.921891][ T1155] kthread+0x388/0x470 [ 57.925948][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.931675][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.937383][ T1155] ret_from_fork+0x24/0x30 [ 58.066769][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 58.075920][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.081890][ T1155] CPU: 1 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 58.089785][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.099975][ T1155] Call Trace: [ 58.103283][ T1155] dump_stack+0x188/0x20d [ 58.107734][ T1155] debug_smp_processor_id.cold+0x88/0x9b [ 58.113357][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.118469][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.123934][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 58.130108][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 58.135397][ T1155] ? ext4_ext_release+0x10/0x10 [ 58.140255][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 58.145094][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.150551][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 58.155397][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.160586][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 58.166043][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.171572][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.177539][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 58.183069][ T1155] ext4_writepages+0x1ab7/0x3400 [ 58.188010][ T1155] ? mark_lock+0x30/0xdd0 [ 58.192346][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 58.198076][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 58.203704][ T1155] ? do_writepages+0xfa/0x2a0 [ 58.208369][ T1155] do_writepages+0xfa/0x2a0 [ 58.212880][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 58.218575][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 58.223598][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 58.228794][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 58.233655][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 58.239543][ T1155] ? collapse_file+0x3575/0x4300 [ 58.244469][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 58.250544][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 58.255733][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.261712][ T1155] collapse_file+0x357f/0x4300 [ 58.266488][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 58.271860][ T1155] ? khugepaged+0x24fa/0x3f80 [ 58.276548][ T1155] khugepaged+0x3049/0x3f80 [ 58.281195][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 58.286846][ T1155] ? lock_downgrade+0x840/0x840 [ 58.291704][ T1155] ? finish_wait+0x260/0x260 [ 58.296316][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 58.302127][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.308115][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 58.313163][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 58.318877][ T1155] kthread+0x388/0x470 [ 58.323042][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.328754][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.334473][ T1155] ret_from_fork+0x24/0x30 [ 58.417103][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 58.426251][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.432247][ T1155] CPU: 0 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 58.440137][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.450191][ T1155] Call Trace: [ 58.453484][ T1155] dump_stack+0x188/0x20d [ 58.457812][ T1155] debug_smp_processor_id.cold+0x88/0x9b 2020/06/13 00:47:43 connecting to host at 10.128.0.26:40995 [ 58.463441][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.468569][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.474074][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 58.480246][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 58.485580][ T1155] ? ext4_ext_release+0x10/0x10 [ 58.490431][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 58.495281][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.500760][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 58.505624][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.510853][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 58.516317][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.521893][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.527854][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 58.533310][ T1155] ext4_writepages+0x1ab7/0x3400 [ 58.538229][ T1155] ? mark_lock+0x30/0xdd0 [ 58.542620][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 58.548266][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 58.553899][ T1155] ? do_writepages+0xfa/0x2a0 [ 58.558684][ T1155] do_writepages+0xfa/0x2a0 [ 58.563175][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 58.568840][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 58.573847][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 58.579027][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 58.583935][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 58.589631][ T1155] ? collapse_file+0x3575/0x4300 [ 58.594589][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 58.600640][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 58.605814][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.611791][ T1155] collapse_file+0x357f/0x4300 [ 58.616540][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 58.621886][ T1155] ? khugepaged+0x24fa/0x3f80 [ 58.626554][ T1155] khugepaged+0x3049/0x3f80 [ 58.631050][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 58.636659][ T1155] ? lock_downgrade+0x840/0x840 [ 58.641507][ T1155] ? finish_wait+0x260/0x260 [ 58.646089][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 58.651888][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.657847][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 58.662851][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 2020/06/13 00:47:43 checking machine... 2020/06/13 00:47:43 checking revisions... [ 58.668459][ T1155] kthread+0x388/0x470 [ 58.672504][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.678195][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.683891][ T1155] ret_from_fork+0x24/0x30 2020/06/13 00:47:43 testing simple program... [ 58.938375][ T6792] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6792 [ 58.947525][ T6792] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.953494][ T6792] CPU: 1 PID: 6792 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 58.961380][ T6792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.971677][ T6792] Call Trace: [ 58.974953][ T6792] dump_stack+0x188/0x20d [ 58.979261][ T6792] debug_smp_processor_id.cold+0x88/0x9b [ 58.984886][ T6792] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.989982][ T6792] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.995415][ T6792] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.001114][ T6792] ext4_ext_map_blocks+0x2044/0x3410 [ 59.006381][ T6792] ? ext4_ext_release+0x10/0x10 [ 59.011218][ T6792] ? __down_timeout+0x2d0/0x2d0 [ 59.016069][ T6792] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.021510][ T6792] ext4_map_blocks+0x4cb/0x1640 [ 59.026360][ T6792] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.031534][ T6792] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.037055][ T6792] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.043029][ T6792] ? prandom_u32_state+0xe/0x170 [ 59.047943][ T6792] ? __brelse+0x84/0xa0 [ 59.052099][ T6792] ? __ext4_new_inode+0x144/0x57c0 [ 59.057294][ T6792] ext4_getblk+0xad/0x520 [ 59.061662][ T6792] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.067448][ T6792] ? ext4_free_inode+0x17e0/0x17e0 [ 59.072537][ T6792] ext4_bread+0x7c/0x380 [ 59.076758][ T6792] ? ext4_getblk+0x520/0x520 [ 59.081336][ T6792] ? dqget+0xff0/0xff0 [ 59.085385][ T6792] ext4_append+0x153/0x360 [ 59.089779][ T6792] ext4_mkdir+0x5e0/0xdf0 [ 59.094130][ T6792] ? ext4_rmdir+0xde0/0xde0 [ 59.098630][ T6792] ? security_inode_permission+0xc4/0xf0 [ 59.104285][ T6792] vfs_mkdir+0x419/0x690 [ 59.108507][ T6792] do_mkdirat+0x21e/0x280 [ 59.112817][ T6792] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.117657][ T6792] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.123614][ T6792] ? do_syscall_64+0x21/0x7d0 [ 59.128267][ T6792] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.134236][ T6792] do_syscall_64+0xf6/0x7d0 [ 59.138718][ T6792] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.144588][ T6792] RIP: 0033:0x4b02a0 [ 59.148458][ T6792] Code: 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 49 c7 c2 00 00 00 00 49 c7 c0 00 00 00 00 49 c7 c1 00 00 00 00 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30 [ 59.168039][ T6792] RSP: 002b:000000c0000d94b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 59.176441][ T6792] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 59.184411][ T6792] RDX: 00000000000001c0 RSI: 000000c000026920 RDI: ffffffffffffff9c [ 59.192374][ T6792] RBP: 000000c0000d9510 R08: 0000000000000000 R09: 0000000000000000 [ 59.200333][ T6792] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 59.208289][ T6792] R13: 000000000000004a R14: 0000000000000049 R15: 0000000000000100 [ 59.224891][ T6811] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6811 [ 59.234371][ T6811] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.240348][ T6811] CPU: 1 PID: 6811 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.248583][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.258619][ T6811] Call Trace: [ 59.261913][ T6811] dump_stack+0x188/0x20d [ 59.266225][ T6811] debug_smp_processor_id.cold+0x88/0x9b [ 59.271839][ T6811] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.276934][ T6811] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.282376][ T6811] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.288088][ T6811] ext4_ext_map_blocks+0x2044/0x3410 [ 59.293353][ T6811] ? ext4_ext_release+0x10/0x10 [ 59.298192][ T6811] ? __down_timeout+0x2d0/0x2d0 [ 59.303021][ T6811] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.308460][ T6811] ext4_map_blocks+0x4cb/0x1640 [ 59.313293][ T6811] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.318489][ T6811] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.324116][ T6811] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.330082][ T6811] ? prandom_u32_state+0xe/0x170 [ 59.335067][ T6811] ? __brelse+0x84/0xa0 [ 59.339365][ T6811] ? __ext4_new_inode+0x144/0x57c0 [ 59.344473][ T6811] ext4_getblk+0xad/0x520 [ 59.348923][ T6811] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.354641][ T6811] ? ext4_free_inode+0x17e0/0x17e0 [ 59.359785][ T6811] ext4_bread+0x7c/0x380 [ 59.364019][ T6811] ? ext4_getblk+0x520/0x520 [ 59.368644][ T6811] ? dqget+0xff0/0xff0 [ 59.372829][ T6811] ext4_append+0x153/0x360 [ 59.377237][ T6811] ext4_mkdir+0x5e0/0xdf0 [ 59.381560][ T6811] ? ext4_rmdir+0xde0/0xde0 [ 59.386103][ T6811] ? security_inode_permission+0xc4/0xf0 [ 59.391729][ T6811] vfs_mkdir+0x419/0x690 [ 59.395957][ T6811] do_mkdirat+0x21e/0x280 [ 59.400283][ T6811] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.405128][ T6811] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.411104][ T6811] ? do_syscall_64+0x21/0x7d0 [ 59.415758][ T6811] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.421846][ T6811] do_syscall_64+0xf6/0x7d0 [ 59.426336][ T6811] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.432320][ T6811] RIP: 0033:0x45bee7 [ 59.436203][ T6811] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.455790][ T6811] RSP: 002b:00007ffc6cf10188 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 59.464180][ T6811] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 59.472998][ T6811] RDX: 0000000000000002 RSI: 00000000000001c0 RDI: 00007ffc6cf10360 [ 59.480946][ T6811] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000002840 [ 59.488892][ T6811] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 59.497985][ T6811] R13: 00007ffc6cf10360 R14: 8421084210842109 R15: 00007ffc6cf1036c [ 59.577779][ T6812] IPVS: ftp: loaded support on port[0] = 21 [ 59.614197][ T6812] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6812 [ 59.623813][ T6812] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.629710][ T6812] CPU: 0 PID: 6812 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.637934][ T6812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.647969][ T6812] Call Trace: [ 59.651244][ T6812] dump_stack+0x188/0x20d [ 59.655569][ T6812] debug_smp_processor_id.cold+0x88/0x9b [ 59.661178][ T6812] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.666273][ T6812] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.671731][ T6812] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.677429][ T6812] ext4_ext_map_blocks+0x2044/0x3410 [ 59.682701][ T6812] ? ext4_ext_release+0x10/0x10 [ 59.687538][ T6812] ? __down_timeout+0x2d0/0x2d0 [ 59.692462][ T6812] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.697899][ T6812] ext4_map_blocks+0x4cb/0x1640 [ 59.702741][ T6812] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.708187][ T6812] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.713726][ T6812] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.719684][ T6812] ? prandom_u32_state+0xe/0x170 [ 59.724607][ T6812] ? __brelse+0x84/0xa0 [ 59.728739][ T6812] ? __ext4_new_inode+0x144/0x57c0 [ 59.733845][ T6812] ext4_getblk+0xad/0x520 [ 59.738151][ T6812] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.743853][ T6812] ? ext4_free_inode+0x17e0/0x17e0 [ 59.748941][ T6812] ext4_bread+0x7c/0x380 [ 59.753161][ T6812] ? ext4_getblk+0x520/0x520 [ 59.757726][ T6812] ? dqget+0xff0/0xff0 [ 59.761779][ T6812] ext4_append+0x153/0x360 [ 59.766176][ T6812] ext4_mkdir+0x5e0/0xdf0 [ 59.770485][ T6812] ? ext4_rmdir+0xde0/0xde0 [ 59.774966][ T6812] ? security_inode_permission+0xc4/0xf0 [ 59.780578][ T6812] vfs_mkdir+0x419/0x690 [ 59.784824][ T6812] do_mkdirat+0x21e/0x280 [ 59.789129][ T6812] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.793958][ T6812] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.799949][ T6812] ? do_syscall_64+0x21/0x7d0 [ 59.804603][ T6812] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.810579][ T6812] do_syscall_64+0xf6/0x7d0 [ 59.815078][ T6812] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.820945][ T6812] RIP: 0033:0x45bee7 [ 59.824834][ T6812] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.844476][ T6812] RSP: 002b:00007ffc6cf10078 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 59.852870][ T6812] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 59.860880][ T6812] RDX: 00007ffc6cf100c3 RSI: 00000000000001ff RDI: 00007ffc6cf100c0 [ 59.868841][ T6812] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 59.876801][ T6812] R10: 0000000000000064 R11: 0000000000000206 R12: 00000000004185d0 [ 59.884760][ T6812] R13: 00007ffc6cf100b0 R14: 0000000000000000 R15: 00007ffc6cf100c0 [ 59.936345][ T6812] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6812 [ 59.946016][ T6812] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.952019][ T6812] CPU: 1 PID: 6812 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.960255][ T6812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.970309][ T6812] Call Trace: [ 59.973608][ T6812] dump_stack+0x188/0x20d [ 59.977950][ T6812] debug_smp_processor_id.cold+0x88/0x9b [ 59.983589][ T6812] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.988724][ T6812] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.994188][ T6812] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.999900][ T6812] ext4_ext_map_blocks+0x2044/0x3410 [ 60.005168][ T6812] ? ext4_ext_release+0x10/0x10 [ 60.010007][ T6812] ? __down_timeout+0x2d0/0x2d0 [ 60.014886][ T6812] ? ext4_es_lookup_extent+0x41d/0xd30 [ 60.020341][ T6812] ext4_map_blocks+0x4cb/0x1640 [ 60.025176][ T6812] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.030367][ T6812] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.035889][ T6812] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.041854][ T6812] ? prandom_u32_state+0xe/0x170 [ 60.046768][ T6812] ? __brelse+0x84/0xa0 [ 60.050916][ T6812] ? __ext4_new_inode+0x144/0x57c0 [ 60.056021][ T6812] ext4_getblk+0xad/0x520 [ 60.060331][ T6812] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.066032][ T6812] ? ext4_free_inode+0x17e0/0x17e0 [ 60.071129][ T6812] ext4_bread+0x7c/0x380 [ 60.075349][ T6812] ? ext4_getblk+0x520/0x520 [ 60.079915][ T6812] ? dqget+0xff0/0xff0 [ 60.083964][ T6812] ext4_append+0x153/0x360 [ 60.088360][ T6812] ext4_mkdir+0x5e0/0xdf0 [ 60.092672][ T6812] ? ext4_rmdir+0xde0/0xde0 [ 60.097161][ T6812] ? security_inode_permission+0xc4/0xf0 [ 60.102775][ T6812] vfs_mkdir+0x419/0x690 [ 60.107006][ T6812] do_mkdirat+0x21e/0x280 [ 60.111321][ T6812] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.116496][ T6812] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.122474][ T6812] ? do_syscall_64+0x21/0x7d0 [ 60.127172][ T6812] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.133186][ T6812] do_syscall_64+0xf6/0x7d0 [ 60.137676][ T6812] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 60.143568][ T6812] RIP: 0033:0x45bee7 [ 60.147442][ T6812] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 60.167075][ T6812] RSP: 002b:00007ffc6cf10078 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 60.175465][ T6812] RAX: ffffffffffffffda RBX: 000000000000ea1a RCX: 000000000045bee7 2020/06/13 00:47:45 building call list... [ 60.183428][ T6812] RDX: 00007ffc6cf100c3 RSI: 00000000000001ff RDI: 00007ffc6cf100c0 [ 60.191391][ T6812] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 60.199338][ T6812] R10: 0000000000000064 R11: 0000000000000206 R12: 0000000000000003 [ 60.207301][ T6812] R13: 00007ffc6cf100b0 R14: 000000000000ea0d R15: 00007ffc6cf100c0 [ 60.499689][ T7] tipc: TX() has been purged, node left! executing program [ 61.944985][ T6807] can: request_module (can-proto-0) failed. [ 62.484511][ T6807] can: request_module (can-proto-0) failed. [ 62.495719][ T6807] can: request_module (can-proto-0) failed.