[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 57.711670][ T366] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:4/366 [ 57.720814][ T366] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.727314][ T366] CPU: 0 PID: 366 Comm: kworker/u4:4 Not tainted 5.7.0-syzkaller #0 [ 57.735327][ T366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.745566][ T366] Workqueue: writeback wb_workfn (flush-8:0) [ 57.751536][ T366] Call Trace: [ 57.754814][ T366] dump_stack+0x188/0x20d [ 57.759125][ T366] debug_smp_processor_id.cold+0x88/0x9b [ 57.764734][ T366] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.770123][ T366] ? __kmalloc+0x62f/0x7a0 [ 57.774610][ T366] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.780044][ T366] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.785744][ T366] ext4_ext_map_blocks+0x2044/0x3410 [ 57.791024][ T366] ? ext4_ext_release+0x10/0x10 [ 57.795862][ T366] ? __down_timeout+0x2d0/0x2d0 [ 57.800687][ T366] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.806122][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 57.811567][ T366] ext4_map_blocks+0x4cb/0x1640 [ 57.816410][ T366] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.821594][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 57.827031][ T366] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.832553][ T366] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.838506][ T366] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.843941][ T366] ext4_writepages+0x1ab7/0x3400 [ 57.848864][ T366] ? __ext4_mark_inode_dirty+0x950/0x950 [ 57.854485][ T366] ? __lock_acquire+0x2224/0x48a0 [ 57.859493][ T366] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.865451][ T366] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.871427][ T366] ? __ext4_mark_inode_dirty+0x950/0x950 [ 57.877146][ T366] ? do_writepages+0xfa/0x2a0 [ 57.881798][ T366] do_writepages+0xfa/0x2a0 [ 57.886293][ T366] ? page_writeback_cpu_online+0x10/0x10 [ 57.891928][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 57.897384][ T366] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.902907][ T366] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.909039][ T366] ? lock_downgrade+0x840/0x840 [ 57.913871][ T366] __writeback_single_inode+0x12a/0x1410 [ 57.919479][ T366] ? _raw_spin_unlock+0x24/0x40 [ 57.924308][ T366] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 57.930277][ T366] writeback_sb_inodes+0x515/0xdd0 [ 57.935383][ T366] ? __writeback_single_inode+0x1410/0x1410 [ 57.941271][ T366] __writeback_inodes_wb+0xc3/0x250 [ 57.946449][ T366] wb_writeback+0x910/0xd90 [ 57.951022][ T366] ? print_usage_bug+0x240/0x240 [ 57.955934][ T366] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 57.962237][ T366] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 57.968113][ T366] ? cpumask_next+0x3c/0x40 [ 57.972610][ T366] ? get_nr_dirty_inodes+0xd6/0x130 [ 57.977804][ T366] wb_workfn+0xadf/0x10d0 [ 57.982137][ T366] ? inode_wait_for_writeback+0x30/0x30 [ 57.987658][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 57.993108][ T366] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.998630][ T366] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.004589][ T366] process_one_work+0x965/0x16a0 [ 58.009530][ T366] ? lock_release+0x800/0x800 [ 58.014191][ T366] ? pwq_dec_nr_in_flight+0x310/0x310 [ 58.019566][ T366] ? rwlock_bug.part.0+0x90/0x90 [ 58.024498][ T366] worker_thread+0x96/0xe10 [ 58.028983][ T366] ? process_one_work+0x16a0/0x16a0 [ 58.034418][ T366] kthread+0x388/0x470 [ 58.038462][ T366] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.044155][ T366] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.049951][ T366] ret_from_fork+0x24/0x30 Warning: Permanently added '10.128.15.198' (ECDSA) to the list of known hosts. 2020/06/13 02:34:10 fuzzer started 2020/06/13 02:34:10 connecting to host at 10.128.0.26:43529 2020/06/13 02:34:10 checking machine... 2020/06/13 02:34:10 checking revisions... 2020/06/13 02:34:10 testing simple program... [ 62.916185][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 62.925641][ T1154] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 62.931628][ T1154] CPU: 1 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 62.939511][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.949563][ T1154] Call Trace: [ 62.952857][ T1154] dump_stack+0x188/0x20d [ 62.957190][ T1154] debug_smp_processor_id.cold+0x88/0x9b [ 62.962825][ T1154] ext4_mb_new_blocks+0xa77/0x3b30 [ 62.968112][ T1154] ? __kmalloc+0x62f/0x7a0 [ 62.972541][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.978001][ T1154] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 62.983750][ T1154] ext4_ext_map_blocks+0x2044/0x3410 [ 62.989132][ T1154] ? ext4_ext_release+0x10/0x10 [ 62.994003][ T1154] ? __down_timeout+0x2d0/0x2d0 [ 62.998865][ T1154] ? ext4_es_lookup_extent+0x41d/0xd30 [ 63.004365][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 63.009222][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.014423][ T1154] ? debug_smp_processor_id+0x2f/0x185 [ 63.019887][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.025433][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.031410][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.036870][ T1154] ext4_writepages+0x1ab7/0x3400 [ 63.041808][ T1154] ? mark_lock+0x30/0xdd0 [ 63.046149][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.051806][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.057432][ T1154] ? do_writepages+0xfa/0x2a0 [ 63.062103][ T1154] do_writepages+0xfa/0x2a0 [ 63.066608][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 63.072247][ T1154] ? do_raw_spin_lock+0x129/0x2e0 [ 63.077272][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 63.082473][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 63.087345][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 63.093075][ T1154] ? collapse_file+0x3575/0x4300 [ 63.098013][ T1154] ? delete_from_page_cache_batch+0xec0/0xec0 [ 63.104148][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 63.109347][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.115332][ T1154] collapse_file+0x357f/0x4300 [ 63.120116][ T1154] ? collapse_huge_page+0x4370/0x4370 [ 63.125488][ T1154] ? khugepaged+0x24fa/0x3f80 [ 63.126856][ T6817] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6817 [ 63.130169][ T1154] ? xfrm_get_policy+0x68/0xb20 [ 63.130203][ T1154] khugepaged+0x3049/0x3f80 [ 63.139203][ T6817] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 63.144044][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.144059][ T1154] ? lock_downgrade+0x840/0x840 [ 63.144076][ T1154] ? finish_wait+0x260/0x260 [ 63.169395][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 63.175193][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.181249][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 63.186267][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.191890][ T1154] kthread+0x388/0x470 [ 63.195937][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.201634][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.207334][ T1154] ret_from_fork+0x24/0x30 [ 63.211745][ T6817] CPU: 0 PID: 6817 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 63.219631][ T6817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.229679][ T6817] Call Trace: [ 63.232978][ T6817] dump_stack+0x188/0x20d [ 63.237316][ T6817] debug_smp_processor_id.cold+0x88/0x9b [ 63.242949][ T6817] ext4_mb_new_blocks+0xa77/0x3b30 [ 63.248069][ T6817] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.253524][ T6817] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 63.259295][ T6817] ext4_ext_map_blocks+0x2044/0x3410 [ 63.264622][ T6817] ? ext4_ext_release+0x10/0x10 [ 63.269582][ T6817] ? __down_timeout+0x2d0/0x2d0 [ 63.274654][ T6817] ? ext4_es_lookup_extent+0x41d/0xd30 [ 63.280290][ T6817] ext4_map_blocks+0x4cb/0x1640 [ 63.281986][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 63.288284][ T6817] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.288299][ T6817] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.288314][ T6817] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.288329][ T6817] ? prandom_u32_state+0xe/0x170 [ 63.288346][ T6817] ? __brelse+0x84/0xa0 [ 63.288366][ T6817] ? __ext4_new_inode+0x144/0x57c0 [ 63.288386][ T6817] ext4_getblk+0xad/0x520 [ 63.288409][ T6817] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 63.288429][ T6817] ? ext4_free_inode+0x17e0/0x17e0 [ 63.297556][ T1154] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 63.302629][ T6817] ext4_bread+0x7c/0x380 [ 63.302644][ T6817] ? ext4_getblk+0x520/0x520 [ 63.302657][ T6817] ? dqget+0xff0/0xff0 [ 63.302678][ T6817] ext4_append+0x153/0x360 [ 63.302696][ T6817] ext4_mkdir+0x5e0/0xdf0 [ 63.302717][ T6817] ? ext4_rmdir+0xde0/0xde0 [ 63.375318][ T6817] ? security_inode_permission+0xc4/0xf0 [ 63.380940][ T6817] vfs_mkdir+0x419/0x690 [ 63.385168][ T6817] do_mkdirat+0x21e/0x280 [ 63.389985][ T6817] ? __ia32_sys_mknod+0xb0/0xb0 [ 63.394824][ T6817] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.400798][ T6817] ? do_syscall_64+0x21/0x7d0 [ 63.405456][ T6817] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.411418][ T6817] do_syscall_64+0xf6/0x7d0 [ 63.415925][ T6817] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 63.421802][ T6817] RIP: 0033:0x4b02a0 [ 63.425685][ T6817] 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 [ 63.445275][ T6817] RSP: 002b:000000c0000f14b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 63.453670][ T6817] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 63.461635][ T6817] RDX: 00000000000001c0 RSI: 000000c00035a960 RDI: ffffffffffffff9c [ 63.469587][ T6817] RBP: 000000c0000f1510 R08: 0000000000000000 R09: 0000000000000000 [ 63.477543][ T6817] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 63.485514][ T6817] R13: 000000000000004c R14: 000000000000004b R15: 0000000000000100 [ 63.494549][ T1154] CPU: 1 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 63.495325][ T366] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:4/366 [ 63.502524][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.502530][ T1154] Call Trace: [ 63.502551][ T1154] dump_stack+0x188/0x20d [ 63.502568][ T1154] debug_smp_processor_id.cold+0x88/0x9b [ 63.502586][ T1154] ext4_mb_new_blocks+0xa77/0x3b30 [ 63.511710][ T366] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 63.521744][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.521767][ T1154] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 63.557455][ T1154] ext4_ext_map_blocks+0x2044/0x3410 [ 63.562738][ T1154] ? ext4_ext_release+0x10/0x10 [ 63.567581][ T1154] ? __down_timeout+0x2d0/0x2d0 [ 63.572412][ T1154] ? ext4_es_lookup_extent+0x41d/0xd30 [ 63.577856][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 63.582694][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.587874][ T1154] ? debug_smp_processor_id+0x2f/0x185 [ 63.593330][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.598855][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.604816][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.610259][ T1154] ext4_writepages+0x1ab7/0x3400 [ 63.615179][ T1154] ? mark_lock+0x30/0xdd0 [ 63.619500][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.625156][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.630768][ T1154] ? do_writepages+0xfa/0x2a0 [ 63.635553][ T1154] do_writepages+0xfa/0x2a0 [ 63.640051][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 63.645684][ T1154] ? do_raw_spin_lock+0x129/0x2e0 [ 63.650709][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 63.656025][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 63.660871][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 63.666575][ T1154] ? collapse_file+0x3575/0x4300 [ 63.671497][ T1154] ? delete_from_page_cache_batch+0xec0/0xec0 [ 63.677828][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 63.683025][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.688992][ T1154] collapse_file+0x357f/0x4300 [ 63.693752][ T1154] ? collapse_huge_page+0x4370/0x4370 [ 63.699104][ T1154] ? khugepaged+0x24fa/0x3f80 [ 63.703771][ T1154] ? xfrm_get_policy+0x68/0xb20 [ 63.708604][ T1154] khugepaged+0x3049/0x3f80 [ 63.713105][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.718734][ T1154] ? lock_downgrade+0x840/0x840 [ 63.723565][ T1154] ? finish_wait+0x260/0x260 [ 63.728146][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 63.733932][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.739913][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 63.744923][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.750548][ T1154] kthread+0x388/0x470 [ 63.754606][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.760305][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.766040][ T1154] ret_from_fork+0x24/0x30 [ 63.770803][ T366] CPU: 0 PID: 366 Comm: kworker/u4:4 Not tainted 5.7.0-syzkaller #0 [ 63.778793][ T366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.788866][ T366] Workqueue: writeback wb_workfn (flush-8:0) [ 63.789140][ T6818] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6818 [ 63.794839][ T366] Call Trace: [ 63.794861][ T366] dump_stack+0x188/0x20d [ 63.794881][ T366] debug_smp_processor_id.cold+0x88/0x9b [ 63.794895][ T366] ext4_mb_new_blocks+0xa77/0x3b30 [ 63.794909][ T366] ? __kmalloc+0x62f/0x7a0 [ 63.794933][ T366] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.794947][ T366] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 63.794968][ T366] ext4_ext_map_blocks+0x2044/0x3410 [ 63.794989][ T366] ? ext4_ext_release+0x10/0x10 [ 63.795018][ T366] ? __down_timeout+0x2d0/0x2d0 [ 63.804395][ T6818] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 63.807896][ T366] ? ext4_es_lookup_extent+0x41d/0xd30 [ 63.864622][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 63.870077][ T366] ext4_map_blocks+0x4cb/0x1640 [ 63.874933][ T366] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.880142][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 63.885592][ T366] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.891121][ T366] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.897082][ T366] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.902542][ T366] ext4_writepages+0x1ab7/0x3400 [ 63.907479][ T366] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.913094][ T366] ? __lock_acquire+0x2224/0x48a0 [ 63.918113][ T366] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 63.924080][ T366] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 63.930061][ T366] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.935702][ T366] ? do_writepages+0xfa/0x2a0 [ 63.940381][ T366] do_writepages+0xfa/0x2a0 [ 63.944892][ T366] ? page_writeback_cpu_online+0x10/0x10 [ 63.950510][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 63.955963][ T366] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.961496][ T366] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.967460][ T366] ? lock_downgrade+0x840/0x840 [ 63.972312][ T366] __writeback_single_inode+0x12a/0x1410 [ 63.977928][ T366] ? _raw_spin_unlock+0x24/0x40 [ 63.982771][ T366] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 63.988740][ T366] writeback_sb_inodes+0x515/0xdd0 [ 63.993845][ T366] ? __writeback_single_inode+0x1410/0x1410 [ 63.999735][ T366] __writeback_inodes_wb+0xc3/0x250 [ 64.004922][ T366] wb_writeback+0x910/0xd90 [ 64.009432][ T366] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 64.015750][ T366] ? cpumask_next+0x3c/0x40 [ 64.020236][ T366] ? get_nr_dirty_inodes+0xd6/0x130 [ 64.025420][ T366] wb_workfn+0x9d8/0x10d0 [ 64.029741][ T366] ? inode_wait_for_writeback+0x30/0x30 [ 64.035280][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 64.040743][ T366] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.046273][ T366] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.052242][ T366] process_one_work+0x965/0x16a0 [ 64.057169][ T366] ? lock_release+0x800/0x800 [ 64.061828][ T366] ? pwq_dec_nr_in_flight+0x310/0x310 [ 64.067201][ T366] ? rwlock_bug.part.0+0x90/0x90 [ 64.072143][ T366] worker_thread+0x96/0xe10 [ 64.076640][ T366] ? process_one_work+0x16a0/0x16a0 [ 64.081828][ T366] kthread+0x388/0x470 [ 64.085878][ T366] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.091581][ T366] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.097285][ T366] ret_from_fork+0x24/0x30 [ 64.101722][ T6818] CPU: 1 PID: 6818 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 64.109981][ T6818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.120037][ T6818] Call Trace: [ 64.123340][ T6818] dump_stack+0x188/0x20d [ 64.127676][ T6818] debug_smp_processor_id.cold+0x88/0x9b [ 64.133310][ T6818] ext4_mb_new_blocks+0xa77/0x3b30 [ 64.138435][ T6818] ? ext4_ext_search_right+0x2ca/0xb20 [ 64.143897][ T6818] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 64.149623][ T6818] ext4_ext_map_blocks+0x2044/0x3410 [ 64.154930][ T6818] ? ext4_ext_release+0x10/0x10 [ 64.159799][ T6818] ? __down_timeout+0x2d0/0x2d0 [ 64.160416][ T366] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:4/366 [ 64.164660][ T6818] ? ext4_es_lookup_extent+0x41d/0xd30 [ 64.173794][ T366] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 64.179203][ T6818] ext4_map_blocks+0x4cb/0x1640 [ 64.189916][ T6818] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 64.195102][ T6818] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.200637][ T6818] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.206599][ T6818] ? prandom_u32_state+0xe/0x170 [ 64.211521][ T6818] ? __brelse+0x84/0xa0 [ 64.215661][ T6818] ? __ext4_new_inode+0x144/0x57c0 [ 64.220758][ T6818] ext4_getblk+0xad/0x520 [ 64.225078][ T6818] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 64.230801][ T6818] ? ext4_free_inode+0x17e0/0x17e0 [ 64.235913][ T6818] ext4_bread+0x7c/0x380 [ 64.240152][ T6818] ? ext4_getblk+0x520/0x520 [ 64.244724][ T6818] ? dqget+0xff0/0xff0 [ 64.248782][ T6818] ext4_append+0x153/0x360 [ 64.253194][ T6818] ext4_mkdir+0x5e0/0xdf0 [ 64.257513][ T6818] ? ext4_rmdir+0xde0/0xde0 [ 64.262001][ T6818] ? security_inode_permission+0xc4/0xf0 [ 64.267621][ T6818] vfs_mkdir+0x419/0x690 [ 64.271861][ T6818] do_mkdirat+0x21e/0x280 [ 64.276175][ T6818] ? __ia32_sys_mknod+0xb0/0xb0 [ 64.281011][ T6818] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.286973][ T6818] ? do_syscall_64+0x21/0x7d0 [ 64.291635][ T6818] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.297613][ T6818] do_syscall_64+0xf6/0x7d0 [ 64.302121][ T6818] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 64.307998][ T6818] RIP: 0033:0x45bee7 [ 64.311875][ T6818] 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 [ 64.331459][ T6818] RSP: 002b:00007ffc73ecc8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 64.339851][ T6818] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 64.347817][ T6818] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007ffc73eccaa0 [ 64.355770][ T6818] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 00000000000031c0 [ 64.363735][ T6818] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 64.371691][ T6818] R13: 00007ffc73eccaa0 R14: 8421084210842109 R15: 00007ffc73eccaac [ 64.379666][ T366] CPU: 0 PID: 366 Comm: kworker/u4:4 Not tainted 5.7.0-syzkaller #0 [ 64.387665][ T366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.397748][ T366] Workqueue: writeback wb_workfn (flush-8:0) [ 64.403737][ T366] Call Trace: [ 64.407034][ T366] dump_stack+0x188/0x20d [ 64.411406][ T366] debug_smp_processor_id.cold+0x88/0x9b [ 64.412406][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 64.417040][ T366] ext4_mb_new_blocks+0xa77/0x3b30 [ 64.417054][ T366] ? __kmalloc+0x62f/0x7a0 [ 64.417079][ T366] ? ext4_ext_search_right+0x2ca/0xb20 [ 64.417093][ T366] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 64.417115][ T366] ext4_ext_map_blocks+0x2044/0x3410 [ 64.417138][ T366] ? ext4_ext_release+0x10/0x10 [ 64.417173][ T366] ? __down_timeout+0x2d0/0x2d0 [ 64.417187][ T366] ? ext4_es_lookup_extent+0x41d/0xd30 [ 64.417201][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 64.417222][ T366] ext4_map_blocks+0x4cb/0x1640 [ 64.417246][ T366] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 64.417259][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 64.417280][ T366] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.417299][ T366] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.426447][ T1154] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 64.431394][ T366] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 64.431413][ T366] ext4_writepages+0x1ab7/0x3400 [ 64.431451][ T366] ? __ext4_mark_inode_dirty+0x950/0x950 [ 64.521466][ T366] ? __lock_acquire+0x2224/0x48a0 [ 64.526485][ T366] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 64.532456][ T366] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 64.538420][ T366] ? __ext4_mark_inode_dirty+0x950/0x950 [ 64.544037][ T366] ? do_writepages+0xfa/0x2a0 [ 64.548696][ T366] do_writepages+0xfa/0x2a0 [ 64.553187][ T366] ? page_writeback_cpu_online+0x10/0x10 [ 64.558799][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 64.564259][ T366] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.569789][ T366] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.575751][ T366] ? lock_downgrade+0x840/0x840 [ 64.580611][ T366] __writeback_single_inode+0x12a/0x1410 [ 64.586227][ T366] ? _raw_spin_unlock+0x24/0x40 [ 64.591075][ T366] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 64.597063][ T366] writeback_sb_inodes+0x515/0xdd0 [ 64.602178][ T366] ? __writeback_single_inode+0x1410/0x1410 [ 64.608070][ T366] __writeback_inodes_wb+0xc3/0x250 [ 64.613274][ T366] wb_writeback+0x910/0xd90 [ 64.617783][ T366] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 64.624114][ T366] ? cpumask_next+0x3c/0x40 [ 64.628599][ T366] ? get_nr_dirty_inodes+0xd6/0x130 [ 64.633783][ T366] wb_workfn+0x9d8/0x10d0 [ 64.638104][ T366] ? inode_wait_for_writeback+0x30/0x30 [ 64.643633][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 64.649097][ T366] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.654661][ T366] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.660650][ T366] process_one_work+0x965/0x16a0 [ 64.665974][ T366] ? lock_release+0x800/0x800 [ 64.670639][ T366] ? pwq_dec_nr_in_flight+0x310/0x310 [ 64.676014][ T366] ? rwlock_bug.part.0+0x90/0x90 [ 64.680941][ T366] worker_thread+0x96/0xe10 [ 64.685438][ T366] ? process_one_work+0x16a0/0x16a0 [ 64.690626][ T366] kthread+0x388/0x470 [ 64.694677][ T366] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.700380][ T366] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.706083][ T366] ret_from_fork+0x24/0x30 [ 64.710513][ T1154] CPU: 1 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 64.718411][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.728490][ T1154] Call Trace: [ 64.731815][ T1154] dump_stack+0x188/0x20d [ 64.736245][ T1154] debug_smp_processor_id.cold+0x88/0x9b [ 64.741884][ T1154] ext4_mb_new_blocks+0xa77/0x3b30 [ 64.747008][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 64.752475][ T1154] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 64.758500][ T366] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:4/366 [ 64.758627][ T1154] ext4_ext_map_blocks+0x2044/0x3410 [ 64.767861][ T366] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 64.773083][ T1154] ? ext4_ext_release+0x10/0x10 [ 64.773112][ T1154] ? __down_timeout+0x2d0/0x2d0 [ 64.773126][ T1154] ? ext4_es_lookup_extent+0x41d/0xd30 [ 64.773146][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 64.773167][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 64.804094][ T1154] ? debug_smp_processor_id+0x2f/0x185 [ 64.809540][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.815070][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.821036][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 64.826495][ T1154] ext4_writepages+0x1ab7/0x3400 [ 64.831418][ T1154] ? mark_lock+0x30/0xdd0 [ 64.835740][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 64.841377][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 64.846989][ T1154] ? do_writepages+0xfa/0x2a0 [ 64.851646][ T1154] do_writepages+0xfa/0x2a0 [ 64.856149][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 64.861765][ T1154] ? do_raw_spin_lock+0x129/0x2e0 [ 64.866771][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 64.871967][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 64.876820][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 64.882522][ T1154] ? collapse_file+0x3575/0x4300 [ 64.887452][ T1154] ? delete_from_page_cache_batch+0xec0/0xec0 [ 64.893507][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 64.898703][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.904682][ T1154] collapse_file+0x357f/0x4300 [ 64.909456][ T1154] ? collapse_huge_page+0x4370/0x4370 [ 64.914810][ T1154] ? khugepaged+0x24fa/0x3f80 [ 64.919481][ T1154] ? xfrm_get_policy+0x68/0xb20 [ 64.924331][ T1154] khugepaged+0x3049/0x3f80 [ 64.928850][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 64.934464][ T1154] ? lock_downgrade+0x840/0x840 [ 64.939407][ T1154] ? finish_wait+0x260/0x260 [ 64.944074][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 64.949879][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.955847][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 64.960852][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 64.966467][ T1154] kthread+0x388/0x470 [ 64.970518][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.976218][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.981922][ T1154] ret_from_fork+0x24/0x30 [ 64.986347][ T366] CPU: 0 PID: 366 Comm: kworker/u4:4 Not tainted 5.7.0-syzkaller #0 [ 64.994333][ T366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.004405][ T366] Workqueue: writeback wb_workfn (flush-8:0) [ 65.010390][ T366] Call Trace: [ 65.013691][ T366] dump_stack+0x188/0x20d [ 65.018028][ T366] debug_smp_processor_id.cold+0x88/0x9b [ 65.023666][ T366] ext4_mb_new_blocks+0xa77/0x3b30 [ 65.028962][ T366] ? __kmalloc+0x62f/0x7a0 [ 65.033395][ T366] ? ext4_ext_search_right+0x2ca/0xb20 [ 65.038859][ T366] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 65.044619][ T366] ext4_ext_map_blocks+0x2044/0x3410 [ 65.049924][ T366] ? ext4_ext_release+0x10/0x10 [ 65.054808][ T366] ? __down_timeout+0x2d0/0x2d0 [ 65.059664][ T366] ? ext4_es_lookup_extent+0x41d/0xd30 [ 65.065127][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 65.070600][ T366] ext4_map_blocks+0x4cb/0x1640 [ 65.075464][ T366] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 65.080672][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 65.086149][ T366] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.091718][ T366] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 65.097710][ T366] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 65.103191][ T366] ext4_writepages+0x1ab7/0x3400 [ 65.104428][ T6819] IPVS: ftp: loaded support on port[0] = 21 [ 65.108147][ T366] ? __ext4_mark_inode_dirty+0x950/0x950 [ 65.119636][ T366] ? __lock_acquire+0x2224/0x48a0 [ 65.124685][ T366] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 65.130679][ T366] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 65.136669][ T366] ? __ext4_mark_inode_dirty+0x950/0x950 [ 65.142313][ T366] ? do_writepages+0xfa/0x2a0 [ 65.146995][ T366] do_writepages+0xfa/0x2a0 [ 65.151509][ T366] ? page_writeback_cpu_online+0x10/0x10 [ 65.157146][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 65.162619][ T366] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.168173][ T366] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 65.169809][ T6819] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6819 [ 65.174187][ T366] ? lock_downgrade+0x840/0x840 [ 65.174208][ T366] __writeback_single_inode+0x12a/0x1410 [ 65.174226][ T366] ? _raw_spin_unlock+0x24/0x40 [ 65.183797][ T6819] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 65.188529][ T366] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 65.210800][ T366] writeback_sb_inodes+0x515/0xdd0 [ 65.215918][ T366] ? __writeback_single_inode+0x1410/0x1410 [ 65.221809][ T366] __writeback_inodes_wb+0xc3/0x250 [ 65.227009][ T366] wb_writeback+0x910/0xd90 [ 65.231520][ T366] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 65.237841][ T366] ? cpumask_next+0x3c/0x40 [ 65.242328][ T366] ? get_nr_dirty_inodes+0xd6/0x130 [ 65.247513][ T366] wb_workfn+0x9d8/0x10d0 [ 65.251836][ T366] ? inode_wait_for_writeback+0x30/0x30 [ 65.257362][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 65.262808][ T366] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.268344][ T366] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 65.274313][ T366] process_one_work+0x965/0x16a0 [ 65.279361][ T366] ? lock_release+0x800/0x800 [ 65.284022][ T366] ? pwq_dec_nr_in_flight+0x310/0x310 [ 65.289382][ T366] ? rwlock_bug.part.0+0x90/0x90 [ 65.294309][ T366] worker_thread+0x96/0xe10 [ 65.298905][ T366] ? process_one_work+0x16a0/0x16a0 [ 65.304093][ T366] kthread+0x388/0x470 [ 65.308149][ T366] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 65.313855][ T366] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 65.319564][ T366] ret_from_fork+0x24/0x30 [ 65.323979][ T6819] CPU: 1 PID: 6819 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 65.329928][ T366] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:4/366 [ 65.332212][ T6819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.332224][ T6819] Call Trace: [ 65.332244][ T6819] dump_stack+0x188/0x20d [ 65.341504][ T366] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 65.351513][ T6819] debug_smp_processor_id.cold+0x88/0x9b [ 65.351526][ T6819] ext4_mb_new_blocks+0xa77/0x3b30 [ 65.351552][ T6819] ? ext4_ext_search_right+0x2ca/0xb20 [ 65.351572][ T6819] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 65.387041][ T6819] ext4_ext_map_blocks+0x2044/0x3410 [ 65.392313][ T6819] ? ext4_ext_release+0x10/0x10 [ 65.397157][ T6819] ? __down_timeout+0x2d0/0x2d0 [ 65.401987][ T6819] ? ext4_es_lookup_extent+0x41d/0xd30 [ 65.407445][ T6819] ext4_map_blocks+0x4cb/0x1640 [ 65.412283][ T6819] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 65.417463][ T6819] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.422989][ T6819] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 65.428966][ T6819] ? prandom_u32_state+0xe/0x170 [ 65.433887][ T6819] ? __brelse+0x84/0xa0 [ 65.438029][ T6819] ? __ext4_new_inode+0x144/0x57c0 [ 65.443139][ T6819] ext4_getblk+0xad/0x520 [ 65.447471][ T6819] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 65.453186][ T6819] ? ext4_free_inode+0x17e0/0x17e0 [ 65.458290][ T6819] ext4_bread+0x7c/0x380 [ 65.462524][ T6819] ? ext4_getblk+0x520/0x520 [ 65.467107][ T6819] ? dqget+0xff0/0xff0 [ 65.471307][ T6819] ext4_append+0x153/0x360 [ 65.475733][ T6819] ext4_mkdir+0x5e0/0xdf0 [ 65.480056][ T6819] ? ext4_rmdir+0xde0/0xde0 [ 65.484577][ T6819] ? security_inode_permission+0xc4/0xf0 [ 65.490203][ T6819] vfs_mkdir+0x419/0x690 [ 65.494430][ T6819] do_mkdirat+0x21e/0x280 [ 65.498751][ T6819] ? __ia32_sys_mknod+0xb0/0xb0 [ 65.503586][ T6819] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 65.509554][ T6819] ? do_syscall_64+0x21/0x7d0 [ 65.514211][ T6819] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 65.520177][ T6819] do_syscall_64+0xf6/0x7d0 [ 65.524679][ T6819] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 65.530554][ T6819] RIP: 0033:0x45bee7 [ 65.534434][ T6819] 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 [ 65.554030][ T6819] RSP: 002b:00007ffc73ecc7b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 65.562428][ T6819] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 65.570380][ T6819] RDX: 00007ffc73ecc803 RSI: 00000000000001ff RDI: 00007ffc73ecc800 [ 65.578347][ T6819] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 65.586316][ T6819] R10: 0000000000000064 R11: 0000000000000206 R12: 00000000004185d0 [ 65.594285][ T6819] R13: 00007ffc73ecc7f0 R14: 0000000000000000 R15: 00007ffc73ecc800 [ 65.602345][ T366] CPU: 0 PID: 366 Comm: kworker/u4:4 Not tainted 5.7.0-syzkaller #0 [ 65.610354][ T366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.620423][ T366] Workqueue: writeback wb_workfn (flush-8:0) [ 65.626425][ T366] Call Trace: [ 65.629720][ T366] dump_stack+0x188/0x20d [ 65.634071][ T366] debug_smp_processor_id.cold+0x88/0x9b [ 65.639712][ T366] ext4_mb_new_blocks+0xa77/0x3b30 [ 65.644829][ T366] ? __kmalloc+0x62f/0x7a0 [ 65.649274][ T366] ? ext4_ext_search_right+0x2ca/0xb20 [ 65.654747][ T366] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 65.660478][ T366] ext4_ext_map_blocks+0x2044/0x3410 [ 65.665783][ T366] ? ext4_ext_release+0x10/0x10 [ 65.670657][ T366] ? __down_timeout+0x2d0/0x2d0 [ 65.675514][ T366] ? ext4_es_lookup_extent+0x41d/0xd30 [ 65.680980][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 65.686456][ T366] ext4_map_blocks+0x4cb/0x1640 [ 65.691327][ T366] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 65.696530][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 65.702004][ T366] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.707583][ T366] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 65.713595][ T366] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 65.719068][ T366] ext4_writepages+0x1ab7/0x3400 [ 65.724046][ T366] ? __ext4_mark_inode_dirty+0x950/0x950 [ 65.729687][ T366] ? __lock_acquire+0x2224/0x48a0 [ 65.734766][ T366] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 65.740761][ T366] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 65.746758][ T366] ? __ext4_mark_inode_dirty+0x950/0x950 [ 65.752398][ T366] ? do_writepages+0xfa/0x2a0 [ 65.757080][ T366] do_writepages+0xfa/0x2a0 [ 65.761595][ T366] ? page_writeback_cpu_online+0x10/0x10 [ 65.767232][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 65.772707][ T366] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.778255][ T366] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 65.784248][ T366] ? lock_downgrade+0x840/0x840 [ 65.789141][ T366] __writeback_single_inode+0x12a/0x1410 [ 65.794786][ T366] ? _raw_spin_unlock+0x24/0x40 [ 65.799646][ T366] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 65.805639][ T366] writeback_sb_inodes+0x515/0xdd0 [ 65.810778][ T366] ? __writeback_single_inode+0x1410/0x1410 [ 65.816694][ T366] __writeback_inodes_wb+0xc3/0x250 [ 65.821908][ T366] wb_writeback+0x910/0xd90 executing program [ 65.826427][ T366] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 65.832774][ T366] ? cpumask_next+0x3c/0x40 [ 65.837287][ T366] ? get_nr_dirty_inodes+0xd6/0x130 [ 65.842518][ T366] wb_workfn+0x9d8/0x10d0 [ 65.846864][ T366] ? inode_wait_for_writeback+0x30/0x30 [ 65.852411][ T366] ? debug_smp_processor_id+0x2f/0x185 [ 65.857897][ T366] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.863446][ T366] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 65.869434][ T366] process_one_work+0x965/0x16a0 [ 65.874396][ T366] ? lock_release+0x800/0x800 2020/06/13 02:34:13 building call list... [ 65.879082][ T366] ? pwq_dec_nr_in_flight+0x310/0x310 [ 65.884471][ T366] ? rwlock_bug.part.0+0x90/0x90 [ 65.889432][ T366] worker_thread+0x96/0xe10 [ 65.893964][ T366] ? process_one_work+0x16a0/0x16a0 [ 65.899175][ T366] kthread+0x388/0x470 [ 65.903252][ T366] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 65.908976][ T366] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 65.914708][ T366] ret_from_fork+0x24/0x30 [ 66.239495][ T366] tipc: TX() has been purged, node left! [ 67.616236][ T6808] can: request_module (can-proto-0) failed. [ 68.243428][ T6808] can: request_module (can-proto-0) failed. [ 68.254883][ T6808] can: request_module (can-proto-0) failed.