[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ 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. [ 52.820733][ T4910] systemd-udevd (4910) used greatest stack depth: 21824 bytes left [ 52.922300][ T6858] scp (6858) used greatest stack depth: 21408 bytes left Starting Load/Save RF Kill Switch Status... [ 54.343542][ T6873] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6873 [ 54.352963][ T6873] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 54.358837][ T6873] CPU: 1 PID: 6873 Comm: systemd-rfkill Not tainted 5.7.0-next-20200605-syzkaller #0 [ 54.368522][ T6873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.378557][ T6873] Call Trace: [ 54.381848][ T6873] dump_stack+0x18f/0x20d [ 54.386261][ T6873] check_preemption_disabled+0x20d/0x220 [ 54.391877][ T6873] ext4_mb_new_blocks+0xa4d/0x3b70 [ 54.397018][ T6873] ? ext4_ext_search_right+0x2ca/0xb20 [ 54.402502][ T6873] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 54.408204][ T6873] ext4_ext_map_blocks+0x201b/0x33e0 [ 54.413608][ T6873] ? ext4_ext_release+0x10/0x10 [ 54.418450][ T6873] ? down_write_killable+0x170/0x170 [ 54.423740][ T6873] ? ext4_es_lookup_extent+0x41d/0xd10 [ 54.429196][ T6873] ext4_map_blocks+0x4cb/0x1640 [ 54.434038][ T6873] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 54.439234][ T6873] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 54.444785][ T6873] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 54.450746][ T6873] ? prandom_u32_state+0xe/0x170 [ 54.455665][ T6873] ? __brelse+0x84/0xa0 [ 54.459801][ T6873] ? __ext4_new_inode+0x144/0x55e0 [ 54.464889][ T6873] ext4_getblk+0xad/0x520 [ 54.469206][ T6873] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 54.474924][ T6873] ? ext4_free_inode+0x1700/0x1700 [ 54.480031][ T6873] ext4_bread+0x7c/0x380 [ 54.484267][ T6873] ? ext4_getblk+0x520/0x520 [ 54.488831][ T6873] ? dquot_get_next_dqblk+0x180/0x180 [ 54.494180][ T6873] ext4_append+0x153/0x360 [ 54.498601][ T6873] ext4_mkdir+0x5e0/0xdf0 [ 54.502916][ T6873] ? ext4_rmdir+0xde0/0xde0 [ 54.507407][ T6873] ? security_inode_permission+0xc4/0xf0 [ 54.513040][ T6873] vfs_mkdir+0x419/0x690 [ 54.517276][ T6873] do_mkdirat+0x21e/0x280 [ 54.521597][ T6873] ? __ia32_sys_mknod+0xb0/0xb0 [ 54.526446][ T6873] ? do_syscall_64+0x1c/0xe0 [ 54.531043][ T6873] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 54.537013][ T6873] do_syscall_64+0x60/0xe0 [ 54.541425][ T6873] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.547305][ T6873] RIP: 0033:0x7fe8934c1687 [ 54.551742][ T6873] Code: Bad RIP value. [ 54.555837][ T6873] RSP: 002b:00007ffc432eff88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 54.564226][ T6873] RAX: ffffffffffffffda RBX: 0000556dfb0fc985 RCX: 00007fe8934c1687 [ 54.572175][ T6873] RDX: 00007ffc432efe50 RSI: 00000000000001ed RDI: 0000556dfb0fc985 [ 54.580125][ T6873] RBP: 00007fe8934c1680 R08: 0000000000000100 R09: 0000000000000000 [ 54.588094][ T6873] R10: 0000556dfb0fc980 R11: 0000000000000246 R12: 00000000000001ed [ 54.596049][ T6873] R13: 00007ffc432f0110 R14: 0000000000000000 R15: 0000000000000000 Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 57.279637][ T403] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:6/403 [ 57.288778][ T403] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.294798][ T403] CPU: 0 PID: 403 Comm: kworker/u4:6 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 57.303981][ T403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.314025][ T403] Workqueue: writeback wb_workfn (flush-8:0) [ 57.320685][ T403] Call Trace: [ 57.323973][ T403] dump_stack+0x18f/0x20d [ 57.328285][ T403] check_preemption_disabled+0x20d/0x220 [ 57.333896][ T403] ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.338993][ T403] ? ext4_find_extent+0x81a/0xad0 [ 57.344002][ T403] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.349438][ T403] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.355137][ T403] ext4_ext_map_blocks+0x201b/0x33e0 [ 57.360402][ T403] ? ext4_ext_release+0x10/0x10 [ 57.365263][ T403] ? down_write_killable+0x170/0x170 [ 57.370536][ T403] ? ext4_es_lookup_extent+0x41d/0xd10 [ 57.375975][ T403] ext4_map_blocks+0x4cb/0x1640 [ 57.380807][ T403] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.385984][ T403] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.391518][ T403] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.397472][ T403] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.403007][ T403] ext4_writepages+0x1a7b/0x33c0 [ 57.407943][ T403] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.413550][ T403] ? __lock_acquire+0x2224/0x48b0 [ 57.418644][ T403] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.424619][ T403] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.430587][ T403] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.436204][ T403] ? do_writepages+0xfa/0x2a0 [ 57.440874][ T403] do_writepages+0xfa/0x2a0 [ 57.445380][ T403] ? page_writeback_cpu_online+0x10/0x10 [ 57.450996][ T403] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.456520][ T403] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.462663][ T403] ? lock_downgrade+0x840/0x840 [ 57.467577][ T403] __writeback_single_inode+0x12a/0x13d0 [ 57.473245][ T403] ? _raw_spin_unlock+0x24/0x40 [ 57.478123][ T403] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 57.484084][ T403] writeback_sb_inodes+0x515/0xdc0 [ 57.489194][ T403] ? __writeback_single_inode+0x13d0/0x13d0 [ 57.495076][ T403] __writeback_inodes_wb+0xc3/0x250 [ 57.500267][ T403] wb_writeback+0x8db/0xd50 [ 57.504753][ T403] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 57.511145][ T403] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 57.517018][ T403] ? cpumask_next+0x3c/0x40 [ 57.521505][ T403] ? get_nr_dirty_inodes+0xd6/0x130 [ 57.526743][ T403] wb_workfn+0xab3/0x1090 [ 57.531076][ T403] ? inode_wait_for_writeback+0x30/0x30 [ 57.536636][ T403] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.542168][ T403] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.548149][ T403] process_one_work+0x965/0x1690 [ 57.553097][ T403] ? lock_release+0x800/0x800 [ 57.557768][ T403] ? pwq_dec_nr_in_flight+0x310/0x310 [ 57.563144][ T403] ? rwlock_bug.part.0+0x90/0x90 [ 57.568082][ T403] worker_thread+0x96/0xe10 [ 57.572762][ T403] ? process_one_work+0x1690/0x1690 [ 57.578395][ T403] kthread+0x3b5/0x4a0 [ 57.582446][ T403] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.588158][ T403] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.593876][ T403] ret_from_fork+0x1f/0x30 Warning: Permanently added '10.128.0.9' (ECDSA) to the list of known hosts. 2020/06/08 02:00:46 fuzzer started [ 59.130775][ T1156] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1156 [ 59.140044][ T1156] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.145956][ T1156] CPU: 0 PID: 1156 Comm: khugepaged Not tainted 5.7.0-next-20200605-syzkaller #0 [ 59.155127][ T1156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.165180][ T1156] Call Trace: [ 59.168494][ T1156] dump_stack+0x18f/0x20d [ 59.172912][ T1156] check_preemption_disabled+0x20d/0x220 [ 59.178627][ T1156] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.183825][ T1156] ? ext4_find_extent+0x81a/0xad0 [ 59.188840][ T1156] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.194281][ T1156] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.200025][ T1156] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.205304][ T1156] ? ext4_ext_release+0x10/0x10 [ 59.210165][ T1156] ? down_write_killable+0x170/0x170 [ 59.215445][ T1156] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.220918][ T1156] ext4_map_blocks+0x4cb/0x1640 [ 59.225763][ T1156] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.231003][ T1156] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.236551][ T1156] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.242531][ T1156] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 59.248030][ T1156] ext4_writepages+0x1a7b/0x33c0 [ 59.252969][ T1156] ? lock_release+0x710/0x800 [ 59.257681][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 59.263342][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 59.268989][ T1156] ? do_writepages+0xfa/0x2a0 [ 59.273822][ T1156] do_writepages+0xfa/0x2a0 [ 59.278437][ T1156] ? page_writeback_cpu_online+0x10/0x10 [ 59.284077][ T1156] ? do_raw_spin_lock+0x120/0x2d0 [ 59.289107][ T1156] ? do_raw_spin_unlock+0x171/0x260 [ 59.294311][ T1156] ? _raw_spin_unlock+0x24/0x40 [ 59.299173][ T1156] __filemap_fdatawrite_range+0x2aa/0x390 [ 59.304899][ T1156] ? collapse_file+0x35a2/0x4330 [ 59.309841][ T1156] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 59.317325][ T1156] ? _raw_spin_unlock_irq+0x1f/0x80 [ 59.322532][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.328515][ T1156] collapse_file+0x35ac/0x4330 [ 59.333284][ T1156] ? collapse_huge_page+0x4350/0x4350 [ 59.338642][ T1156] ? khugepaged+0x2506/0x3fc0 [ 59.343315][ T1156] ? xas_find+0x31a/0x880 [ 59.347649][ T1156] ? check_preemption_disabled+0x38/0x220 [ 59.353381][ T1156] khugepaged+0x3041/0x3fc0 [ 59.357914][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.363555][ T1156] ? lock_downgrade+0x840/0x840 [ 59.368385][ T1156] ? finish_wait+0x260/0x260 [ 59.372958][ T1156] ? _raw_spin_unlock_irqrestore+0x62/0xe0 2020/06/08 02:00:47 connecting to host at 10.128.0.26:46285 2020/06/08 02:00:47 checking machine... 2020/06/08 02:00:47 checking revisions... [ 59.378749][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.384728][ T1156] ? __kthread_parkme+0x13f/0x1e0 [ 59.389730][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.395357][ T1156] kthread+0x3b5/0x4a0 [ 59.399413][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.405238][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.411036][ T1156] ret_from_fork+0x1f/0x30 2020/06/08 02:00:47 testing simple program... [ 59.476775][ T1156] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1156 [ 59.486004][ T1156] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.492050][ T1156] CPU: 0 PID: 1156 Comm: khugepaged Not tainted 5.7.0-next-20200605-syzkaller #0 [ 59.501203][ T1156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.511290][ T1156] Call Trace: [ 59.514594][ T1156] dump_stack+0x18f/0x20d [ 59.519060][ T1156] check_preemption_disabled+0x20d/0x220 [ 59.524792][ T1156] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.530270][ T1156] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.535862][ T1156] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 59.542035][ T1156] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.547424][ T1156] ? ext4_ext_release+0x10/0x10 [ 59.552319][ T1156] ? down_write_killable+0x170/0x170 [ 59.557606][ T1156] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.563074][ T1156] ext4_map_blocks+0x4cb/0x1640 [ 59.567931][ T1156] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.573139][ T1156] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.578694][ T1156] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.584684][ T1156] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 59.590152][ T1156] ext4_writepages+0x1a7b/0x33c0 [ 59.595104][ T1156] ? lock_release+0x710/0x800 [ 59.599799][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 59.605482][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 59.611118][ T1156] ? do_writepages+0xfa/0x2a0 [ 59.615795][ T1156] do_writepages+0xfa/0x2a0 [ 59.620306][ T1156] ? page_writeback_cpu_online+0x10/0x10 [ 59.625967][ T1156] ? do_raw_spin_lock+0x120/0x2d0 [ 59.630990][ T1156] ? do_raw_spin_unlock+0x171/0x260 [ 59.636192][ T1156] ? _raw_spin_unlock+0x24/0x40 [ 59.641050][ T1156] __filemap_fdatawrite_range+0x2aa/0x390 [ 59.646773][ T1156] ? collapse_file+0x35a2/0x4330 [ 59.651728][ T1156] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 59.657832][ T1156] ? _raw_spin_unlock_irq+0x1f/0x80 [ 59.663034][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.669029][ T1156] collapse_file+0x35ac/0x4330 [ 59.673811][ T1156] ? collapse_huge_page+0x4350/0x4350 [ 59.679182][ T1156] ? khugepaged+0x2506/0x3fc0 [ 59.683865][ T1156] ? xas_find+0x31a/0x880 [ 59.688199][ T1156] ? check_preemption_disabled+0x38/0x220 [ 59.694359][ T1156] khugepaged+0x3041/0x3fc0 [ 59.698893][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.704876][ T1156] ? lock_downgrade+0x840/0x840 [ 59.709745][ T1156] ? finish_wait+0x260/0x260 [ 59.714334][ T1156] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 59.720313][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.726298][ T1156] ? __kthread_parkme+0x13f/0x1e0 [ 59.731322][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.736959][ T1156] kthread+0x3b5/0x4a0 [ 59.741025][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.746742][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.751481][ T6942] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6942 [ 59.752465][ T1156] ret_from_fork+0x1f/0x30 [ 59.761650][ T6942] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.771864][ T6942] CPU: 1 PID: 6942 Comm: syz-fuzzer Not tainted 5.7.0-next-20200605-syzkaller #0 [ 59.780969][ T6942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.791025][ T6942] Call Trace: [ 59.794317][ T6942] dump_stack+0x18f/0x20d [ 59.798654][ T6942] check_preemption_disabled+0x20d/0x220 [ 59.804312][ T6942] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.809557][ T6942] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.815056][ T6942] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.820974][ T6942] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.826276][ T6942] ? ext4_ext_release+0x10/0x10 [ 59.831123][ T6942] ? down_write_killable+0x170/0x170 [ 59.836387][ T6942] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.841827][ T6942] ext4_map_blocks+0x4cb/0x1640 [ 59.846660][ T6942] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.851835][ T6942] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.857375][ T6942] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.863345][ T6942] ? prandom_u32_state+0xe/0x170 [ 59.868261][ T6942] ? __brelse+0x84/0xa0 [ 59.872421][ T6942] ? __ext4_new_inode+0x144/0x55e0 [ 59.877921][ T6942] ext4_getblk+0xad/0x520 [ 59.882262][ T6942] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.891891][ T6942] ? ext4_free_inode+0x1700/0x1700 [ 59.896987][ T6942] ext4_bread+0x7c/0x380 [ 59.901213][ T6942] ? ext4_getblk+0x520/0x520 [ 59.905795][ T6942] ? dquot_get_next_dqblk+0x180/0x180 [ 59.911167][ T6942] ext4_append+0x153/0x360 [ 59.915564][ T6942] ext4_mkdir+0x5e0/0xdf0 [ 59.919979][ T6942] ? ext4_rmdir+0xde0/0xde0 [ 59.924632][ T6942] ? security_inode_permission+0xc4/0xf0 [ 59.930256][ T6942] vfs_mkdir+0x419/0x690 [ 59.934502][ T6942] do_mkdirat+0x21e/0x280 [ 59.938841][ T6942] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.943681][ T6942] ? do_syscall_64+0x1c/0xe0 [ 59.948251][ T6942] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.954214][ T6942] do_syscall_64+0x60/0xe0 [ 59.958617][ T6942] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.964488][ T6942] RIP: 0033:0x4b02a0 [ 59.968364][ T6942] Code: Bad RIP value. [ 59.972416][ T6942] RSP: 002b:000000c0000dd4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 59.980813][ T6942] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 59.988760][ T6942] RDX: 00000000000001c0 RSI: 000000c0000e4b60 RDI: ffffffffffffff9c [ 59.996721][ T6942] RBP: 000000c0000dd510 R08: 0000000000000000 R09: 0000000000000000 [ 60.004669][ T6942] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 60.012629][ T6942] R13: 000000000000005c R14: 000000000000005b R15: 0000000000000100 [ 60.035407][ T6955] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6955 [ 60.044980][ T6955] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.050974][ T6955] CPU: 1 PID: 6955 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 60.060540][ T6955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.060816][ T1156] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1156 [ 60.070586][ T6955] Call Trace: [ 60.070609][ T6955] dump_stack+0x18f/0x20d [ 60.070631][ T6955] check_preemption_disabled+0x20d/0x220 [ 60.070652][ T6955] ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.079675][ T1156] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.082925][ T6955] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.109495][ T6955] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.115203][ T6955] ext4_ext_map_blocks+0x201b/0x33e0 [ 60.120481][ T6955] ? ext4_ext_release+0x10/0x10 [ 60.125330][ T6955] ? down_write_killable+0x170/0x170 [ 60.130637][ T6955] ? ext4_es_lookup_extent+0x41d/0xd10 [ 60.136096][ T6955] ext4_map_blocks+0x4cb/0x1640 [ 60.140936][ T6955] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.146119][ T6955] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.151665][ T6955] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.157640][ T6955] ? prandom_u32_state+0xe/0x170 [ 60.162658][ T6955] ? __brelse+0x84/0xa0 [ 60.166811][ T6955] ? __ext4_new_inode+0x144/0x55e0 [ 60.171912][ T6955] ext4_getblk+0xad/0x520 [ 60.176226][ T6955] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.181944][ T6955] ? ext4_free_inode+0x1700/0x1700 [ 60.187138][ T6955] ext4_bread+0x7c/0x380 [ 60.191362][ T6955] ? ext4_getblk+0x520/0x520 [ 60.196033][ T6955] ? dquot_get_next_dqblk+0x180/0x180 [ 60.201408][ T6955] ext4_append+0x153/0x360 [ 60.205816][ T6955] ext4_mkdir+0x5e0/0xdf0 [ 60.210143][ T6955] ? ext4_rmdir+0xde0/0xde0 [ 60.214634][ T6955] ? security_inode_permission+0xc4/0xf0 [ 60.220254][ T6955] vfs_mkdir+0x419/0x690 [ 60.224484][ T6955] do_mkdirat+0x21e/0x280 [ 60.228804][ T6955] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.233815][ T6955] ? do_syscall_64+0x1c/0xe0 [ 60.238399][ T6955] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.244465][ T6955] do_syscall_64+0x60/0xe0 [ 60.248867][ T6955] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.254743][ T6955] RIP: 0033:0x45bee7 [ 60.258633][ T6955] Code: Bad RIP value. [ 60.262681][ T6955] RSP: 002b:00007ffde49725f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 60.271075][ T6955] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 60.279032][ T6955] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007ffde49727d0 [ 60.287024][ T6955] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000003540 [ 60.294979][ T6955] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 60.302946][ T6955] R13: 00007ffde49727d0 R14: 8421084210842109 R15: 00007ffde49727dc [ 60.311027][ T1156] CPU: 0 PID: 1156 Comm: khugepaged Not tainted 5.7.0-next-20200605-syzkaller #0 [ 60.320135][ T1156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.330194][ T1156] Call Trace: [ 60.333490][ T1156] dump_stack+0x18f/0x20d [ 60.337839][ T1156] check_preemption_disabled+0x20d/0x220 [ 60.343477][ T1156] ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.348603][ T1156] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.354070][ T1156] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 60.360230][ T1156] ext4_ext_map_blocks+0x201b/0x33e0 [ 60.365544][ T1156] ? ext4_ext_release+0x10/0x10 [ 60.370594][ T1156] ? down_write_killable+0x170/0x170 [ 60.375887][ T1156] ? ext4_es_lookup_extent+0x41d/0xd10 [ 60.381381][ T1156] ext4_map_blocks+0x4cb/0x1640 [ 60.386245][ T1156] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.391454][ T1156] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.397094][ T1156] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.403076][ T1156] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 60.408546][ T1156] ext4_writepages+0x1a7b/0x33c0 [ 60.413490][ T1156] ? lock_release+0x710/0x800 [ 60.418185][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 60.423850][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 60.429503][ T1156] ? do_writepages+0xfa/0x2a0 [ 60.434205][ T1156] do_writepages+0xfa/0x2a0 [ 60.438719][ T1156] ? page_writeback_cpu_online+0x10/0x10 [ 60.443060][ T6957] IPVS: ftp: loaded support on port[0] = 21 [ 60.444366][ T1156] ? do_raw_spin_lock+0x120/0x2d0 [ 60.455262][ T1156] ? do_raw_spin_unlock+0x171/0x260 [ 60.460466][ T1156] ? _raw_spin_unlock+0x24/0x40 [ 60.465325][ T1156] __filemap_fdatawrite_range+0x2aa/0x390 [ 60.471046][ T1156] ? collapse_file+0x35a2/0x4330 [ 60.476076][ T1156] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 60.482162][ T1156] ? _raw_spin_unlock_irq+0x1f/0x80 [ 60.487369][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.493366][ T1156] collapse_file+0x35ac/0x4330 [ 60.498156][ T1156] ? collapse_huge_page+0x4350/0x4350 [ 60.499136][ T6957] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6957 [ 60.503528][ T1156] ? khugepaged+0x2506/0x3fc0 [ 60.503557][ T1156] ? xas_find+0x31a/0x880 [ 60.503576][ T1156] ? check_preemption_disabled+0x38/0x220 [ 60.503594][ T1156] khugepaged+0x3041/0x3fc0 [ 60.503632][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.503655][ T1156] ? lock_downgrade+0x840/0x840 [ 60.513081][ T6957] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.517662][ T1156] ? finish_wait+0x260/0x260 [ 60.553033][ T1156] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 60.558831][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.564814][ T1156] ? __kthread_parkme+0x13f/0x1e0 [ 60.569836][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.575482][ T1156] kthread+0x3b5/0x4a0 [ 60.579548][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.585256][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.590966][ T1156] ret_from_fork+0x1f/0x30 [ 60.595383][ T6957] CPU: 1 PID: 6957 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 60.604842][ T6957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.614900][ T6957] Call Trace: [ 60.618198][ T6957] dump_stack+0x18f/0x20d [ 60.622544][ T6957] check_preemption_disabled+0x20d/0x220 [ 60.628189][ T6957] ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.633321][ T6957] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.638788][ T6957] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.644520][ T6957] ext4_ext_map_blocks+0x201b/0x33e0 [ 60.649813][ T6957] ? ext4_ext_release+0x10/0x10 [ 60.654684][ T6957] ? down_write_killable+0x170/0x170 [ 60.659968][ T6957] ? ext4_es_lookup_extent+0x41d/0xd10 [ 60.665521][ T6957] ext4_map_blocks+0x4cb/0x1640 [ 60.670380][ T6957] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.675740][ T6957] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.681329][ T6957] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.687301][ T6957] ? prandom_u32_state+0xe/0x170 [ 60.692426][ T6957] ? __brelse+0x84/0xa0 [ 60.696590][ T6957] ? __ext4_new_inode+0x144/0x55e0 [ 60.701685][ T6957] ext4_getblk+0xad/0x520 [ 60.705996][ T6957] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.711700][ T6957] ? ext4_free_inode+0x1700/0x1700 [ 60.716806][ T6957] ext4_bread+0x7c/0x380 [ 60.722808][ T6957] ? ext4_getblk+0x520/0x520 [ 60.727452][ T6957] ? dquot_get_next_dqblk+0x180/0x180 [ 60.732873][ T6957] ext4_append+0x153/0x360 [ 60.737280][ T6957] ext4_mkdir+0x5e0/0xdf0 [ 60.741608][ T6957] ? ext4_rmdir+0xde0/0xde0 [ 60.746114][ T6957] ? security_inode_permission+0xc4/0xf0 [ 60.751903][ T6957] vfs_mkdir+0x419/0x690 [ 60.756137][ T6957] do_mkdirat+0x21e/0x280 [ 60.760470][ T6957] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.765305][ T6957] ? do_syscall_64+0x1c/0xe0 [ 60.769900][ T6957] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.775860][ T6957] do_syscall_64+0x60/0xe0 [ 60.780287][ T6957] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.786251][ T6957] RIP: 0033:0x45bee7 [ 60.790116][ T6957] Code: Bad RIP value. [ 60.794171][ T6957] RSP: 002b:00007ffde49724e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 60.802580][ T6957] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 60.810530][ T6957] RDX: 00007ffde4972533 RSI: 00000000000001ff RDI: 00007ffde4972530 [ 60.818478][ T6957] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 60.826443][ T6957] R10: 0000000000000064 R11: 0000000000000206 R12: 00000000004185d0 [ 60.834392][ T6957] R13: 00007ffde4972520 R14: 0000000000000000 R15: 00007ffde4972530 [ 60.919100][ T6957] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6957 [ 60.928610][ T6957] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.934520][ T6957] CPU: 1 PID: 6957 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 60.943975][ T6957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.954047][ T6957] Call Trace: [ 60.957360][ T6957] dump_stack+0x18f/0x20d [ 60.961708][ T6957] check_preemption_disabled+0x20d/0x220 [ 60.967359][ T6957] ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.972509][ T6957] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.977978][ T6957] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.983759][ T6957] ext4_ext_map_blocks+0x201b/0x33e0 [ 60.989103][ T6957] ? ext4_ext_release+0x10/0x10 [ 60.993971][ T6957] ? down_write_killable+0x170/0x170 [ 60.999242][ T6957] ? ext4_es_lookup_extent+0x41d/0xd10 [ 61.004701][ T6957] ext4_map_blocks+0x4cb/0x1640 [ 61.009549][ T6957] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.014734][ T6957] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.020258][ T6957] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.026228][ T6957] ? prandom_u32_state+0xe/0x170 [ 61.031153][ T6957] ? __brelse+0x84/0xa0 [ 61.035306][ T6957] ? __ext4_new_inode+0x144/0x55e0 [ 61.040415][ T6957] ext4_getblk+0xad/0x520 [ 61.044725][ T6957] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 61.050446][ T6957] ? ext4_free_inode+0x1700/0x1700 [ 61.055539][ T6957] ext4_bread+0x7c/0x380 [ 61.059758][ T6957] ? ext4_getblk+0x520/0x520 [ 61.064344][ T6957] ? dquot_get_next_dqblk+0x180/0x180 [ 61.069698][ T6957] ext4_append+0x153/0x360 [ 61.074105][ T6957] ext4_mkdir+0x5e0/0xdf0 [ 61.078439][ T6957] ? ext4_rmdir+0xde0/0xde0 [ 61.082925][ T6957] ? security_inode_permission+0xc4/0xf0 [ 61.088543][ T6957] vfs_mkdir+0x419/0x690 [ 61.092768][ T6957] do_mkdirat+0x21e/0x280 [ 61.097079][ T6957] ? __ia32_sys_mknod+0xb0/0xb0 [ 61.101913][ T6957] ? do_syscall_64+0x1c/0xe0 [ 61.106484][ T6957] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.112549][ T6957] do_syscall_64+0x60/0xe0 [ 61.116953][ T6957] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.122844][ T6957] RIP: 0033:0x45bee7 [ 61.126727][ T6957] Code: Bad RIP value. [ 61.130770][ T6957] RSP: 002b:00007ffde49724e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 61.139181][ T6957] RAX: ffffffffffffffda RBX: 000000000000ede7 RCX: 000000000045bee7 [ 61.147130][ T6957] RDX: 00007ffde4972533 RSI: 00000000000001ff RDI: 00007ffde4972530 [ 61.155308][ T6957] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 2020/06/08 02:00:48 building call list... [ 61.163260][ T6957] R10: 0000000000000064 R11: 0000000000000206 R12: 0000000000000003 [ 61.171212][ T6957] R13: 00007ffde4972520 R14: 000000000000ede2 R15: 00007ffde4972530 [ 61.436503][ T403] tipc: TX() has been purged, node left! executing program [ 63.004240][ T6942] can: request_module (can-proto-0) failed. [ 63.499692][ T6942] can: request_module (can-proto-0) failed. [ 63.512345][ T6942] can: request_module (can-proto-0) failed.