[ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ 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... Starting Load/Save RF Kill Switch Status... [ 54.436726][ T6728] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6728 [ 54.446355][ T6728] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 54.452259][ T6728] CPU: 1 PID: 6728 Comm: systemd-rfkill Not tainted 5.7.0-next-20200605-syzkaller #0 [ 54.461709][ T6728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.471764][ T6728] Call Trace: [ 54.475063][ T6728] dump_stack+0x18f/0x20d [ 54.479398][ T6728] check_preemption_disabled+0x20d/0x220 [ 54.485037][ T6728] ext4_mb_new_blocks+0xa4d/0x3b70 [ 54.490187][ T6728] ? ext4_ext_search_right+0x2ca/0xb20 [ 54.495733][ T6728] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 54.501454][ T6728] ext4_ext_map_blocks+0x201b/0x33e0 [ 54.506760][ T6728] ? ext4_ext_release+0x10/0x10 [ 54.511651][ T6728] ? down_write_killable+0x170/0x170 [ 54.516958][ T6728] ? ext4_es_lookup_extent+0x41d/0xd10 [ 54.522436][ T6728] ext4_map_blocks+0x4cb/0x1640 [ 54.527311][ T6728] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 54.534337][ T6728] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 54.539927][ T6728] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 54.545985][ T6728] ? prandom_u32_state+0xe/0x170 [ 54.550921][ T6728] ? __brelse+0x84/0xa0 [ 54.555070][ T6728] ? __ext4_new_inode+0x144/0x55e0 [ 54.560180][ T6728] ext4_getblk+0xad/0x520 [ 54.564508][ T6728] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 54.570214][ T6728] ? ext4_free_inode+0x1700/0x1700 [ 54.575412][ T6728] ext4_bread+0x7c/0x380 [ 54.579652][ T6728] ? ext4_getblk+0x520/0x520 [ 54.584407][ T6728] ? dquot_get_next_dqblk+0x180/0x180 [ 54.589808][ T6728] ext4_append+0x153/0x360 [ 54.594221][ T6728] ext4_mkdir+0x5e0/0xdf0 [ 54.598546][ T6728] ? ext4_rmdir+0xde0/0xde0 [ 54.603040][ T6728] ? security_inode_permission+0xc4/0xf0 [ 54.608675][ T6728] vfs_mkdir+0x419/0x690 [ 54.612898][ T6728] do_mkdirat+0x21e/0x280 [ 54.617211][ T6728] ? __ia32_sys_mknod+0xb0/0xb0 [ 54.622044][ T6728] ? do_syscall_64+0x1c/0xe0 [ 54.626616][ T6728] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 54.632580][ T6728] do_syscall_64+0x60/0xe0 [ 54.637160][ T6728] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.643078][ T6728] RIP: 0033:0x7f35d6bdb687 [ 54.647478][ T6728] Code: Bad RIP value. [ 54.651547][ T6728] RSP: 002b:00007ffca69f5a08 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 54.660134][ T6728] RAX: ffffffffffffffda RBX: 0000557bfb547985 RCX: 00007f35d6bdb687 [ 54.668097][ T6728] RDX: 00007ffca69f58d0 RSI: 00000000000001ed RDI: 0000557bfb547985 [ 54.676069][ T6728] RBP: 00007f35d6bdb680 R08: 0000000000000100 R09: 0000000000000000 [ 54.684164][ T6728] R10: 0000557bfb547980 R11: 0000000000000246 R12: 00000000000001ed [ 54.692138][ T6728] R13: 00007ffca69f5b90 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 57.864058][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 57.873129][ T7] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.879184][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 57.888374][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.898442][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 57.904404][ T7] Call Trace: [ 57.907679][ T7] dump_stack+0x18f/0x20d [ 57.912002][ T7] check_preemption_disabled+0x20d/0x220 [ 57.917790][ T7] ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.922876][ T7] ? ext4_find_extent+0x81a/0xad0 [ 57.928153][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.933831][ T7] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.939570][ T7] ext4_ext_map_blocks+0x201b/0x33e0 [ 57.944869][ T7] ? ext4_ext_release+0x10/0x10 [ 57.949730][ T7] ? down_write_killable+0x170/0x170 [ 57.955002][ T7] ? ext4_es_lookup_extent+0x41d/0xd10 [ 57.960452][ T7] ext4_map_blocks+0x4cb/0x1640 [ 57.965289][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.970487][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.976012][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.981980][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.987428][ T7] ext4_writepages+0x1a7b/0x33c0 [ 57.992371][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.998004][ T7] ? __lock_acquire+0x2224/0x48b0 [ 58.003035][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 58.009012][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 58.014978][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 58.020609][ T7] ? do_writepages+0xfa/0x2a0 [ 58.025320][ T7] do_writepages+0xfa/0x2a0 [ 58.029808][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 58.035423][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.040947][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.046998][ T7] ? lock_downgrade+0x840/0x840 [ 58.051842][ T7] __writeback_single_inode+0x12a/0x13d0 [ 58.057558][ T7] ? _raw_spin_unlock+0x24/0x40 [ 58.062395][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 58.068353][ T7] writeback_sb_inodes+0x515/0xdc0 [ 58.073463][ T7] ? __writeback_single_inode+0x13d0/0x13d0 [ 58.079362][ T7] __writeback_inodes_wb+0xc3/0x250 [ 58.084541][ T7] wb_writeback+0x8db/0xd50 [ 58.089036][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 58.095370][ T7] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 58.101255][ T7] ? cpumask_next+0x3c/0x40 [ 58.105733][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 58.110909][ T7] wb_workfn+0xab3/0x1090 [ 58.115222][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 58.120744][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.126270][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.132238][ T7] process_one_work+0x965/0x1690 [ 58.137158][ T7] ? lock_release+0x800/0x800 [ 58.141810][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 58.147299][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 58.152245][ T7] worker_thread+0x96/0xe10 [ 58.156751][ T7] ? process_one_work+0x1690/0x1690 [ 58.161933][ T7] kthread+0x3b5/0x4a0 [ 58.165992][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.171702][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.177420][ T7] ret_from_fork+0x1f/0x30 Warning: Permanently added '10.128.10.55' (ECDSA) to the list of known hosts. 2020/06/05 18:20:44 fuzzer started [ 59.707058][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 59.716284][ T1155] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.722170][ T1155] CPU: 1 PID: 1155 Comm: khugepaged Not tainted 5.7.0-next-20200605-syzkaller #0 [ 59.732052][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.742107][ T1155] Call Trace: [ 59.745407][ T1155] dump_stack+0x18f/0x20d [ 59.749749][ T1155] check_preemption_disabled+0x20d/0x220 [ 59.755397][ T1155] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.760524][ T1155] ? ext4_find_extent+0x81a/0xad0 [ 59.765573][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.771040][ T1155] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.776792][ T1155] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.782058][ T1155] ? ext4_ext_release+0x10/0x10 [ 59.786897][ T1155] ? down_write_killable+0x170/0x170 [ 59.792202][ T1155] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.797675][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 59.802590][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.807791][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.813319][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.819279][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 59.824720][ T1155] ext4_writepages+0x1a7b/0x33c0 [ 59.829637][ T1155] ? lock_release+0x710/0x800 [ 59.834400][ T1155] ? __ext4_mark_inode_dirty+0x940/0x940 [ 59.840122][ T1155] ? __ext4_mark_inode_dirty+0x940/0x940 [ 59.845757][ T1155] ? do_writepages+0xfa/0x2a0 [ 59.850419][ T1155] do_writepages+0xfa/0x2a0 [ 59.854906][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 59.860574][ T1155] ? do_raw_spin_lock+0x120/0x2d0 [ 59.865593][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 59.870774][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 59.875614][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 59.881310][ T1155] ? collapse_file+0x35a2/0x4330 [ 59.886238][ T1155] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 59.892286][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 59.897479][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.903440][ T1155] collapse_file+0x35ac/0x4330 [ 59.908203][ T1155] ? collapse_huge_page+0x4350/0x4350 [ 59.913565][ T1155] ? khugepaged+0x2506/0x3fc0 [ 59.918222][ T1155] ? xas_find+0x31a/0x880 [ 59.922542][ T1155] ? check_preemption_disabled+0x38/0x220 [ 59.928263][ T1155] khugepaged+0x3041/0x3fc0 [ 59.932804][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.938447][ T1155] ? lock_downgrade+0x840/0x840 [ 59.943293][ T1155] ? finish_wait+0x260/0x260 [ 59.947877][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 59.953674][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.959650][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 59.964666][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.970287][ T1155] kthread+0x3b5/0x4a0 [ 59.974436][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.980146][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.985857][ T1155] ret_from_fork+0x1f/0x30 [ 60.087824][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 60.096975][ T1155] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.102882][ T1155] CPU: 0 PID: 1155 Comm: khugepaged Not tainted 5.7.0-next-20200605-syzkaller #0 [ 60.112006][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.122083][ T1155] Call Trace: [ 60.125402][ T1155] dump_stack+0x18f/0x20d [ 60.129780][ T1155] check_preemption_disabled+0x20d/0x220 [ 60.135454][ T1155] ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.140596][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.146104][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 60.152381][ T1155] ext4_ext_map_blocks+0x201b/0x33e0 [ 60.157720][ T1155] ? ext4_ext_release+0x10/0x10 [ 60.162604][ T1155] ? down_write_killable+0x170/0x170 [ 60.168020][ T1155] ? ext4_es_lookup_extent+0x41d/0xd10 [ 60.173526][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 60.178419][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.183759][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.190469][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.196628][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 60.202121][ T1155] ext4_writepages+0x1a7b/0x33c0 [ 60.207159][ T1155] ? lock_release+0x710/0x800 [ 60.211917][ T1155] ? __ext4_mark_inode_dirty+0x940/0x940 [ 60.217594][ T1155] ? __ext4_mark_inode_dirty+0x940/0x940 [ 60.223219][ T1155] ? do_writepages+0xfa/0x2a0 [ 60.228016][ T1155] do_writepages+0xfa/0x2a0 [ 60.232510][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 60.238140][ T1155] ? do_raw_spin_lock+0x120/0x2d0 [ 60.243180][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 60.248383][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 60.253402][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 60.259123][ T1155] ? collapse_file+0x35a2/0x4330 [ 60.264155][ T1155] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 60.270240][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 60.275465][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.281556][ T1155] collapse_file+0x35ac/0x4330 [ 60.286341][ T1155] ? collapse_huge_page+0x4350/0x4350 [ 60.291723][ T1155] ? khugepaged+0x2506/0x3fc0 [ 60.296420][ T1155] ? xas_find+0x31a/0x880 [ 60.300734][ T1155] ? check_preemption_disabled+0x38/0x220 [ 60.306531][ T1155] khugepaged+0x3041/0x3fc0 [ 60.311122][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.316740][ T1155] ? lock_downgrade+0x840/0x840 [ 60.321679][ T1155] ? finish_wait+0x260/0x260 [ 60.326266][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 60.332193][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.338275][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 60.343409][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.349165][ T1155] kthread+0x3b5/0x4a0 [ 60.353224][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.359201][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.365775][ T1155] ret_from_fork+0x1f/0x30 2020/06/05 18:20:44 connecting to host at 10.128.0.26:41081 2020/06/05 18:20:44 checking machine... 2020/06/05 18:20:45 checking revisions... [ 60.406189][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 60.415328][ T1155] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.421328][ T1155] CPU: 0 PID: 1155 Comm: khugepaged Not tainted 5.7.0-next-20200605-syzkaller #0 [ 60.430445][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.440501][ T1155] Call Trace: [ 60.443824][ T1155] dump_stack+0x18f/0x20d [ 60.448172][ T1155] check_preemption_disabled+0x20d/0x220 2020/06/05 18:20:45 testing simple program... [ 60.453818][ T1155] ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.458946][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.464415][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 60.470583][ T1155] ext4_ext_map_blocks+0x201b/0x33e0 [ 60.475908][ T1155] ? ext4_ext_release+0x10/0x10 [ 60.480873][ T1155] ? down_write_killable+0x170/0x170 [ 60.486255][ T1155] ? ext4_es_lookup_extent+0x41d/0xd10 [ 60.491941][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 60.496921][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.502246][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.507822][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.513822][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 60.519296][ T1155] ext4_writepages+0x1a7b/0x33c0 [ 60.524378][ T1155] ? lock_release+0x710/0x800 [ 60.529079][ T1155] ? __ext4_mark_inode_dirty+0x940/0x940 [ 60.534924][ T1155] ? __ext4_mark_inode_dirty+0x940/0x940 [ 60.540566][ T1155] ? do_writepages+0xfa/0x2a0 [ 60.545262][ T1155] do_writepages+0xfa/0x2a0 [ 60.549785][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 60.555432][ T1155] ? do_raw_spin_lock+0x120/0x2d0 [ 60.560465][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 60.565680][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 60.570565][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 60.576318][ T1155] ? collapse_file+0x35a2/0x4330 [ 60.581264][ T1155] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 60.590567][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 60.595803][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.601801][ T1155] collapse_file+0x35ac/0x4330 [ 60.606594][ T1155] ? collapse_huge_page+0x4350/0x4350 [ 60.611975][ T1155] ? khugepaged+0x2506/0x3fc0 [ 60.616669][ T1155] ? xas_find+0x31a/0x880 [ 60.621017][ T1155] ? check_preemption_disabled+0x38/0x220 [ 60.626785][ T1155] khugepaged+0x3041/0x3fc0 [ 60.631414][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.637065][ T1155] ? lock_downgrade+0x840/0x840 [ 60.641925][ T1155] ? finish_wait+0x260/0x260 [ 60.646525][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 60.652343][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.658341][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 60.663376][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.669050][ T1155] kthread+0x3b5/0x4a0 [ 60.673129][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.678882][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.684613][ T1155] ret_from_fork+0x1f/0x30 [ 60.765553][ T6794] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6794 [ 60.774967][ T6794] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.780865][ T6794] CPU: 1 PID: 6794 Comm: syz-fuzzer Not tainted 5.7.0-next-20200605-syzkaller #0 [ 60.789971][ T6794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.800016][ T6794] Call Trace: [ 60.803326][ T6794] dump_stack+0x18f/0x20d [ 60.807655][ T6794] check_preemption_disabled+0x20d/0x220 [ 60.813285][ T6794] ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.818402][ T6794] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.823856][ T6794] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.829554][ T6794] ext4_ext_map_blocks+0x201b/0x33e0 [ 60.834820][ T6794] ? ext4_ext_release+0x10/0x10 [ 60.839659][ T6794] ? down_write_killable+0x170/0x170 [ 60.844936][ T6794] ? ext4_es_lookup_extent+0x41d/0xd10 [ 60.850393][ T6794] ext4_map_blocks+0x4cb/0x1640 [ 60.855240][ T6794] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.860422][ T6794] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.865944][ T6794] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.871902][ T6794] ? prandom_u32_state+0xe/0x170 [ 60.876867][ T6794] ? __brelse+0x84/0xa0 [ 60.881010][ T6794] ? __ext4_new_inode+0x144/0x55e0 [ 60.886105][ T6794] ext4_getblk+0xad/0x520 [ 60.890418][ T6794] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.896123][ T6794] ? ext4_free_inode+0x1700/0x1700 [ 60.901226][ T6794] ext4_bread+0x7c/0x380 [ 60.905455][ T6794] ? ext4_getblk+0x520/0x520 [ 60.910022][ T6794] ? dquot_get_next_dqblk+0x180/0x180 [ 60.915374][ T6794] ext4_append+0x153/0x360 [ 60.919780][ T6794] ext4_mkdir+0x5e0/0xdf0 [ 60.924105][ T6794] ? ext4_rmdir+0xde0/0xde0 [ 60.928689][ T6794] ? security_inode_permission+0xc4/0xf0 [ 60.934301][ T6794] vfs_mkdir+0x419/0x690 [ 60.938537][ T6794] do_mkdirat+0x21e/0x280 [ 60.942869][ T6794] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.947722][ T6794] ? do_syscall_64+0x1c/0xe0 [ 60.952289][ T6794] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.958300][ T6794] do_syscall_64+0x60/0xe0 [ 60.962708][ T6794] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.968649][ T6794] RIP: 0033:0x4b02a0 [ 60.972589][ T6794] Code: Bad RIP value. [ 60.976636][ T6794] RSP: 002b:000000c0000d14b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 60.985174][ T6794] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 60.993131][ T6794] RDX: 00000000000001c0 RSI: 000000c0000e0ac0 RDI: ffffffffffffff9c [ 61.001149][ T6794] RBP: 000000c0000d1510 R08: 0000000000000000 R09: 0000000000000000 [ 61.009213][ T6794] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 61.017181][ T6794] R13: 0000000000000057 R14: 0000000000000056 R15: 0000000000000100 [ 61.038779][ T6810] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6810 [ 61.048231][ T6810] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.054187][ T6810] CPU: 1 PID: 6810 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 61.063639][ T6810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.073692][ T6810] Call Trace: [ 61.076965][ T6810] dump_stack+0x18f/0x20d [ 61.081495][ T6810] check_preemption_disabled+0x20d/0x220 [ 61.087124][ T6810] ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.092219][ T6810] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.097660][ T6810] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 61.103361][ T6810] ext4_ext_map_blocks+0x201b/0x33e0 [ 61.108641][ T6810] ? ext4_ext_release+0x10/0x10 [ 61.113494][ T6810] ? down_write_killable+0x170/0x170 [ 61.118948][ T6810] ? ext4_es_lookup_extent+0x41d/0xd10 [ 61.124387][ T6810] ext4_map_blocks+0x4cb/0x1640 [ 61.129323][ T6810] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.134524][ T6810] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.140069][ T6810] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.146028][ T6810] ? prandom_u32_state+0xe/0x170 [ 61.151092][ T6810] ? __brelse+0x84/0xa0 [ 61.155428][ T6810] ? __ext4_new_inode+0x144/0x55e0 [ 61.160527][ T6810] ext4_getblk+0xad/0x520 [ 61.164841][ T6810] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 61.170547][ T6810] ? ext4_free_inode+0x1700/0x1700 [ 61.175641][ T6810] ext4_bread+0x7c/0x380 [ 61.179879][ T6810] ? ext4_getblk+0x520/0x520 [ 61.184465][ T6810] ? dquot_get_next_dqblk+0x180/0x180 [ 61.189828][ T6810] ext4_append+0x153/0x360 [ 61.194376][ T6810] ext4_mkdir+0x5e0/0xdf0 [ 61.198737][ T6810] ? ext4_rmdir+0xde0/0xde0 [ 61.203233][ T6810] ? security_inode_permission+0xc4/0xf0 [ 61.208874][ T6810] vfs_mkdir+0x419/0x690 [ 61.213133][ T6810] do_mkdirat+0x21e/0x280 [ 61.217453][ T6810] ? __ia32_sys_mknod+0xb0/0xb0 [ 61.222294][ T6810] ? do_syscall_64+0x1c/0xe0 [ 61.227037][ T6810] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.233021][ T6810] do_syscall_64+0x60/0xe0 [ 61.237434][ T6810] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.243304][ T6810] RIP: 0033:0x45bee7 [ 61.247183][ T6810] Code: Bad RIP value. [ 61.251225][ T6810] RSP: 002b:00007fff773421c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 61.259630][ T6810] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 61.267593][ T6810] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007fff773423a0 [ 61.275559][ T6810] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000003340 [ 61.283532][ T6810] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 61.291489][ T6810] R13: 00007fff773423a0 R14: 8421084210842109 R15: 00007fff773423ac [ 61.372907][ T6811] IPVS: ftp: loaded support on port[0] = 21 [ 61.409291][ T6811] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6811 [ 61.418719][ T6811] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.424722][ T6811] CPU: 0 PID: 6811 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 61.434170][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.444234][ T6811] Call Trace: [ 61.447668][ T6811] dump_stack+0x18f/0x20d [ 61.451981][ T6811] check_preemption_disabled+0x20d/0x220 [ 61.457666][ T6811] ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.462919][ T6811] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.468395][ T6811] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 61.474228][ T6811] ext4_ext_map_blocks+0x201b/0x33e0 [ 61.479610][ T6811] ? ext4_ext_release+0x10/0x10 [ 61.484462][ T6811] ? down_write_killable+0x170/0x170 [ 61.489868][ T6811] ? ext4_es_lookup_extent+0x41d/0xd10 [ 61.495323][ T6811] ext4_map_blocks+0x4cb/0x1640 [ 61.500346][ T6811] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.505544][ T6811] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.511138][ T6811] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.517117][ T6811] ? prandom_u32_state+0xe/0x170 [ 61.522050][ T6811] ? __brelse+0x84/0xa0 [ 61.526186][ T6811] ? __ext4_new_inode+0x144/0x55e0 [ 61.531278][ T6811] ext4_getblk+0xad/0x520 [ 61.535587][ T6811] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 61.541302][ T6811] ? ext4_free_inode+0x1700/0x1700 [ 61.546411][ T6811] ext4_bread+0x7c/0x380 [ 61.550630][ T6811] ? ext4_getblk+0x520/0x520 [ 61.555220][ T6811] ? dquot_get_next_dqblk+0x180/0x180 [ 61.560588][ T6811] ext4_append+0x153/0x360 [ 61.564987][ T6811] ext4_mkdir+0x5e0/0xdf0 [ 61.569297][ T6811] ? ext4_rmdir+0xde0/0xde0 [ 61.573782][ T6811] ? security_inode_permission+0xc4/0xf0 [ 61.579415][ T6811] vfs_mkdir+0x419/0x690 [ 61.583644][ T6811] do_mkdirat+0x21e/0x280 [ 61.587973][ T6811] ? __ia32_sys_mknod+0xb0/0xb0 [ 61.592821][ T6811] ? do_syscall_64+0x1c/0xe0 [ 61.597402][ T6811] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.603381][ T6811] do_syscall_64+0x60/0xe0 [ 61.607775][ T6811] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.613643][ T6811] RIP: 0033:0x45bee7 [ 61.617528][ T6811] Code: Bad RIP value. [ 61.621576][ T6811] RSP: 002b:00007fff773420b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 61.629980][ T6811] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 61.637929][ T6811] RDX: 00007fff77342103 RSI: 00000000000001ff RDI: 00007fff77342100 [ 61.645894][ T6811] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 61.653841][ T6811] R10: 0000000000000064 R11: 0000000000000206 R12: 00000000004185d0 [ 61.661791][ T6811] R13: 00007fff773420f0 R14: 0000000000000000 R15: 00007fff77342100 [ 61.710979][ T6811] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6811 [ 61.720624][ T6811] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.726908][ T6811] CPU: 1 PID: 6811 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 61.736363][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.747377][ T6811] Call Trace: [ 61.750681][ T6811] dump_stack+0x18f/0x20d [ 61.755031][ T6811] check_preemption_disabled+0x20d/0x220 [ 61.760676][ T6811] ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.765805][ T6811] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.771361][ T6811] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 61.777092][ T6811] ext4_ext_map_blocks+0x201b/0x33e0 [ 61.782410][ T6811] ? ext4_ext_release+0x10/0x10 [ 61.787286][ T6811] ? down_write_killable+0x170/0x170 [ 61.792582][ T6811] ? ext4_es_lookup_extent+0x41d/0xd10 [ 61.798042][ T6811] ext4_map_blocks+0x4cb/0x1640 [ 61.802891][ T6811] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.808122][ T6811] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.813647][ T6811] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.819662][ T6811] ? prandom_u32_state+0xe/0x170 [ 61.824595][ T6811] ? __brelse+0x84/0xa0 [ 61.828747][ T6811] ? __ext4_new_inode+0x144/0x55e0 [ 61.834007][ T6811] ext4_getblk+0xad/0x520 [ 61.838324][ T6811] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 61.844034][ T6811] ? ext4_free_inode+0x1700/0x1700 [ 61.849125][ T6811] ext4_bread+0x7c/0x380 [ 61.853362][ T6811] ? ext4_getblk+0x520/0x520 [ 61.857943][ T6811] ? dquot_get_next_dqblk+0x180/0x180 [ 61.863295][ T6811] ext4_append+0x153/0x360 [ 61.867700][ T6811] ext4_mkdir+0x5e0/0xdf0 [ 61.872020][ T6811] ? ext4_rmdir+0xde0/0xde0 [ 61.876515][ T6811] ? security_inode_permission+0xc4/0xf0 [ 61.882129][ T6811] vfs_mkdir+0x419/0x690 [ 61.886367][ T6811] do_mkdirat+0x21e/0x280 [ 61.890684][ T6811] ? __ia32_sys_mknod+0xb0/0xb0 [ 61.895514][ T6811] ? do_syscall_64+0x1c/0xe0 [ 61.900082][ T6811] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.906061][ T6811] do_syscall_64+0x60/0xe0 [ 61.910457][ T6811] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.916324][ T6811] RIP: 0033:0x45bee7 [ 61.920188][ T6811] Code: Bad RIP value. [ 61.924229][ T6811] RSP: 002b:00007fff773420b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 61.932632][ T6811] RAX: ffffffffffffffda RBX: 000000000000f10c RCX: 000000000045bee7 [ 61.940581][ T6811] RDX: 00007fff77342103 RSI: 00000000000001ff RDI: 00007fff77342100 [ 61.948530][ T6811] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 2020/06/05 18:20:46 building call list... [ 61.956498][ T6811] R10: 0000000000000064 R11: 0000000000000206 R12: 0000000000000003 [ 61.964447][ T6811] R13: 00007fff773420f0 R14: 000000000000f0fc R15: 00007fff77342100 [ 62.202826][ T218] tipc: TX() has been purged, node left! executing program [ 63.626130][ T6794] can: request_module (can-proto-0) failed. [ 64.259919][ T6794] can: request_module (can-proto-0) failed. [ 64.271558][ T6794] can: request_module (can-proto-0) failed.