[ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ 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. [ 55.055068][ T6716] scp (6716) used greatest stack depth: 21640 bytes left [ 55.475616][ T4762] systemd-udevd (4762) used greatest stack depth: 21136 bytes left Starting Load/Save RF Kill Switch Status... [ 56.819735][ T6733] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6733 [ 56.829359][ T6733] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 56.835315][ T6733] CPU: 0 PID: 6733 Comm: systemd-rfkill Not tainted 5.7.0-next-20200608-syzkaller #0 [ 56.844775][ T6733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.854811][ T6733] Call Trace: [ 56.858086][ T6733] dump_stack+0x18f/0x20d [ 56.862410][ T6733] check_preemption_disabled+0x20d/0x220 [ 56.868049][ T6733] ext4_mb_new_blocks+0xa4d/0x3b70 [ 56.873159][ T6733] ? ext4_ext_search_right+0x2ca/0xb20 [ 56.878612][ T6733] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 56.884328][ T6733] ext4_ext_map_blocks+0x201b/0x33e0 [ 56.889607][ T6733] ? ext4_ext_release+0x10/0x10 [ 56.894447][ T6733] ? down_write_killable+0x170/0x170 [ 56.899723][ T6733] ? ext4_es_lookup_extent+0x41d/0xd10 [ 56.905164][ T6733] ext4_map_blocks+0x4cb/0x1640 [ 56.909998][ T6733] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 56.915176][ T6733] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.920813][ T6733] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.926768][ T6733] ? prandom_u32_state+0xe/0x170 [ 56.931686][ T6733] ? __brelse+0x84/0xa0 [ 56.935817][ T6733] ? __ext4_new_inode+0x144/0x55e0 [ 56.940919][ T6733] ext4_getblk+0xad/0x520 [ 56.945235][ T6733] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 56.950994][ T6733] ? ext4_free_inode+0x1700/0x1700 [ 56.956126][ T6733] ext4_bread+0x7c/0x380 [ 56.960697][ T6733] ? ext4_getblk+0x520/0x520 [ 56.965276][ T6733] ? dquot_get_next_dqblk+0x180/0x180 [ 56.970644][ T6733] ext4_append+0x153/0x360 [ 56.975053][ T6733] ext4_mkdir+0x5e0/0xdf0 [ 56.979462][ T6733] ? ext4_rmdir+0xde0/0xde0 [ 56.984033][ T6733] ? security_inode_permission+0xc4/0xf0 [ 56.989645][ T6733] vfs_mkdir+0x419/0x690 [ 56.993882][ T6733] do_mkdirat+0x21e/0x280 [ 56.998198][ T6733] ? __ia32_sys_mknod+0xb0/0xb0 [ 57.003053][ T6733] ? do_syscall_64+0x1c/0xe0 [ 57.007636][ T6733] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.013616][ T6733] do_syscall_64+0x60/0xe0 [ 57.018041][ T6733] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.023937][ T6733] RIP: 0033:0x7ff0083fa687 [ 57.028350][ T6733] Code: Bad RIP value. [ 57.032400][ T6733] RSP: 002b:00007fff42c72e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 57.040919][ T6733] RAX: ffffffffffffffda RBX: 000055e0bf116985 RCX: 00007ff0083fa687 [ 57.048872][ T6733] RDX: 00007fff42c72ce0 RSI: 00000000000001ed RDI: 000055e0bf116985 [ 57.056824][ T6733] RBP: 00007ff0083fa680 R08: 0000000000000100 R09: 0000000000000000 [ 57.064940][ T6733] R10: 000055e0bf116980 R11: 0000000000000246 R12: 00000000000001ed [ 57.072901][ T6733] R13: 00007fff42c72fa0 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 59.200000][ T4672] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:7/4672 [ 59.209228][ T4672] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.215205][ T4672] CPU: 0 PID: 4672 Comm: kworker/u4:7 Not tainted 5.7.0-next-20200608-syzkaller #0 [ 59.224501][ T4672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.234549][ T4672] Workqueue: writeback wb_workfn (flush-8:0) [ 59.240506][ T4672] Call Trace: [ 59.243791][ T4672] dump_stack+0x18f/0x20d [ 59.248106][ T4672] check_preemption_disabled+0x20d/0x220 [ 59.253718][ T4672] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.258942][ T4672] ? ext4_find_extent+0x81a/0xad0 [ 59.263980][ T4672] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.269433][ T4672] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.275141][ T4672] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.280427][ T4672] ? ext4_ext_release+0x10/0x10 [ 59.285284][ T4672] ? down_write_killable+0x170/0x170 [ 59.290549][ T4672] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.295998][ T4672] ext4_map_blocks+0x4cb/0x1640 [ 59.300834][ T4672] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.306033][ T4672] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.311559][ T4672] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.317520][ T4672] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 59.322962][ T4672] ext4_writepages+0x1a83/0x33c0 [ 59.327905][ T4672] ? __ext4_mark_inode_dirty+0x940/0x940 [ 59.335009][ T4672] ? __lock_acquire+0x2224/0x48b0 [ 59.340051][ T4672] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 59.346029][ T4672] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 59.352425][ T4672] ? __ext4_mark_inode_dirty+0x940/0x940 [ 59.358041][ T4672] ? do_writepages+0xf3/0x2a0 [ 59.362703][ T4672] do_writepages+0xf3/0x2a0 [ 59.368157][ T4672] ? page_writeback_cpu_online+0x10/0x10 [ 59.373788][ T4672] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.379326][ T4672] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.385733][ T4672] ? lock_downgrade+0x840/0x840 [ 59.390574][ T4672] __writeback_single_inode+0x12a/0x13d0 [ 59.396188][ T4672] ? _raw_spin_unlock+0x24/0x40 [ 59.401033][ T4672] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 59.406997][ T4672] writeback_sb_inodes+0x515/0xdc0 [ 59.412098][ T4672] ? __writeback_single_inode+0x13d0/0x13d0 [ 59.420655][ T4672] __writeback_inodes_wb+0xc3/0x250 [ 59.425962][ T4672] wb_writeback+0x8c8/0xd40 [ 59.430480][ T4672] ? writeback_inodes_wb.constprop.0+0x190/0x190 [ 59.436798][ T4672] ? cpumask_next+0x3c/0x40 [ 59.445291][ T4672] ? get_nr_dirty_inodes+0xd6/0x130 [ 59.450482][ T4672] wb_workfn+0xab3/0x1090 [ 59.454801][ T4672] ? inode_wait_for_writeback+0x30/0x30 [ 59.460335][ T4672] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.465866][ T4672] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.471836][ T4672] process_one_work+0x965/0x1690 [ 59.476777][ T4672] ? lock_release+0x800/0x800 [ 59.481431][ T4672] ? pwq_dec_nr_in_flight+0x310/0x310 [ 59.487508][ T4672] ? rwlock_bug.part.0+0x90/0x90 [ 59.492465][ T4672] worker_thread+0x96/0xe10 [ 59.496984][ T4672] ? process_one_work+0x1690/0x1690 [ 59.502270][ T4672] kthread+0x3b5/0x4a0 [ 59.506591][ T4672] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.512299][ T4672] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.517996][ T4672] ret_from_fork+0x1f/0x30 Warning: Permanently added '10.128.0.251' (ECDSA) to the list of known hosts. 2020/06/08 13:49:17 fuzzer started 2020/06/08 13:49:17 connecting to host at 10.128.0.26:39659 2020/06/08 13:49:17 checking machine... 2020/06/08 13:49:17 checking revisions... 2020/06/08 13:49:17 testing simple program... [ 61.924717][ T6803] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6803 [ 61.933880][ T6803] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.940299][ T6803] CPU: 0 PID: 6803 Comm: syz-fuzzer Not tainted 5.7.0-next-20200608-syzkaller #0 [ 61.949403][ T6803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.959457][ T6803] Call Trace: [ 61.962747][ T6803] dump_stack+0x18f/0x20d [ 61.967098][ T6803] check_preemption_disabled+0x20d/0x220 [ 61.972729][ T6803] ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.977833][ T6803] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.983560][ T6803] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 61.989285][ T6803] ext4_ext_map_blocks+0x201b/0x33e0 [ 61.994641][ T6803] ? ext4_ext_release+0x10/0x10 [ 61.999501][ T6803] ? down_write_killable+0x170/0x170 [ 62.004798][ T6803] ? ext4_es_lookup_extent+0x41d/0xd10 [ 62.010240][ T6803] ext4_map_blocks+0x4cb/0x1640 [ 62.015077][ T6803] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.020255][ T6803] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.025806][ T6803] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.031763][ T6803] ? prandom_u32_state+0xe/0x170 [ 62.036680][ T6803] ? __brelse+0x84/0xa0 [ 62.040832][ T6803] ? __ext4_new_inode+0x144/0x55e0 [ 62.045934][ T6803] ext4_getblk+0xad/0x520 [ 62.050242][ T6803] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 62.055940][ T6803] ? ext4_free_inode+0x1700/0x1700 [ 62.061048][ T6803] ext4_bread+0x7c/0x380 [ 62.065282][ T6803] ? ext4_getblk+0x520/0x520 [ 62.069888][ T6803] ? dquot_get_next_dqblk+0x180/0x180 [ 62.075254][ T6803] ext4_append+0x153/0x360 [ 62.079681][ T6803] ext4_mkdir+0x5e0/0xdf0 [ 62.083998][ T6803] ? ext4_rmdir+0xde0/0xde0 [ 62.088538][ T6803] ? security_inode_permission+0xc4/0xf0 [ 62.094154][ T6803] vfs_mkdir+0x419/0x690 [ 62.098417][ T6803] do_mkdirat+0x21e/0x280 [ 62.102804][ T6803] ? __ia32_sys_mknod+0xb0/0xb0 [ 62.107633][ T6803] ? do_syscall_64+0x1c/0xe0 [ 62.112246][ T6803] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.118821][ T6803] do_syscall_64+0x60/0xe0 [ 62.123269][ T6803] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.129135][ T6803] RIP: 0033:0x4b02a0 [ 62.133009][ T6803] Code: Bad RIP value. [ 62.137052][ T6803] RSP: 002b:000000c0000d14b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 62.145486][ T6803] RAX: ffffffffffffffda RBX: 000000c00002c000 RCX: 00000000004b02a0 [ 62.153439][ T6803] RDX: 00000000000001c0 RSI: 000000c000026b40 RDI: ffffffffffffff9c [ 62.161387][ T6803] RBP: 000000c0000d1510 R08: 0000000000000000 R09: 0000000000000000 [ 62.169358][ T6803] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 62.177320][ T6803] R13: 000000000000005b R14: 000000000000005a R15: 0000000000000100 [ 62.197238][ T6813] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6813 [ 62.206724][ T6813] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.212977][ T6813] CPU: 0 PID: 6813 Comm: syz-executor.0 Not tainted 5.7.0-next-20200608-syzkaller #0 [ 62.223393][ T6813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.233451][ T6813] Call Trace: [ 62.236750][ T6813] dump_stack+0x18f/0x20d [ 62.241088][ T6813] check_preemption_disabled+0x20d/0x220 [ 62.246750][ T6813] ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.251892][ T6813] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.257375][ T6813] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 62.263110][ T6813] ext4_ext_map_blocks+0x201b/0x33e0 [ 62.268587][ T6813] ? ext4_ext_release+0x10/0x10 [ 62.273486][ T6813] ? down_write_killable+0x170/0x170 [ 62.278777][ T6813] ? ext4_es_lookup_extent+0x41d/0xd10 [ 62.284336][ T6813] ext4_map_blocks+0x4cb/0x1640 [ 62.289172][ T6813] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.294424][ T6813] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.299951][ T6813] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.305909][ T6813] ? prandom_u32_state+0xe/0x170 [ 62.310873][ T6813] ? __brelse+0x84/0xa0 [ 62.315016][ T6813] ? __ext4_new_inode+0x144/0x55e0 [ 62.320117][ T6813] ext4_getblk+0xad/0x520 [ 62.324435][ T6813] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 62.330231][ T6813] ? ext4_free_inode+0x1700/0x1700 [ 62.335364][ T6813] ext4_bread+0x7c/0x380 [ 62.339592][ T6813] ? ext4_getblk+0x520/0x520 [ 62.344176][ T6813] ? dquot_get_next_dqblk+0x180/0x180 [ 62.349534][ T6813] ext4_append+0x153/0x360 [ 62.353934][ T6813] ext4_mkdir+0x5e0/0xdf0 [ 62.358245][ T6813] ? ext4_rmdir+0xde0/0xde0 [ 62.362738][ T6813] ? security_inode_permission+0xc4/0xf0 [ 62.368382][ T6813] vfs_mkdir+0x419/0x690 [ 62.372616][ T6813] do_mkdirat+0x21e/0x280 [ 62.376931][ T6813] ? __ia32_sys_mknod+0xb0/0xb0 [ 62.381859][ T6813] ? do_syscall_64+0x1c/0xe0 [ 62.386426][ T6813] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.392385][ T6813] do_syscall_64+0x60/0xe0 [ 62.396781][ T6813] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.402747][ T6813] RIP: 0033:0x45bee7 [ 62.406622][ T6813] Code: Bad RIP value. [ 62.410730][ T6813] RSP: 002b:00007fff2de03018 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 62.419120][ T6813] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 62.427070][ T6813] RDX: 0000000000000002 RSI: 00000000000001c0 RDI: 00007fff2de031f0 [ 62.435230][ T6813] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000002bc0 [ 62.443273][ T6813] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 62.451238][ T6813] R13: 00007fff2de031f0 R14: 8421084210842109 R15: 00007fff2de031fc [ 62.533564][ T6814] IPVS: ftp: loaded support on port[0] = 21 [ 62.570086][ T6814] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6814 [ 62.579609][ T6814] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.586285][ T6814] CPU: 1 PID: 6814 Comm: syz-executor.0 Not tainted 5.7.0-next-20200608-syzkaller #0 [ 62.595728][ T6814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.605945][ T6814] Call Trace: [ 62.609233][ T6814] dump_stack+0x18f/0x20d [ 62.613561][ T6814] check_preemption_disabled+0x20d/0x220 [ 62.619185][ T6814] ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.624290][ T6814] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.629799][ T6814] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 62.635500][ T6814] ext4_ext_map_blocks+0x201b/0x33e0 [ 62.640828][ T6814] ? ext4_ext_release+0x10/0x10 [ 62.645669][ T6814] ? down_write_killable+0x170/0x170 [ 62.650931][ T6814] ? ext4_es_lookup_extent+0x41d/0xd10 [ 62.656371][ T6814] ext4_map_blocks+0x4cb/0x1640 [ 62.661226][ T6814] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.666415][ T6814] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.671941][ T6814] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.677900][ T6814] ? prandom_u32_state+0xe/0x170 [ 62.682837][ T6814] ? __brelse+0x84/0xa0 [ 62.686981][ T6814] ? __ext4_new_inode+0x144/0x55e0 [ 62.692075][ T6814] ext4_getblk+0xad/0x520 [ 62.696394][ T6814] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 62.702131][ T6814] ? ext4_free_inode+0x1700/0x1700 [ 62.707262][ T6814] ext4_bread+0x7c/0x380 [ 62.711512][ T6814] ? ext4_getblk+0x520/0x520 [ 62.716097][ T6814] ? dquot_get_next_dqblk+0x180/0x180 [ 62.721461][ T6814] ext4_append+0x153/0x360 [ 62.725857][ T6814] ext4_mkdir+0x5e0/0xdf0 [ 62.730189][ T6814] ? ext4_rmdir+0xde0/0xde0 [ 62.734672][ T6814] ? security_inode_permission+0xc4/0xf0 [ 62.740300][ T6814] vfs_mkdir+0x419/0x690 [ 62.744532][ T6814] do_mkdirat+0x21e/0x280 [ 62.748850][ T6814] ? __ia32_sys_mknod+0xb0/0xb0 [ 62.753686][ T6814] ? do_syscall_64+0x1c/0xe0 [ 62.758251][ T6814] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.764234][ T6814] do_syscall_64+0x60/0xe0 [ 62.768725][ T6814] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.774615][ T6814] RIP: 0033:0x45bee7 [ 62.778497][ T6814] Code: Bad RIP value. [ 62.782552][ T6814] RSP: 002b:00007fff2de02f08 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 62.790962][ T6814] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 62.798922][ T6814] RDX: 00007fff2de02f53 RSI: 00000000000001ff RDI: 00007fff2de02f50 [ 62.806955][ T6814] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 62.814915][ T6814] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185d0 [ 62.822884][ T6814] R13: 00007fff2de02f40 R14: 0000000000000000 R15: 00007fff2de02f50 [ 62.872494][ T6814] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6814 [ 62.881996][ T6814] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.887894][ T6814] CPU: 1 PID: 6814 Comm: syz-executor.0 Not tainted 5.7.0-next-20200608-syzkaller #0 [ 62.897465][ T6814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.907517][ T6814] Call Trace: [ 62.910822][ T6814] dump_stack+0x18f/0x20d [ 62.915773][ T6814] check_preemption_disabled+0x20d/0x220 [ 62.921411][ T6814] ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.926540][ T6814] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.932006][ T6814] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 62.937737][ T6814] ext4_ext_map_blocks+0x201b/0x33e0 [ 62.943050][ T6814] ? ext4_ext_release+0x10/0x10 [ 62.947933][ T6814] ? down_write_killable+0x170/0x170 [ 62.953218][ T6814] ? ext4_es_lookup_extent+0x41d/0xd10 [ 62.958664][ T6814] ext4_map_blocks+0x4cb/0x1640 [ 62.963516][ T6814] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.968706][ T6814] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.974237][ T6814] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.980218][ T6814] ? prandom_u32_state+0xe/0x170 [ 62.985155][ T6814] ? __brelse+0x84/0xa0 [ 62.989314][ T6814] ? __ext4_new_inode+0x144/0x55e0 [ 62.994427][ T6814] ext4_getblk+0xad/0x520 [ 62.998746][ T6814] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 63.004471][ T6814] ? ext4_free_inode+0x1700/0x1700 [ 63.009577][ T6814] ext4_bread+0x7c/0x380 [ 63.013807][ T6814] ? ext4_getblk+0x520/0x520 [ 63.018372][ T6814] ? dquot_get_next_dqblk+0x180/0x180 [ 63.023831][ T6814] ext4_append+0x153/0x360 [ 63.028765][ T6814] ext4_mkdir+0x5e0/0xdf0 [ 63.033165][ T6814] ? ext4_rmdir+0xde0/0xde0 [ 63.037790][ T6814] ? security_inode_permission+0xc4/0xf0 [ 63.043435][ T6814] vfs_mkdir+0x419/0x690 [ 63.047681][ T6814] do_mkdirat+0x21e/0x280 [ 63.051998][ T6814] ? __ia32_sys_mknod+0xb0/0xb0 [ 63.056841][ T6814] ? do_syscall_64+0x1c/0xe0 [ 63.061425][ T6814] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.067398][ T6814] do_syscall_64+0x60/0xe0 [ 63.071795][ T6814] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.077672][ T6814] RIP: 0033:0x45bee7 [ 63.081538][ T6814] Code: Bad RIP value. [ 63.086619][ T6814] RSP: 002b:00007fff2de02f08 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 63.095073][ T6814] RAX: ffffffffffffffda RBX: 000000000000f593 RCX: 000000000045bee7 [ 63.103062][ T6814] RDX: 00007fff2de02f53 RSI: 00000000000001ff RDI: 00007fff2de02f50 [ 63.111030][ T6814] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 2020/06/08 13:49:19 building call list... [ 63.119097][ T6814] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 63.127056][ T6814] R13: 00007fff2de02f40 R14: 000000000000f588 R15: 00007fff2de02f50 [ 63.409047][ T4672] tipc: TX() has been purged, node left! executing program [ 64.857989][ T6799] can: request_module (can-proto-0) failed. [ 65.404740][ T6799] can: request_module (can-proto-0) failed. [ 65.416414][ T6799] can: request_module (can-proto-0) failed.