Starting Load/Save RF Kill Switch Status... [ 52.173594][ T6729] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6729 [ 52.183101][ T6729] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 52.189343][ T6729] CPU: 1 PID: 6729 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 52.197609][ T6729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.207650][ T6729] Call Trace: [ 52.210932][ T6729] dump_stack+0x188/0x20d [ 52.215244][ T6729] debug_smp_processor_id.cold+0x88/0x9b [ 52.220856][ T6729] ext4_mb_new_blocks+0xa77/0x3b30 [ 52.225948][ T6729] ? ext4_ext_search_right+0x2ca/0xb20 [ 52.231387][ T6729] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 52.237141][ T6729] ext4_ext_map_blocks+0x2044/0x3410 [ 52.242482][ T6729] ? ext4_ext_release+0x10/0x10 [ 52.247335][ T6729] ? __down_timeout+0x2d0/0x2d0 [ 52.252173][ T6729] ? ext4_es_lookup_extent+0x41d/0xd30 [ 52.257611][ T6729] ext4_map_blocks+0x4cb/0x1640 [ 52.262444][ T6729] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 52.267666][ T6729] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.273190][ T6729] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 52.279147][ T6729] ? prandom_u32_state+0xe/0x170 [ 52.284077][ T6729] ? __brelse+0x84/0xa0 [ 52.288227][ T6729] ? __ext4_new_inode+0x144/0x57c0 [ 52.294372][ T6729] ext4_getblk+0xad/0x520 [ 52.298681][ T6729] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 52.304379][ T6729] ? ext4_free_inode+0x17e0/0x17e0 [ 52.309476][ T6729] ext4_bread+0x7c/0x380 [ 52.313696][ T6729] ? ext4_getblk+0x520/0x520 [ 52.318280][ T6729] ? dqget+0xff0/0xff0 [ 52.322330][ T6729] ext4_append+0x153/0x360 [ 52.326911][ T6729] ext4_mkdir+0x5e0/0xdf0 [ 52.331309][ T6729] ? ext4_rmdir+0xde0/0xde0 [ 52.335905][ T6729] ? security_inode_permission+0xc4/0xf0 [ 52.341550][ T6729] vfs_mkdir+0x419/0x690 [ 52.345773][ T6729] do_mkdirat+0x21e/0x280 [ 52.350082][ T6729] ? __ia32_sys_mknod+0xb0/0xb0 [ 52.354909][ T6729] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 52.360868][ T6729] ? do_syscall_64+0x21/0x7d0 [ 52.365544][ T6729] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 52.371503][ T6729] do_syscall_64+0xf6/0x7d0 [ 52.376007][ T6729] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 52.381877][ T6729] RIP: 0033:0x7f7558b11687 [ 52.386271][ T6729] Code: 00 b8 ff ff ff ff c3 0f 1f 40 00 48 8b 05 09 d8 2b 00 64 c7 00 5f 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 d7 2b 00 f7 d8 64 89 01 48 [ 52.405882][ T6729] RSP: 002b:00007ffd755c2ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 52.414290][ T6729] RAX: ffffffffffffffda RBX: 00005575d44df985 RCX: 00007f7558b11687 [ 52.422266][ T6729] RDX: 00007ffd755c2ec0 RSI: 00000000000001ed RDI: 00005575d44df985 [ 52.430220][ T6729] RBP: 00007f7558b11680 R08: 0000000000000100 R09: 0000000000000000 [ 52.438171][ T6729] R10: 00005575d44df980 R11: 0000000000000246 R12: 00000000000001ed [ 52.446121][ T6729] R13: 00007ffd755c3180 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 55.937275][ T21] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:1/21 [ 55.946320][ T21] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 55.952525][ T21] CPU: 0 PID: 21 Comm: kworker/u4:1 Not tainted 5.7.0-syzkaller #0 [ 55.960413][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.970460][ T21] Workqueue: writeback wb_workfn (flush-8:0) [ 55.976413][ T21] Call Trace: [ 55.979688][ T21] dump_stack+0x188/0x20d [ 55.983997][ T21] debug_smp_processor_id.cold+0x88/0x9b [ 55.989665][ T21] ext4_mb_new_blocks+0xa77/0x3b30 [ 55.994751][ T21] ? __kmalloc+0x62f/0x7a0 [ 55.999152][ T21] ? ext4_ext_search_right+0x2ca/0xb20 [ 56.004587][ T21] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 56.010289][ T21] ext4_ext_map_blocks+0x2044/0x3410 [ 56.015558][ T21] ? ext4_ext_release+0x10/0x10 [ 56.020394][ T21] ? __down_timeout+0x2d0/0x2d0 [ 56.025235][ T21] ? ext4_es_lookup_extent+0x41d/0xd30 [ 56.030691][ T21] ? debug_smp_processor_id+0x2f/0x185 [ 56.036129][ T21] ext4_map_blocks+0x4cb/0x1640 [ 56.040978][ T21] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 56.046149][ T21] ? debug_smp_processor_id+0x2f/0x185 [ 56.051777][ T21] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.057314][ T21] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.063300][ T21] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 56.068737][ T21] ext4_writepages+0x1ab7/0x3400 [ 56.073665][ T21] ? __ext4_mark_inode_dirty+0x950/0x950 [ 56.079275][ T21] ? __lock_acquire+0x2224/0x48a0 [ 56.084284][ T21] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.090258][ T21] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.096231][ T21] ? __ext4_mark_inode_dirty+0x950/0x950 [ 56.101864][ T21] ? do_writepages+0xfa/0x2a0 [ 56.106523][ T21] do_writepages+0xfa/0x2a0 [ 56.111022][ T21] ? page_writeback_cpu_online+0x10/0x10 [ 56.116635][ T21] ? debug_smp_processor_id+0x2f/0x185 [ 56.122092][ T21] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.127615][ T21] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.133586][ T21] ? lock_downgrade+0x840/0x840 [ 56.138429][ T21] __writeback_single_inode+0x12a/0x1410 [ 56.144052][ T21] ? _raw_spin_unlock+0x24/0x40 [ 56.148880][ T21] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 56.154850][ T21] writeback_sb_inodes+0x515/0xdd0 [ 56.159948][ T21] ? __writeback_single_inode+0x1410/0x1410 [ 56.165828][ T21] __writeback_inodes_wb+0xc3/0x250 [ 56.171008][ T21] wb_writeback+0x910/0xd90 [ 56.175488][ T21] ? print_usage_bug+0x240/0x240 [ 56.180435][ T21] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 56.186741][ T21] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 56.192611][ T21] ? cpumask_next+0x3c/0x40 [ 56.197094][ T21] ? get_nr_dirty_inodes+0xd6/0x130 [ 56.202272][ T21] wb_workfn+0xadf/0x10d0 [ 56.206611][ T21] ? inode_wait_for_writeback+0x30/0x30 [ 56.212159][ T21] ? debug_smp_processor_id+0x2f/0x185 [ 56.217603][ T21] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.223127][ T21] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.229089][ T21] process_one_work+0x965/0x16a0 [ 56.234008][ T21] ? lock_release+0x800/0x800 [ 56.238667][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 56.244017][ T21] ? rwlock_bug.part.0+0x90/0x90 [ 56.248935][ T21] worker_thread+0x96/0xe10 [ 56.253430][ T21] ? process_one_work+0x16a0/0x16a0 [ 56.258605][ T21] kthread+0x388/0x470 [ 56.262648][ T21] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.268342][ T21] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.274041][ T21] ret_from_fork+0x24/0x30 Warning: Permanently added '10.128.0.5' (ECDSA) to the list of known hosts. 2020/06/13 03:38:20 fuzzer started 2020/06/13 03:38:20 connecting to host at 10.128.0.26:35123 2020/06/13 03:38:20 checking machine... 2020/06/13 03:38:20 checking revisions... 2020/06/13 03:38:21 testing simple program... [ 57.675637][ T6802] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6802 [ 57.684718][ T6802] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.690751][ T6802] CPU: 1 PID: 6802 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 57.698684][ T6802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.708768][ T6802] Call Trace: [ 57.712042][ T6802] dump_stack+0x188/0x20d [ 57.716386][ T6802] debug_smp_processor_id.cold+0x88/0x9b [ 57.721996][ T6802] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.727168][ T6802] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.732613][ T6802] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.738380][ T6802] ext4_ext_map_blocks+0x2044/0x3410 [ 57.743655][ T6802] ? ext4_ext_release+0x10/0x10 [ 57.748549][ T6802] ? __down_timeout+0x2d0/0x2d0 [ 57.753394][ T6802] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.758838][ T6802] ext4_map_blocks+0x4cb/0x1640 [ 57.763672][ T6802] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.768863][ T6802] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.774398][ T6802] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.780357][ T6802] ? prandom_u32_state+0xe/0x170 [ 57.785283][ T6802] ? __brelse+0x84/0xa0 [ 57.789418][ T6802] ? __ext4_new_inode+0x144/0x57c0 [ 57.794507][ T6802] ext4_getblk+0xad/0x520 [ 57.798816][ T6802] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 57.804520][ T6802] ? ext4_free_inode+0x17e0/0x17e0 [ 57.809611][ T6802] ext4_bread+0x7c/0x380 [ 57.813832][ T6802] ? ext4_getblk+0x520/0x520 [ 57.818416][ T6802] ? dqget+0xff0/0xff0 [ 57.822467][ T6802] ext4_append+0x153/0x360 [ 57.826877][ T6802] ext4_mkdir+0x5e0/0xdf0 [ 57.831186][ T6802] ? ext4_rmdir+0xde0/0xde0 [ 57.835668][ T6802] ? security_inode_permission+0xc4/0xf0 [ 57.841302][ T6802] vfs_mkdir+0x419/0x690 [ 57.845522][ T6802] do_mkdirat+0x21e/0x280 [ 57.849831][ T6802] ? __ia32_sys_mknod+0xb0/0xb0 [ 57.854660][ T6802] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.860722][ T6802] ? do_syscall_64+0x21/0x7d0 [ 57.865382][ T6802] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.871346][ T6802] do_syscall_64+0xf6/0x7d0 [ 57.875829][ T6802] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 57.881698][ T6802] RIP: 0033:0x4b02a0 [ 57.885570][ T6802] 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 [ 57.905148][ T6802] RSP: 002b:000000c00004f4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 57.913534][ T6802] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 57.921496][ T6802] RDX: 00000000000001c0 RSI: 000000c0000dcca0 RDI: ffffffffffffff9c [ 57.929444][ T6802] RBP: 000000c00004f510 R08: 0000000000000000 R09: 0000000000000000 [ 57.937391][ T6802] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 57.945345][ T6802] R13: 0000000000000066 R14: 0000000000000065 R15: 0000000000000100 [ 57.974984][ T6818] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6818 [ 57.984545][ T6818] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.990514][ T6818] CPU: 0 PID: 6818 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 57.998751][ T6818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.008865][ T6818] Call Trace: [ 58.012174][ T6818] dump_stack+0x188/0x20d [ 58.016484][ T6818] debug_smp_processor_id.cold+0x88/0x9b [ 58.022104][ T6818] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.027198][ T6818] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.032634][ T6818] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.038585][ T6818] ext4_ext_map_blocks+0x2044/0x3410 [ 58.043888][ T6818] ? ext4_ext_release+0x10/0x10 [ 58.048865][ T6818] ? __down_timeout+0x2d0/0x2d0 [ 58.053720][ T6818] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.059162][ T6818] ext4_map_blocks+0x4cb/0x1640 [ 58.064016][ T6818] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.069221][ T6818] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.074779][ T6818] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.080776][ T6818] ? prandom_u32_state+0xe/0x170 [ 58.085724][ T6818] ? __brelse+0x84/0xa0 [ 58.089863][ T6818] ? __ext4_new_inode+0x144/0x57c0 [ 58.094959][ T6818] ext4_getblk+0xad/0x520 [ 58.099288][ T6818] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.104994][ T6818] ? ext4_free_inode+0x17e0/0x17e0 [ 58.110085][ T6818] ext4_bread+0x7c/0x380 [ 58.114307][ T6818] ? ext4_getblk+0x520/0x520 [ 58.118884][ T6818] ? dqget+0xff0/0xff0 [ 58.123033][ T6818] ext4_append+0x153/0x360 [ 58.127436][ T6818] ext4_mkdir+0x5e0/0xdf0 [ 58.131758][ T6818] ? ext4_rmdir+0xde0/0xde0 [ 58.136249][ T6818] ? security_inode_permission+0xc4/0xf0 [ 58.141888][ T6818] vfs_mkdir+0x419/0x690 [ 58.146117][ T6818] do_mkdirat+0x21e/0x280 [ 58.150430][ T6818] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.155300][ T6818] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.161301][ T6818] ? do_syscall_64+0x21/0x7d0 [ 58.165974][ T6818] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.172025][ T6818] do_syscall_64+0xf6/0x7d0 [ 58.176511][ T6818] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.182394][ T6818] RIP: 0033:0x45bee7 [ 58.186267][ 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 [ 58.205853][ T6818] RSP: 002b:00007ffed61e51a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 58.214267][ T6818] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 58.222213][ T6818] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007ffed61e5380 [ 58.230170][ T6818] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000002ec0 [ 58.238148][ T6818] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 58.246094][ T6818] R13: 00007ffed61e5380 R14: 8421084210842109 R15: 00007ffed61e538c [ 58.323625][ T6819] IPVS: ftp: loaded support on port[0] = 21 [ 58.359732][ T6819] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6819 [ 58.369297][ T6819] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.375283][ T6819] CPU: 1 PID: 6819 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 58.383537][ T6819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.393575][ T6819] Call Trace: [ 58.396854][ T6819] dump_stack+0x188/0x20d [ 58.401250][ T6819] debug_smp_processor_id.cold+0x88/0x9b [ 58.406861][ T6819] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.412045][ T6819] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.417481][ T6819] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.423227][ T6819] ext4_ext_map_blocks+0x2044/0x3410 [ 58.428494][ T6819] ? ext4_ext_release+0x10/0x10 [ 58.433349][ T6819] ? __down_timeout+0x2d0/0x2d0 [ 58.438191][ T6819] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.443639][ T6819] ext4_map_blocks+0x4cb/0x1640 [ 58.448510][ T6819] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.453687][ T6819] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.459240][ T6819] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.465216][ T6819] ? prandom_u32_state+0xe/0x170 [ 58.470138][ T6819] ? __brelse+0x84/0xa0 [ 58.474272][ T6819] ? __ext4_new_inode+0x144/0x57c0 [ 58.479363][ T6819] ext4_getblk+0xad/0x520 [ 58.483672][ T6819] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.489383][ T6819] ? ext4_free_inode+0x17e0/0x17e0 [ 58.494489][ T6819] ext4_bread+0x7c/0x380 [ 58.498727][ T6819] ? ext4_getblk+0x520/0x520 [ 58.503310][ T6819] ? dqget+0xff0/0xff0 [ 58.507382][ T6819] ext4_append+0x153/0x360 [ 58.511803][ T6819] ext4_mkdir+0x5e0/0xdf0 [ 58.516311][ T6819] ? ext4_rmdir+0xde0/0xde0 [ 58.520883][ T6819] ? security_inode_permission+0xc4/0xf0 [ 58.526515][ T6819] vfs_mkdir+0x419/0x690 [ 58.530749][ T6819] do_mkdirat+0x21e/0x280 [ 58.535074][ T6819] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.539908][ T6819] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.545866][ T6819] ? do_syscall_64+0x21/0x7d0 [ 58.550531][ T6819] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.556510][ T6819] do_syscall_64+0xf6/0x7d0 [ 58.560993][ T6819] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.566861][ T6819] RIP: 0033:0x45bee7 [ 58.570742][ 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 [ 58.590345][ T6819] RSP: 002b:00007ffed61e5098 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 58.599881][ T6819] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 58.607929][ T6819] RDX: 00007ffed61e50e3 RSI: 00000000000001ff RDI: 00007ffed61e50e0 [ 58.615879][ T6819] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 58.623827][ T6819] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185d0 [ 58.631787][ T6819] R13: 00007ffed61e50d0 R14: 0000000000000000 R15: 00007ffed61e50e0 [ 58.683933][ T6819] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6819 [ 58.693487][ T6819] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.699461][ T6819] CPU: 1 PID: 6819 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 58.707696][ T6819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.717761][ T6819] Call Trace: [ 58.721059][ T6819] dump_stack+0x188/0x20d [ 58.725404][ T6819] debug_smp_processor_id.cold+0x88/0x9b [ 58.731042][ T6819] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.736170][ T6819] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.741633][ T6819] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.747365][ T6819] ext4_ext_map_blocks+0x2044/0x3410 [ 58.752663][ T6819] ? ext4_ext_release+0x10/0x10 [ 58.757543][ T6819] ? __down_timeout+0x2d0/0x2d0 [ 58.762389][ T6819] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.767836][ T6819] ext4_map_blocks+0x4cb/0x1640 [ 58.772781][ T6819] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.777958][ T6819] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.783482][ T6819] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.789442][ T6819] ? prandom_u32_state+0xe/0x170 [ 58.794361][ T6819] ? __brelse+0x84/0xa0 [ 58.798495][ T6819] ? __ext4_new_inode+0x144/0x57c0 [ 58.803632][ T6819] ext4_getblk+0xad/0x520 [ 58.807962][ T6819] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.813661][ T6819] ? ext4_free_inode+0x17e0/0x17e0 [ 58.818767][ T6819] ext4_bread+0x7c/0x380 [ 58.822986][ T6819] ? ext4_getblk+0x520/0x520 [ 58.827554][ T6819] ? dqget+0xff0/0xff0 [ 58.831618][ T6819] ext4_append+0x153/0x360 [ 58.836015][ T6819] ext4_mkdir+0x5e0/0xdf0 [ 58.840324][ T6819] ? ext4_rmdir+0xde0/0xde0 [ 58.844819][ T6819] ? security_inode_permission+0xc4/0xf0 [ 58.850450][ T6819] vfs_mkdir+0x419/0x690 [ 58.854672][ T6819] do_mkdirat+0x21e/0x280 [ 58.858987][ T6819] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.863812][ T6819] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.869858][ T6819] ? do_syscall_64+0x21/0x7d0 [ 58.874526][ T6819] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.880502][ T6819] do_syscall_64+0xf6/0x7d0 [ 58.884985][ T6819] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.890870][ T6819] RIP: 0033:0x45bee7 [ 58.894749][ 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 [ 58.914336][ T6819] RSP: 002b:00007ffed61e5098 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 58.922728][ T6819] RAX: ffffffffffffffda RBX: 000000000000e532 RCX: 000000000045bee7 2020/06/13 03:38:22 building call list... [ 58.930736][ T6819] RDX: 00007ffed61e50e3 RSI: 00000000000001ff RDI: 00007ffed61e50e0 [ 58.938703][ T6819] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 58.946654][ T6819] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 58.954612][ T6819] R13: 00007ffed61e50d0 R14: 000000000000e524 R15: 00007ffed61e50e0 [ 59.225970][ T21] tipc: TX() has been purged, node left! executing program [ 60.678699][ T6817] can: request_module (can-proto-0) failed. [ 61.169535][ T6817] can: request_module (can-proto-0) failed. [ 61.181308][ T6817] can: request_module (can-proto-0) failed.