Starting Load/Save RF Kill Switch Status... [ 53.440717][ T6730] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6730 [ 53.450304][ T6730] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 53.456206][ T6730] CPU: 0 PID: 6730 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 53.464428][ T6730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.474539][ T6730] Call Trace: [ 53.477823][ T6730] dump_stack+0x188/0x20d [ 53.482143][ T6730] debug_smp_processor_id.cold+0x88/0x9b [ 53.487758][ T6730] ext4_mb_new_blocks+0xa77/0x3b30 [ 53.493004][ T6730] ? ext4_ext_search_right+0x2ca/0xb20 [ 53.498480][ T6730] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 53.504193][ T6730] ext4_ext_map_blocks+0x2044/0x3410 [ 53.509466][ T6730] ? ext4_ext_release+0x10/0x10 [ 53.514308][ T6730] ? __down_timeout+0x2d0/0x2d0 [ 53.519157][ T6730] ? ext4_es_lookup_extent+0x41d/0xd30 [ 53.524613][ T6730] ext4_map_blocks+0x4cb/0x1640 [ 53.529451][ T6730] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 53.534748][ T6730] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 53.540288][ T6730] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 53.546359][ T6730] ? prandom_u32_state+0xe/0x170 [ 53.551297][ T6730] ? __brelse+0x84/0xa0 [ 53.555444][ T6730] ? __ext4_new_inode+0x144/0x57c0 [ 53.560563][ T6730] ext4_getblk+0xad/0x520 [ 53.564904][ T6730] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 53.570612][ T6730] ? ext4_free_inode+0x17e0/0x17e0 [ 53.575705][ T6730] ext4_bread+0x7c/0x380 [ 53.579937][ T6730] ? ext4_getblk+0x520/0x520 [ 53.584536][ T6730] ? dqget+0xff0/0xff0 [ 53.588673][ T6730] ext4_append+0x153/0x360 [ 53.593114][ T6730] ext4_mkdir+0x5e0/0xdf0 [ 53.597439][ T6730] ? ext4_rmdir+0xde0/0xde0 [ 53.602103][ T6730] ? security_inode_permission+0xc4/0xf0 [ 53.607809][ T6730] vfs_mkdir+0x419/0x690 [ 53.612123][ T6730] do_mkdirat+0x21e/0x280 [ 53.616467][ T6730] ? __ia32_sys_mknod+0xb0/0xb0 [ 53.621543][ T6730] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 53.627539][ T6730] ? do_syscall_64+0x21/0x7d0 [ 53.632572][ T6730] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 53.638557][ T6730] do_syscall_64+0xf6/0x7d0 [ 53.643828][ T6730] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 53.649715][ T6730] RIP: 0033:0x7f6aac824687 [ 53.654141][ T6730] 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 [ 53.673742][ T6730] RSP: 002b:00007ffd03748a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 53.682174][ T6730] RAX: ffffffffffffffda RBX: 000055d7da7b8985 RCX: 00007f6aac824687 [ 53.690365][ T6730] RDX: 00007ffd03748930 RSI: 00000000000001ed RDI: 000055d7da7b8985 [ 53.698369][ T6730] RBP: 00007f6aac824680 R08: 0000000000000100 R09: 0000000000000000 [ 53.706336][ T6730] R10: 000055d7da7b8980 R11: 0000000000000246 R12: 00000000000001ed [ 53.714742][ T6730] R13: 00007ffd03748bf0 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 56.696504][ T408] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:7/408 [ 56.705855][ T408] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 56.711880][ T408] CPU: 0 PID: 408 Comm: kworker/u4:7 Not tainted 5.7.0-syzkaller #0 [ 56.719856][ T408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.729911][ T408] Workqueue: writeback wb_workfn (flush-8:0) [ 56.735897][ T408] Call Trace: [ 56.739174][ T408] dump_stack+0x188/0x20d [ 56.743507][ T408] debug_smp_processor_id.cold+0x88/0x9b [ 56.749147][ T408] ext4_mb_new_blocks+0xa77/0x3b30 [ 56.754239][ T408] ? __kmalloc+0x62f/0x7a0 [ 56.758670][ T408] ? ext4_ext_search_right+0x2ca/0xb20 [ 56.764136][ T408] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 56.769847][ T408] ext4_ext_map_blocks+0x2044/0x3410 [ 56.775123][ T408] ? ext4_ext_release+0x10/0x10 [ 56.779968][ T408] ? __down_timeout+0x2d0/0x2d0 [ 56.784813][ T408] ? ext4_es_lookup_extent+0x41d/0xd30 [ 56.790272][ T408] ? debug_smp_processor_id+0x2f/0x185 [ 56.795816][ T408] ext4_map_blocks+0x4cb/0x1640 [ 56.801013][ T408] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 56.806206][ T408] ? debug_smp_processor_id+0x2f/0x185 [ 56.811653][ T408] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.817181][ T408] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.823147][ T408] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 56.828597][ T408] ext4_writepages+0x1ab7/0x3400 [ 56.833538][ T408] ? __ext4_mark_inode_dirty+0x950/0x950 [ 56.839331][ T408] ? __lock_acquire+0x2224/0x48a0 [ 56.844512][ T408] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.850493][ T408] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.856464][ T408] ? __ext4_mark_inode_dirty+0x950/0x950 [ 56.862078][ T408] ? do_writepages+0xfa/0x2a0 [ 56.866758][ T408] do_writepages+0xfa/0x2a0 [ 56.871247][ T408] ? page_writeback_cpu_online+0x10/0x10 [ 56.876858][ T408] ? debug_smp_processor_id+0x2f/0x185 [ 56.882301][ T408] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.887828][ T408] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.893892][ T408] ? lock_downgrade+0x840/0x840 [ 56.898763][ T408] __writeback_single_inode+0x12a/0x1410 [ 56.904377][ T408] ? _raw_spin_unlock+0x24/0x40 [ 56.909207][ T408] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 56.915179][ T408] writeback_sb_inodes+0x515/0xdd0 [ 56.920282][ T408] ? __writeback_single_inode+0x1410/0x1410 [ 56.926167][ T408] __writeback_inodes_wb+0xc3/0x250 [ 56.931347][ T408] wb_writeback+0x910/0xd90 [ 56.935832][ T408] ? print_usage_bug+0x240/0x240 [ 56.940767][ T408] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 56.947167][ T408] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 56.953044][ T408] ? cpumask_next+0x3c/0x40 [ 56.957529][ T408] ? get_nr_dirty_inodes+0xd6/0x130 [ 56.962732][ T408] wb_workfn+0xadf/0x10d0 [ 56.967048][ T408] ? inode_wait_for_writeback+0x30/0x30 [ 56.972666][ T408] ? debug_smp_processor_id+0x2f/0x185 [ 56.978106][ T408] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.983635][ T408] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.989629][ T408] process_one_work+0x965/0x16a0 [ 56.994554][ T408] ? lock_release+0x800/0x800 [ 56.999256][ T408] ? pwq_dec_nr_in_flight+0x310/0x310 [ 57.004721][ T408] ? rwlock_bug.part.0+0x90/0x90 [ 57.009847][ T408] worker_thread+0x96/0xe10 [ 57.014381][ T408] ? process_one_work+0x16a0/0x16a0 [ 57.019595][ T408] kthread+0x388/0x470 [ 57.023675][ T408] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.029486][ T408] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.036149][ T408] ret_from_fork+0x24/0x30 Warning: Permanently added '10.128.0.140' (ECDSA) to the list of known hosts. 2020/06/13 06:43:56 fuzzer started 2020/06/13 06:43:56 connecting to host at 10.128.0.26:41305 2020/06/13 06:43:56 checking machine... 2020/06/13 06:43:56 checking revisions... 2020/06/13 06:43:56 testing simple program... [ 58.863950][ T6807] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6807 [ 58.873041][ T6807] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.879132][ T6807] CPU: 0 PID: 6807 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 58.887154][ T6807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.897209][ T6807] Call Trace: [ 58.900505][ T6807] dump_stack+0x188/0x20d [ 58.904860][ T6807] debug_smp_processor_id.cold+0x88/0x9b [ 58.910624][ T6807] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.915740][ T6807] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.921184][ T6807] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.926891][ T6807] ext4_ext_map_blocks+0x2044/0x3410 [ 58.932180][ T6807] ? ext4_ext_release+0x10/0x10 [ 58.937303][ T6807] ? __down_timeout+0x2d0/0x2d0 [ 58.942144][ T6807] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.947608][ T6807] ext4_map_blocks+0x4cb/0x1640 [ 58.952883][ T6807] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.958084][ T6807] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.963610][ T6807] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.969749][ T6807] ? prandom_u32_state+0xe/0x170 [ 58.974754][ T6807] ? __brelse+0x84/0xa0 [ 58.978920][ T6807] ? __ext4_new_inode+0x144/0x57c0 [ 58.984168][ T6807] ext4_getblk+0xad/0x520 [ 58.988508][ T6807] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.994322][ T6807] ? ext4_free_inode+0x17e0/0x17e0 [ 58.999565][ T6807] ext4_bread+0x7c/0x380 [ 59.003815][ T6807] ? ext4_getblk+0x520/0x520 [ 59.008392][ T6807] ? dqget+0xff0/0xff0 [ 59.012533][ T6807] ext4_append+0x153/0x360 [ 59.016936][ T6807] ext4_mkdir+0x5e0/0xdf0 [ 59.021265][ T6807] ? ext4_rmdir+0xde0/0xde0 [ 59.025759][ T6807] ? security_inode_permission+0xc4/0xf0 [ 59.031465][ T6807] vfs_mkdir+0x419/0x690 [ 59.035713][ T6807] do_mkdirat+0x21e/0x280 [ 59.040057][ T6807] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.044908][ T6807] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.050875][ T6807] ? do_syscall_64+0x21/0x7d0 [ 59.055557][ T6807] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.061970][ T6807] do_syscall_64+0xf6/0x7d0 [ 59.066477][ T6807] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.072350][ T6807] RIP: 0033:0x4b02a0 [ 59.076225][ T6807] 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 [ 59.095838][ T6807] RSP: 002b:000000c0000e14b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 59.104240][ T6807] RAX: ffffffffffffffda RBX: 000000c00002c000 RCX: 00000000004b02a0 [ 59.112192][ T6807] RDX: 00000000000001c0 RSI: 000000c000026340 RDI: ffffffffffffff9c [ 59.120173][ T6807] RBP: 000000c0000e1510 R08: 0000000000000000 R09: 0000000000000000 [ 59.128134][ T6807] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 59.136349][ T6807] R13: 000000000000001b R14: 000000000000001a R15: 0000000000000100 [ 59.153118][ T6818] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6818 [ 59.162738][ T6818] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.168734][ T6818] CPU: 0 PID: 6818 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.176987][ T6818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.187041][ T6818] Call Trace: [ 59.190313][ T6818] dump_stack+0x188/0x20d [ 59.194971][ T6818] debug_smp_processor_id.cold+0x88/0x9b [ 59.200584][ T6818] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.205679][ T6818] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.211275][ T6818] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.216985][ T6818] ext4_ext_map_blocks+0x2044/0x3410 [ 59.222256][ T6818] ? ext4_ext_release+0x10/0x10 [ 59.227273][ T6818] ? __down_timeout+0x2d0/0x2d0 [ 59.232104][ T6818] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.237554][ T6818] ext4_map_blocks+0x4cb/0x1640 [ 59.242385][ T6818] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.247561][ T6818] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.253083][ T6818] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.259304][ T6818] ? prandom_u32_state+0xe/0x170 [ 59.264217][ T6818] ? __brelse+0x84/0xa0 [ 59.268361][ T6818] ? __ext4_new_inode+0x144/0x57c0 [ 59.273467][ T6818] ext4_getblk+0xad/0x520 [ 59.277809][ T6818] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.283523][ T6818] ? ext4_free_inode+0x17e0/0x17e0 [ 59.288614][ T6818] ext4_bread+0x7c/0x380 [ 59.292841][ T6818] ? ext4_getblk+0x520/0x520 [ 59.297430][ T6818] ? dqget+0xff0/0xff0 [ 59.301481][ T6818] ext4_append+0x153/0x360 [ 59.305977][ T6818] ext4_mkdir+0x5e0/0xdf0 [ 59.310317][ T6818] ? ext4_rmdir+0xde0/0xde0 [ 59.314822][ T6818] ? security_inode_permission+0xc4/0xf0 [ 59.320439][ T6818] vfs_mkdir+0x419/0x690 [ 59.324829][ T6818] do_mkdirat+0x21e/0x280 [ 59.329159][ T6818] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.334006][ T6818] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.339990][ T6818] ? do_syscall_64+0x21/0x7d0 [ 59.344656][ T6818] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.350631][ T6818] do_syscall_64+0xf6/0x7d0 [ 59.355120][ T6818] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.361519][ T6818] RIP: 0033:0x45bee7 [ 59.365398][ 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 [ 59.385168][ T6818] RSP: 002b:00007ffc584acd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 59.393748][ T6818] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 59.401730][ T6818] RDX: 0000000000000002 RSI: 00000000000001c0 RDI: 00007ffc584acf50 [ 59.409682][ T6818] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000002c80 [ 59.417911][ T6818] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 59.425875][ T6818] R13: 00007ffc584acf50 R14: 8421084210842109 R15: 00007ffc584acf5c [ 59.508196][ T6819] IPVS: ftp: loaded support on port[0] = 21 [ 59.544652][ T6819] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6819 [ 59.554182][ T6819] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.560157][ T6819] CPU: 1 PID: 6819 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.568601][ T6819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.578915][ T6819] Call Trace: [ 59.582192][ T6819] dump_stack+0x188/0x20d [ 59.586521][ T6819] debug_smp_processor_id.cold+0x88/0x9b [ 59.592142][ T6819] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.597253][ T6819] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.602691][ T6819] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.608390][ T6819] ext4_ext_map_blocks+0x2044/0x3410 [ 59.613687][ T6819] ? ext4_ext_release+0x10/0x10 [ 59.618536][ T6819] ? __down_timeout+0x2d0/0x2d0 [ 59.623400][ T6819] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.628892][ T6819] ext4_map_blocks+0x4cb/0x1640 [ 59.633727][ T6819] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.638913][ T6819] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.644454][ T6819] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.650425][ T6819] ? prandom_u32_state+0xe/0x170 [ 59.655354][ T6819] ? __brelse+0x84/0xa0 [ 59.659498][ T6819] ? __ext4_new_inode+0x144/0x57c0 [ 59.664611][ T6819] ext4_getblk+0xad/0x520 [ 59.668936][ T6819] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.674648][ T6819] ? ext4_free_inode+0x17e0/0x17e0 [ 59.679741][ T6819] ext4_bread+0x7c/0x380 [ 59.683994][ T6819] ? ext4_getblk+0x520/0x520 [ 59.688597][ T6819] ? dqget+0xff0/0xff0 [ 59.692656][ T6819] ext4_append+0x153/0x360 [ 59.697055][ T6819] ext4_mkdir+0x5e0/0xdf0 [ 59.701368][ T6819] ? ext4_rmdir+0xde0/0xde0 [ 59.705868][ T6819] ? security_inode_permission+0xc4/0xf0 [ 59.713217][ T6819] vfs_mkdir+0x419/0x690 [ 59.717455][ T6819] do_mkdirat+0x21e/0x280 [ 59.721779][ T6819] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.726606][ T6819] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.732583][ T6819] ? do_syscall_64+0x21/0x7d0 [ 59.737239][ T6819] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.743807][ T6819] do_syscall_64+0xf6/0x7d0 [ 59.748304][ T6819] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.754184][ T6819] RIP: 0033:0x45bee7 [ 59.758153][ 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 [ 59.777919][ T6819] RSP: 002b:00007ffc584acc68 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 59.786318][ T6819] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 59.794272][ T6819] RDX: 00007ffc584accb3 RSI: 00000000000001ff RDI: 00007ffc584accb0 [ 59.802231][ T6819] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 59.810192][ T6819] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185d0 [ 59.818152][ T6819] R13: 00007ffc584acca0 R14: 0000000000000000 R15: 00007ffc584accb0 [ 59.870360][ T6819] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6819 [ 59.879852][ T6819] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.886102][ T6819] CPU: 1 PID: 6819 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.894339][ T6819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.904485][ T6819] Call Trace: [ 59.907785][ T6819] dump_stack+0x188/0x20d [ 59.912129][ T6819] debug_smp_processor_id.cold+0x88/0x9b [ 59.917768][ T6819] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.922899][ T6819] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.928453][ T6819] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.934624][ T6819] ext4_ext_map_blocks+0x2044/0x3410 [ 59.940193][ T6819] ? ext4_ext_release+0x10/0x10 [ 59.945209][ T6819] ? __down_timeout+0x2d0/0x2d0 [ 59.950143][ T6819] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.955593][ T6819] ext4_map_blocks+0x4cb/0x1640 [ 59.960568][ T6819] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.965745][ T6819] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.971267][ T6819] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.977240][ T6819] ? prandom_u32_state+0xe/0x170 [ 59.982158][ T6819] ? __brelse+0x84/0xa0 [ 59.986306][ T6819] ? __ext4_new_inode+0x144/0x57c0 [ 59.991415][ T6819] ext4_getblk+0xad/0x520 [ 59.995854][ T6819] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.001580][ T6819] ? ext4_free_inode+0x17e0/0x17e0 [ 60.006683][ T6819] ext4_bread+0x7c/0x380 [ 60.010905][ T6819] ? ext4_getblk+0x520/0x520 [ 60.015481][ T6819] ? dqget+0xff0/0xff0 [ 60.019543][ T6819] ext4_append+0x153/0x360 [ 60.024022][ T6819] ext4_mkdir+0x5e0/0xdf0 [ 60.028332][ T6819] ? ext4_rmdir+0xde0/0xde0 [ 60.032813][ T6819] ? security_inode_permission+0xc4/0xf0 [ 60.038425][ T6819] vfs_mkdir+0x419/0x690 [ 60.042655][ T6819] do_mkdirat+0x21e/0x280 [ 60.046963][ T6819] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.051799][ T6819] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.057759][ T6819] ? do_syscall_64+0x21/0x7d0 [ 60.062413][ T6819] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.068376][ T6819] do_syscall_64+0xf6/0x7d0 [ 60.072862][ T6819] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 60.078743][ T6819] RIP: 0033:0x45bee7 [ 60.082739][ 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 [ 60.102635][ T6819] RSP: 002b:00007ffc584acc68 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 60.111023][ T6819] RAX: ffffffffffffffda RBX: 000000000000e9d7 RCX: 000000000045bee7 2020/06/13 06:43:58 building call list... [ 60.118985][ T6819] RDX: 00007ffc584accb3 RSI: 00000000000001ff RDI: 00007ffc584accb0 [ 60.127026][ T6819] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 60.134984][ T6819] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 60.143022][ T6819] R13: 00007ffc584acca0 R14: 000000000000e9d3 R15: 00007ffc584accb0 [ 60.406578][ T408] tipc: TX() has been purged, node left! executing program [ 61.842351][ T6803] can: request_module (can-proto-0) failed. [ 62.390066][ T6803] can: request_module (can-proto-0) failed. [ 62.406133][ T6803] can: request_module (can-proto-0) failed.