Starting Load/Save RF Kill Switch Status... [ 53.845611][ T6730] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6730 [ 53.855051][ T6730] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 53.861248][ T6730] CPU: 0 PID: 6730 Comm: systemd-rfkill Not tainted 5.7.0-next-20200605-syzkaller #0 [ 53.870695][ T6730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.880742][ T6730] Call Trace: [ 53.884031][ T6730] dump_stack+0x18f/0x20d [ 53.888345][ T6730] check_preemption_disabled+0x20d/0x220 [ 53.893958][ T6730] ext4_mb_new_blocks+0xa4d/0x3b70 [ 53.899069][ T6730] ? ext4_ext_search_right+0x2ca/0xb20 [ 53.904593][ T6730] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 53.910291][ T6730] ext4_ext_map_blocks+0x201b/0x33e0 [ 53.915564][ T6730] ? ext4_ext_release+0x10/0x10 [ 53.920406][ T6730] ? down_write_killable+0x170/0x170 [ 53.925668][ T6730] ? ext4_es_lookup_extent+0x41d/0xd10 [ 53.931107][ T6730] ext4_map_blocks+0x4cb/0x1640 [ 53.935937][ T6730] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 53.941112][ T6730] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 53.946665][ T6730] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 53.952635][ T6730] ? prandom_u32_state+0xe/0x170 [ 53.957550][ T6730] ? __brelse+0x84/0xa0 [ 53.961683][ T6730] ? __ext4_new_inode+0x144/0x55e0 [ 53.966799][ T6730] ext4_getblk+0xad/0x520 [ 53.971106][ T6730] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 53.976809][ T6730] ? ext4_free_inode+0x1700/0x1700 [ 53.981898][ T6730] ext4_bread+0x7c/0x380 [ 53.986134][ T6730] ? ext4_getblk+0x520/0x520 [ 53.990702][ T6730] ? dquot_get_next_dqblk+0x180/0x180 [ 53.996053][ T6730] ext4_append+0x153/0x360 [ 54.000469][ T6730] ext4_mkdir+0x5e0/0xdf0 [ 54.004802][ T6730] ? ext4_rmdir+0xde0/0xde0 [ 54.009284][ T6730] ? security_inode_permission+0xc4/0xf0 [ 54.014895][ T6730] vfs_mkdir+0x419/0x690 [ 54.019115][ T6730] do_mkdirat+0x21e/0x280 [ 54.023436][ T6730] ? __ia32_sys_mknod+0xb0/0xb0 [ 54.028264][ T6730] ? do_syscall_64+0x1c/0xe0 [ 54.032830][ T6730] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 54.038794][ T6730] do_syscall_64+0x60/0xe0 [ 54.043188][ T6730] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.049055][ T6730] RIP: 0033:0x7fd7cede3687 [ 54.053440][ T6730] Code: Bad RIP value. [ 54.057482][ T6730] RSP: 002b:00007ffe64746b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 54.065865][ T6730] RAX: ffffffffffffffda RBX: 000055a61b0e0985 RCX: 00007fd7cede3687 [ 54.073834][ T6730] RDX: 00007ffe64746a20 RSI: 00000000000001ed RDI: 000055a61b0e0985 [ 54.081793][ T6730] RBP: 00007fd7cede3680 R08: 0000000000000100 R09: 0000000000000000 [ 54.089752][ T6730] R10: 000055a61b0e0980 R11: 0000000000000246 R12: 00000000000001ed [ 54.097706][ T6730] R13: 00007ffe64746ce0 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 56.926001][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 56.935959][ T7] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 56.941845][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 56.950835][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.961308][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 56.967281][ T7] Call Trace: [ 56.970554][ T7] dump_stack+0x18f/0x20d [ 56.974868][ T7] check_preemption_disabled+0x20d/0x220 [ 56.980478][ T7] ext4_mb_new_blocks+0xa4d/0x3b70 [ 56.985565][ T7] ? ext4_find_extent+0x81a/0xad0 [ 56.990568][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 56.996025][ T7] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.001724][ T7] ext4_ext_map_blocks+0x201b/0x33e0 [ 57.007004][ T7] ? ext4_ext_release+0x10/0x10 [ 57.011856][ T7] ? down_write_killable+0x170/0x170 [ 57.017117][ T7] ? ext4_es_lookup_extent+0x41d/0xd10 [ 57.022567][ T7] ext4_map_blocks+0x4cb/0x1640 [ 57.027434][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.032613][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.038133][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.044088][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.049529][ T7] ext4_writepages+0x1a7b/0x33c0 [ 57.054493][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.060119][ T7] ? __lock_acquire+0x2224/0x48b0 [ 57.065127][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.071086][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.077057][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.082669][ T7] ? do_writepages+0xfa/0x2a0 [ 57.087344][ T7] do_writepages+0xfa/0x2a0 [ 57.091834][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 57.097489][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.103034][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.109029][ T7] ? lock_downgrade+0x840/0x840 [ 57.113873][ T7] __writeback_single_inode+0x12a/0x13d0 [ 57.119495][ T7] ? _raw_spin_unlock+0x24/0x40 [ 57.124341][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 57.130315][ T7] writeback_sb_inodes+0x515/0xdc0 [ 57.135447][ T7] ? __writeback_single_inode+0x13d0/0x13d0 [ 57.141328][ T7] __writeback_inodes_wb+0xc3/0x250 [ 57.146505][ T7] wb_writeback+0x8db/0xd50 [ 57.151090][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 57.157396][ T7] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 57.163269][ T7] ? cpumask_next+0x3c/0x40 [ 57.167749][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 57.172940][ T7] wb_workfn+0xab3/0x1090 [ 57.177248][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 57.182773][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.188294][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.194253][ T7] process_one_work+0x965/0x1690 [ 57.199190][ T7] ? lock_release+0x800/0x800 [ 57.203843][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 57.209207][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 57.214124][ T7] worker_thread+0x96/0xe10 [ 57.218608][ T7] ? process_one_work+0x1690/0x1690 [ 57.223796][ T7] kthread+0x3b5/0x4a0 [ 57.227851][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.233545][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.239239][ T7] ret_from_fork+0x1f/0x30 Warning: Permanently added '10.128.0.34' (ECDSA) to the list of known hosts. 2020/06/06 06:23:40 fuzzer started 2020/06/06 06:23:40 connecting to host at 10.128.0.26:34791 2020/06/06 06:23:40 checking machine... 2020/06/06 06:23:40 checking revisions... 2020/06/06 06:23:40 testing simple program... [ 59.253194][ T6789] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6789 [ 59.262320][ T6789] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.268282][ T6789] CPU: 1 PID: 6789 Comm: syz-fuzzer Not tainted 5.7.0-next-20200605-syzkaller #0 [ 59.277385][ T6789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.287439][ T6789] Call Trace: [ 59.290723][ T6789] dump_stack+0x18f/0x20d [ 59.295038][ T6789] check_preemption_disabled+0x20d/0x220 [ 59.300654][ T6789] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.305749][ T6789] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.311187][ T6789] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.316886][ T6789] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.322167][ T6789] ? ext4_ext_release+0x10/0x10 [ 59.327060][ T6789] ? down_write_killable+0x170/0x170 [ 59.332344][ T6789] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.337857][ T6789] ext4_map_blocks+0x4cb/0x1640 [ 59.342699][ T6789] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.347895][ T6789] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.353491][ T6789] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.359462][ T6789] ? prandom_u32_state+0xe/0x170 [ 59.364386][ T6789] ? __brelse+0x84/0xa0 [ 59.368525][ T6789] ? __ext4_new_inode+0x144/0x55e0 [ 59.373617][ T6789] ext4_getblk+0xad/0x520 [ 59.377940][ T6789] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.383644][ T6789] ? ext4_free_inode+0x1700/0x1700 [ 59.388761][ T6789] ext4_bread+0x7c/0x380 [ 59.393008][ T6789] ? ext4_getblk+0x520/0x520 [ 59.397576][ T6789] ? dquot_get_next_dqblk+0x180/0x180 [ 59.402940][ T6789] ext4_append+0x153/0x360 [ 59.407354][ T6789] ext4_mkdir+0x5e0/0xdf0 [ 59.411681][ T6789] ? ext4_rmdir+0xde0/0xde0 [ 59.416163][ T6789] ? security_inode_permission+0xc4/0xf0 [ 59.421774][ T6789] vfs_mkdir+0x419/0x690 [ 59.426012][ T6789] do_mkdirat+0x21e/0x280 [ 59.430334][ T6789] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.435161][ T6789] ? do_syscall_64+0x1c/0xe0 [ 59.439745][ T6789] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.445717][ T6789] do_syscall_64+0x60/0xe0 [ 59.450109][ T6789] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.455993][ T6789] RIP: 0033:0x4b02a0 [ 59.459872][ T6789] Code: Bad RIP value. [ 59.464867][ T6789] RSP: 002b:000000c0000eb4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 59.473252][ T6789] RAX: ffffffffffffffda RBX: 000000c00002c000 RCX: 00000000004b02a0 [ 59.481211][ T6789] RDX: 00000000000001c0 RSI: 000000c0000269e0 RDI: ffffffffffffff9c [ 59.489160][ T6789] RBP: 000000c0000eb510 R08: 0000000000000000 R09: 0000000000000000 [ 59.497123][ T6789] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 59.505069][ T6789] R13: 0000000000000050 R14: 000000000000004f R15: 0000000000000100 [ 59.529232][ T6802] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6802 [ 59.539027][ T6802] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.544904][ T6802] CPU: 0 PID: 6802 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 59.554329][ T6802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.564360][ T6802] Call Trace: [ 59.567631][ T6802] dump_stack+0x18f/0x20d [ 59.571943][ T6802] check_preemption_disabled+0x20d/0x220 [ 59.577554][ T6802] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.582647][ T6802] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.588103][ T6802] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.593821][ T6802] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.599116][ T6802] ? ext4_ext_release+0x10/0x10 [ 59.603978][ T6802] ? down_write_killable+0x170/0x170 [ 59.609276][ T6802] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.614718][ T6802] ext4_map_blocks+0x4cb/0x1640 [ 59.619553][ T6802] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.624740][ T6802] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.630266][ T6802] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.636241][ T6802] ? prandom_u32_state+0xe/0x170 [ 59.641162][ T6802] ? __brelse+0x84/0xa0 [ 59.645302][ T6802] ? __ext4_new_inode+0x144/0x55e0 [ 59.650422][ T6802] ext4_getblk+0xad/0x520 [ 59.654732][ T6802] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.660450][ T6802] ? ext4_free_inode+0x1700/0x1700 [ 59.665560][ T6802] ext4_bread+0x7c/0x380 [ 59.669796][ T6802] ? ext4_getblk+0x520/0x520 [ 59.674362][ T6802] ? dquot_get_next_dqblk+0x180/0x180 [ 59.679713][ T6802] ext4_append+0x153/0x360 [ 59.684117][ T6802] ext4_mkdir+0x5e0/0xdf0 [ 59.688446][ T6802] ? ext4_rmdir+0xde0/0xde0 [ 59.692930][ T6802] ? security_inode_permission+0xc4/0xf0 [ 59.698563][ T6802] vfs_mkdir+0x419/0x690 [ 59.702786][ T6802] do_mkdirat+0x21e/0x280 [ 59.707108][ T6802] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.711956][ T6802] ? do_syscall_64+0x1c/0xe0 [ 59.716523][ T6802] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.722481][ T6802] do_syscall_64+0x60/0xe0 [ 59.726874][ T6802] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.732756][ T6802] RIP: 0033:0x45bee7 [ 59.736653][ T6802] Code: Bad RIP value. [ 59.740694][ T6802] RSP: 002b:00007ffdf49e1dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 59.749090][ T6802] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 59.757057][ T6802] RDX: 0000000000000002 RSI: 00000000000001c0 RDI: 00007ffdf49e1fa0 [ 59.765005][ T6802] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000002940 [ 59.772974][ T6802] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 59.781012][ T6802] R13: 00007ffdf49e1fa0 R14: 8421084210842109 R15: 00007ffdf49e1fac [ 59.861979][ T6803] IPVS: ftp: loaded support on port[0] = 21 [ 59.897073][ T6803] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6803 [ 59.906509][ T6803] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.912386][ T6803] CPU: 0 PID: 6803 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 59.921821][ T6803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.931970][ T6803] Call Trace: [ 59.935263][ T6803] dump_stack+0x18f/0x20d [ 59.939595][ T6803] check_preemption_disabled+0x20d/0x220 [ 59.945220][ T6803] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.950422][ T6803] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.955882][ T6803] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.961586][ T6803] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.966871][ T6803] ? ext4_ext_release+0x10/0x10 [ 59.971724][ T6803] ? down_write_killable+0x170/0x170 [ 59.977001][ T6803] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.982437][ T6803] ext4_map_blocks+0x4cb/0x1640 [ 59.987285][ T6803] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.992459][ T6803] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.998001][ T6803] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.003957][ T6803] ? prandom_u32_state+0xe/0x170 [ 60.008873][ T6803] ? __brelse+0x84/0xa0 [ 60.013006][ T6803] ? __ext4_new_inode+0x144/0x55e0 [ 60.018102][ T6803] ext4_getblk+0xad/0x520 [ 60.022409][ T6803] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.028113][ T6803] ? ext4_free_inode+0x1700/0x1700 [ 60.033211][ T6803] ext4_bread+0x7c/0x380 [ 60.037431][ T6803] ? ext4_getblk+0x520/0x520 [ 60.041999][ T6803] ? dquot_get_next_dqblk+0x180/0x180 [ 60.047369][ T6803] ext4_append+0x153/0x360 [ 60.051770][ T6803] ext4_mkdir+0x5e0/0xdf0 [ 60.056091][ T6803] ? ext4_rmdir+0xde0/0xde0 [ 60.060574][ T6803] ? security_inode_permission+0xc4/0xf0 [ 60.066210][ T6803] vfs_mkdir+0x419/0x690 [ 60.070433][ T6803] do_mkdirat+0x21e/0x280 [ 60.074739][ T6803] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.079584][ T6803] ? do_syscall_64+0x1c/0xe0 [ 60.084166][ T6803] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.090129][ T6803] do_syscall_64+0x60/0xe0 [ 60.094522][ T6803] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.100390][ T6803] RIP: 0033:0x45bee7 [ 60.104256][ T6803] Code: Bad RIP value. [ 60.108295][ T6803] RSP: 002b:00007ffdf49e1cb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 60.116678][ T6803] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 60.124623][ T6803] RDX: 00007ffdf49e1d03 RSI: 00000000000001ff RDI: 00007ffdf49e1d00 [ 60.132585][ T6803] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 60.140546][ T6803] R10: 0000000000000064 R11: 0000000000000206 R12: 00000000004185d0 [ 60.148494][ T6803] R13: 00007ffdf49e1cf0 R14: 0000000000000000 R15: 00007ffdf49e1d00 [ 60.200517][ T6803] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6803 [ 60.210162][ T6803] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.216137][ T6803] CPU: 0 PID: 6803 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 60.225578][ T6803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.235629][ T6803] Call Trace: [ 60.238928][ T6803] dump_stack+0x18f/0x20d [ 60.243268][ T6803] check_preemption_disabled+0x20d/0x220 [ 60.248913][ T6803] ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.254051][ T6803] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.259516][ T6803] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.265248][ T6803] ext4_ext_map_blocks+0x201b/0x33e0 [ 60.270544][ T6803] ? ext4_ext_release+0x10/0x10 [ 60.275424][ T6803] ? down_write_killable+0x170/0x170 [ 60.280714][ T6803] ? ext4_es_lookup_extent+0x41d/0xd10 [ 60.286187][ T6803] ext4_map_blocks+0x4cb/0x1640 [ 60.291033][ T6803] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.296313][ T6803] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.301841][ T6803] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.307817][ T6803] ? prandom_u32_state+0xe/0x170 [ 60.312749][ T6803] ? __brelse+0x84/0xa0 [ 60.316903][ T6803] ? __ext4_new_inode+0x144/0x55e0 [ 60.321991][ T6803] ext4_getblk+0xad/0x520 [ 60.326318][ T6803] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.332016][ T6803] ? ext4_free_inode+0x1700/0x1700 [ 60.337105][ T6803] ext4_bread+0x7c/0x380 [ 60.341338][ T6803] ? ext4_getblk+0x520/0x520 [ 60.345907][ T6803] ? dquot_get_next_dqblk+0x180/0x180 [ 60.351258][ T6803] ext4_append+0x153/0x360 [ 60.355657][ T6803] ext4_mkdir+0x5e0/0xdf0 [ 60.359970][ T6803] ? ext4_rmdir+0xde0/0xde0 [ 60.364451][ T6803] ? security_inode_permission+0xc4/0xf0 [ 60.370064][ T6803] vfs_mkdir+0x419/0x690 [ 60.374299][ T6803] do_mkdirat+0x21e/0x280 [ 60.378622][ T6803] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.383449][ T6803] ? do_syscall_64+0x1c/0xe0 [ 60.388024][ T6803] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.393980][ T6803] do_syscall_64+0x60/0xe0 2020/06/06 06:23:42 building call list... [ 60.398375][ T6803] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.404242][ T6803] RIP: 0033:0x45bee7 [ 60.408125][ T6803] Code: Bad RIP value. [ 60.412173][ T6803] RSP: 002b:00007ffdf49e1cb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 60.420578][ T6803] RAX: ffffffffffffffda RBX: 000000000000eb1c RCX: 000000000045bee7 [ 60.428643][ T6803] RDX: 00007ffdf49e1d03 RSI: 00000000000001ff RDI: 00007ffdf49e1d00 [ 60.436596][ T6803] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 60.444550][ T6803] R10: 0000000000000064 R11: 0000000000000206 R12: 0000000000000003 [ 60.452501][ T6803] R13: 00007ffdf49e1cf0 R14: 000000000000eb11 R15: 00007ffdf49e1d00 [ 60.658366][ T270] tipc: TX() has been purged, node left! executing program [ 62.133626][ T6788] can: request_module (can-proto-0) failed. [ 62.307044][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 62.316062][ T7] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.322083][ T7] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 62.331089][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.341144][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 62.347118][ T7] Call Trace: [ 62.350424][ T7] dump_stack+0x18f/0x20d [ 62.354755][ T7] check_preemption_disabled+0x20d/0x220 [ 62.360398][ T7] ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.365509][ T7] ? ext4_find_extent+0x81a/0xad0 [ 62.370539][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.375995][ T7] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 62.381729][ T7] ext4_ext_map_blocks+0x201b/0x33e0 [ 62.387019][ T7] ? ext4_ext_release+0x10/0x10 [ 62.391885][ T7] ? down_write_killable+0x170/0x170 [ 62.397166][ T7] ? ext4_es_lookup_extent+0x41d/0xd10 [ 62.403234][ T7] ext4_map_blocks+0x4cb/0x1640 [ 62.408087][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.413287][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.418892][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.425028][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 62.430491][ T7] ext4_writepages+0x1a7b/0x33c0 [ 62.435459][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 62.441090][ T7] ? __lock_acquire+0x2224/0x48b0 [ 62.446116][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 62.452093][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 62.458068][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 62.463697][ T7] ? do_writepages+0xfa/0x2a0 [ 62.468354][ T7] do_writepages+0xfa/0x2a0 [ 62.472946][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 62.478567][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.484091][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.490051][ T7] ? lock_downgrade+0x840/0x840 [ 62.494881][ T7] __writeback_single_inode+0x12a/0x13d0 [ 62.500493][ T7] ? _raw_spin_unlock+0x24/0x40 [ 62.505320][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 62.511295][ T7] writeback_sb_inodes+0x515/0xdc0 [ 62.516390][ T7] ? __writeback_single_inode+0x13d0/0x13d0 [ 62.522272][ T7] __writeback_inodes_wb+0xc3/0x250 [ 62.527452][ T7] wb_writeback+0x8db/0xd50 [ 62.531951][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 62.538272][ T7] ? cpumask_next+0x3c/0x40 [ 62.542768][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 62.547946][ T7] wb_workfn+0x9bc/0x1090 [ 62.552268][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 62.557793][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.563327][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.569288][ T7] process_one_work+0x965/0x1690 [ 62.574220][ T7] ? lock_release+0x800/0x800 [ 62.578878][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 62.584242][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 62.589207][ T7] worker_thread+0x96/0xe10 [ 62.593714][ T7] ? process_one_work+0x1690/0x1690 [ 62.598906][ T7] kthread+0x3b5/0x4a0 [ 62.602966][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.608665][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.614395][ T7] ret_from_fork+0x1f/0x30 [ 62.622552][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 62.631719][ T7] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.637620][ T7] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 62.646643][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.656689][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 62.662646][ T7] Call Trace: [ 62.665923][ T7] dump_stack+0x18f/0x20d [ 62.670236][ T7] check_preemption_disabled+0x20d/0x220 [ 62.675872][ T7] ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.680977][ T7] ? ext4_find_extent+0x81a/0xad0 [ 62.685996][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.691449][ T7] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 62.697154][ T7] ext4_ext_map_blocks+0x201b/0x33e0 [ 62.702443][ T7] ? ext4_ext_release+0x10/0x10 [ 62.707286][ T7] ? down_write_killable+0x170/0x170 [ 62.714980][ T7] ? ext4_es_lookup_extent+0x41d/0xd10 [ 62.720429][ T7] ext4_map_blocks+0x4cb/0x1640 [ 62.725275][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.730455][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.736008][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.741981][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 62.747419][ T7] ext4_writepages+0x1a7b/0x33c0 [ 62.752352][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 62.758048][ T7] ? __lock_acquire+0x2224/0x48b0 [ 62.763111][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 62.769085][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 62.775059][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 62.780682][ T7] ? do_writepages+0xfa/0x2a0 [ 62.785448][ T7] do_writepages+0xfa/0x2a0 [ 62.789936][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 62.795552][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.801136][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.807112][ T7] ? lock_downgrade+0x840/0x840 [ 62.811949][ T7] __writeback_single_inode+0x12a/0x13d0 [ 62.817585][ T7] ? _raw_spin_unlock+0x24/0x40 [ 62.822418][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 62.828382][ T7] writeback_sb_inodes+0x515/0xdc0 [ 62.833481][ T7] ? __writeback_single_inode+0x13d0/0x13d0 [ 62.839381][ T7] __writeback_inodes_wb+0xc3/0x250 [ 62.844566][ T7] wb_writeback+0x8db/0xd50 [ 62.849056][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 62.855371][ T7] ? cpumask_next+0x3c/0x40 [ 62.859854][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 62.865045][ T7] wb_workfn+0x9bc/0x1090 [ 62.869372][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 62.874903][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.880426][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.886393][ T7] process_one_work+0x965/0x1690 [ 62.891328][ T7] ? lock_release+0x800/0x800 [ 62.895997][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 62.901365][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 62.906288][ T7] worker_thread+0x96/0xe10 [ 62.910794][ T7] ? process_one_work+0x1690/0x1690 [ 62.915974][ T7] kthread+0x3b5/0x4a0 [ 62.920019][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.925717][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.931434][ T7] ret_from_fork+0x1f/0x30 [ 62.950422][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 62.959811][ T7] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.965825][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 62.974839][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.984883][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 62.990839][ T7] Call Trace: [ 62.994114][ T7] dump_stack+0x18f/0x20d [ 62.998453][ T7] check_preemption_disabled+0x20d/0x220 [ 63.004066][ T7] ext4_mb_new_blocks+0xa4d/0x3b70 [ 63.009154][ T7] ? ext4_find_extent+0x81a/0xad0 [ 63.014160][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.019612][ T7] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 63.025403][ T7] ext4_ext_map_blocks+0x201b/0x33e0 [ 63.030674][ T7] ? ext4_ext_release+0x10/0x10 [ 63.035513][ T7] ? down_write_killable+0x170/0x170 [ 63.040776][ T7] ? ext4_es_lookup_extent+0x41d/0xd10 [ 63.046216][ T7] ext4_map_blocks+0x4cb/0x1640 [ 63.051063][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.056243][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.061768][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.067725][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.073167][ T7] ext4_writepages+0x1a7b/0x33c0 [ 63.078096][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 63.083709][ T7] ? __lock_acquire+0x2224/0x48b0 [ 63.088737][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 63.094695][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 63.100678][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 63.106287][ T7] ? do_writepages+0xfa/0x2a0 [ 63.110942][ T7] do_writepages+0xfa/0x2a0 [ 63.115446][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 63.121072][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.126596][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.132570][ T7] ? lock_downgrade+0x840/0x840 [ 63.137402][ T7] __writeback_single_inode+0x12a/0x13d0 [ 63.143017][ T7] ? _raw_spin_unlock+0x24/0x40 [ 63.147844][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 63.153803][ T7] writeback_sb_inodes+0x515/0xdc0 [ 63.158900][ T7] ? __writeback_single_inode+0x13d0/0x13d0 [ 63.164789][ T7] __writeback_inodes_wb+0xc3/0x250 [ 63.169968][ T7] wb_writeback+0x8db/0xd50 [ 63.174473][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 63.180783][ T7] ? cpumask_next+0x3c/0x40 [ 63.185280][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 63.190457][ T7] wb_workfn+0x9bc/0x1090 [ 63.194772][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 63.200299][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.205824][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.211806][ T7] process_one_work+0x965/0x1690 [ 63.216727][ T7] ? lock_release+0x800/0x800 [ 63.221385][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 63.226735][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 63.231657][ T7] worker_thread+0x96/0xe10 [ 63.236146][ T7] ? process_one_work+0x1690/0x1690 [ 63.241496][ T7] kthread+0x3b5/0x4a0 [ 63.245542][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.251236][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.256935][ T7] ret_from_fork+0x1f/0x30 [ 63.263199][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 63.272659][ T7] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 63.278637][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 63.287660][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.297703][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 63.303658][ T7] Call Trace: [ 63.306934][ T7] dump_stack+0x18f/0x20d [ 63.311259][ T7] check_preemption_disabled+0x20d/0x220 [ 63.316886][ T7] ext4_mb_new_blocks+0xa4d/0x3b70 [ 63.321983][ T7] ? ext4_find_extent+0x81a/0xad0 [ 63.326989][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.332424][ T7] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 63.338123][ T7] ext4_ext_map_blocks+0x201b/0x33e0 [ 63.343393][ T7] ? ext4_ext_release+0x10/0x10 [ 63.348238][ T7] ? down_write_killable+0x170/0x170 [ 63.353517][ T7] ? ext4_es_lookup_extent+0x41d/0xd10 [ 63.358958][ T7] ext4_map_blocks+0x4cb/0x1640 [ 63.363804][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.369000][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.374522][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.380477][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.385922][ T7] ext4_writepages+0x1a7b/0x33c0 [ 63.390867][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 63.396476][ T7] ? __lock_acquire+0x2224/0x48b0 [ 63.401500][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 63.407460][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 63.413434][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 63.419050][ T7] ? do_writepages+0xfa/0x2a0 [ 63.423704][ T7] do_writepages+0xfa/0x2a0 [ 63.428188][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 63.433816][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.439337][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.445292][ T7] ? lock_downgrade+0x840/0x840 [ 63.450122][ T7] __writeback_single_inode+0x12a/0x13d0 [ 63.455750][ T7] ? _raw_spin_unlock+0x24/0x40 [ 63.460590][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 63.466555][ T7] writeback_sb_inodes+0x515/0xdc0 [ 63.471651][ T7] ? __writeback_single_inode+0x13d0/0x13d0 [ 63.477556][ T7] __writeback_inodes_wb+0xc3/0x250 [ 63.482735][ T7] wb_writeback+0x8db/0xd50 [ 63.487238][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 63.493651][ T7] ? cpumask_next+0x3c/0x40 [ 63.498137][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 63.503314][ T7] wb_workfn+0x9bc/0x1090 [ 63.507628][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 63.513155][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.518693][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.524657][ T7] process_one_work+0x965/0x1690 [ 63.529591][ T7] ? lock_release+0x800/0x800 [ 63.534262][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 63.539761][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 63.544694][ T7] worker_thread+0x96/0xe10 [ 63.549207][ T7] ? process_one_work+0x1690/0x1690 [ 63.554393][ T7] kthread+0x3b5/0x4a0 [ 63.558457][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.564166][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.569870][ T7] ret_from_fork+0x1f/0x30 [ 63.868434][ T6788] can: request_module (can-proto-0) failed. [ 63.879814][ T6788] can: request_module (can-proto-0) failed.