Starting Load/Save RF Kill Switch Status... [ 52.143443][ T6728] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6728 [ 52.152894][ T6728] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 52.158883][ T6728] CPU: 1 PID: 6728 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 52.167090][ T6728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.177140][ T6728] Call Trace: [ 52.180427][ T6728] dump_stack+0x188/0x20d [ 52.184743][ T6728] debug_smp_processor_id.cold+0x88/0x9b [ 52.190363][ T6728] ext4_mb_new_blocks+0xa77/0x3b30 [ 52.195462][ T6728] ? ext4_ext_search_right+0x2ca/0xb20 [ 52.200897][ T6728] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 52.206596][ T6728] ext4_ext_map_blocks+0x2044/0x3410 [ 52.211862][ T6728] ? ext4_ext_release+0x10/0x10 [ 52.216750][ T6728] ? __down_timeout+0x2d0/0x2d0 [ 52.221586][ T6728] ? ext4_es_lookup_extent+0x41d/0xd30 [ 52.227026][ T6728] ext4_map_blocks+0x4cb/0x1640 [ 52.231869][ T6728] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 52.237047][ T6728] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.242584][ T6728] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 52.248539][ T6728] ? prandom_u32_state+0xe/0x170 [ 52.253459][ T6728] ? __brelse+0x84/0xa0 [ 52.257590][ T6728] ? __ext4_new_inode+0x144/0x57c0 [ 52.262677][ T6728] ext4_getblk+0xad/0x520 [ 52.266985][ T6728] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 52.272689][ T6728] ? ext4_free_inode+0x17e0/0x17e0 [ 52.277778][ T6728] ext4_bread+0x7c/0x380 [ 52.281996][ T6728] ? ext4_getblk+0x520/0x520 [ 52.286573][ T6728] ? dqget+0xff0/0xff0 [ 52.290630][ T6728] ext4_append+0x153/0x360 [ 52.295034][ T6728] ext4_mkdir+0x5e0/0xdf0 [ 52.299369][ T6728] ? ext4_rmdir+0xde0/0xde0 [ 52.303857][ T6728] ? security_inode_permission+0xc4/0xf0 [ 52.309469][ T6728] vfs_mkdir+0x419/0x690 [ 52.313691][ T6728] do_mkdirat+0x21e/0x280 [ 52.318009][ T6728] ? __ia32_sys_mknod+0xb0/0xb0 [ 52.322844][ T6728] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 52.328810][ T6728] ? do_syscall_64+0x21/0x7d0 [ 52.333463][ T6728] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 52.339419][ T6728] do_syscall_64+0xf6/0x7d0 [ 52.343913][ T6728] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 52.349794][ T6728] RIP: 0033:0x7fa54c539687 [ 52.354194][ T6728] 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 [ 52.373784][ T6728] RSP: 002b:00007ffe739293a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 52.382186][ T6728] RAX: ffffffffffffffda RBX: 00005556e48de985 RCX: 00007fa54c539687 [ 52.390143][ T6728] RDX: 00007ffe73929270 RSI: 00000000000001ed RDI: 00005556e48de985 [ 52.398094][ T6728] RBP: 00007fa54c539680 R08: 0000000000000100 R09: 0000000000000000 [ 52.406050][ T6728] R10: 00005556e48de980 R11: 0000000000000246 R12: 00000000000001ed [ 52.413996][ T6728] R13: 00007ffe73929530 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 56.232632][ T4048] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:6/4048 [ 56.241879][ T4048] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 56.247919][ T4048] CPU: 1 PID: 4048 Comm: kworker/u4:6 Not tainted 5.7.0-syzkaller #0 [ 56.255986][ T4048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.266077][ T4048] Workqueue: writeback wb_workfn (flush-8:0) [ 56.272044][ T4048] Call Trace: [ 56.275328][ T4048] dump_stack+0x188/0x20d [ 56.279641][ T4048] debug_smp_processor_id.cold+0x88/0x9b [ 56.285275][ T4048] ext4_mb_new_blocks+0xa77/0x3b30 [ 56.290365][ T4048] ? __kmalloc+0x62f/0x7a0 [ 56.294768][ T4048] ? ext4_ext_search_right+0x2ca/0xb20 [ 56.300200][ T4048] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 56.310682][ T4048] ext4_ext_map_blocks+0x2044/0x3410 [ 56.315964][ T4048] ? ext4_ext_release+0x10/0x10 [ 56.320803][ T4048] ? __down_timeout+0x2d0/0x2d0 [ 56.325629][ T4048] ? ext4_es_lookup_extent+0x41d/0xd30 [ 56.331063][ T4048] ? debug_smp_processor_id+0x2f/0x185 [ 56.336499][ T4048] ext4_map_blocks+0x4cb/0x1640 [ 56.341345][ T4048] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 56.346519][ T4048] ? debug_smp_processor_id+0x2f/0x185 [ 56.351956][ T4048] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.357478][ T4048] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.363449][ T4048] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 56.368899][ T4048] ext4_writepages+0x1ab7/0x3400 [ 56.373835][ T4048] ? __ext4_mark_inode_dirty+0x950/0x950 [ 56.379449][ T4048] ? __lock_acquire+0x2224/0x48a0 [ 56.384475][ T4048] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.390463][ T4048] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.396606][ T4048] ? __ext4_mark_inode_dirty+0x950/0x950 [ 56.402220][ T4048] ? do_writepages+0xfa/0x2a0 [ 56.406882][ T4048] do_writepages+0xfa/0x2a0 [ 56.411365][ T4048] ? page_writeback_cpu_online+0x10/0x10 [ 56.416973][ T4048] ? debug_smp_processor_id+0x2f/0x185 [ 56.422411][ T4048] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.427990][ T4048] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.433948][ T4048] ? lock_downgrade+0x840/0x840 [ 56.438788][ T4048] __writeback_single_inode+0x12a/0x1410 [ 56.444406][ T4048] ? _raw_spin_unlock+0x24/0x40 [ 56.449244][ T4048] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 56.455234][ T4048] writeback_sb_inodes+0x515/0xdd0 [ 56.460368][ T4048] ? __writeback_single_inode+0x1410/0x1410 [ 56.466254][ T4048] __writeback_inodes_wb+0xc3/0x250 [ 56.471447][ T4048] wb_writeback+0x910/0xd90 [ 56.476005][ T4048] ? print_usage_bug+0x240/0x240 [ 56.480941][ T4048] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 56.487258][ T4048] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 56.493153][ T4048] ? cpumask_next+0x3c/0x40 [ 56.497667][ T4048] ? get_nr_dirty_inodes+0xd6/0x130 [ 56.502851][ T4048] wb_workfn+0xadf/0x10d0 [ 56.507164][ T4048] ? inode_wait_for_writeback+0x30/0x30 [ 56.512705][ T4048] ? debug_smp_processor_id+0x2f/0x185 [ 56.518194][ T4048] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.523827][ T4048] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.529807][ T4048] process_one_work+0x965/0x16a0 [ 56.534824][ T4048] ? lock_release+0x800/0x800 [ 56.539585][ T4048] ? pwq_dec_nr_in_flight+0x310/0x310 [ 56.544955][ T4048] ? rwlock_bug.part.0+0x90/0x90 [ 56.549896][ T4048] worker_thread+0x96/0xe10 [ 56.554411][ T4048] ? process_one_work+0x16a0/0x16a0 [ 56.559623][ T4048] kthread+0x388/0x470 [ 56.564132][ T4048] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.570118][ T4048] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.575840][ T4048] ret_from_fork+0x24/0x30 Warning: Permanently added '10.128.0.90' (ECDSA) to the list of known hosts. 2020/06/14 11:22:10 fuzzer started [ 57.117707][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 57.127261][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.133254][ T1155] CPU: 0 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 57.141257][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.151403][ T1155] Call Trace: [ 57.154707][ T1155] dump_stack+0x188/0x20d [ 57.159052][ T1155] debug_smp_processor_id.cold+0x88/0x9b [ 57.164694][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.169814][ T1155] ? __kmalloc+0x62f/0x7a0 [ 57.174254][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.179854][ T1155] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.185681][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 57.191001][ T1155] ? ext4_ext_release+0x10/0x10 [ 57.196389][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 57.201279][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.206745][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 57.211596][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.216801][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 57.222353][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.227998][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.234077][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.239548][ T1155] ext4_writepages+0x1ab7/0x3400 [ 57.244660][ T1155] ? mark_lock+0x30/0xdd0 [ 57.249030][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 57.254660][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 57.260286][ T1155] ? do_writepages+0xfa/0x2a0 [ 57.264969][ T1155] do_writepages+0xfa/0x2a0 [ 57.269470][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 57.275299][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 57.280319][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 57.285533][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 57.290374][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 57.296077][ T1155] ? collapse_file+0x3575/0x4300 [ 57.301033][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 57.307095][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 57.312451][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.318429][ T1155] collapse_file+0x357f/0x4300 [ 57.323203][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 57.328563][ T1155] ? khugepaged+0x24fa/0x3f80 [ 57.333237][ T1155] khugepaged+0x3049/0x3f80 [ 57.337740][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 57.343357][ T1155] ? lock_downgrade+0x840/0x840 [ 57.348202][ T1155] ? finish_wait+0x260/0x260 [ 57.352790][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 57.358597][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 2020/06/14 11:22:10 connecting to host at 10.128.0.26:40975 2020/06/14 11:22:10 checking machine... 2020/06/14 11:22:10 checking revisions... [ 57.365275][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 57.371027][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 57.376700][ T1155] kthread+0x388/0x470 [ 57.380779][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.386503][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.392394][ T1155] ret_from_fork+0x24/0x30 2020/06/14 11:22:10 testing simple program... [ 57.507230][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 57.516606][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.522588][ T1155] CPU: 0 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 57.530576][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.540636][ T1155] Call Trace: [ 57.543926][ T1155] dump_stack+0x188/0x20d [ 57.548268][ T1155] debug_smp_processor_id.cold+0x88/0x9b [ 57.554083][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.559302][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.564790][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 57.571295][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 57.576587][ T1155] ? ext4_ext_release+0x10/0x10 [ 57.581458][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 57.586309][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.592035][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 57.597165][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.602539][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 57.608006][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.613551][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.619616][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.625076][ T1155] ext4_writepages+0x1ab7/0x3400 [ 57.630013][ T1155] ? mark_lock+0x30/0xdd0 [ 57.634356][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 57.640023][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 57.645659][ T1155] ? do_writepages+0xfa/0x2a0 [ 57.650331][ T1155] do_writepages+0xfa/0x2a0 [ 57.654842][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 57.660475][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 57.665497][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 57.670692][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 57.675546][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 57.681265][ T1155] ? collapse_file+0x3575/0x4300 [ 57.686239][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 57.692316][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 57.697512][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.703497][ T1155] collapse_file+0x357f/0x4300 [ 57.708277][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 57.713648][ T1155] ? khugepaged+0x24fa/0x3f80 [ 57.718343][ T1155] khugepaged+0x3049/0x3f80 [ 57.722865][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 57.728509][ T1155] ? lock_downgrade+0x840/0x840 [ 57.733362][ T1155] ? finish_wait+0x260/0x260 [ 57.737950][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 57.743755][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.749737][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 57.754767][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 57.760405][ T1155] kthread+0x388/0x470 [ 57.764473][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.770185][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.775904][ T1155] ret_from_fork+0x24/0x30 [ 57.805611][ T6806] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6806 [ 57.815077][ T6806] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.820955][ T6806] CPU: 1 PID: 6806 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 57.828831][ T6806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.839009][ T6806] Call Trace: [ 57.842284][ T6806] dump_stack+0x188/0x20d [ 57.846614][ T6806] debug_smp_processor_id.cold+0x88/0x9b [ 57.852221][ T6806] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.857314][ T6806] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.862766][ T6806] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.868474][ T6806] ext4_ext_map_blocks+0x2044/0x3410 [ 57.873753][ T6806] ? ext4_ext_release+0x10/0x10 [ 57.878614][ T6806] ? __down_timeout+0x2d0/0x2d0 [ 57.883451][ T6806] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.888890][ T6806] ext4_map_blocks+0x4cb/0x1640 [ 57.893721][ T6806] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.898904][ T6806] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.904438][ T6806] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.910390][ T6806] ? prandom_u32_state+0xe/0x170 [ 57.915307][ T6806] ? __brelse+0x84/0xa0 [ 57.919438][ T6806] ? __ext4_new_inode+0x144/0x57c0 [ 57.924527][ T6806] ext4_getblk+0xad/0x520 [ 57.928836][ T6806] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 57.934547][ T6806] ? ext4_free_inode+0x17e0/0x17e0 [ 57.939644][ T6806] ext4_bread+0x7c/0x380 [ 57.943864][ T6806] ? ext4_getblk+0x520/0x520 [ 57.948436][ T6806] ? dqget+0xff0/0xff0 [ 57.952496][ T6806] ext4_append+0x153/0x360 [ 57.956894][ T6806] ext4_mkdir+0x5e0/0xdf0 [ 57.961828][ T6806] ? ext4_rmdir+0xde0/0xde0 [ 57.966336][ T6806] ? security_inode_permission+0xc4/0xf0 [ 57.972129][ T6806] vfs_mkdir+0x419/0x690 [ 57.976358][ T6806] do_mkdirat+0x21e/0x280 [ 57.980673][ T6806] ? __ia32_sys_mknod+0xb0/0xb0 [ 57.985689][ T6806] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.991658][ T6806] ? do_syscall_64+0x21/0x7d0 [ 57.996312][ T6806] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.002299][ T6806] do_syscall_64+0xf6/0x7d0 [ 58.006805][ T6806] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.012765][ T6806] RIP: 0033:0x4b02a0 [ 58.016654][ T6806] 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 [ 58.036263][ T6806] RSP: 002b:000000c0000df4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 58.044671][ T6806] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 58.052639][ T6806] RDX: 00000000000001c0 RSI: 000000c00009ec00 RDI: ffffffffffffff9c [ 58.060585][ T6806] RBP: 000000c0000df510 R08: 0000000000000000 R09: 0000000000000000 [ 58.068552][ T6806] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 58.076519][ T6806] R13: 0000000000000061 R14: 0000000000000060 R15: 0000000000000100 [ 58.098037][ T6810] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6810 [ 58.107278][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 58.107531][ T6810] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.116531][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.122437][ T6810] CPU: 1 PID: 6810 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 58.136515][ T6810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.146559][ T6810] Call Trace: [ 58.149840][ T6810] dump_stack+0x188/0x20d [ 58.154431][ T6810] debug_smp_processor_id.cold+0x88/0x9b [ 58.160046][ T6810] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.165248][ T6810] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.170691][ T6810] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.176659][ T6810] ext4_ext_map_blocks+0x2044/0x3410 [ 58.181934][ T6810] ? ext4_ext_release+0x10/0x10 [ 58.186886][ T6810] ? __down_timeout+0x2d0/0x2d0 [ 58.191748][ T6810] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.197231][ T6810] ext4_map_blocks+0x4cb/0x1640 [ 58.202080][ T6810] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.207268][ T6810] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.212800][ T6810] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.218851][ T6810] ? prandom_u32_state+0xe/0x170 [ 58.223782][ T6810] ? __brelse+0x84/0xa0 [ 58.228267][ T6810] ? __ext4_new_inode+0x144/0x57c0 [ 58.234680][ T6810] ext4_getblk+0xad/0x520 [ 58.239010][ T6810] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.244720][ T6810] ? ext4_free_inode+0x17e0/0x17e0 [ 58.249950][ T6810] ext4_bread+0x7c/0x380 [ 58.254180][ T6810] ? ext4_getblk+0x520/0x520 [ 58.259128][ T6810] ? dqget+0xff0/0xff0 [ 58.263271][ T6810] ext4_append+0x153/0x360 [ 58.268994][ T6810] ext4_mkdir+0x5e0/0xdf0 [ 58.273753][ T6810] ? ext4_rmdir+0xde0/0xde0 [ 58.278243][ T6810] ? security_inode_permission+0xc4/0xf0 [ 58.283863][ T6810] vfs_mkdir+0x419/0x690 [ 58.288092][ T6810] do_mkdirat+0x21e/0x280 [ 58.292513][ T6810] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.297910][ T6810] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.303874][ T6810] ? do_syscall_64+0x21/0x7d0 [ 58.308534][ T6810] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.314515][ T6810] do_syscall_64+0xf6/0x7d0 [ 58.319357][ T6810] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.325317][ T6810] RIP: 0033:0x45bee7 [ 58.329218][ T6810] 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 [ 58.349945][ T6810] RSP: 002b:00007ffe699ccda8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 58.358348][ T6810] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 58.366299][ T6810] RDX: 0000000000000002 RSI: 00000000000001c0 RDI: 00007ffe699ccf80 [ 58.374268][ T6810] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000002ac0 [ 58.382220][ T6810] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 58.390180][ T6810] R13: 00007ffe699ccf80 R14: 8421084210842109 R15: 00007ffe699ccf8c [ 58.398167][ T1155] CPU: 0 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 58.406064][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.416123][ T1155] Call Trace: [ 58.419419][ T1155] dump_stack+0x188/0x20d [ 58.423759][ T1155] debug_smp_processor_id.cold+0x88/0x9b [ 58.429396][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.434528][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.440086][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 58.446238][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 58.451533][ T1155] ? ext4_ext_release+0x10/0x10 [ 58.456399][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 58.461254][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.466741][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 58.471603][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.476798][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 58.482269][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.487814][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.493882][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 58.499345][ T1155] ext4_writepages+0x1ab7/0x3400 [ 58.504290][ T1155] ? mark_lock+0x30/0xdd0 [ 58.508641][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 58.511274][ T6811] IPVS: ftp: loaded support on port[0] = 21 [ 58.514292][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 58.514306][ T1155] ? do_writepages+0xfa/0x2a0 [ 58.514318][ T1155] do_writepages+0xfa/0x2a0 [ 58.514337][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 58.540580][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 58.545627][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 58.550834][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 58.555711][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 58.561438][ T1155] ? collapse_file+0x3575/0x4300 [ 58.566387][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 58.572495][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 58.576077][ T6811] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6811 [ 58.577784][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.587203][ T6811] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.593098][ T1155] collapse_file+0x357f/0x4300 [ 58.593129][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 58.593143][ T1155] ? khugepaged+0x24fa/0x3f80 [ 58.593177][ T1155] khugepaged+0x3049/0x3f80 [ 58.618398][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 58.624020][ T1155] ? lock_downgrade+0x840/0x840 [ 58.628870][ T1155] ? finish_wait+0x260/0x260 [ 58.633618][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 58.639404][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.645470][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 58.650479][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 58.656092][ T1155] kthread+0x388/0x470 [ 58.660139][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.665838][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.671542][ T1155] ret_from_fork+0x24/0x30 [ 58.676910][ T6811] CPU: 1 PID: 6811 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 58.685267][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.695322][ T6811] Call Trace: [ 58.698615][ T6811] dump_stack+0x188/0x20d [ 58.702967][ T6811] debug_smp_processor_id.cold+0x88/0x9b [ 58.708649][ T6811] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.713780][ T6811] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.719238][ T6811] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.725148][ T6811] ext4_ext_map_blocks+0x2044/0x3410 [ 58.730413][ T6811] ? ext4_ext_release+0x10/0x10 [ 58.735382][ T6811] ? __down_timeout+0x2d0/0x2d0 [ 58.740214][ T6811] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.745658][ T6811] ext4_map_blocks+0x4cb/0x1640 [ 58.750494][ T6811] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.755687][ T6811] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.761223][ T6811] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.767192][ T6811] ? prandom_u32_state+0xe/0x170 [ 58.772132][ T6811] ? __brelse+0x84/0xa0 [ 58.776285][ T6811] ? __ext4_new_inode+0x144/0x57c0 [ 58.781393][ T6811] ext4_getblk+0xad/0x520 [ 58.785700][ T6811] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.791408][ T6811] ? ext4_free_inode+0x17e0/0x17e0 [ 58.796499][ T6811] ext4_bread+0x7c/0x380 [ 58.800740][ T6811] ? ext4_getblk+0x520/0x520 [ 58.805307][ T6811] ? dqget+0xff0/0xff0 [ 58.809377][ T6811] ext4_append+0x153/0x360 [ 58.813784][ T6811] ext4_mkdir+0x5e0/0xdf0 [ 58.818103][ T6811] ? ext4_rmdir+0xde0/0xde0 [ 58.822592][ T6811] ? security_inode_permission+0xc4/0xf0 [ 58.828218][ T6811] vfs_mkdir+0x419/0x690 [ 58.832449][ T6811] do_mkdirat+0x21e/0x280 [ 58.836767][ T6811] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.841592][ T6811] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.847547][ T6811] ? do_syscall_64+0x21/0x7d0 [ 58.852286][ T6811] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.858256][ T6811] do_syscall_64+0xf6/0x7d0 [ 58.862738][ T6811] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.868605][ T6811] RIP: 0033:0x45bee7 [ 58.872489][ T6811] 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 [ 58.892094][ T6811] RSP: 002b:00007ffe699ccc98 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 58.900491][ T6811] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 58.908447][ T6811] RDX: 00007ffe699ccce3 RSI: 00000000000001ff RDI: 00007ffe699ccce0 [ 58.916393][ T6811] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 58.927116][ T6811] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185d0 [ 58.935079][ T6811] R13: 00007ffe699cccd0 R14: 0000000000000000 R15: 00007ffe699ccce0 [ 59.001934][ T6811] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6811 [ 59.011347][ T6811] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.017385][ T6811] CPU: 1 PID: 6811 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.025739][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.035795][ T6811] Call Trace: [ 59.039096][ T6811] dump_stack+0x188/0x20d [ 59.043483][ T6811] debug_smp_processor_id.cold+0x88/0x9b [ 59.049118][ T6811] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.054331][ T6811] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.059846][ T6811] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.065663][ T6811] ext4_ext_map_blocks+0x2044/0x3410 [ 59.070957][ T6811] ? ext4_ext_release+0x10/0x10 [ 59.075958][ T6811] ? __down_timeout+0x2d0/0x2d0 [ 59.080796][ T6811] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.086255][ T6811] ext4_map_blocks+0x4cb/0x1640 [ 59.091099][ T6811] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.096306][ T6811] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.101829][ T6811] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.107785][ T6811] ? prandom_u32_state+0xe/0x170 [ 59.112720][ T6811] ? __brelse+0x84/0xa0 [ 59.116864][ T6811] ? __ext4_new_inode+0x144/0x57c0 [ 59.122069][ T6811] ext4_getblk+0xad/0x520 [ 59.126382][ T6811] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.132081][ T6811] ? ext4_free_inode+0x17e0/0x17e0 [ 59.137262][ T6811] ext4_bread+0x7c/0x380 [ 59.141488][ T6811] ? ext4_getblk+0x520/0x520 [ 59.146057][ T6811] ? dqget+0xff0/0xff0 [ 59.150126][ T6811] ext4_append+0x153/0x360 [ 59.154664][ T6811] ext4_mkdir+0x5e0/0xdf0 [ 59.158989][ T6811] ? ext4_rmdir+0xde0/0xde0 [ 59.163475][ T6811] ? security_inode_permission+0xc4/0xf0 [ 59.169088][ T6811] vfs_mkdir+0x419/0x690 [ 59.173313][ T6811] do_mkdirat+0x21e/0x280 [ 59.177741][ T6811] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.182599][ T6811] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.188582][ T6811] ? do_syscall_64+0x21/0x7d0 [ 59.193386][ T6811] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.199466][ T6811] do_syscall_64+0xf6/0x7d0 [ 59.204065][ T6811] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.210087][ T6811] RIP: 0033:0x45bee7 [ 59.213972][ T6811] 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 [ 59.233740][ T6811] RSP: 002b:00007ffe699ccc98 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 59.242142][ T6811] RAX: ffffffffffffffda RBX: 000000000000e66d RCX: 000000000045bee7 2020/06/14 11:22:12 building call list... [ 59.250329][ T6811] RDX: 00007ffe699ccce3 RSI: 00000000000001ff RDI: 00007ffe699ccce0 [ 59.258404][ T6811] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 59.267241][ T6811] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 59.275382][ T6811] R13: 00007ffe699cccd0 R14: 000000000000e66a R15: 00007ffe699ccce0 [ 59.581733][ T4048] tipc: TX() has been purged, node left! executing program [ 60.962087][ T6837] can: request_module (can-proto-0) failed. [ 61.496052][ T6837] can: request_module (can-proto-0) failed. [ 61.508287][ T6837] can: request_module (can-proto-0) failed.