[ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ 51.170106][ T6758] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6758 [ 51.179596][ T6758] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 51.185889][ T6758] CPU: 0 PID: 6758 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 51.194263][ T6758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.204299][ T6758] Call Trace: [ 51.207577][ T6758] dump_stack+0x188/0x20d [ 51.211934][ T6758] debug_smp_processor_id.cold+0x88/0x9b [ 51.217543][ T6758] ext4_mb_new_blocks+0xa77/0x3b30 [ 51.222641][ T6758] ? ext4_ext_search_right+0x2ca/0xb20 [ 51.228073][ T6758] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 51.233771][ T6758] ext4_ext_map_blocks+0x2044/0x3410 [ 51.239038][ T6758] ? ext4_ext_release+0x10/0x10 [ 51.243879][ T6758] ? __down_timeout+0x2d0/0x2d0 [ 51.248893][ T6758] ? ext4_es_lookup_extent+0x41d/0xd30 [ 51.254353][ T6758] ext4_map_blocks+0x4cb/0x1640 [ 51.259183][ T6758] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 51.264371][ T6758] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 51.269908][ T6758] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 51.275862][ T6758] ? prandom_u32_state+0xe/0x170 [ 51.280783][ T6758] ? __brelse+0x84/0xa0 [ 51.284914][ T6758] ? __ext4_new_inode+0x144/0x57c0 [ 51.290060][ T6758] ext4_getblk+0xad/0x520 [ 51.294384][ T6758] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 51.300084][ T6758] ? ext4_free_inode+0x17e0/0x17e0 [ 51.305215][ T6758] ext4_bread+0x7c/0x380 [ 51.309435][ T6758] ? ext4_getblk+0x520/0x520 [ 51.314055][ T6758] ? dqget+0xff0/0xff0 [ 51.318115][ T6758] ext4_append+0x153/0x360 [ 51.322530][ T6758] ext4_mkdir+0x5e0/0xdf0 [ 51.326845][ T6758] ? ext4_rmdir+0xde0/0xde0 [ 51.331328][ T6758] ? security_inode_permission+0xc4/0xf0 [ 51.336975][ T6758] vfs_mkdir+0x419/0x690 [ 51.341197][ T6758] do_mkdirat+0x21e/0x280 [ 51.345501][ T6758] ? __ia32_sys_mknod+0xb0/0xb0 [ 51.350328][ T6758] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 51.356288][ T6758] ? do_syscall_64+0x21/0x7d0 [ 51.360944][ T6758] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 51.366901][ T6758] do_syscall_64+0xf6/0x7d0 [ 51.371384][ T6758] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 51.377291][ T6758] RIP: 0033:0x7f34e04de687 [ 51.381683][ T6758] 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 [ 51.401262][ T6758] RSP: 002b:00007fffba216d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 51.409657][ T6758] RAX: ffffffffffffffda RBX: 000055e41d8bf985 RCX: 00007f34e04de687 [ 51.417627][ T6758] RDX: 00007fffba216c20 RSI: 00000000000001ed RDI: 000055e41d8bf985 [ 51.425574][ T6758] RBP: 00007f34e04de680 R08: 0000000000000100 R09: 0000000000000000 [ 51.433521][ T6758] R10: 000055e41d8bf980 R11: 0000000000000246 R12: 00000000000001ed [ 51.441472][ T6758] R13: 00007fffba216ee0 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 55.179772][ T146] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:3/146 [ 55.188908][ T146] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 55.194918][ T146] CPU: 1 PID: 146 Comm: kworker/u4:3 Not tainted 5.7.0-syzkaller #0 [ 55.202883][ T146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.212953][ T146] Workqueue: writeback wb_workfn (flush-8:0) [ 55.218916][ T146] Call Trace: [ 55.222184][ T146] dump_stack+0x188/0x20d [ 55.226521][ T146] debug_smp_processor_id.cold+0x88/0x9b [ 55.232130][ T146] ext4_mb_new_blocks+0xa77/0x3b30 [ 55.237236][ T146] ? __kmalloc+0x62f/0x7a0 [ 55.241646][ T146] ? ext4_ext_search_right+0x2ca/0xb20 [ 55.247093][ T146] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 55.252793][ T146] ext4_ext_map_blocks+0x2044/0x3410 [ 55.258069][ T146] ? ext4_ext_release+0x10/0x10 [ 55.262904][ T146] ? __down_timeout+0x2d0/0x2d0 [ 55.267755][ T146] ? ext4_es_lookup_extent+0x41d/0xd30 [ 55.273203][ T146] ? debug_smp_processor_id+0x2f/0x185 [ 55.278655][ T146] ext4_map_blocks+0x4cb/0x1640 [ 55.283526][ T146] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 55.288738][ T146] ? debug_smp_processor_id+0x2f/0x185 [ 55.294177][ T146] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 55.300046][ T146] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 55.306020][ T146] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 55.311505][ T146] ext4_writepages+0x1ab7/0x3400 [ 55.316537][ T146] ? __ext4_mark_inode_dirty+0x950/0x950 [ 55.322159][ T146] ? __lock_acquire+0x2224/0x48a0 [ 55.327172][ T146] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 55.333134][ T146] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 55.339098][ T146] ? __ext4_mark_inode_dirty+0x950/0x950 [ 55.344709][ T146] ? do_writepages+0xfa/0x2a0 [ 55.349410][ T146] do_writepages+0xfa/0x2a0 [ 55.353894][ T146] ? page_writeback_cpu_online+0x10/0x10 [ 55.359499][ T146] ? debug_smp_processor_id+0x2f/0x185 [ 55.364939][ T146] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 55.370462][ T146] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 55.376517][ T146] ? lock_downgrade+0x840/0x840 [ 55.381369][ T146] __writeback_single_inode+0x12a/0x1410 [ 55.387003][ T146] ? _raw_spin_unlock+0x24/0x40 [ 55.391830][ T146] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 55.397799][ T146] writeback_sb_inodes+0x515/0xdd0 [ 55.402904][ T146] ? __writeback_single_inode+0x1410/0x1410 [ 55.408783][ T146] __writeback_inodes_wb+0xc3/0x250 [ 55.413974][ T146] wb_writeback+0x910/0xd90 [ 55.418452][ T146] ? print_usage_bug+0x240/0x240 [ 55.423369][ T146] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 55.429683][ T146] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 55.435564][ T146] ? cpumask_next+0x3c/0x40 [ 55.440058][ T146] ? get_nr_dirty_inodes+0xd6/0x130 [ 55.445234][ T146] wb_workfn+0xadf/0x10d0 [ 55.449544][ T146] ? inode_wait_for_writeback+0x30/0x30 [ 55.455061][ T146] ? debug_smp_processor_id+0x2f/0x185 [ 55.460510][ T146] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 55.466042][ T146] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 55.472000][ T146] process_one_work+0x965/0x16a0 [ 55.476918][ T146] ? lock_release+0x800/0x800 [ 55.481569][ T146] ? pwq_dec_nr_in_flight+0x310/0x310 [ 55.486925][ T146] ? rwlock_bug.part.0+0x90/0x90 [ 55.491844][ T146] worker_thread+0x96/0xe10 [ 55.496325][ T146] ? process_one_work+0x16a0/0x16a0 [ 55.501504][ T146] kthread+0x388/0x470 [ 55.505563][ T146] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 55.511273][ T146] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 55.516970][ T146] ret_from_fork+0x24/0x30 Warning: Permanently added '10.128.0.30' (ECDSA) to the list of known hosts. 2020/06/11 11:16:08 fuzzer started 2020/06/11 11:16:08 connecting to host at 10.128.0.26:38135 2020/06/11 11:16:08 checking machine... 2020/06/11 11:16:08 checking revisions... 2020/06/11 11:16:08 testing simple program... [ 56.621409][ T6816] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6816 [ 56.630523][ T6816] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 56.636397][ T6816] CPU: 1 PID: 6816 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 56.644258][ T6816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.654301][ T6816] Call Trace: [ 56.657574][ T6816] dump_stack+0x188/0x20d [ 56.661893][ T6816] debug_smp_processor_id.cold+0x88/0x9b [ 56.667514][ T6816] ext4_mb_new_blocks+0xa77/0x3b30 [ 56.672615][ T6816] ? ext4_ext_search_right+0x2ca/0xb20 [ 56.678066][ T6816] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 56.683781][ T6816] ext4_ext_map_blocks+0x2044/0x3410 [ 56.689059][ T6816] ? ext4_ext_release+0x10/0x10 [ 56.693911][ T6816] ? __down_timeout+0x2d0/0x2d0 [ 56.698743][ T6816] ? ext4_es_lookup_extent+0x41d/0xd30 [ 56.704186][ T6816] ext4_map_blocks+0x4cb/0x1640 [ 56.709020][ T6816] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 56.714210][ T6816] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.719735][ T6816] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.725701][ T6816] ? prandom_u32_state+0xe/0x170 [ 56.730620][ T6816] ? __brelse+0x84/0xa0 [ 56.734754][ T6816] ? __ext4_new_inode+0x144/0x57c0 [ 56.739846][ T6816] ext4_getblk+0xad/0x520 [ 56.744155][ T6816] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 56.749868][ T6816] ? ext4_free_inode+0x17e0/0x17e0 [ 56.755048][ T6816] ext4_bread+0x7c/0x380 [ 56.759269][ T6816] ? ext4_getblk+0x520/0x520 [ 56.763835][ T6816] ? dqget+0xff0/0xff0 [ 56.767886][ T6816] ext4_append+0x153/0x360 [ 56.772302][ T6816] ext4_mkdir+0x5e0/0xdf0 [ 56.776616][ T6816] ? ext4_rmdir+0xde0/0xde0 [ 56.781101][ T6816] ? security_inode_permission+0xc4/0xf0 [ 56.786715][ T6816] vfs_mkdir+0x419/0x690 [ 56.790939][ T6816] do_mkdirat+0x21e/0x280 [ 56.795248][ T6816] ? __ia32_sys_mknod+0xb0/0xb0 [ 56.800090][ T6816] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 56.806069][ T6816] ? do_syscall_64+0x21/0x7d0 [ 56.811430][ T6816] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 56.817393][ T6816] do_syscall_64+0xf6/0x7d0 [ 56.821893][ T6816] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 56.827762][ T6816] RIP: 0033:0x4b02a0 [ 56.831641][ T6816] 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 [ 56.851227][ T6816] RSP: 002b:000000c0000e34b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 56.859628][ T6816] RAX: ffffffffffffffda RBX: 000000c00002c000 RCX: 00000000004b02a0 [ 56.867578][ T6816] RDX: 00000000000001c0 RSI: 000000c0000e8680 RDI: ffffffffffffff9c [ 56.875527][ T6816] RBP: 000000c0000e3510 R08: 0000000000000000 R09: 0000000000000000 [ 56.883476][ T6816] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 56.891423][ T6816] R13: 0000000000000035 R14: 0000000000000034 R15: 0000000000000100 [ 56.917175][ T6832] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6832 [ 56.926627][ T6832] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 56.932633][ T6832] CPU: 0 PID: 6832 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 56.940862][ T6832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.950893][ T6832] Call Trace: [ 56.954230][ T6832] dump_stack+0x188/0x20d [ 56.958538][ T6832] debug_smp_processor_id.cold+0x88/0x9b [ 56.964187][ T6832] ext4_mb_new_blocks+0xa77/0x3b30 [ 56.969308][ T6832] ? ext4_ext_search_right+0x2ca/0xb20 [ 56.974946][ T6832] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 56.980644][ T6832] ext4_ext_map_blocks+0x2044/0x3410 [ 56.985915][ T6832] ? ext4_ext_release+0x10/0x10 [ 56.990751][ T6832] ? __down_timeout+0x2d0/0x2d0 [ 56.995586][ T6832] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.001034][ T6832] ext4_map_blocks+0x4cb/0x1640 [ 57.005862][ T6832] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.011033][ T6832] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.016566][ T6832] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.022522][ T6832] ? prandom_u32_state+0xe/0x170 [ 57.027433][ T6832] ? __brelse+0x84/0xa0 [ 57.031575][ T6832] ? __ext4_new_inode+0x144/0x57c0 [ 57.036665][ T6832] ext4_getblk+0xad/0x520 [ 57.040974][ T6832] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 57.046680][ T6832] ? ext4_free_inode+0x17e0/0x17e0 [ 57.051768][ T6832] ext4_bread+0x7c/0x380 [ 57.055985][ T6832] ? ext4_getblk+0x520/0x520 [ 57.060567][ T6832] ? dqget+0xff0/0xff0 [ 57.064625][ T6832] ext4_append+0x153/0x360 [ 57.069019][ T6832] ext4_mkdir+0x5e0/0xdf0 [ 57.073328][ T6832] ? ext4_rmdir+0xde0/0xde0 [ 57.077807][ T6832] ? security_inode_permission+0xc4/0xf0 [ 57.083419][ T6832] vfs_mkdir+0x419/0x690 [ 57.087639][ T6832] do_mkdirat+0x21e/0x280 [ 57.091945][ T6832] ? __ia32_sys_mknod+0xb0/0xb0 [ 57.096769][ T6832] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.102725][ T6832] ? do_syscall_64+0x21/0x7d0 [ 57.107376][ T6832] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.113331][ T6832] do_syscall_64+0xf6/0x7d0 [ 57.120360][ T6832] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 57.126232][ T6832] RIP: 0033:0x45bee7 [ 57.130119][ T6832] 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 [ 57.149717][ T6832] RSP: 002b:00007ffe5d5eed88 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 57.158126][ T6832] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 57.166083][ T6832] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007ffe5d5eef60 [ 57.174030][ T6832] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000003600 [ 57.181977][ T6832] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 57.189936][ T6832] R13: 00007ffe5d5eef60 R14: 8421084210842109 R15: 00007ffe5d5eef6c [ 57.269152][ T6833] IPVS: ftp: loaded support on port[0] = 21 [ 57.306556][ T6833] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6833 [ 57.316114][ T6833] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.322100][ T6833] CPU: 1 PID: 6833 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 57.330321][ T6833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.340350][ T6833] Call Trace: [ 57.343653][ T6833] dump_stack+0x188/0x20d [ 57.347961][ T6833] debug_smp_processor_id.cold+0x88/0x9b [ 57.353570][ T6833] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.358663][ T6833] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.364097][ T6833] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.369791][ T6833] ext4_ext_map_blocks+0x2044/0x3410 [ 57.375082][ T6833] ? ext4_ext_release+0x10/0x10 [ 57.379916][ T6833] ? __down_timeout+0x2d0/0x2d0 [ 57.384739][ T6833] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.390187][ T6833] ext4_map_blocks+0x4cb/0x1640 [ 57.395017][ T6833] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.400189][ T6833] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.405708][ T6833] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.411671][ T6833] ? prandom_u32_state+0xe/0x170 [ 57.416583][ T6833] ? __brelse+0x84/0xa0 [ 57.420713][ T6833] ? __ext4_new_inode+0x144/0x57c0 [ 57.425799][ T6833] ext4_getblk+0xad/0x520 [ 57.430121][ T6833] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 57.435817][ T6833] ? ext4_free_inode+0x17e0/0x17e0 [ 57.440906][ T6833] ext4_bread+0x7c/0x380 [ 57.445122][ T6833] ? ext4_getblk+0x520/0x520 [ 57.449685][ T6833] ? dqget+0xff0/0xff0 [ 57.453731][ T6833] ext4_append+0x153/0x360 [ 57.458123][ T6833] ext4_mkdir+0x5e0/0xdf0 [ 57.462442][ T6833] ? ext4_rmdir+0xde0/0xde0 [ 57.466931][ T6833] ? security_inode_permission+0xc4/0xf0 [ 57.472540][ T6833] vfs_mkdir+0x419/0x690 [ 57.476778][ T6833] do_mkdirat+0x21e/0x280 [ 57.481083][ T6833] ? __ia32_sys_mknod+0xb0/0xb0 [ 57.485908][ T6833] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.491872][ T6833] ? do_syscall_64+0x21/0x7d0 [ 57.496523][ T6833] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.502488][ T6833] do_syscall_64+0xf6/0x7d0 [ 57.506968][ T6833] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 57.512832][ T6833] RIP: 0033:0x45bee7 [ 57.516710][ T6833] 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 [ 57.536287][ T6833] RSP: 002b:00007ffe5d5eec78 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 57.544670][ T6833] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 57.552614][ T6833] RDX: 00007ffe5d5eecc3 RSI: 00000000000001ff RDI: 00007ffe5d5eecc0 [ 57.560560][ T6833] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 57.568508][ T6833] R10: 0000000000000064 R11: 0000000000000206 R12: 00000000004185d0 [ 57.576471][ T6833] R13: 00007ffe5d5eecb0 R14: 0000000000000000 R15: 00007ffe5d5eecc0 [ 57.627463][ T6833] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6833 [ 57.637838][ T6833] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.643861][ T6833] CPU: 1 PID: 6833 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 57.652089][ T6833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.662134][ T6833] Call Trace: [ 57.665430][ T6833] dump_stack+0x188/0x20d [ 57.669768][ T6833] debug_smp_processor_id.cold+0x88/0x9b [ 57.675400][ T6833] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.680525][ T6833] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.685980][ T6833] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.691704][ T6833] ext4_ext_map_blocks+0x2044/0x3410 [ 57.697002][ T6833] ? ext4_ext_release+0x10/0x10 [ 57.701872][ T6833] ? __down_timeout+0x2d0/0x2d0 [ 57.706710][ T6833] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.712168][ T6833] ext4_map_blocks+0x4cb/0x1640 [ 57.717026][ T6833] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.722204][ T6833] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.727722][ T6833] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.733675][ T6833] ? prandom_u32_state+0xe/0x170 [ 57.738586][ T6833] ? __brelse+0x84/0xa0 [ 57.742715][ T6833] ? __ext4_new_inode+0x144/0x57c0 [ 57.747986][ T6833] ext4_getblk+0xad/0x520 [ 57.752291][ T6833] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 57.757988][ T6833] ? ext4_free_inode+0x17e0/0x17e0 [ 57.763074][ T6833] ext4_bread+0x7c/0x380 [ 57.767289][ T6833] ? ext4_getblk+0x520/0x520 [ 57.771863][ T6833] ? dqget+0xff0/0xff0 [ 57.775911][ T6833] ext4_append+0x153/0x360 [ 57.780304][ T6833] ext4_mkdir+0x5e0/0xdf0 [ 57.784621][ T6833] ? ext4_rmdir+0xde0/0xde0 [ 57.789102][ T6833] ? security_inode_permission+0xc4/0xf0 [ 57.794727][ T6833] vfs_mkdir+0x419/0x690 [ 57.798959][ T6833] do_mkdirat+0x21e/0x280 [ 57.803263][ T6833] ? __ia32_sys_mknod+0xb0/0xb0 [ 57.808098][ T6833] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.814068][ T6833] ? do_syscall_64+0x21/0x7d0 [ 57.818719][ T6833] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 57.824685][ T6833] do_syscall_64+0xf6/0x7d0 [ 57.829164][ T6833] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 57.835046][ T6833] RIP: 0033:0x45bee7 [ 57.838915][ T6833] 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 [ 57.858494][ T6833] RSP: 002b:00007ffe5d5eec78 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 57.866875][ T6833] RAX: ffffffffffffffda RBX: 000000000000e110 RCX: 000000000045bee7 2020/06/11 11:16:09 building call list... [ 57.874822][ T6833] RDX: 00007ffe5d5eecc3 RSI: 00000000000001ff RDI: 00007ffe5d5eecc0 [ 57.882779][ T6833] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 57.890725][ T6833] R10: 0000000000000064 R11: 0000000000000206 R12: 0000000000000003 [ 57.898671][ T6833] R13: 00007ffe5d5eecb0 R14: 000000000000e0fd R15: 00007ffe5d5eecc0 [ 58.169430][ T146] tipc: TX() has been purged, node left! [ 58.945247][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 58.954587][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.960633][ T1155] CPU: 1 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 58.968510][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.978555][ T1155] Call Trace: [ 58.981845][ T1155] dump_stack+0x188/0x20d [ 58.986172][ T1155] debug_smp_processor_id.cold+0x88/0x9b [ 58.991798][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.996908][ T1155] ? __kmalloc+0x62f/0x7a0 [ 59.001335][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.006788][ T1155] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.012507][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 59.017795][ T1155] ? ext4_ext_release+0x10/0x10 [ 59.022655][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 59.027499][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.032957][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 59.037807][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.042997][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 59.048456][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.053995][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.059966][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 59.065423][ T1155] ext4_writepages+0x1ab7/0x3400 [ 59.070359][ T1155] ? mark_lock+0x30/0xdd0 [ 59.074700][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 59.080357][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 59.085983][ T1155] ? do_writepages+0xfa/0x2a0 [ 59.090652][ T1155] do_writepages+0xfa/0x2a0 [ 59.095153][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 59.100778][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 59.105798][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 59.110988][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 59.115840][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 59.121568][ T1155] ? collapse_file+0x3575/0x4300 [ 59.126518][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 59.132590][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 59.137783][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.143761][ T1155] collapse_file+0x357f/0x4300 [ 59.148549][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 59.153919][ T1155] ? khugepaged+0x24fa/0x3f80 [ 59.158613][ T1155] khugepaged+0x3049/0x3f80 [ 59.163139][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.168767][ T1155] ? lock_downgrade+0x840/0x840 [ 59.173614][ T1155] ? finish_wait+0x260/0x260 [ 59.178198][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 59.183996][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.189982][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 59.195012][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.200646][ T1155] kthread+0x388/0x470 [ 59.204714][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.210518][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.216242][ T1155] ret_from_fork+0x24/0x30 [ 59.309786][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 59.318968][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.324839][ T1155] CPU: 0 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 59.332737][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.342767][ T1155] Call Trace: [ 59.346037][ T1155] dump_stack+0x188/0x20d [ 59.350400][ T1155] debug_smp_processor_id.cold+0x88/0x9b executing program [ 59.356050][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.361144][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.366618][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 59.372747][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 59.378007][ T1155] ? ext4_ext_release+0x10/0x10 [ 59.382915][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 59.387753][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.393190][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 59.398024][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.403204][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 59.408690][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.414253][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.420207][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 59.425684][ T1155] ext4_writepages+0x1ab7/0x3400 [ 59.430600][ T1155] ? mark_lock+0x30/0xdd0 [ 59.434927][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 59.440549][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 59.446155][ T1155] ? do_writepages+0xfa/0x2a0 [ 59.450819][ T1155] do_writepages+0xfa/0x2a0 [ 59.455312][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 59.460921][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 59.465930][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 59.471104][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 59.475933][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 59.481632][ T1155] ? collapse_file+0x3575/0x4300 [ 59.486544][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 59.492618][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 59.497793][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.503761][ T1155] collapse_file+0x357f/0x4300 [ 59.508528][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 59.513880][ T1155] ? khugepaged+0x24fa/0x3f80 [ 59.518546][ T1155] khugepaged+0x3049/0x3f80 [ 59.523038][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.528660][ T1155] ? lock_downgrade+0x840/0x840 [ 59.533496][ T1155] ? finish_wait+0x260/0x260 [ 59.538073][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 59.543861][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.549839][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 59.554837][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.560445][ T1155] kthread+0x388/0x470 [ 59.564487][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.570191][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.575913][ T1155] ret_from_fork+0x24/0x30 [ 59.614723][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 59.623803][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.629757][ T1155] CPU: 0 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 59.637636][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.647668][ T1155] Call Trace: [ 59.650952][ T1155] dump_stack+0x188/0x20d [ 59.655284][ T1155] debug_smp_processor_id.cold+0x88/0x9b [ 59.660916][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.666034][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.671494][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 59.677640][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 59.682934][ T1155] ? ext4_ext_release+0x10/0x10 [ 59.687797][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 59.692642][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.698100][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 59.702949][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.708164][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 59.713621][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.719162][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.725134][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 59.730591][ T1155] ext4_writepages+0x1ab7/0x3400 [ 59.735527][ T1155] ? mark_lock+0x30/0xdd0 [ 59.739871][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 59.745524][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 59.751151][ T1155] ? do_writepages+0xfa/0x2a0 [ 59.755819][ T1155] do_writepages+0xfa/0x2a0 [ 59.760322][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 59.765948][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 59.770968][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 59.776161][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 59.781043][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 59.786756][ T1155] ? collapse_file+0x3575/0x4300 [ 59.791684][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 59.797751][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 59.802943][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.808920][ T1155] collapse_file+0x357f/0x4300 [ 59.813695][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 59.819057][ T1155] ? khugepaged+0x24fa/0x3f80 [ 59.823747][ T1155] khugepaged+0x3049/0x3f80 [ 59.828266][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.833893][ T1155] ? lock_downgrade+0x840/0x840 [ 59.838736][ T1155] ? finish_wait+0x260/0x260 [ 59.843329][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 59.849129][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.855130][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 59.860149][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.865771][ T1155] kthread+0x388/0x470 [ 59.869832][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.875556][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.881270][ T1155] ret_from_fork+0x24/0x30 [ 60.082030][ T6859] can: request_module (can-proto-0) failed. [ 60.812555][ T6859] can: request_module (can-proto-0) failed. [ 60.824316][ T6859] can: request_module (can-proto-0) failed.