[ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ 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. [ 53.103918][ T4786] systemd-udevd (4786) used greatest stack depth: 21408 bytes left Starting Load/Save RF Kill Switch Status... [ 54.614449][ T6730] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6730 [ 54.624223][ T6730] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 54.630407][ T6730] CPU: 1 PID: 6730 Comm: systemd-rfkill Not tainted 5.7.0-next-20200604-syzkaller #0 [ 54.639888][ T6730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.649940][ T6730] Call Trace: [ 54.653267][ T6730] dump_stack+0x18f/0x20d [ 54.657607][ T6730] check_preemption_disabled+0x20d/0x220 [ 54.663245][ T6730] ext4_mb_new_blocks+0xa4d/0x3b70 [ 54.668352][ T6730] ? ext4_ext_search_right+0x2ca/0xb20 [ 54.673807][ T6730] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 54.679545][ T6730] ext4_ext_map_blocks+0x201b/0x33e0 [ 54.684930][ T6730] ? ext4_ext_release+0x10/0x10 [ 54.689809][ T6730] ? down_write_killable+0x170/0x170 [ 54.695093][ T6730] ? ext4_es_lookup_extent+0x41d/0xd10 [ 54.700555][ T6730] ext4_map_blocks+0x4cb/0x1640 [ 54.705425][ T6730] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 54.710623][ T6730] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 54.716330][ T6730] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 54.722313][ T6730] ? prandom_u32_state+0xe/0x170 [ 54.727248][ T6730] ? __brelse+0x84/0xa0 [ 54.731434][ T6730] ? __ext4_new_inode+0x144/0x55e0 [ 54.736639][ T6730] ext4_getblk+0xad/0x520 [ 54.740959][ T6730] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 54.746670][ T6730] ? ext4_free_inode+0x1700/0x1700 [ 54.751775][ T6730] ext4_bread+0x7c/0x380 [ 54.756050][ T6730] ? ext4_getblk+0x520/0x520 [ 54.760975][ T6730] ? dquot_get_next_dqblk+0x180/0x180 [ 54.766346][ T6730] ext4_append+0x153/0x360 [ 54.770811][ T6730] ext4_mkdir+0x5e0/0xdf0 [ 54.775190][ T6730] ? ext4_rmdir+0xde0/0xde0 [ 54.779697][ T6730] ? security_inode_permission+0xc4/0xf0 [ 54.785473][ T6730] vfs_mkdir+0x419/0x690 [ 54.789844][ T6730] do_mkdirat+0x21e/0x280 [ 54.794169][ T6730] ? __ia32_sys_mknod+0xb0/0xb0 [ 54.799021][ T6730] ? do_syscall_64+0x1c/0xe0 [ 54.803709][ T6730] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 54.809836][ T6730] do_syscall_64+0x60/0xe0 [ 54.814284][ T6730] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.820218][ T6730] RIP: 0033:0x7fc6b8c92687 [ 54.824624][ T6730] Code: Bad RIP value. [ 54.828674][ T6730] RSP: 002b:00007ffe54f5a5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 54.837089][ T6730] RAX: ffffffffffffffda RBX: 0000556799115985 RCX: 00007fc6b8c92687 [ 54.845573][ T6730] RDX: 00007ffe54f5a490 RSI: 00000000000001ed RDI: 0000556799115985 [ 54.853531][ T6730] RBP: 00007fc6b8c92680 R08: 0000000000000100 R09: 0000000000000000 [ 54.861665][ T6730] R10: 0000556799115980 R11: 0000000000000246 R12: 00000000000001ed [ 54.869963][ T6730] R13: 00007ffe54f5a750 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 57.258584][ T173] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:4/173 [ 57.268873][ T173] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.275050][ T173] CPU: 0 PID: 173 Comm: kworker/u4:4 Not tainted 5.7.0-next-20200604-syzkaller #0 [ 57.284814][ T173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.294942][ T173] Workqueue: writeback wb_workfn (flush-8:0) [ 57.301184][ T173] Call Trace: [ 57.304693][ T173] dump_stack+0x18f/0x20d [ 57.309109][ T173] check_preemption_disabled+0x20d/0x220 [ 57.314773][ T173] ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.319969][ T173] ? ext4_find_extent+0x81a/0xad0 [ 57.325292][ T173] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.331375][ T173] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.337104][ T173] ext4_ext_map_blocks+0x201b/0x33e0 [ 57.342478][ T173] ? ext4_ext_release+0x10/0x10 [ 57.347348][ T173] ? down_write_killable+0x170/0x170 [ 57.352718][ T173] ? ext4_es_lookup_extent+0x41d/0xd10 [ 57.358241][ T173] ext4_map_blocks+0x4cb/0x1640 [ 57.363235][ T173] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.368534][ T173] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.374128][ T173] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.380222][ T173] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.385765][ T173] ext4_writepages+0x1ab5/0x3400 [ 57.391234][ T173] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.397321][ T173] ? __lock_acquire+0x2224/0x48b0 [ 57.402357][ T173] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.408377][ T173] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.414449][ T173] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.420555][ T173] ? do_writepages+0xfa/0x2a0 [ 57.425236][ T173] do_writepages+0xfa/0x2a0 [ 57.429858][ T173] ? page_writeback_cpu_online+0x10/0x10 [ 57.435961][ T173] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.441990][ T173] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.448456][ T173] ? lock_downgrade+0x840/0x840 [ 57.453682][ T173] __writeback_single_inode+0x12a/0x13d0 [ 57.459649][ T173] ? _raw_spin_unlock+0x24/0x40 [ 57.464590][ T173] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 57.471038][ T173] writeback_sb_inodes+0x515/0xdc0 [ 57.476883][ T173] ? __writeback_single_inode+0x13d0/0x13d0 [ 57.482794][ T173] __writeback_inodes_wb+0xc3/0x250 [ 57.488077][ T173] wb_writeback+0x8db/0xd50 [ 57.492778][ T173] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 57.499172][ T173] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 57.505074][ T173] ? cpumask_next+0x3c/0x40 [ 57.509566][ T173] ? get_nr_dirty_inodes+0xd6/0x130 [ 57.514923][ T173] wb_workfn+0xab3/0x1090 [ 57.519259][ T173] ? inode_wait_for_writeback+0x30/0x30 [ 57.524925][ T173] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.530799][ T173] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.536803][ T173] process_one_work+0x965/0x1690 [ 57.541747][ T173] ? lock_release+0x800/0x800 [ 57.546458][ T173] ? pwq_dec_nr_in_flight+0x310/0x310 [ 57.552055][ T173] ? rwlock_bug.part.0+0x90/0x90 [ 57.556995][ T173] worker_thread+0x96/0xe10 [ 57.561774][ T173] ? process_one_work+0x1690/0x1690 [ 57.567539][ T173] kthread+0x3b5/0x4a0 [ 57.571608][ T173] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.577339][ T173] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.583303][ T173] ret_from_fork+0x1f/0x30 Warning: Permanently added '10.128.0.233' (ECDSA) to the list of known hosts. 2020/06/05 06:17:16 fuzzer started 2020/06/05 06:17:16 connecting to host at 10.128.0.26:41057 2020/06/05 06:17:16 checking machine... 2020/06/05 06:17:16 checking revisions... 2020/06/05 06:17:16 testing simple program... [ 59.865134][ T6800] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6800 [ 59.874756][ T6800] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.881139][ T6800] CPU: 1 PID: 6800 Comm: syz-fuzzer Not tainted 5.7.0-next-20200604-syzkaller #0 [ 59.890737][ T6800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.901430][ T6800] Call Trace: [ 59.904729][ T6800] dump_stack+0x18f/0x20d [ 59.909089][ T6800] check_preemption_disabled+0x20d/0x220 [ 59.915255][ T6800] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.920548][ T6800] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.926292][ T6800] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.933367][ T6800] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.939197][ T6800] ? ext4_ext_release+0x10/0x10 [ 59.944593][ T6800] ? down_write_killable+0x170/0x170 [ 59.950179][ T6800] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.957032][ T6800] ext4_map_blocks+0x4cb/0x1640 [ 59.962294][ T6800] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.967573][ T6800] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.973407][ T6800] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.979782][ T6800] ? prandom_u32_state+0xe/0x170 [ 59.985289][ T6800] ? __brelse+0x84/0xa0 [ 59.989488][ T6800] ? __ext4_new_inode+0x144/0x55e0 [ 59.995551][ T6800] ext4_getblk+0xad/0x520 [ 60.000582][ T6800] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.006962][ T6800] ? ext4_free_inode+0x1700/0x1700 [ 60.012466][ T6800] ext4_bread+0x7c/0x380 [ 60.016863][ T6800] ? ext4_getblk+0x520/0x520 [ 60.021626][ T6800] ? dquot_get_next_dqblk+0x180/0x180 [ 60.027472][ T6800] ext4_append+0x153/0x360 [ 60.032125][ T6800] ext4_mkdir+0x5e0/0xdf0 [ 60.036501][ T6800] ? ext4_rmdir+0xde0/0xde0 [ 60.041270][ T6800] ? security_inode_permission+0xc4/0xf0 [ 60.047311][ T6800] vfs_mkdir+0x419/0x690 [ 60.051917][ T6800] do_mkdirat+0x21e/0x280 [ 60.056295][ T6800] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.061833][ T6800] ? do_syscall_64+0x1c/0xe0 [ 60.066911][ T6800] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.073274][ T6800] do_syscall_64+0x60/0xe0 [ 60.077823][ T6800] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.083745][ T6800] RIP: 0033:0x4b02a0 [ 60.087651][ T6800] Code: Bad RIP value. [ 60.092049][ T6800] RSP: 002b:000000c0000d94b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 60.100480][ T6800] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 60.110012][ T6800] RDX: 00000000000001c0 RSI: 000000c00009ee20 RDI: ffffffffffffff9c [ 60.117984][ T6800] RBP: 000000c0000d9510 R08: 0000000000000000 R09: 0000000000000000 [ 60.125999][ T6800] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 60.134650][ T6800] R13: 0000000000000072 R14: 0000000000000071 R15: 0000000000000100 [ 60.171979][ T6816] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6816 [ 60.181763][ T6816] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.187789][ T6816] CPU: 1 PID: 6816 Comm: syz-executor.0 Not tainted 5.7.0-next-20200604-syzkaller #0 [ 60.197357][ T6816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.207511][ T6816] Call Trace: [ 60.210843][ T6816] dump_stack+0x18f/0x20d [ 60.215289][ T6816] check_preemption_disabled+0x20d/0x220 [ 60.220944][ T6816] ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.226092][ T6816] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.231693][ T6816] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.237404][ T6816] ext4_ext_map_blocks+0x201b/0x33e0 [ 60.242830][ T6816] ? ext4_ext_release+0x10/0x10 [ 60.247758][ T6816] ? down_write_killable+0x170/0x170 [ 60.253195][ T6816] ? ext4_es_lookup_extent+0x41d/0xd10 [ 60.258669][ T6816] ext4_map_blocks+0x4cb/0x1640 [ 60.263778][ T6816] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.269355][ T6816] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.275059][ T6816] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.281305][ T6816] ? prandom_u32_state+0xe/0x170 [ 60.286515][ T6816] ? __brelse+0x84/0xa0 [ 60.290717][ T6816] ? __ext4_new_inode+0x144/0x55e0 [ 60.295826][ T6816] ext4_getblk+0xad/0x520 [ 60.300644][ T6816] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.306465][ T6816] ? ext4_free_inode+0x1700/0x1700 [ 60.311933][ T6816] ext4_bread+0x7c/0x380 [ 60.316258][ T6816] ? ext4_getblk+0x520/0x520 [ 60.320847][ T6816] ? dquot_get_next_dqblk+0x180/0x180 [ 60.326228][ T6816] ext4_append+0x153/0x360 [ 60.330683][ T6816] ext4_mkdir+0x5e0/0xdf0 [ 60.335047][ T6816] ? ext4_rmdir+0xde0/0xde0 [ 60.339546][ T6816] ? security_inode_permission+0xc4/0xf0 [ 60.345177][ T6816] vfs_mkdir+0x419/0x690 [ 60.349546][ T6816] do_mkdirat+0x21e/0x280 [ 60.353864][ T6816] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.358754][ T6816] ? do_syscall_64+0x1c/0xe0 [ 60.363630][ T6816] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.369613][ T6816] do_syscall_64+0x60/0xe0 [ 60.374121][ T6816] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.380023][ T6816] RIP: 0033:0x45bee7 [ 60.384244][ T6816] Code: Bad RIP value. [ 60.388578][ T6816] RSP: 002b:00007ffe66c41bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 60.397367][ T6816] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 60.405543][ T6816] RDX: 0000000000000002 RSI: 00000000000001c0 RDI: 00007ffe66c41da0 [ 60.413543][ T6816] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000002c00 [ 60.421620][ T6816] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 60.429749][ T6816] R13: 00007ffe66c41da0 R14: 8421084210842109 R15: 00007ffe66c41dac [ 60.513752][ T6817] IPVS: ftp: loaded support on port[0] = 21 [ 60.551426][ T6817] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6817 [ 60.561620][ T6817] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.567847][ T6817] CPU: 0 PID: 6817 Comm: syz-executor.0 Not tainted 5.7.0-next-20200604-syzkaller #0 [ 60.577328][ T6817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.587807][ T6817] Call Trace: [ 60.591231][ T6817] dump_stack+0x18f/0x20d [ 60.595726][ T6817] check_preemption_disabled+0x20d/0x220 [ 60.601723][ T6817] ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.606841][ T6817] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.612414][ T6817] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.618167][ T6817] ext4_ext_map_blocks+0x201b/0x33e0 [ 60.623519][ T6817] ? ext4_ext_release+0x10/0x10 [ 60.628382][ T6817] ? down_write_killable+0x170/0x170 [ 60.634019][ T6817] ? ext4_es_lookup_extent+0x41d/0xd10 [ 60.639690][ T6817] ext4_map_blocks+0x4cb/0x1640 [ 60.644640][ T6817] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.650562][ T6817] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.656238][ T6817] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.662348][ T6817] ? prandom_u32_state+0xe/0x170 [ 60.667845][ T6817] ? __brelse+0x84/0xa0 [ 60.671997][ T6817] ? __ext4_new_inode+0x144/0x55e0 [ 60.677119][ T6817] ext4_getblk+0xad/0x520 [ 60.682191][ T6817] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.688034][ T6817] ? ext4_free_inode+0x1700/0x1700 [ 60.693156][ T6817] ext4_bread+0x7c/0x380 [ 60.697451][ T6817] ? ext4_getblk+0x520/0x520 [ 60.702478][ T6817] ? dquot_get_next_dqblk+0x180/0x180 [ 60.708161][ T6817] ext4_append+0x153/0x360 [ 60.712955][ T6817] ext4_mkdir+0x5e0/0xdf0 [ 60.717293][ T6817] ? ext4_rmdir+0xde0/0xde0 [ 60.721912][ T6817] ? security_inode_permission+0xc4/0xf0 [ 60.727653][ T6817] vfs_mkdir+0x419/0x690 [ 60.732174][ T6817] do_mkdirat+0x21e/0x280 [ 60.736590][ T6817] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.741601][ T6817] ? do_syscall_64+0x1c/0xe0 [ 60.746188][ T6817] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.753398][ T6817] do_syscall_64+0x60/0xe0 [ 60.758006][ T6817] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.764474][ T6817] RIP: 0033:0x45bee7 [ 60.768762][ T6817] Code: Bad RIP value. [ 60.772922][ T6817] RSP: 002b:00007ffe66c41ab8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 60.781725][ T6817] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 60.789809][ T6817] RDX: 00007ffe66c41b03 RSI: 00000000000001ff RDI: 00007ffe66c41b00 [ 60.797814][ T6817] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 60.806938][ T6817] R10: 0000000000000064 R11: 0000000000000206 R12: 00000000004185d0 [ 60.815057][ T6817] R13: 00007ffe66c41af0 R14: 0000000000000000 R15: 00007ffe66c41b00 [ 60.870512][ T6817] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6817 [ 60.881437][ T6817] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.888104][ T6817] CPU: 0 PID: 6817 Comm: syz-executor.0 Not tainted 5.7.0-next-20200604-syzkaller #0 [ 60.897744][ T6817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.908641][ T6817] Call Trace: [ 60.912385][ T6817] dump_stack+0x18f/0x20d [ 60.917006][ T6817] check_preemption_disabled+0x20d/0x220 [ 60.922968][ T6817] ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.928552][ T6817] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.934803][ T6817] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.941910][ T6817] ext4_ext_map_blocks+0x201b/0x33e0 [ 60.947416][ T6817] ? ext4_ext_release+0x10/0x10 [ 60.952914][ T6817] ? down_write_killable+0x170/0x170 [ 60.959456][ T6817] ? ext4_es_lookup_extent+0x41d/0xd10 [ 60.965880][ T6817] ext4_map_blocks+0x4cb/0x1640 [ 60.971487][ T6817] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.977329][ T6817] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.982999][ T6817] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.989067][ T6817] ? prandom_u32_state+0xe/0x170 [ 60.994051][ T6817] ? __brelse+0x84/0xa0 [ 60.998200][ T6817] ? __ext4_new_inode+0x144/0x55e0 [ 61.003301][ T6817] ext4_getblk+0xad/0x520 [ 61.007736][ T6817] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 61.014062][ T6817] ? ext4_free_inode+0x1700/0x1700 [ 61.019947][ T6817] ext4_bread+0x7c/0x380 [ 61.024583][ T6817] ? ext4_getblk+0x520/0x520 [ 61.029327][ T6817] ? dquot_get_next_dqblk+0x180/0x180 [ 61.035023][ T6817] ext4_append+0x153/0x360 [ 61.039709][ T6817] ext4_mkdir+0x5e0/0xdf0 [ 61.044216][ T6817] ? ext4_rmdir+0xde0/0xde0 [ 61.048862][ T6817] ? security_inode_permission+0xc4/0xf0 [ 61.054724][ T6817] vfs_mkdir+0x419/0x690 [ 61.059022][ T6817] do_mkdirat+0x21e/0x280 [ 61.064083][ T6817] ? __ia32_sys_mknod+0xb0/0xb0 [ 61.069145][ T6817] ? do_syscall_64+0x1c/0xe0 [ 61.074181][ T6817] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.080688][ T6817] do_syscall_64+0x60/0xe0 [ 61.085314][ T6817] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.091799][ T6817] RIP: 0033:0x45bee7 [ 61.095725][ T6817] Code: Bad RIP value. [ 61.099810][ T6817] RSP: 002b:00007ffe66c41ab8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 61.108837][ T6817] RAX: ffffffffffffffda RBX: 000000000000edbb RCX: 000000000045bee7 [ 61.116854][ T6817] RDX: 00007ffe66c41b03 RSI: 00000000000001ff RDI: 00007ffe66c41b00 [ 61.125576][ T6817] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 61.133594][ T6817] R10: 0000000000000064 R11: 0000000000000206 R12: 0000000000000003 [ 61.141599][ T6817] R13: 00007ffe66c41af0 R14: 000000000000eda6 R15: 00007ffe66c41b00 [ 61.155548][ T1153] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1153 [ 61.164998][ T1153] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.171608][ T1153] CPU: 0 PID: 1153 Comm: khugepaged Not tainted 5.7.0-next-20200604-syzkaller #0 [ 61.180894][ T1153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.191294][ T1153] Call Trace: [ 61.195392][ T1153] dump_stack+0x18f/0x20d [ 61.199861][ T1153] check_preemption_disabled+0x20d/0x220 [ 61.205612][ T1153] ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.210843][ T1153] ? ext4_find_extent+0x81a/0xad0 [ 61.215864][ T1153] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.221407][ T1153] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 61.227470][ T1153] ext4_ext_map_blocks+0x201b/0x33e0 [ 61.232930][ T1153] ? ext4_ext_release+0x10/0x10 [ 61.237936][ T1153] ? down_write_killable+0x170/0x170 [ 61.243381][ T1153] ? ext4_es_lookup_extent+0x41d/0xd10 [ 61.249211][ T1153] ext4_map_blocks+0x4cb/0x1640 [ 61.254874][ T1153] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.260346][ T1153] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.266349][ T1153] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.273568][ T1153] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 61.279121][ T1153] ext4_writepages+0x1ab5/0x3400 [ 61.284256][ T1153] ? mark_lock+0x20/0xdd0 [ 61.289247][ T1153] ? __ext4_mark_inode_dirty+0x940/0x940 [ 61.294887][ T1153] ? __ext4_mark_inode_dirty+0x940/0x940 [ 61.300942][ T1153] ? do_writepages+0xfa/0x2a0 [ 61.306148][ T1153] do_writepages+0xfa/0x2a0 [ 61.310942][ T1153] ? page_writeback_cpu_online+0x10/0x10 [ 61.316760][ T1153] ? do_raw_spin_lock+0x120/0x2d0 [ 61.321820][ T1153] ? do_raw_spin_unlock+0x171/0x260 [ 61.327109][ T1153] ? _raw_spin_unlock+0x24/0x40 [ 61.332338][ T1153] __filemap_fdatawrite_range+0x2aa/0x390 [ 61.338185][ T1153] ? collapse_file+0x35a2/0x4330 [ 61.343175][ T1153] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 61.349295][ T1153] ? _raw_spin_unlock_irq+0x1f/0x80 [ 61.354487][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.360464][ T1153] collapse_file+0x35ac/0x4330 [ 61.365234][ T1153] ? collapse_huge_page+0x4350/0x4350 [ 61.370652][ T1153] ? khugepaged+0x2506/0x3fc0 [ 61.375581][ T1153] ? xas_find+0x31a/0x880 [ 61.379926][ T1153] ? check_preemption_disabled+0x38/0x220 [ 61.385933][ T1153] khugepaged+0x3041/0x3fc0 [ 61.392452][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.398207][ T1153] ? lock_downgrade+0x840/0x840 [ 61.403056][ T1153] ? finish_wait+0x260/0x260 [ 61.407759][ T1153] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 61.413771][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 2020/06/05 06:17:18 building call list... [ 61.419890][ T1153] ? __kthread_parkme+0x13f/0x1e0 [ 61.425196][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.430919][ T1153] kthread+0x3b5/0x4a0 [ 61.435258][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.441094][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.446825][ T1153] ret_from_fork+0x1f/0x30 [ 61.619202][ T1153] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1153 [ 61.628645][ T1153] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.634645][ T1153] CPU: 1 PID: 1153 Comm: khugepaged Not tainted 5.7.0-next-20200604-syzkaller #0 [ 61.643814][ T1153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.654154][ T1153] Call Trace: [ 61.657520][ T1153] dump_stack+0x18f/0x20d [ 61.661870][ T1153] check_preemption_disabled+0x20d/0x220 [ 61.667610][ T1153] ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.672924][ T1153] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.678633][ T1153] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 61.685337][ T1153] ext4_ext_map_blocks+0x201b/0x33e0 [ 61.691539][ T1153] ? ext4_ext_release+0x10/0x10 [ 61.696518][ T1153] ? down_write_killable+0x170/0x170 [ 61.701883][ T1153] ? ext4_es_lookup_extent+0x41d/0xd10 [ 61.707534][ T1153] ext4_map_blocks+0x4cb/0x1640 [ 61.712409][ T1153] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.717766][ T1153] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.723329][ T1153] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.729425][ T1153] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 61.734903][ T1153] ext4_writepages+0x1ab5/0x3400 [ 61.739867][ T1153] ? mark_lock+0x20/0xdd0 [ 61.744220][ T1153] ? __ext4_mark_inode_dirty+0x940/0x940 [ 61.749892][ T1153] ? __ext4_mark_inode_dirty+0x940/0x940 [ 61.755537][ T1153] ? do_writepages+0xfa/0x2a0 [ 61.760223][ T1153] do_writepages+0xfa/0x2a0 [ 61.764743][ T1153] ? page_writeback_cpu_online+0x10/0x10 [ 61.770398][ T1153] ? do_raw_spin_lock+0x120/0x2d0 [ 61.775450][ T1153] ? do_raw_spin_unlock+0x171/0x260 [ 61.780675][ T1153] ? _raw_spin_unlock+0x24/0x40 [ 61.785626][ T1153] __filemap_fdatawrite_range+0x2aa/0x390 [ 61.791364][ T1153] ? collapse_file+0x35a2/0x4330 [ 61.796431][ T1153] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 61.802535][ T1153] ? _raw_spin_unlock_irq+0x1f/0x80 [ 61.807742][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.813744][ T1153] collapse_file+0x35ac/0x4330 [ 61.818668][ T1153] ? collapse_huge_page+0x4350/0x4350 [ 61.824135][ T1153] ? khugepaged+0x2506/0x3fc0 [ 61.829008][ T1153] ? xas_find+0x31a/0x880 [ 61.833347][ T1153] ? check_preemption_disabled+0x38/0x220 [ 61.839264][ T1153] khugepaged+0x3041/0x3fc0 [ 61.843892][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.849553][ T1153] ? lock_downgrade+0x840/0x840 [ 61.854442][ T1153] ? finish_wait+0x260/0x260 [ 61.859045][ T1153] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 61.864944][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.871044][ T1153] ? __kthread_parkme+0x13f/0x1e0 [ 61.876090][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.882563][ T1153] kthread+0x3b5/0x4a0 [ 61.887780][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.893507][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.899393][ T1153] ret_from_fork+0x1f/0x30 [ 61.951152][ T1153] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1153 [ 61.962897][ T1153] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.970528][ T1153] CPU: 1 PID: 1153 Comm: khugepaged Not tainted 5.7.0-next-20200604-syzkaller #0 [ 61.979836][ T1153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.990424][ T1153] Call Trace: [ 61.993728][ T1153] dump_stack+0x18f/0x20d [ 61.998078][ T1153] check_preemption_disabled+0x20d/0x220 [ 62.003724][ T1153] ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.009076][ T1153] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.015463][ T1153] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 62.021728][ T1153] ext4_ext_map_blocks+0x201b/0x33e0 [ 62.027680][ T1153] ? ext4_ext_release+0x10/0x10 [ 62.032564][ T1153] ? down_write_killable+0x170/0x170 [ 62.037860][ T1153] ? ext4_es_lookup_extent+0x41d/0xd10 [ 62.043363][ T1153] ext4_map_blocks+0x4cb/0x1640 [ 62.048229][ T1153] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.053595][ T1153] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.059261][ T1153] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.065266][ T1153] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 62.070765][ T1153] ext4_writepages+0x1ab5/0x3400 [ 62.075804][ T1153] ? mark_lock+0x20/0xdd0 [ 62.080157][ T1153] ? __ext4_mark_inode_dirty+0x940/0x940 [ 62.085917][ T1153] ? __ext4_mark_inode_dirty+0x940/0x940 [ 62.091573][ T1153] ? do_writepages+0xfa/0x2a0 [ 62.096262][ T1153] do_writepages+0xfa/0x2a0 [ 62.100963][ T1153] ? page_writeback_cpu_online+0x10/0x10 [ 62.106826][ T1153] ? do_raw_spin_lock+0x120/0x2d0 [ 62.111957][ T1153] ? do_raw_spin_unlock+0x171/0x260 [ 62.117198][ T1153] ? _raw_spin_unlock+0x24/0x40 [ 62.122194][ T1153] __filemap_fdatawrite_range+0x2aa/0x390 [ 62.127926][ T1153] ? collapse_file+0x35a2/0x4330 [ 62.132874][ T1153] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 62.139120][ T1153] ? _raw_spin_unlock_irq+0x1f/0x80 [ 62.144339][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.150355][ T1153] collapse_file+0x35ac/0x4330 [ 62.155161][ T1153] ? collapse_huge_page+0x4350/0x4350 [ 62.160541][ T1153] ? khugepaged+0x2506/0x3fc0 [ 62.165255][ T1153] ? xas_find+0x31a/0x880 [ 62.169600][ T1153] ? check_preemption_disabled+0x38/0x220 [ 62.175553][ T1153] khugepaged+0x3041/0x3fc0 [ 62.180346][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.186004][ T1153] ? lock_downgrade+0x840/0x840 [ 62.190874][ T1153] ? finish_wait+0x260/0x260 [ 62.195491][ T1153] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 62.204357][ T1153] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.211029][ T1153] ? __kthread_parkme+0x13f/0x1e0 [ 62.216341][ T1153] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.222242][ T1153] kthread+0x3b5/0x4a0 [ 62.226411][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.232181][ T1153] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.238874][ T1153] ret_from_fork+0x1f/0x30 [ 62.267784][ T21] tipc: TX() has been purged, node left! executing program [ 63.419967][ T6804] can: request_module (can-proto-0) failed. [ 64.263806][ T6804] can: request_module (can-proto-0) failed. [ 64.275817][ T6804] can: request_module (can-proto-0) failed.