[ OK ] Started Getty on tty4. [ 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. Starting Load/Save RF Kill Switch Status... [ 52.792503][ T6730] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6730 [ 52.802050][ T6730] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 52.808351][ T6730] CPU: 1 PID: 6730 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 52.816628][ T6730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.826668][ T6730] Call Trace: [ 52.829945][ T6730] dump_stack+0x188/0x20d [ 52.834309][ T6730] debug_smp_processor_id.cold+0x88/0x9b [ 52.839970][ T6730] ext4_mb_new_blocks+0xa77/0x3b30 [ 52.846283][ T6730] ? ext4_ext_search_right+0x2ca/0xb20 [ 52.851719][ T6730] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 52.857434][ T6730] ext4_ext_map_blocks+0x2044/0x3410 [ 52.862702][ T6730] ? ext4_ext_release+0x10/0x10 [ 52.867539][ T6730] ? __down_timeout+0x2d0/0x2d0 [ 52.872366][ T6730] ? ext4_es_lookup_extent+0x41d/0xd30 [ 52.877840][ T6730] ext4_map_blocks+0x4cb/0x1640 [ 52.882676][ T6730] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 52.887854][ T6730] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.893377][ T6730] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 52.899678][ T6730] ? prandom_u32_state+0xe/0x170 [ 52.904595][ T6730] ? __brelse+0x84/0xa0 [ 52.908728][ T6730] ? __ext4_new_inode+0x144/0x57c0 [ 52.913816][ T6730] ext4_getblk+0xad/0x520 [ 52.918141][ T6730] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 52.923840][ T6730] ? ext4_free_inode+0x17e0/0x17e0 [ 52.928951][ T6730] ext4_bread+0x7c/0x380 [ 52.933200][ T6730] ? ext4_getblk+0x520/0x520 [ 52.937861][ T6730] ? dqget+0xff0/0xff0 [ 52.942013][ T6730] ext4_append+0x153/0x360 [ 52.946424][ T6730] ext4_mkdir+0x5e0/0xdf0 [ 52.950741][ T6730] ? ext4_rmdir+0xde0/0xde0 [ 52.955277][ T6730] ? security_inode_permission+0xc4/0xf0 [ 52.960892][ T6730] vfs_mkdir+0x419/0x690 [ 52.965115][ T6730] do_mkdirat+0x21e/0x280 [ 52.969422][ T6730] ? __ia32_sys_mknod+0xb0/0xb0 [ 52.974265][ T6730] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 52.980223][ T6730] ? do_syscall_64+0x21/0x7d0 [ 52.984877][ T6730] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 52.990851][ T6730] do_syscall_64+0xf6/0x7d0 [ 52.995336][ T6730] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 53.001205][ T6730] RIP: 0033:0x7f791a6fb687 [ 53.005612][ T6730] Code: 00 b8 ff ff ff ff c3 0f 1f 40 00 48 8b 05 09 d8 2b 00 64 c7 00 5f 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 d7 2b 00 f7 d8 64 89 01 48 [ 53.025199][ T6730] RSP: 002b:00007ffe62b23738 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 53.033799][ T6730] RAX: ffffffffffffffda RBX: 0000555b5ffa6985 RCX: 00007f791a6fb687 [ 53.041765][ T6730] RDX: 00007ffe62b23600 RSI: 00000000000001ed RDI: 0000555b5ffa6985 [ 53.049713][ T6730] RBP: 00007f791a6fb680 R08: 0000000000000100 R09: 0000000000000000 [ 53.057798][ T6730] R10: 0000555b5ffa6980 R11: 0000000000000246 R12: 00000000000001ed [ 53.065746][ T6730] R13: 00007ffe62b238c0 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 56.347436][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 56.356458][ T7] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 56.362637][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-syzkaller #0 [ 56.370442][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.380499][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 56.386622][ T7] Call Trace: [ 56.389903][ T7] dump_stack+0x188/0x20d [ 56.394215][ T7] debug_smp_processor_id.cold+0x88/0x9b [ 56.399829][ T7] ext4_mb_new_blocks+0xa77/0x3b30 [ 56.404918][ T7] ? __kmalloc+0x62f/0x7a0 [ 56.409341][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 56.414776][ T7] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 56.420491][ T7] ext4_ext_map_blocks+0x2044/0x3410 [ 56.425757][ T7] ? ext4_ext_release+0x10/0x10 [ 56.430615][ T7] ? __down_timeout+0x2d0/0x2d0 [ 56.435441][ T7] ? ext4_es_lookup_extent+0x41d/0xd30 [ 56.440875][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 56.446312][ T7] ext4_map_blocks+0x4cb/0x1640 [ 56.451174][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 56.456365][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 56.461804][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.467327][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.473288][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 56.478729][ T7] ext4_writepages+0x1ab7/0x3400 [ 56.483657][ T7] ? __ext4_mark_inode_dirty+0x950/0x950 [ 56.489270][ T7] ? __lock_acquire+0x2224/0x48a0 [ 56.494313][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.500303][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.506331][ T7] ? __ext4_mark_inode_dirty+0x950/0x950 [ 56.511959][ T7] ? do_writepages+0xfa/0x2a0 [ 56.516613][ T7] do_writepages+0xfa/0x2a0 [ 56.521102][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 56.526712][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 56.532152][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.537686][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.543640][ T7] ? lock_downgrade+0x840/0x840 [ 56.548471][ T7] __writeback_single_inode+0x12a/0x1410 [ 56.554087][ T7] ? _raw_spin_unlock+0x24/0x40 [ 56.558927][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 56.564887][ T7] writeback_sb_inodes+0x515/0xdd0 [ 56.569996][ T7] ? __writeback_single_inode+0x1410/0x1410 [ 56.575980][ T7] __writeback_inodes_wb+0xc3/0x250 [ 56.581176][ T7] wb_writeback+0x910/0xd90 [ 56.585657][ T7] ? print_usage_bug+0x240/0x240 [ 56.590574][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 56.596878][ T7] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 56.602761][ T7] ? cpumask_next+0x3c/0x40 [ 56.607265][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 56.612456][ T7] wb_workfn+0xadf/0x10d0 [ 56.616808][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 56.622330][ T7] ? debug_smp_processor_id+0x2f/0x185 [ 56.627823][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.633359][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.639435][ T7] process_one_work+0x965/0x16a0 [ 56.644360][ T7] ? lock_release+0x800/0x800 [ 56.649015][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 56.654367][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 56.659288][ T7] worker_thread+0x96/0xe10 [ 56.663800][ T7] ? process_one_work+0x16a0/0x16a0 [ 56.668991][ T7] kthread+0x388/0x470 [ 56.673038][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.678758][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.684456][ T7] ret_from_fork+0x24/0x30 Warning: Permanently added '10.128.0.211' (ECDSA) to the list of known hosts. 2020/06/13 17:42:55 fuzzer started 2020/06/13 17:42:55 connecting to host at 10.128.0.26:37467 2020/06/13 17:42:55 checking machine... 2020/06/13 17:42:55 checking revisions... 2020/06/13 17:42:55 testing simple program... [ 57.910903][ T6808] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6808 [ 57.920048][ T6808] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.925926][ T6808] CPU: 1 PID: 6808 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 57.933890][ T6808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.944632][ T6808] Call Trace: [ 57.947906][ T6808] dump_stack+0x188/0x20d [ 57.952233][ T6808] debug_smp_processor_id.cold+0x88/0x9b [ 57.957861][ T6808] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.962995][ T6808] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.968458][ T6808] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.974168][ T6808] ext4_ext_map_blocks+0x2044/0x3410 [ 57.979467][ T6808] ? ext4_ext_release+0x10/0x10 [ 57.984317][ T6808] ? __down_timeout+0x2d0/0x2d0 [ 57.989166][ T6808] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.994639][ T6808] ext4_map_blocks+0x4cb/0x1640 [ 57.999483][ T6808] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.004663][ T6808] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.010213][ T6808] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.016176][ T6808] ? prandom_u32_state+0xe/0x170 [ 58.021286][ T6808] ? __brelse+0x84/0xa0 [ 58.025421][ T6808] ? __ext4_new_inode+0x144/0x57c0 [ 58.030513][ T6808] ext4_getblk+0xad/0x520 [ 58.034821][ T6808] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.040520][ T6808] ? ext4_free_inode+0x17e0/0x17e0 [ 58.045711][ T6808] ext4_bread+0x7c/0x380 [ 58.049948][ T6808] ? ext4_getblk+0x520/0x520 [ 58.054537][ T6808] ? dqget+0xff0/0xff0 [ 58.058604][ T6808] ext4_append+0x153/0x360 [ 58.063000][ T6808] ext4_mkdir+0x5e0/0xdf0 [ 58.067327][ T6808] ? ext4_rmdir+0xde0/0xde0 [ 58.071813][ T6808] ? security_inode_permission+0xc4/0xf0 [ 58.077445][ T6808] vfs_mkdir+0x419/0x690 [ 58.081672][ T6808] do_mkdirat+0x21e/0x280 [ 58.085982][ T6808] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.090816][ T6808] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.096774][ T6808] ? do_syscall_64+0x21/0x7d0 [ 58.101444][ T6808] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.107407][ T6808] do_syscall_64+0xf6/0x7d0 [ 58.111918][ T6808] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.119525][ T6808] RIP: 0033:0x4b02a0 [ 58.123400][ T6808] 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 [ 58.143003][ T6808] RSP: 002b:000000c0000df4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 58.151399][ T6808] RAX: ffffffffffffffda RBX: 000000c00002c000 RCX: 00000000004b02a0 [ 58.159349][ T6808] RDX: 00000000000001c0 RSI: 000000c0002c0320 RDI: ffffffffffffff9c [ 58.167300][ T6808] RBP: 000000c0000df510 R08: 0000000000000000 R09: 0000000000000000 [ 58.175249][ T6808] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 58.183215][ T6808] R13: 000000000000001a R14: 0000000000000019 R15: 0000000000000100 [ 58.228498][ T6818] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6818 [ 58.238123][ T6818] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.244031][ T6818] CPU: 0 PID: 6818 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 58.253051][ T6818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.263196][ T6818] Call Trace: [ 58.266508][ T6818] dump_stack+0x188/0x20d [ 58.270851][ T6818] debug_smp_processor_id.cold+0x88/0x9b [ 58.276500][ T6818] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.281659][ T6818] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.287110][ T6818] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.292843][ T6818] ext4_ext_map_blocks+0x2044/0x3410 [ 58.298130][ T6818] ? ext4_ext_release+0x10/0x10 [ 58.302978][ T6818] ? __down_timeout+0x2d0/0x2d0 [ 58.307828][ T6818] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.313306][ T6818] ext4_map_blocks+0x4cb/0x1640 [ 58.318199][ T6818] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.323411][ T6818] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.328974][ T6818] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.334960][ T6818] ? prandom_u32_state+0xe/0x170 [ 58.339887][ T6818] ? __brelse+0x84/0xa0 [ 58.344109][ T6818] ? __ext4_new_inode+0x144/0x57c0 [ 58.349639][ T6818] ext4_getblk+0xad/0x520 [ 58.353954][ T6818] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.359754][ T6818] ? ext4_free_inode+0x17e0/0x17e0 [ 58.364858][ T6818] ext4_bread+0x7c/0x380 [ 58.369108][ T6818] ? ext4_getblk+0x520/0x520 [ 58.373697][ T6818] ? dqget+0xff0/0xff0 [ 58.377789][ T6818] ext4_append+0x153/0x360 [ 58.382210][ T6818] ext4_mkdir+0x5e0/0xdf0 [ 58.386576][ T6818] ? ext4_rmdir+0xde0/0xde0 [ 58.391137][ T6818] ? security_inode_permission+0xc4/0xf0 [ 58.396763][ T6818] vfs_mkdir+0x419/0x690 [ 58.400996][ T6818] do_mkdirat+0x21e/0x280 [ 58.405315][ T6818] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.410197][ T6818] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.416180][ T6818] ? do_syscall_64+0x21/0x7d0 [ 58.420854][ T6818] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.426938][ T6818] do_syscall_64+0xf6/0x7d0 [ 58.431443][ T6818] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.437321][ T6818] RIP: 0033:0x45bee7 [ 58.441217][ T6818] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.460975][ T6818] RSP: 002b:00007ffc3c23d648 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 58.469382][ T6818] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 58.477344][ T6818] RDX: 0000000000000002 RSI: 00000000000001c0 RDI: 00007ffc3c23d820 [ 58.485329][ T6818] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000002840 [ 58.493293][ T6818] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 58.501272][ T6818] R13: 00007ffc3c23d820 R14: 8421084210842109 R15: 00007ffc3c23d82c [ 58.586772][ T6819] IPVS: ftp: loaded support on port[0] = 21 [ 58.624484][ T6819] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6819 [ 58.633963][ T6819] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.640943][ T6819] CPU: 0 PID: 6819 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 58.649281][ T6819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.659505][ T6819] Call Trace: [ 58.662807][ T6819] dump_stack+0x188/0x20d [ 58.668362][ T6819] debug_smp_processor_id.cold+0x88/0x9b [ 58.674775][ T6819] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.682671][ T6819] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.688135][ T6819] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.693835][ T6819] ext4_ext_map_blocks+0x2044/0x3410 [ 58.699120][ T6819] ? ext4_ext_release+0x10/0x10 [ 58.703957][ T6819] ? __down_timeout+0x2d0/0x2d0 [ 58.708802][ T6819] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.714242][ T6819] ext4_map_blocks+0x4cb/0x1640 [ 58.719076][ T6819] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.724269][ T6819] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.729796][ T6819] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.735756][ T6819] ? prandom_u32_state+0xe/0x170 [ 58.740675][ T6819] ? __brelse+0x84/0xa0 [ 58.744817][ T6819] ? __ext4_new_inode+0x144/0x57c0 [ 58.749925][ T6819] ext4_getblk+0xad/0x520 [ 58.754268][ T6819] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.759989][ T6819] ? ext4_free_inode+0x17e0/0x17e0 [ 58.765096][ T6819] ext4_bread+0x7c/0x380 [ 58.769346][ T6819] ? ext4_getblk+0x520/0x520 [ 58.773926][ T6819] ? dqget+0xff0/0xff0 [ 58.778672][ T6819] ext4_append+0x153/0x360 [ 58.783094][ T6819] ext4_mkdir+0x5e0/0xdf0 [ 58.787499][ T6819] ? ext4_rmdir+0xde0/0xde0 [ 58.792072][ T6819] ? security_inode_permission+0xc4/0xf0 [ 58.797705][ T6819] vfs_mkdir+0x419/0x690 [ 58.801946][ T6819] do_mkdirat+0x21e/0x280 [ 58.806459][ T6819] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.811608][ T6819] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.817597][ T6819] ? do_syscall_64+0x21/0x7d0 [ 58.822413][ T6819] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.828407][ T6819] do_syscall_64+0xf6/0x7d0 [ 58.832920][ T6819] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.838791][ T6819] RIP: 0033:0x45bee7 [ 58.842681][ T6819] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.862386][ T6819] RSP: 002b:00007ffc3c23d538 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 58.870787][ T6819] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 58.878872][ T6819] RDX: 00007ffc3c23d583 RSI: 00000000000001ff RDI: 00007ffc3c23d580 [ 58.886830][ T6819] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 58.895783][ T6819] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185d0 [ 58.903867][ T6819] R13: 00007ffc3c23d570 R14: 0000000000000000 R15: 00007ffc3c23d580 [ 58.953578][ T6819] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6819 [ 58.963109][ T6819] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.969249][ T6819] CPU: 1 PID: 6819 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 58.978186][ T6819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.988333][ T6819] Call Trace: [ 58.991635][ T6819] dump_stack+0x188/0x20d [ 58.995983][ T6819] debug_smp_processor_id.cold+0x88/0x9b [ 59.001709][ T6819] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.006924][ T6819] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.012390][ T6819] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.018125][ T6819] ext4_ext_map_blocks+0x2044/0x3410 [ 59.023546][ T6819] ? ext4_ext_release+0x10/0x10 [ 59.028386][ T6819] ? __down_timeout+0x2d0/0x2d0 [ 59.033230][ T6819] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.038671][ T6819] ext4_map_blocks+0x4cb/0x1640 [ 59.043561][ T6819] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.048740][ T6819] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.054395][ T6819] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.060388][ T6819] ? prandom_u32_state+0xe/0x170 [ 59.065319][ T6819] ? __brelse+0x84/0xa0 [ 59.069529][ T6819] ? __ext4_new_inode+0x144/0x57c0 [ 59.074648][ T6819] ext4_getblk+0xad/0x520 [ 59.078971][ T6819] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.084985][ T6819] ? ext4_free_inode+0x17e0/0x17e0 [ 59.090139][ T6819] ext4_bread+0x7c/0x380 [ 59.094362][ T6819] ? ext4_getblk+0x520/0x520 [ 59.098962][ T6819] ? dqget+0xff0/0xff0 [ 59.103061][ T6819] ext4_append+0x153/0x360 [ 59.107478][ T6819] ext4_mkdir+0x5e0/0xdf0 [ 59.111801][ T6819] ? ext4_rmdir+0xde0/0xde0 [ 59.116289][ T6819] ? security_inode_permission+0xc4/0xf0 [ 59.121929][ T6819] vfs_mkdir+0x419/0x690 [ 59.126154][ T6819] do_mkdirat+0x21e/0x280 [ 59.130470][ T6819] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.135323][ T6819] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.141297][ T6819] ? do_syscall_64+0x21/0x7d0 [ 59.145966][ T6819] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.151944][ T6819] do_syscall_64+0xf6/0x7d0 [ 59.156429][ T6819] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.162299][ T6819] RIP: 0033:0x45bee7 [ 59.166178][ T6819] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.185868][ T6819] RSP: 002b:00007ffc3c23d538 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 59.194276][ T6819] RAX: ffffffffffffffda RBX: 000000000000e63b RCX: 000000000045bee7 2020/06/13 17:42:57 building call list... [ 59.202255][ T6819] RDX: 00007ffc3c23d583 RSI: 00000000000001ff RDI: 00007ffc3c23d580 [ 59.210758][ T6819] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 59.218713][ T6819] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 59.226681][ T6819] R13: 00007ffc3c23d570 R14: 000000000000e636 R15: 00007ffc3c23d580 [ 59.536267][ T7] tipc: TX() has been purged, node left! executing program [ 60.872570][ T6816] can: request_module (can-proto-0) failed. [ 60.992051][ T1157] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1157 [ 61.001345][ T1157] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 61.007322][ T1157] CPU: 1 PID: 1157 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 61.015286][ T1157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.025330][ T1157] Call Trace: [ 61.028799][ T1157] dump_stack+0x188/0x20d [ 61.033133][ T1157] debug_smp_processor_id.cold+0x88/0x9b [ 61.038768][ T1157] ext4_mb_new_blocks+0xa77/0x3b30 [ 61.043870][ T1157] ? __kmalloc+0x62f/0x7a0 [ 61.048296][ T1157] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.053747][ T1157] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 61.059905][ T1157] ext4_ext_map_blocks+0x2044/0x3410 [ 61.065281][ T1157] ? ext4_ext_release+0x10/0x10 [ 61.070142][ T1157] ? __down_timeout+0x2d0/0x2d0 [ 61.074990][ T1157] ? ext4_es_lookup_extent+0x41d/0xd30 [ 61.080450][ T1157] ext4_map_blocks+0x4cb/0x1640 [ 61.085302][ T1157] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.090495][ T1157] ? debug_smp_processor_id+0x2f/0x185 [ 61.095955][ T1157] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.101497][ T1157] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.108510][ T1157] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 61.113966][ T1157] ext4_writepages+0x1ab7/0x3400 [ 61.118907][ T1157] ? mark_lock+0x30/0xdd0 [ 61.123248][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 61.129020][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 61.134668][ T1157] ? do_writepages+0xfa/0x2a0 [ 61.139351][ T1157] do_writepages+0xfa/0x2a0 [ 61.143865][ T1157] ? page_writeback_cpu_online+0x10/0x10 [ 61.149496][ T1157] ? do_raw_spin_lock+0x129/0x2e0 [ 61.154540][ T1157] ? do_raw_spin_unlock+0x171/0x260 [ 61.159756][ T1157] ? _raw_spin_unlock+0x24/0x40 [ 61.164620][ T1157] __filemap_fdatawrite_range+0x2aa/0x390 [ 61.170342][ T1157] ? collapse_file+0x3575/0x4300 [ 61.177290][ T1157] ? delete_from_page_cache_batch+0xec0/0xec0 [ 61.183363][ T1157] ? _raw_spin_unlock_irq+0x1f/0x80 [ 61.188557][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.194537][ T1157] collapse_file+0x357f/0x4300 [ 61.199316][ T1157] ? collapse_huge_page+0x4370/0x4370 [ 61.204683][ T1157] ? khugepaged+0x24fa/0x3f80 [ 61.209462][ T1157] khugepaged+0x3049/0x3f80 [ 61.214030][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.219678][ T1157] ? lock_downgrade+0x840/0x840 [ 61.224508][ T1157] ? finish_wait+0x260/0x260 [ 61.230404][ T1157] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 61.236221][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.242228][ T1157] ? __kthread_parkme+0x13f/0x1e0 [ 61.247261][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.252937][ T1157] kthread+0x388/0x470 [ 61.256994][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.262690][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.268391][ T1157] ret_from_fork+0x24/0x30 [ 61.318673][ T1157] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1157 [ 61.328289][ T1157] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 61.334203][ T1157] CPU: 1 PID: 1157 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 61.342109][ T1157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.354281][ T1157] Call Trace: [ 61.357572][ T1157] dump_stack+0x188/0x20d [ 61.361907][ T1157] debug_smp_processor_id.cold+0x88/0x9b [ 61.367523][ T1157] ext4_mb_new_blocks+0xa77/0x3b30 [ 61.372623][ T1157] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.378153][ T1157] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 61.384288][ T1157] ext4_ext_map_blocks+0x2044/0x3410 [ 61.389559][ T1157] ? ext4_ext_release+0x10/0x10 [ 61.394408][ T1157] ? __down_timeout+0x2d0/0x2d0 [ 61.399245][ T1157] ? ext4_es_lookup_extent+0x41d/0xd30 [ 61.404687][ T1157] ext4_map_blocks+0x4cb/0x1640 [ 61.409630][ T1157] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.414831][ T1157] ? debug_smp_processor_id+0x2f/0x185 [ 61.420294][ T1157] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.426026][ T1157] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.432001][ T1157] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 61.437467][ T1157] ext4_writepages+0x1ab7/0x3400 [ 61.442392][ T1157] ? mark_lock+0x30/0xdd0 [ 61.446725][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 61.452355][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 61.457984][ T1157] ? do_writepages+0xfa/0x2a0 [ 61.462666][ T1157] do_writepages+0xfa/0x2a0 [ 61.467153][ T1157] ? page_writeback_cpu_online+0x10/0x10 [ 61.472784][ T1157] ? do_raw_spin_lock+0x129/0x2e0 [ 61.477788][ T1157] ? do_raw_spin_unlock+0x171/0x260 [ 61.482984][ T1157] ? _raw_spin_unlock+0x24/0x40 [ 61.487818][ T1157] __filemap_fdatawrite_range+0x2aa/0x390 [ 61.493524][ T1157] ? collapse_file+0x3575/0x4300 [ 61.498510][ T1157] ? delete_from_page_cache_batch+0xec0/0xec0 [ 61.504577][ T1157] ? _raw_spin_unlock_irq+0x1f/0x80 [ 61.510500][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.516497][ T1157] collapse_file+0x357f/0x4300 [ 61.521269][ T1157] ? collapse_huge_page+0x4370/0x4370 [ 61.526856][ T1157] ? khugepaged+0x24fa/0x3f80 [ 61.531717][ T1157] khugepaged+0x3049/0x3f80 [ 61.536358][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.542082][ T1157] ? lock_downgrade+0x840/0x840 [ 61.547001][ T1157] ? finish_wait+0x260/0x260 [ 61.551629][ T1157] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 61.557540][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.563513][ T1157] ? __kthread_parkme+0x13f/0x1e0 [ 61.568527][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.574144][ T1157] kthread+0x388/0x470 [ 61.578219][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.583918][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.589637][ T1157] ret_from_fork+0x24/0x30 [ 61.629398][ T1157] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1157 [ 61.640107][ T1157] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 61.646085][ T1157] CPU: 0 PID: 1157 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 61.654316][ T1157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.664366][ T1157] Call Trace: [ 61.667666][ T1157] dump_stack+0x188/0x20d [ 61.671998][ T1157] debug_smp_processor_id.cold+0x88/0x9b [ 61.677629][ T1157] ext4_mb_new_blocks+0xa77/0x3b30 [ 61.682753][ T1157] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.688218][ T1157] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 61.694415][ T1157] ext4_ext_map_blocks+0x2044/0x3410 [ 61.699704][ T1157] ? ext4_ext_release+0x10/0x10 [ 61.704571][ T1157] ? __down_timeout+0x2d0/0x2d0 [ 61.709420][ T1157] ? ext4_es_lookup_extent+0x41d/0xd30 [ 61.714968][ T1157] ext4_map_blocks+0x4cb/0x1640 [ 61.719964][ T1157] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.725267][ T1157] ? debug_smp_processor_id+0x2f/0x185 [ 61.731038][ T1157] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.736588][ T1157] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.742574][ T1157] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 61.748034][ T1157] ext4_writepages+0x1ab7/0x3400 [ 61.752951][ T1157] ? mark_lock+0x30/0xdd0 [ 61.760063][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 61.765707][ T1157] ? __ext4_mark_inode_dirty+0x950/0x950 [ 61.771347][ T1157] ? do_writepages+0xfa/0x2a0 [ 61.776118][ T1157] do_writepages+0xfa/0x2a0 [ 61.780629][ T1157] ? page_writeback_cpu_online+0x10/0x10 [ 61.786265][ T1157] ? do_raw_spin_lock+0x129/0x2e0 [ 61.797288][ T1157] ? do_raw_spin_unlock+0x171/0x260 [ 61.802553][ T1157] ? _raw_spin_unlock+0x24/0x40 [ 61.807414][ T1157] __filemap_fdatawrite_range+0x2aa/0x390 [ 61.813135][ T1157] ? collapse_file+0x3575/0x4300 [ 61.818055][ T1157] ? delete_from_page_cache_batch+0xec0/0xec0 [ 61.824117][ T1157] ? _raw_spin_unlock_irq+0x1f/0x80 [ 61.829295][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.835349][ T1157] collapse_file+0x357f/0x4300 [ 61.840102][ T1157] ? collapse_huge_page+0x4370/0x4370 [ 61.845450][ T1157] ? khugepaged+0x24fa/0x3f80 [ 61.850251][ T1157] khugepaged+0x3049/0x3f80 [ 61.854762][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.860552][ T1157] ? lock_downgrade+0x840/0x840 [ 61.865384][ T1157] ? finish_wait+0x260/0x260 [ 61.869959][ T1157] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 61.875752][ T1157] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.881819][ T1157] ? __kthread_parkme+0x13f/0x1e0 [ 61.886828][ T1157] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.892454][ T1157] kthread+0x388/0x470 [ 61.896500][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.902199][ T1157] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.907915][ T1157] ret_from_fork+0x24/0x30 [ 62.038915][ T6816] can: request_module (can-proto-0) failed. [ 62.051731][ T6816] can: request_module (can-proto-0) failed.