Starting Load/Save RF Kill Switch Status... [ 53.360455][ T6730] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6730 [ 53.370413][ T6730] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 53.376608][ T6730] CPU: 1 PID: 6730 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 53.384868][ T6730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.395264][ T6730] Call Trace: [ 53.398553][ T6730] dump_stack+0x188/0x20d [ 53.402898][ T6730] debug_smp_processor_id.cold+0x88/0x9b [ 53.408545][ T6730] ext4_mb_new_blocks+0xa77/0x3b30 [ 53.413741][ T6730] ? ext4_ext_search_right+0x2ca/0xb20 [ 53.419482][ T6730] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 53.425190][ T6730] ext4_ext_map_blocks+0x2044/0x3410 [ 53.430880][ T6730] ? ext4_ext_release+0x10/0x10 [ 53.435734][ T6730] ? __down_timeout+0x2d0/0x2d0 [ 53.441204][ T6730] ? ext4_es_lookup_extent+0x41d/0xd30 [ 53.446670][ T6730] ext4_map_blocks+0x4cb/0x1640 [ 53.451510][ T6730] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 53.456690][ T6730] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 53.463517][ T6730] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 53.469509][ T6730] ? prandom_u32_state+0xe/0x170 [ 53.474436][ T6730] ? __brelse+0x84/0xa0 [ 53.478593][ T6730] ? __ext4_new_inode+0x144/0x57c0 [ 53.484256][ T6730] ext4_getblk+0xad/0x520 [ 53.489038][ T6730] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 53.494825][ T6730] ? ext4_free_inode+0x17e0/0x17e0 [ 53.500030][ T6730] ext4_bread+0x7c/0x380 [ 53.504271][ T6730] ? ext4_getblk+0x520/0x520 [ 53.508949][ T6730] ? dqget+0xff0/0xff0 [ 53.513042][ T6730] ext4_append+0x153/0x360 [ 53.517460][ T6730] ext4_mkdir+0x5e0/0xdf0 [ 53.521817][ T6730] ? ext4_rmdir+0xde0/0xde0 [ 53.526340][ T6730] ? security_inode_permission+0xc4/0xf0 [ 53.532057][ T6730] vfs_mkdir+0x419/0x690 [ 53.536283][ T6730] do_mkdirat+0x21e/0x280 [ 53.540590][ T6730] ? __ia32_sys_mknod+0xb0/0xb0 [ 53.545437][ T6730] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 53.551415][ T6730] ? do_syscall_64+0x21/0x7d0 [ 53.556089][ T6730] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 53.562048][ T6730] do_syscall_64+0xf6/0x7d0 [ 53.566532][ T6730] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 53.572403][ T6730] RIP: 0033:0x7f4a24537687 [ 53.576811][ 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 [ 53.596400][ T6730] RSP: 002b:00007ffcf5e55d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 53.604876][ T6730] RAX: ffffffffffffffda RBX: 0000561b6b609985 RCX: 00007f4a24537687 [ 53.612840][ T6730] RDX: 00007ffcf5e55c40 RSI: 00000000000001ed RDI: 0000561b6b609985 [ 53.620807][ T6730] RBP: 00007f4a24537680 R08: 0000000000000100 R09: 0000000000000000 [ 53.628837][ T6730] R10: 0000561b6b609980 R11: 0000000000000246 R12: 00000000000001ed [ 53.636912][ T6730] R13: 00007ffcf5e55f00 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.182' (ECDSA) to the list of known hosts. 2020/06/15 23:26:25 fuzzer started syzkaller login: [ 58.234280][ T6756] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:6/6756 [ 58.243693][ T6756] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.249683][ T6756] CPU: 1 PID: 6756 Comm: kworker/u4:6 Not tainted 5.7.0-syzkaller #0 [ 58.257743][ T6756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.268452][ T6756] Workqueue: writeback wb_workfn (flush-8:0) [ 58.274488][ T6756] Call Trace: [ 58.277789][ T6756] dump_stack+0x188/0x20d [ 58.282116][ T6756] debug_smp_processor_id.cold+0x88/0x9b [ 58.287871][ T6756] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.293005][ T6756] ? __kmalloc+0x62f/0x7a0 [ 58.297465][ T6756] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.302998][ T6756] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.308734][ T6756] ext4_ext_map_blocks+0x2044/0x3410 [ 58.314008][ T6756] ? ext4_ext_release+0x10/0x10 [ 58.319083][ T6756] ? __down_timeout+0x2d0/0x2d0 [ 58.323932][ T6756] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.329436][ T6756] ? debug_smp_processor_id+0x2f/0x185 [ 58.334901][ T6756] ext4_map_blocks+0x4cb/0x1640 [ 58.339762][ T6756] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.345084][ T6756] ? debug_smp_processor_id+0x2f/0x185 [ 58.350570][ T6756] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.356164][ T6756] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.362159][ T6756] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 58.367637][ T6756] ext4_writepages+0x1ab7/0x3400 [ 58.372620][ T6756] ? __ext4_mark_inode_dirty+0x950/0x950 [ 58.378273][ T6756] ? __lock_acquire+0x2224/0x48a0 [ 58.383328][ T6756] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 58.389333][ T6756] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 58.395330][ T6756] ? __ext4_mark_inode_dirty+0x950/0x950 [ 58.400984][ T6756] ? do_writepages+0xfa/0x2a0 [ 58.405680][ T6756] do_writepages+0xfa/0x2a0 [ 58.410288][ T6756] ? page_writeback_cpu_online+0x10/0x10 [ 58.415926][ T6756] ? debug_smp_processor_id+0x2f/0x185 [ 58.421406][ T6756] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.426993][ T6756] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.432985][ T6756] ? lock_downgrade+0x840/0x840 [ 58.441332][ T6756] __writeback_single_inode+0x12a/0x1410 [ 58.446985][ T6756] ? _raw_spin_unlock+0x24/0x40 [ 58.451832][ T6756] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 58.457802][ T6756] writeback_sb_inodes+0x515/0xdd0 [ 58.462922][ T6756] ? __writeback_single_inode+0x1410/0x1410 [ 58.468901][ T6756] __writeback_inodes_wb+0xc3/0x250 [ 58.474125][ T6756] wb_writeback+0x910/0xd90 [ 58.478647][ T6756] ? print_usage_bug+0x240/0x240 [ 58.484465][ T6756] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 58.490800][ T6756] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 58.496796][ T6756] ? cpumask_next+0x3c/0x40 [ 58.501329][ T6756] ? get_nr_dirty_inodes+0xd6/0x130 [ 58.506539][ T6756] wb_workfn+0xadf/0x10d0 [ 58.510886][ T6756] ? inode_wait_for_writeback+0x30/0x30 [ 58.516433][ T6756] ? debug_smp_processor_id+0x2f/0x185 [ 58.521938][ T6756] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.527577][ T6756] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.533665][ T6756] process_one_work+0x965/0x16a0 [ 58.538618][ T6756] ? lock_release+0x800/0x800 [ 58.543322][ T6756] ? pwq_dec_nr_in_flight+0x310/0x310 [ 58.548703][ T6756] ? rwlock_bug.part.0+0x90/0x90 [ 58.553659][ T6756] worker_thread+0x96/0xe10 [ 58.558158][ T6756] ? process_one_work+0x16a0/0x16a0 [ 58.563341][ T6756] kthread+0x388/0x470 [ 58.567398][ T6756] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.573124][ T6756] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.578842][ T6756] ret_from_fork+0x24/0x30 2020/06/15 23:26:26 connecting to host at 10.128.0.26:44663 2020/06/15 23:26:26 checking machine... 2020/06/15 23:26:26 checking revisions... 2020/06/15 23:26:26 testing simple program... [ 58.939742][ T6796] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6796 [ 58.948865][ T6796] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.954868][ T6796] CPU: 1 PID: 6796 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 58.962761][ T6796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.972843][ T6796] Call Trace: [ 58.976140][ T6796] dump_stack+0x188/0x20d [ 58.980479][ T6796] debug_smp_processor_id.cold+0x88/0x9b [ 58.986252][ T6796] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.991402][ T6796] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.996949][ T6796] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.003122][ T6796] ext4_ext_map_blocks+0x2044/0x3410 [ 59.008492][ T6796] ? ext4_ext_release+0x10/0x10 [ 59.013467][ T6796] ? __down_timeout+0x2d0/0x2d0 [ 59.018767][ T6796] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.024219][ T6796] ext4_map_blocks+0x4cb/0x1640 [ 59.029145][ T6796] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.034336][ T6796] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.040233][ T6796] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.046203][ T6796] ? prandom_u32_state+0xe/0x170 [ 59.051395][ T6796] ? __brelse+0x84/0xa0 [ 59.055545][ T6796] ? __ext4_new_inode+0x144/0x57c0 [ 59.060653][ T6796] ext4_getblk+0xad/0x520 [ 59.064984][ T6796] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.071013][ T6796] ? ext4_free_inode+0x17e0/0x17e0 [ 59.076125][ T6796] ext4_bread+0x7c/0x380 [ 59.080355][ T6796] ? ext4_getblk+0x520/0x520 [ 59.084936][ T6796] ? dqget+0xff0/0xff0 [ 59.088992][ T6796] ext4_append+0x153/0x360 [ 59.095685][ T6796] ext4_mkdir+0x5e0/0xdf0 [ 59.100975][ T6796] ? ext4_rmdir+0xde0/0xde0 [ 59.105561][ T6796] ? security_inode_permission+0xc4/0xf0 [ 59.111201][ T6796] vfs_mkdir+0x419/0x690 [ 59.115443][ T6796] do_mkdirat+0x21e/0x280 [ 59.119939][ T6796] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.124860][ T6796] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.130909][ T6796] ? do_syscall_64+0x21/0x7d0 [ 59.135603][ T6796] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.141653][ T6796] do_syscall_64+0xf6/0x7d0 [ 59.146169][ T6796] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.152153][ T6796] RIP: 0033:0x4b02a0 [ 59.156145][ T6796] 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 [ 59.180116][ T6796] RSP: 002b:000000c00004f4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 59.188695][ T6796] RAX: ffffffffffffffda RBX: 000000c00002c000 RCX: 00000000004b02a0 [ 59.197356][ T6796] RDX: 00000000000001c0 RSI: 000000c0000267a0 RDI: ffffffffffffff9c [ 59.205395][ T6796] RBP: 000000c00004f510 R08: 0000000000000000 R09: 0000000000000000 [ 59.215270][ T6796] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 59.223340][ T6796] R13: 000000000000003e R14: 000000000000003d R15: 0000000000000100 [ 59.243504][ T6812] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6812 [ 59.253011][ T6812] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.259000][ T6812] CPU: 1 PID: 6812 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.267239][ T6812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.277362][ T6812] Call Trace: [ 59.280648][ T6812] dump_stack+0x188/0x20d [ 59.284962][ T6812] debug_smp_processor_id.cold+0x88/0x9b [ 59.290581][ T6812] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.295686][ T6812] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.301120][ T6812] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.306829][ T6812] ext4_ext_map_blocks+0x2044/0x3410 [ 59.312094][ T6812] ? ext4_ext_release+0x10/0x10 [ 59.317722][ T6812] ? __down_timeout+0x2d0/0x2d0 [ 59.322547][ T6812] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.327989][ T6812] ext4_map_blocks+0x4cb/0x1640 [ 59.332818][ T6812] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.338352][ T6812] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.343885][ T6812] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.349849][ T6812] ? prandom_u32_state+0xe/0x170 [ 59.354774][ T6812] ? __brelse+0x84/0xa0 [ 59.358906][ T6812] ? __ext4_new_inode+0x144/0x57c0 [ 59.363996][ T6812] ext4_getblk+0xad/0x520 [ 59.368379][ T6812] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.374105][ T6812] ? ext4_free_inode+0x17e0/0x17e0 [ 59.379210][ T6812] ext4_bread+0x7c/0x380 [ 59.383429][ T6812] ? ext4_getblk+0x520/0x520 [ 59.388268][ T6812] ? dqget+0xff0/0xff0 [ 59.392329][ T6812] ext4_append+0x153/0x360 [ 59.396741][ T6812] ext4_mkdir+0x5e0/0xdf0 [ 59.401062][ T6812] ? ext4_rmdir+0xde0/0xde0 [ 59.405546][ T6812] ? security_inode_permission+0xc4/0xf0 [ 59.411158][ T6812] vfs_mkdir+0x419/0x690 [ 59.415388][ T6812] do_mkdirat+0x21e/0x280 [ 59.419696][ T6812] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.424535][ T6812] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.430504][ T6812] ? do_syscall_64+0x21/0x7d0 [ 59.435170][ T6812] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.441129][ T6812] do_syscall_64+0xf6/0x7d0 [ 59.445699][ T6812] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.451584][ T6812] RIP: 0033:0x45bed7 [ 59.455459][ T6812] 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 [ 59.475140][ T6812] RSP: 002b:00007fff540820f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 59.483527][ T6812] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bed7 [ 59.491491][ T6812] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007fff540822d0 [ 59.499439][ T6812] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000003180 [ 59.507385][ T6812] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 59.515528][ T6812] R13: 00007fff540822d0 R14: 8421084210842109 R15: 00007fff540822dc [ 59.599141][ T6813] IPVS: ftp: loaded support on port[0] = 21 [ 59.637236][ T6813] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6813 [ 59.646710][ T6813] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.652590][ T6813] CPU: 0 PID: 6813 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.660852][ T6813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.670905][ T6813] Call Trace: [ 59.674190][ T6813] dump_stack+0x188/0x20d [ 59.678513][ T6813] debug_smp_processor_id.cold+0x88/0x9b [ 59.684122][ T6813] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.689215][ T6813] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.694652][ T6813] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.700363][ T6813] ext4_ext_map_blocks+0x2044/0x3410 [ 59.705923][ T6813] ? ext4_ext_release+0x10/0x10 [ 59.710783][ T6813] ? __down_timeout+0x2d0/0x2d0 [ 59.715624][ T6813] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.721076][ T6813] ext4_map_blocks+0x4cb/0x1640 [ 59.725909][ T6813] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.731094][ T6813] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.736617][ T6813] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.742574][ T6813] ? prandom_u32_state+0xe/0x170 [ 59.747500][ T6813] ? __brelse+0x84/0xa0 [ 59.751729][ T6813] ? __ext4_new_inode+0x144/0x57c0 [ 59.756834][ T6813] ext4_getblk+0xad/0x520 [ 59.761144][ T6813] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.766946][ T6813] ? ext4_free_inode+0x17e0/0x17e0 [ 59.772072][ T6813] ext4_bread+0x7c/0x380 [ 59.776295][ T6813] ? ext4_getblk+0x520/0x520 [ 59.780863][ T6813] ? dqget+0xff0/0xff0 [ 59.784931][ T6813] ext4_append+0x153/0x360 [ 59.789329][ T6813] ext4_mkdir+0x5e0/0xdf0 [ 59.793762][ T6813] ? ext4_rmdir+0xde0/0xde0 [ 59.798563][ T6813] ? security_inode_permission+0xc4/0xf0 [ 59.804190][ T6813] vfs_mkdir+0x419/0x690 [ 59.808435][ T6813] do_mkdirat+0x21e/0x280 [ 59.812765][ T6813] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.820378][ T6813] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.826353][ T6813] ? do_syscall_64+0x21/0x7d0 [ 59.831022][ T6813] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.837001][ T6813] do_syscall_64+0xf6/0x7d0 [ 59.841489][ T6813] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.847367][ T6813] RIP: 0033:0x45bed7 [ 59.851238][ T6813] 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 [ 59.871253][ T6813] RSP: 002b:00007fff54081fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 59.879667][ T6813] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bed7 [ 59.887724][ T6813] RDX: 00007fff54082033 RSI: 00000000000001ff RDI: 00007fff54082030 [ 59.895676][ T6813] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 59.903624][ T6813] R10: 0000000000000064 R11: 0000000000000206 R12: 00000000004185c0 [ 59.911581][ T6813] R13: 00007fff54082020 R14: 0000000000000000 R15: 00007fff54082030 [ 59.938901][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 59.948199][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.954204][ T1155] CPU: 1 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 59.962093][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.972155][ T1155] Call Trace: [ 59.975481][ T1155] dump_stack+0x188/0x20d [ 59.979823][ T1155] debug_smp_processor_id.cold+0x88/0x9b [ 59.985464][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.990815][ T1155] ? __kmalloc+0x62f/0x7a0 [ 59.995256][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.000726][ T1155] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.006467][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 60.011774][ T1155] ? ext4_ext_release+0x10/0x10 [ 60.016667][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 60.021532][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 60.026998][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 60.031877][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.037175][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 60.042736][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.048302][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.050125][ T6813] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6813 [ 60.054285][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 60.054328][ T1155] ext4_writepages+0x1ab7/0x3400 [ 60.054347][ T1155] ? mark_lock+0x30/0xdd0 [ 60.063726][ T6813] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 60.069147][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 60.089839][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 60.095468][ T1155] ? do_writepages+0xfa/0x2a0 [ 60.100134][ T1155] do_writepages+0xfa/0x2a0 [ 60.104628][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 60.110246][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 60.115252][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 60.120433][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 60.125291][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 60.131009][ T1155] ? collapse_file+0x3575/0x4300 [ 60.135954][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 60.142109][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 60.147290][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.153257][ T1155] collapse_file+0x357f/0x4300 [ 60.158018][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 60.163381][ T1155] ? khugepaged+0x24fa/0x3f80 [ 60.168055][ T1155] khugepaged+0x3049/0x3f80 [ 60.172559][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.178188][ T1155] ? lock_downgrade+0x840/0x840 [ 60.183119][ T1155] ? finish_wait+0x260/0x260 [ 60.187696][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 60.193484][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.199460][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 60.204480][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.210103][ T1155] kthread+0x388/0x470 [ 60.214157][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.219970][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.225762][ T1155] ret_from_fork+0x24/0x30 [ 60.230177][ T6813] CPU: 0 PID: 6813 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 60.238423][ T6813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.249002][ T6813] Call Trace: [ 60.252301][ T6813] dump_stack+0x188/0x20d [ 60.256651][ T6813] debug_smp_processor_id.cold+0x88/0x9b [ 60.262290][ T6813] ext4_mb_new_blocks+0xa77/0x3b30 [ 60.267409][ T6813] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.272879][ T6813] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.278616][ T6813] ext4_ext_map_blocks+0x2044/0x3410 [ 60.283930][ T6813] ? ext4_ext_release+0x10/0x10 [ 60.288800][ T6813] ? __down_timeout+0x2d0/0x2d0 [ 60.293737][ T6813] ? ext4_es_lookup_extent+0x41d/0xd30 [ 60.299213][ T6813] ext4_map_blocks+0x4cb/0x1640 [ 60.304070][ T6813] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.309376][ T6813] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.315045][ T6813] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.321536][ T6813] ? prandom_u32_state+0xe/0x170 [ 60.326474][ T6813] ? __brelse+0x84/0xa0 [ 60.330001][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 60.330728][ T6813] ? __ext4_new_inode+0x144/0x57c0 [ 60.340060][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 60.345048][ T6813] ext4_getblk+0xad/0x520 [ 60.345067][ T6813] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.345088][ T6813] ? ext4_free_inode+0x17e0/0x17e0 [ 60.345105][ T6813] ext4_bread+0x7c/0x380 [ 60.345125][ T6813] ? ext4_getblk+0x520/0x520 [ 60.374947][ T6813] ? dqget+0xff0/0xff0 [ 60.379015][ T6813] ext4_append+0x153/0x360 [ 60.383430][ T6813] ext4_mkdir+0x5e0/0xdf0 [ 60.387759][ T6813] ? ext4_rmdir+0xde0/0xde0 [ 60.392249][ T6813] ? security_inode_permission+0xc4/0xf0 [ 60.397881][ T6813] vfs_mkdir+0x419/0x690 [ 60.402108][ T6813] do_mkdirat+0x21e/0x280 [ 60.406437][ T6813] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.411279][ T6813] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.417254][ T6813] ? do_syscall_64+0x21/0x7d0 [ 60.422001][ T6813] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.427965][ T6813] do_syscall_64+0xf6/0x7d0 [ 60.432541][ T6813] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 60.438427][ T6813] RIP: 0033:0x45bed7 [ 60.442304][ T6813] 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 [ 60.461890][ T6813] RSP: 002b:00007fff54081fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 60.470297][ T6813] RAX: ffffffffffffffda RBX: 000000000000ea8e RCX: 000000000045bed7 [ 60.478257][ T6813] RDX: 00007fff54082033 RSI: 00000000000001ff RDI: 00007fff54082030 [ 60.486220][ T6813] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 60.494172][ T6813] R10: 0000000000000064 R11: 0000000000000206 R12: 0000000000000003 [ 60.502129][ T6813] R13: 00007fff54082020 R14: 000000000000ea37 R15: 00007fff54082030 [ 60.510101][ T1155] CPU: 1 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 60.517998][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.528056][ T1155] Call Trace: [ 60.531374][ T1155] dump_stack+0x188/0x20d [ 60.535716][ T1155] debug_smp_processor_id.cold+0x88/0x9b [ 60.541369][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 60.546597][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.552100][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 60.558256][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 60.563660][ T1155] ? ext4_ext_release+0x10/0x10 [ 60.568497][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 60.573347][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 60.579481][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 60.584324][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.589506][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 60.595092][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.600720][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.606690][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 60.612311][ T1155] ext4_writepages+0x1ab7/0x3400 [ 60.617240][ T1155] ? mark_lock+0x30/0xdd0 [ 60.621554][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 60.627201][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 60.632893][ T1155] ? do_writepages+0xfa/0x2a0 [ 60.637591][ T1155] do_writepages+0xfa/0x2a0 [ 60.642082][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 60.647735][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 60.652836][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 60.658125][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 60.663045][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 60.668756][ T1155] ? collapse_file+0x3575/0x4300 [ 60.674219][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 60.680270][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 60.685460][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.691430][ T1155] collapse_file+0x357f/0x4300 [ 60.696195][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 60.701546][ T1155] ? khugepaged+0x24fa/0x3f80 [ 60.706228][ T1155] khugepaged+0x3049/0x3f80 [ 60.710774][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.716432][ T1155] ? lock_downgrade+0x840/0x840 [ 60.721289][ T1155] ? finish_wait+0x260/0x260 [ 60.725862][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 60.731666][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.737654][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 60.742767][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.748388][ T1155] kthread+0x388/0x470 2020/06/15 23:26:28 building call list... [ 60.752435][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.758141][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.763864][ T1155] ret_from_fork+0x24/0x30 [ 60.861949][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 60.871220][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 60.878272][ T1155] CPU: 0 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 60.886239][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.896413][ T1155] Call Trace: [ 60.899724][ T1155] dump_stack+0x188/0x20d [ 60.904074][ T1155] debug_smp_processor_id.cold+0x88/0x9b [ 60.909705][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 60.914837][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.920312][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 60.926487][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 60.931788][ T1155] ? ext4_ext_release+0x10/0x10 [ 60.936740][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 60.941587][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 60.947137][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 60.952078][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.957287][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 60.962763][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.968318][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.974308][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 60.979790][ T1155] ext4_writepages+0x1ab7/0x3400 [ 60.984747][ T1155] ? mark_lock+0x30/0xdd0 [ 60.989105][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 60.995117][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 61.000754][ T1155] ? do_writepages+0xfa/0x2a0 [ 61.005436][ T1155] do_writepages+0xfa/0x2a0 [ 61.009949][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 61.015987][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 61.021032][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 61.026240][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 61.031099][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 61.036829][ T1155] ? collapse_file+0x3575/0x4300 [ 61.042035][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 61.048116][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 61.053315][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.059293][ T1155] collapse_file+0x357f/0x4300 [ 61.064078][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 61.069459][ T1155] ? khugepaged+0x24fa/0x3f80 [ 61.074156][ T1155] khugepaged+0x3049/0x3f80 [ 61.078690][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.084409][ T1155] ? lock_downgrade+0x840/0x840 [ 61.089256][ T1155] ? finish_wait+0x260/0x260 [ 61.093849][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 61.099755][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.105749][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 61.110774][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.116418][ T1155] kthread+0x388/0x470 [ 61.120481][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.126197][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.131917][ T1155] ret_from_fork+0x24/0x30 [ 61.353164][ T6756] tipc: TX() has been purged, node left! executing program [ 62.718503][ T6811] can: request_module (can-proto-0) failed. [ 63.237414][ T6811] can: request_module (can-proto-0) failed. [ 63.248851][ T6811] can: request_module (can-proto-0) failed.