[ 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... Starting Load/Save RF Kill Switch Status... [ 52.446594][ T6725] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6725 [ 52.456106][ T6725] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 52.462599][ T6725] CPU: 0 PID: 6725 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 52.462618][ T6725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.462623][ T6725] Call Trace: [ 52.462644][ T6725] dump_stack+0x188/0x20d [ 52.462661][ T6725] debug_smp_processor_id.cold+0x88/0x9b [ 52.462674][ T6725] ext4_mb_new_blocks+0xa77/0x3b30 [ 52.462712][ T6725] ? ext4_ext_search_right+0x2ca/0xb20 [ 52.462726][ T6725] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 52.462746][ T6725] ext4_ext_map_blocks+0x2044/0x3410 [ 52.462766][ T6725] ? ext4_ext_release+0x10/0x10 [ 52.462795][ T6725] ? __down_timeout+0x2d0/0x2d0 [ 52.462809][ T6725] ? ext4_es_lookup_extent+0x41d/0xd30 [ 52.462830][ T6725] ext4_map_blocks+0x4cb/0x1640 [ 52.462850][ T6725] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 52.462864][ T6725] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.462880][ T6725] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 52.462894][ T6725] ? prandom_u32_state+0xe/0x170 [ 52.462911][ T6725] ? __brelse+0x84/0xa0 [ 52.462925][ T6725] ? __ext4_new_inode+0x144/0x57c0 [ 52.462945][ T6725] ext4_getblk+0xad/0x520 [ 52.462963][ T6725] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 52.462983][ T6725] ? ext4_free_inode+0x17e0/0x17e0 [ 52.463001][ T6725] ext4_bread+0x7c/0x380 [ 52.463016][ T6725] ? ext4_getblk+0x520/0x520 [ 52.463030][ T6725] ? dqget+0xff0/0xff0 [ 52.463050][ T6725] ext4_append+0x153/0x360 [ 52.463066][ T6725] ext4_mkdir+0x5e0/0xdf0 [ 52.463087][ T6725] ? ext4_rmdir+0xde0/0xde0 [ 52.463105][ T6725] ? security_inode_permission+0xc4/0xf0 [ 52.463142][ T6725] vfs_mkdir+0x419/0x690 [ 52.463162][ T6725] do_mkdirat+0x21e/0x280 [ 52.463180][ T6725] ? __ia32_sys_mknod+0xb0/0xb0 [ 52.463201][ T6725] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 52.463219][ T6725] ? do_syscall_64+0x21/0x7d0 [ 52.463233][ T6725] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 52.463253][ T6725] do_syscall_64+0xf6/0x7d0 [ 52.463271][ T6725] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 52.463283][ T6725] RIP: 0033:0x7f5b7b5d4687 [ 52.463297][ T6725] Code: 00 b8 ff ff ff ff c3 0f 1f 40 00 48 8b 05 09 d8 2b 00 64 c7 00 5f 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 d7 2b 00 f7 d8 64 89 01 48 [ 52.463304][ T6725] RSP: 002b:00007ffd7d2f8348 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 52.463318][ T6725] RAX: ffffffffffffffda RBX: 0000561c0913a985 RCX: 00007f5b7b5d4687 [ 52.463326][ T6725] RDX: 00007ffd7d2f8210 RSI: 00000000000001ed RDI: 0000561c0913a985 [ 52.463334][ T6725] RBP: 00007f5b7b5d4680 R08: 0000000000000100 R09: 0000000000000000 [ 52.463342][ T6725] R10: 0000561c0913a980 R11: 0000000000000246 R12: 00000000000001ed [ 52.463350][ T6725] R13: 00007ffd7d2f84d0 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 57.011244][ T222] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:5/222 [ 57.020643][ T222] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.026872][ T222] CPU: 1 PID: 222 Comm: kworker/u4:5 Not tainted 5.7.0-syzkaller #0 [ 57.034856][ T222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.045031][ T222] Workqueue: writeback wb_workfn (flush-8:0) [ 57.051003][ T222] Call Trace: [ 57.054289][ T222] dump_stack+0x188/0x20d [ 57.058604][ T222] debug_smp_processor_id.cold+0x88/0x9b [ 57.064219][ T222] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.069377][ T222] ? __kmalloc+0x62f/0x7a0 [ 57.073803][ T222] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.079257][ T222] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.084980][ T222] ext4_ext_map_blocks+0x2044/0x3410 [ 57.090298][ T222] ? ext4_ext_release+0x10/0x10 [ 57.095178][ T222] ? __down_timeout+0x2d0/0x2d0 [ 57.100018][ T222] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.105463][ T222] ? debug_smp_processor_id+0x2f/0x185 [ 57.110914][ T222] ext4_map_blocks+0x4cb/0x1640 [ 57.116541][ T222] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.121733][ T222] ? debug_smp_processor_id+0x2f/0x185 [ 57.127203][ T222] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.132742][ T222] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.138726][ T222] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.144182][ T222] ext4_writepages+0x1ab7/0x3400 [ 57.149133][ T222] ? __ext4_mark_inode_dirty+0x950/0x950 [ 57.154768][ T222] ? __lock_acquire+0x2224/0x48a0 [ 57.159819][ T222] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.165803][ T222] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.172589][ T222] ? __ext4_mark_inode_dirty+0x950/0x950 [ 57.178211][ T222] ? do_writepages+0xfa/0x2a0 [ 57.182887][ T222] do_writepages+0xfa/0x2a0 [ 57.187479][ T222] ? page_writeback_cpu_online+0x10/0x10 [ 57.193098][ T222] ? debug_smp_processor_id+0x2f/0x185 [ 57.198539][ T222] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.204067][ T222] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.210025][ T222] ? lock_downgrade+0x840/0x840 [ 57.214877][ T222] __writeback_single_inode+0x12a/0x1410 [ 57.220491][ T222] ? _raw_spin_unlock+0x24/0x40 [ 57.225410][ T222] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 57.231372][ T222] writeback_sb_inodes+0x515/0xdd0 [ 57.236489][ T222] ? __writeback_single_inode+0x1410/0x1410 [ 57.242479][ T222] __writeback_inodes_wb+0xc3/0x250 [ 57.247676][ T222] wb_writeback+0x910/0xd90 [ 57.252162][ T222] ? print_usage_bug+0x240/0x240 [ 57.257087][ T222] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 57.263394][ T222] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 57.269281][ T222] ? cpumask_next+0x3c/0x40 [ 57.273768][ T222] ? get_nr_dirty_inodes+0xd6/0x130 [ 57.278957][ T222] wb_workfn+0xadf/0x10d0 [ 57.283278][ T222] ? inode_wait_for_writeback+0x30/0x30 [ 57.289584][ T222] ? debug_smp_processor_id+0x2f/0x185 [ 57.295027][ T222] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.300650][ T222] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.306617][ T222] process_one_work+0x965/0x16a0 [ 57.311652][ T222] ? lock_release+0x800/0x800 [ 57.316359][ T222] ? pwq_dec_nr_in_flight+0x310/0x310 [ 57.321735][ T222] ? rwlock_bug.part.0+0x90/0x90 [ 57.326683][ T222] worker_thread+0x96/0xe10 [ 57.331209][ T222] ? process_one_work+0x16a0/0x16a0 [ 57.336446][ T222] kthread+0x388/0x470 [ 57.340536][ T222] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.346240][ T222] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.351943][ T222] ret_from_fork+0x24/0x30 Warning: Permanently added '10.128.10.60' (ECDSA) to the list of known hosts. 2020/06/13 03:38:20 fuzzer started 2020/06/13 03:38:20 connecting to host at 10.128.0.26:38881 2020/06/13 03:38:20 checking machine... 2020/06/13 03:38:20 checking revisions... 2020/06/13 03:38:21 testing simple program... [ 58.111163][ T6794] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6794 [ 58.120416][ T6794] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.126433][ T6794] CPU: 0 PID: 6794 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 58.134349][ T6794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.144393][ T6794] Call Trace: [ 58.147676][ T6794] dump_stack+0x188/0x20d [ 58.151991][ T6794] debug_smp_processor_id.cold+0x88/0x9b [ 58.157606][ T6794] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.162711][ T6794] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.168166][ T6794] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.173886][ T6794] ext4_ext_map_blocks+0x2044/0x3410 [ 58.179172][ T6794] ? ext4_ext_release+0x10/0x10 [ 58.184018][ T6794] ? __down_timeout+0x2d0/0x2d0 [ 58.188868][ T6794] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.194313][ T6794] ext4_map_blocks+0x4cb/0x1640 [ 58.199284][ T6794] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.204551][ T6794] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.210092][ T6794] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.216056][ T6794] ? prandom_u32_state+0xe/0x170 [ 58.220979][ T6794] ? __brelse+0x84/0xa0 [ 58.225116][ T6794] ? __ext4_new_inode+0x144/0x57c0 [ 58.230209][ T6794] ext4_getblk+0xad/0x520 [ 58.234525][ T6794] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.240228][ T6794] ? ext4_free_inode+0x17e0/0x17e0 [ 58.245437][ T6794] ext4_bread+0x7c/0x380 [ 58.249662][ T6794] ? ext4_getblk+0x520/0x520 [ 58.254254][ T6794] ? dqget+0xff0/0xff0 [ 58.258328][ T6794] ext4_append+0x153/0x360 [ 58.262730][ T6794] ext4_mkdir+0x5e0/0xdf0 [ 58.267044][ T6794] ? ext4_rmdir+0xde0/0xde0 [ 58.271532][ T6794] ? security_inode_permission+0xc4/0xf0 [ 58.277148][ T6794] vfs_mkdir+0x419/0x690 [ 58.282338][ T6794] do_mkdirat+0x21e/0x280 [ 58.286651][ T6794] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.291482][ T6794] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.297459][ T6794] ? do_syscall_64+0x21/0x7d0 [ 58.302119][ T6794] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.308274][ T6794] do_syscall_64+0xf6/0x7d0 [ 58.312763][ T6794] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.318652][ T6794] RIP: 0033:0x4b02a0 [ 58.322530][ T6794] 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 [ 58.342226][ T6794] RSP: 002b:000000c0000df4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 58.350617][ T6794] RAX: ffffffffffffffda RBX: 000000c00002c000 RCX: 00000000004b02a0 [ 58.358569][ T6794] RDX: 00000000000001c0 RSI: 000000c000026ac0 RDI: ffffffffffffff9c [ 58.366521][ T6794] RBP: 000000c0000df510 R08: 0000000000000000 R09: 0000000000000000 [ 58.374473][ T6794] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 58.382599][ T6794] R13: 0000000000000057 R14: 0000000000000056 R15: 0000000000000100 [ 58.400369][ T6811] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6811 [ 58.409933][ T6811] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.415945][ T6811] CPU: 0 PID: 6811 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 58.424177][ T6811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.434215][ T6811] Call Trace: [ 58.437493][ T6811] dump_stack+0x188/0x20d [ 58.441808][ T6811] debug_smp_processor_id.cold+0x88/0x9b [ 58.447435][ T6811] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.452557][ T6811] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.458327][ T6811] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.464033][ T6811] ext4_ext_map_blocks+0x2044/0x3410 [ 58.469320][ T6811] ? ext4_ext_release+0x10/0x10 [ 58.474183][ T6811] ? __down_timeout+0x2d0/0x2d0 [ 58.479015][ T6811] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.484545][ T6811] ext4_map_blocks+0x4cb/0x1640 [ 58.489410][ T6811] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.494605][ T6811] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.500142][ T6811] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.506448][ T6811] ? prandom_u32_state+0xe/0x170 [ 58.511374][ T6811] ? __brelse+0x84/0xa0 [ 58.515512][ T6811] ? __ext4_new_inode+0x144/0x57c0 [ 58.520615][ T6811] ext4_getblk+0xad/0x520 [ 58.524932][ T6811] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.530676][ T6811] ? ext4_free_inode+0x17e0/0x17e0 [ 58.535854][ T6811] ext4_bread+0x7c/0x380 [ 58.540077][ T6811] ? ext4_getblk+0x520/0x520 [ 58.544645][ T6811] ? dqget+0xff0/0xff0 [ 58.548712][ T6811] ext4_append+0x153/0x360 [ 58.553147][ T6811] ext4_mkdir+0x5e0/0xdf0 [ 58.557554][ T6811] ? ext4_rmdir+0xde0/0xde0 [ 58.562124][ T6811] ? security_inode_permission+0xc4/0xf0 [ 58.567743][ T6811] vfs_mkdir+0x419/0x690 [ 58.571965][ T6811] do_mkdirat+0x21e/0x280 [ 58.576274][ T6811] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.581117][ T6811] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.589159][ T6811] ? do_syscall_64+0x21/0x7d0 [ 58.593814][ T6811] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.599771][ T6811] do_syscall_64+0xf6/0x7d0 [ 58.604253][ T6811] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.610173][ T6811] RIP: 0033:0x45bee7 [ 58.614051][ T6811] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.633734][ T6811] RSP: 002b:00007fff623e09b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 58.642374][ T6811] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 58.650322][ T6811] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007fff623e0b90 [ 58.658356][ T6811] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000002f00 [ 58.666303][ T6811] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 58.674339][ T6811] R13: 00007fff623e0b90 R14: 8421084210842109 R15: 00007fff623e0b9c [ 58.759004][ T6812] IPVS: ftp: loaded support on port[0] = 21 [ 58.798321][ T6812] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6812 [ 58.807935][ T6812] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 58.813918][ T6812] CPU: 1 PID: 6812 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 58.822137][ T6812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.832296][ T6812] Call Trace: [ 58.835579][ T6812] dump_stack+0x188/0x20d [ 58.839887][ T6812] debug_smp_processor_id.cold+0x88/0x9b [ 58.845508][ T6812] ext4_mb_new_blocks+0xa77/0x3b30 [ 58.850880][ T6812] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.856315][ T6812] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.862012][ T6812] ext4_ext_map_blocks+0x2044/0x3410 [ 58.867364][ T6812] ? ext4_ext_release+0x10/0x10 [ 58.872199][ T6812] ? __down_timeout+0x2d0/0x2d0 [ 58.877045][ T6812] ? ext4_es_lookup_extent+0x41d/0xd30 [ 58.882484][ T6812] ext4_map_blocks+0x4cb/0x1640 [ 58.887315][ T6812] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.892488][ T6812] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.898008][ T6812] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.903970][ T6812] ? prandom_u32_state+0xe/0x170 [ 58.908895][ T6812] ? __brelse+0x84/0xa0 [ 58.913044][ T6812] ? __ext4_new_inode+0x144/0x57c0 [ 58.918135][ T6812] ext4_getblk+0xad/0x520 [ 58.922532][ T6812] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.928241][ T6812] ? ext4_free_inode+0x17e0/0x17e0 [ 58.933344][ T6812] ext4_bread+0x7c/0x380 [ 58.937574][ T6812] ? ext4_getblk+0x520/0x520 [ 58.942155][ T6812] ? dqget+0xff0/0xff0 [ 58.946213][ T6812] ext4_append+0x153/0x360 [ 58.950622][ T6812] ext4_mkdir+0x5e0/0xdf0 [ 58.954934][ T6812] ? ext4_rmdir+0xde0/0xde0 [ 58.959414][ T6812] ? security_inode_permission+0xc4/0xf0 [ 58.965026][ T6812] vfs_mkdir+0x419/0x690 [ 58.969265][ T6812] do_mkdirat+0x21e/0x280 [ 58.973587][ T6812] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.978415][ T6812] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.984583][ T6812] ? do_syscall_64+0x21/0x7d0 [ 58.989250][ T6812] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.995234][ T6812] do_syscall_64+0xf6/0x7d0 [ 58.999757][ T6812] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.005641][ T6812] RIP: 0033:0x45bee7 [ 59.009521][ 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 [ 59.029417][ T6812] RSP: 002b:00007fff623e08a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 59.037814][ T6812] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 59.045778][ T6812] RDX: 00007fff623e08f3 RSI: 00000000000001ff RDI: 00007fff623e08f0 [ 59.053730][ T6812] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 59.061692][ T6812] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185d0 [ 59.069649][ T6812] R13: 00007fff623e08e0 R14: 0000000000000000 R15: 00007fff623e08f0 [ 59.108574][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 59.118006][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.124007][ T1155] CPU: 1 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 59.131894][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.141947][ T1155] Call Trace: [ 59.145246][ T1155] dump_stack+0x188/0x20d [ 59.149593][ T1155] debug_smp_processor_id.cold+0x88/0x9b [ 59.155322][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.160631][ T1155] ? __kmalloc+0x62f/0x7a0 [ 59.165161][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.171073][ T1155] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.176810][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 59.182135][ T1155] ? ext4_ext_release+0x10/0x10 [ 59.187013][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 59.191871][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.197329][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 59.202162][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.207337][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 59.212779][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.218303][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.224762][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 59.230220][ T1155] ext4_writepages+0x1ab7/0x3400 [ 59.235160][ T1155] ? mark_lock+0x30/0xdd0 [ 59.239493][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 59.245197][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 59.250812][ T1155] ? do_writepages+0xfa/0x2a0 [ 59.255482][ T1155] do_writepages+0xfa/0x2a0 [ 59.259967][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 59.265606][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 59.270620][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 59.275799][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 59.280631][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 59.286340][ T1155] ? collapse_file+0x3575/0x4300 [ 59.291254][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 59.297415][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 59.303979][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.309937][ T1155] collapse_file+0x357f/0x4300 [ 59.314714][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 59.320076][ T1155] ? khugepaged+0x24fa/0x3f80 [ 59.324758][ T1155] khugepaged+0x3049/0x3f80 [ 59.329264][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.334887][ T1155] ? lock_downgrade+0x840/0x840 [ 59.339718][ T1155] ? finish_wait+0x260/0x260 [ 59.344289][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 59.350074][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.356060][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 59.361067][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.366702][ T1155] kthread+0x388/0x470 [ 59.370749][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.376443][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.382155][ T1155] ret_from_fork+0x24/0x30 [ 59.390104][ T6812] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6812 [ 59.399547][ T6812] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.405527][ T6812] CPU: 1 PID: 6812 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.413765][ T6812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.423828][ T6812] Call Trace: [ 59.427145][ T6812] dump_stack+0x188/0x20d [ 59.431571][ T6812] debug_smp_processor_id.cold+0x88/0x9b [ 59.437212][ T6812] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.442339][ T6812] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.447800][ T6812] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.453519][ T6812] ext4_ext_map_blocks+0x2044/0x3410 [ 59.458825][ T6812] ? ext4_ext_release+0x10/0x10 [ 59.463678][ T6812] ? __down_timeout+0x2d0/0x2d0 [ 59.468616][ T6812] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.474067][ T6812] ext4_map_blocks+0x4cb/0x1640 [ 59.478921][ T6812] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.484114][ T6812] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.489640][ T6812] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.495625][ T6812] ? prandom_u32_state+0xe/0x170 [ 59.500546][ T6812] ? __brelse+0x84/0xa0 [ 59.504773][ T6812] ? __ext4_new_inode+0x144/0x57c0 [ 59.509871][ T6812] ext4_getblk+0xad/0x520 [ 59.514181][ T6812] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.519898][ T6812] ? ext4_free_inode+0x17e0/0x17e0 [ 59.524994][ T6812] ext4_bread+0x7c/0x380 [ 59.529213][ T6812] ? ext4_getblk+0x520/0x520 [ 59.533796][ T6812] ? dqget+0xff0/0xff0 [ 59.537861][ T6812] ext4_append+0x153/0x360 [ 59.542367][ T6812] ext4_mkdir+0x5e0/0xdf0 [ 59.546695][ T6812] ? ext4_rmdir+0xde0/0xde0 [ 59.551197][ T6812] ? security_inode_permission+0xc4/0xf0 [ 59.556812][ T6812] vfs_mkdir+0x419/0x690 [ 59.561043][ T6812] do_mkdirat+0x21e/0x280 [ 59.565375][ T6812] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.570204][ T6812] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.577133][ T6812] ? do_syscall_64+0x21/0x7d0 [ 59.581808][ T6812] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.587768][ T6812] do_syscall_64+0xf6/0x7d0 [ 59.592267][ T6812] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.598154][ T6812] RIP: 0033:0x45bee7 2020/06/13 03:38:22 building call list... [ 59.602064][ 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 [ 59.621669][ T6812] RSP: 002b:00007fff623e08a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 59.630061][ T6812] RAX: ffffffffffffffda RBX: 000000000000e6f1 RCX: 000000000045bee7 [ 59.638135][ T6812] RDX: 00007fff623e08f3 RSI: 00000000000001ff RDI: 00007fff623e08f0 [ 59.646331][ T6812] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 59.654356][ T6812] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 59.662371][ T6812] R13: 00007fff623e08e0 R14: 000000000000e6db R15: 00007fff623e08f0 [ 59.715140][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 59.724347][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.730379][ T1155] CPU: 1 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 59.738506][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.748633][ T1155] Call Trace: [ 59.751987][ T1155] dump_stack+0x188/0x20d [ 59.756317][ T1155] debug_smp_processor_id.cold+0x88/0x9b [ 59.761947][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.767282][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.772748][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 59.778899][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 59.784212][ T1155] ? ext4_ext_release+0x10/0x10 [ 59.789100][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 59.793945][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.799403][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 59.804558][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.809889][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 59.815358][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.821031][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.827111][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 59.832573][ T1155] ext4_writepages+0x1ab7/0x3400 [ 59.837509][ T1155] ? mark_lock+0x30/0xdd0 [ 59.842044][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 59.847796][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 59.853437][ T1155] ? do_writepages+0xfa/0x2a0 [ 59.858112][ T1155] do_writepages+0xfa/0x2a0 [ 59.862787][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 59.868585][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 59.873612][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 59.878805][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 59.883642][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 59.889442][ T1155] ? collapse_file+0x3575/0x4300 [ 59.894373][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 59.900488][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 59.905689][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.911811][ T1155] collapse_file+0x357f/0x4300 [ 59.916599][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 59.922299][ T1155] ? khugepaged+0x24fa/0x3f80 [ 59.927094][ T1155] khugepaged+0x3049/0x3f80 [ 59.931959][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.937626][ T1155] ? lock_downgrade+0x840/0x840 [ 59.942627][ T1155] ? finish_wait+0x260/0x260 [ 59.947464][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 59.953276][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.959410][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 59.964430][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 59.970048][ T1155] kthread+0x388/0x470 [ 59.974111][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.979832][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.985561][ T1155] ret_from_fork+0x24/0x30 [ 60.082547][ T1155] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1155 [ 60.091650][ T1155] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 60.097640][ T1155] CPU: 0 PID: 1155 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 60.105522][ T1155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.115659][ T1155] Call Trace: [ 60.118950][ T1155] dump_stack+0x188/0x20d [ 60.123450][ T1155] debug_smp_processor_id.cold+0x88/0x9b [ 60.129075][ T1155] ext4_mb_new_blocks+0xa77/0x3b30 [ 60.134189][ T1155] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.139849][ T1155] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 60.146008][ T1155] ext4_ext_map_blocks+0x2044/0x3410 [ 60.151405][ T1155] ? ext4_ext_release+0x10/0x10 [ 60.156265][ T1155] ? __down_timeout+0x2d0/0x2d0 [ 60.161253][ T1155] ? ext4_es_lookup_extent+0x41d/0xd30 [ 60.166747][ T1155] ext4_map_blocks+0x4cb/0x1640 [ 60.171603][ T1155] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.176792][ T1155] ? debug_smp_processor_id+0x2f/0x185 [ 60.182250][ T1155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.187972][ T1155] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.194042][ T1155] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 60.199531][ T1155] ext4_writepages+0x1ab7/0x3400 [ 60.204482][ T1155] ? mark_lock+0x30/0xdd0 [ 60.208818][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 60.214479][ T1155] ? __ext4_mark_inode_dirty+0x950/0x950 [ 60.220121][ T1155] ? do_writepages+0xfa/0x2a0 [ 60.224917][ T1155] do_writepages+0xfa/0x2a0 [ 60.229538][ T1155] ? page_writeback_cpu_online+0x10/0x10 [ 60.235174][ T1155] ? do_raw_spin_lock+0x129/0x2e0 [ 60.240369][ T1155] ? do_raw_spin_unlock+0x171/0x260 [ 60.245573][ T1155] ? _raw_spin_unlock+0x24/0x40 [ 60.250521][ T1155] __filemap_fdatawrite_range+0x2aa/0x390 [ 60.256318][ T1155] ? collapse_file+0x3575/0x4300 [ 60.261256][ T1155] ? delete_from_page_cache_batch+0xec0/0xec0 [ 60.267593][ T1155] ? _raw_spin_unlock_irq+0x1f/0x80 [ 60.272793][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.279806][ T1155] collapse_file+0x357f/0x4300 [ 60.284588][ T1155] ? collapse_huge_page+0x4370/0x4370 [ 60.289966][ T1155] ? khugepaged+0x24fa/0x3f80 [ 60.294798][ T1155] khugepaged+0x3049/0x3f80 [ 60.299315][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.304954][ T1155] ? lock_downgrade+0x840/0x840 [ 60.309895][ T1155] ? finish_wait+0x260/0x260 [ 60.314491][ T1155] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 60.320312][ T1155] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.326301][ T1155] ? __kthread_parkme+0x13f/0x1e0 [ 60.331323][ T1155] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.337482][ T1155] kthread+0x388/0x470 [ 60.341557][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.347359][ T1155] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.353079][ T1155] ret_from_fork+0x24/0x30 [ 60.532033][ T222] tipc: TX() has been purged, node left! executing program [ 62.012008][ T6806] can: request_module (can-proto-0) failed. [ 62.531727][ T6806] can: request_module (can-proto-0) failed. [ 62.543437][ T6806] can: request_module (can-proto-0) failed.