Starting Load/Save RF Kill Switch Status... [ 53.905845][ T6743] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6743 [ 53.915529][ T6743] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 53.922537][ T6743] CPU: 0 PID: 6743 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 53.931556][ T6743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.943001][ T6743] Call Trace: [ 53.946456][ T6743] dump_stack+0x188/0x20d [ 53.950787][ T6743] debug_smp_processor_id.cold+0x88/0x9b [ 53.956493][ T6743] ext4_mb_new_blocks+0xa77/0x3b30 [ 53.962738][ T6743] ? ext4_ext_search_right+0x2ca/0xb20 [ 53.968468][ T6743] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 53.974283][ T6743] ext4_ext_map_blocks+0x2044/0x3410 [ 53.980330][ T6743] ? ext4_ext_release+0x10/0x10 [ 53.986390][ T6743] ? __down_timeout+0x2d0/0x2d0 [ 53.992547][ T6743] ? ext4_es_lookup_extent+0x41d/0xd30 [ 53.998741][ T6743] ext4_map_blocks+0x4cb/0x1640 [ 54.005760][ T6743] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 54.011921][ T6743] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 54.017919][ T6743] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 54.023900][ T6743] ? prandom_u32_state+0xe/0x170 [ 54.028863][ T6743] ? __brelse+0x84/0xa0 [ 54.033020][ T6743] ? __ext4_new_inode+0x144/0x57c0 [ 54.038144][ T6743] ext4_getblk+0xad/0x520 [ 54.042519][ T6743] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 54.048495][ T6743] ? ext4_free_inode+0x17e0/0x17e0 [ 54.053600][ T6743] ext4_bread+0x7c/0x380 [ 54.057826][ T6743] ? ext4_getblk+0x520/0x520 [ 54.062394][ T6743] ? dqget+0xff0/0xff0 [ 54.066443][ T6743] ext4_append+0x153/0x360 [ 54.070854][ T6743] ext4_mkdir+0x5e0/0xdf0 [ 54.075771][ T6743] ? ext4_rmdir+0xde0/0xde0 [ 54.080350][ T6743] ? security_inode_permission+0xc4/0xf0 [ 54.086024][ T6743] vfs_mkdir+0x419/0x690 [ 54.090270][ T6743] do_mkdirat+0x21e/0x280 [ 54.094843][ T6743] ? __ia32_sys_mknod+0xb0/0xb0 [ 54.099682][ T6743] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 54.105997][ T6743] ? do_syscall_64+0x21/0x7d0 [ 54.106024][ T6743] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 54.106044][ T6743] do_syscall_64+0xf6/0x7d0 [ 54.106066][ T6743] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 54.106078][ T6743] RIP: 0033:0x7f5c6bb1a687 [ 54.106092][ T6743] 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 [ 54.106100][ T6743] RSP: 002b:00007ffc39a05148 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 54.106113][ T6743] RAX: ffffffffffffffda RBX: 000055c53d2b8985 RCX: 00007f5c6bb1a687 [ 54.106122][ T6743] RDX: 00007ffc39a05010 RSI: 00000000000001ed RDI: 000055c53d2b8985 [ 54.106130][ T6743] RBP: 00007f5c6bb1a680 R08: 0000000000000100 R09: 0000000000000000 [ 54.106138][ T6743] R10: 000055c53d2b8980 R11: 0000000000000246 R12: 00000000000001ed [ 54.106145][ T6743] R13: 00007ffc39a052d0 R14: 0000000000000000 R15: 0000000000000000 Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 57.719502][ T131] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:3/131 [ 57.728840][ T131] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.734920][ T131] CPU: 1 PID: 131 Comm: kworker/u4:3 Not tainted 5.7.0-syzkaller #0 [ 57.742893][ T131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.752944][ T131] Workqueue: writeback wb_workfn (flush-8:0) [ 57.759106][ T131] Call Trace: [ 57.762404][ T131] dump_stack+0x188/0x20d [ 57.766813][ T131] debug_smp_processor_id.cold+0x88/0x9b [ 57.773686][ T131] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.778786][ T131] ? __kmalloc+0x62f/0x7a0 [ 57.783928][ T131] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.789720][ T131] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.796027][ T131] ext4_ext_map_blocks+0x2044/0x3410 [ 57.801734][ T131] ? ext4_ext_release+0x10/0x10 [ 57.806879][ T131] ? __down_timeout+0x2d0/0x2d0 [ 57.811730][ T131] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.817170][ T131] ? debug_smp_processor_id+0x2f/0x185 [ 57.822823][ T131] ext4_map_blocks+0x4cb/0x1640 [ 57.827684][ T131] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.832891][ T131] ? debug_smp_processor_id+0x2f/0x185 [ 57.838459][ T131] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.844314][ T131] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.850384][ T131] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.855833][ T131] ext4_writepages+0x1ab7/0x3400 [ 57.861391][ T131] ? __ext4_mark_inode_dirty+0x950/0x950 [ 57.867050][ T131] ? __lock_acquire+0x2224/0x48a0 [ 57.872201][ T131] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.878185][ T131] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.884363][ T131] ? __ext4_mark_inode_dirty+0x950/0x950 [ 57.890006][ T131] ? do_writepages+0xfa/0x2a0 [ 57.894674][ T131] do_writepages+0xfa/0x2a0 [ 57.899262][ T131] ? page_writeback_cpu_online+0x10/0x10 [ 57.904882][ T131] ? debug_smp_processor_id+0x2f/0x185 [ 57.910322][ T131] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.915844][ T131] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.921803][ T131] ? lock_downgrade+0x840/0x840 [ 57.926633][ T131] __writeback_single_inode+0x12a/0x1410 [ 57.932255][ T131] ? _raw_spin_unlock+0x24/0x40 [ 57.937090][ T131] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 57.943225][ T131] writeback_sb_inodes+0x515/0xdd0 [ 57.948669][ T131] ? __writeback_single_inode+0x1410/0x1410 [ 57.954675][ T131] __writeback_inodes_wb+0xc3/0x250 [ 57.960319][ T131] wb_writeback+0x910/0xd90 [ 57.965150][ T131] ? print_usage_bug+0x240/0x240 [ 57.970153][ T131] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 57.976476][ T131] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 57.982995][ T131] ? cpumask_next+0x3c/0x40 [ 57.987506][ T131] ? get_nr_dirty_inodes+0xd6/0x130 [ 57.992923][ T131] wb_workfn+0xadf/0x10d0 [ 57.997374][ T131] ? inode_wait_for_writeback+0x30/0x30 [ 58.002923][ T131] ? debug_smp_processor_id+0x2f/0x185 [ 58.008474][ T131] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.014041][ T131] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.020112][ T131] process_one_work+0x965/0x16a0 [ 58.026123][ T131] ? lock_release+0x800/0x800 [ 58.031106][ T131] ? pwq_dec_nr_in_flight+0x310/0x310 [ 58.036942][ T131] ? rwlock_bug.part.0+0x90/0x90 [ 58.041999][ T131] worker_thread+0x96/0xe10 [ 58.046725][ T131] ? process_one_work+0x16a0/0x16a0 [ 58.051934][ T131] kthread+0x388/0x470 [ 58.056018][ T131] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.061880][ T131] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.071296][ T131] ret_from_fork+0x24/0x30 Warning: Permanently added '10.128.10.51' (ECDSA) to the list of known hosts. 2020/06/13 02:57:01 fuzzer started 2020/06/13 02:57:01 connecting to host at 10.128.0.26:39115 2020/06/13 02:57:01 checking machine... 2020/06/13 02:57:01 checking revisions... 2020/06/13 02:57:01 testing simple program... [ 59.656672][ T6829] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6829 [ 59.665877][ T6829] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.673126][ T6829] CPU: 1 PID: 6829 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 59.682313][ T6829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.693501][ T6829] Call Trace: [ 59.696857][ T6829] dump_stack+0x188/0x20d [ 59.701744][ T6829] debug_smp_processor_id.cold+0x88/0x9b [ 59.707399][ T6829] ext4_mb_new_blocks+0xa77/0x3b30 [ 59.712700][ T6829] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.718182][ T6829] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.724271][ T6829] ext4_ext_map_blocks+0x2044/0x3410 [ 59.729814][ T6829] ? ext4_ext_release+0x10/0x10 [ 59.734873][ T6829] ? __down_timeout+0x2d0/0x2d0 [ 59.740277][ T6829] ? ext4_es_lookup_extent+0x41d/0xd30 [ 59.745781][ T6829] ext4_map_blocks+0x4cb/0x1640 [ 59.751444][ T6829] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.757204][ T6829] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.762970][ T6829] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.768945][ T6829] ? prandom_u32_state+0xe/0x170 [ 59.773868][ T6829] ? __brelse+0x84/0xa0 [ 59.778018][ T6829] ? __ext4_new_inode+0x144/0x57c0 [ 59.783118][ T6829] ext4_getblk+0xad/0x520 [ 59.787435][ T6829] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.793140][ T6829] ? ext4_free_inode+0x17e0/0x17e0 [ 59.798232][ T6829] ext4_bread+0x7c/0x380 [ 59.802452][ T6829] ? ext4_getblk+0x520/0x520 [ 59.807027][ T6829] ? dqget+0xff0/0xff0 [ 59.811096][ T6829] ext4_append+0x153/0x360 [ 59.815574][ T6829] ext4_mkdir+0x5e0/0xdf0 [ 59.819893][ T6829] ? ext4_rmdir+0xde0/0xde0 [ 59.824398][ T6829] ? security_inode_permission+0xc4/0xf0 [ 59.830029][ T6829] vfs_mkdir+0x419/0x690 [ 59.834268][ T6829] do_mkdirat+0x21e/0x280 [ 59.838578][ T6829] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.843407][ T6829] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.849365][ T6829] ? do_syscall_64+0x21/0x7d0 [ 59.854558][ T6829] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.860835][ T6829] do_syscall_64+0xf6/0x7d0 [ 59.865336][ T6829] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.871475][ T6829] RIP: 0033:0x4b02a0 [ 59.875365][ T6829] 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 [ 59.894970][ T6829] RSP: 002b:000000c0003c34b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 59.903395][ T6829] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 59.911886][ T6829] RDX: 00000000000001c0 RSI: 000000c0000e25c0 RDI: ffffffffffffff9c [ 59.920352][ T6829] RBP: 000000c0003c3510 R08: 0000000000000000 R09: 0000000000000000 [ 59.928340][ T6829] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 59.937427][ T6829] R13: 000000000000002f R14: 000000000000002e R15: 0000000000000100 [ 59.957012][ T6833] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6833 [ 59.970983][ T6833] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 59.977702][ T6833] CPU: 0 PID: 6833 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.994525][ T6833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.007433][ T6833] Call Trace: [ 60.010730][ T6833] dump_stack+0x188/0x20d [ 60.015044][ T6833] debug_smp_processor_id.cold+0x88/0x9b [ 60.021023][ T6833] ext4_mb_new_blocks+0xa77/0x3b30 [ 60.026157][ T6833] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.031933][ T6833] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.037952][ T6833] ext4_ext_map_blocks+0x2044/0x3410 [ 60.043348][ T6833] ? ext4_ext_release+0x10/0x10 [ 60.048203][ T6833] ? __down_timeout+0x2d0/0x2d0 [ 60.053039][ T6833] ? ext4_es_lookup_extent+0x41d/0xd30 [ 60.058660][ T6833] ext4_map_blocks+0x4cb/0x1640 [ 60.063612][ T6833] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.068801][ T6833] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.074332][ T6833] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.080381][ T6833] ? prandom_u32_state+0xe/0x170 [ 60.085311][ T6833] ? __brelse+0x84/0xa0 [ 60.089671][ T6833] ? __ext4_new_inode+0x144/0x57c0 [ 60.094874][ T6833] ext4_getblk+0xad/0x520 [ 60.099197][ T6833] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.104915][ T6833] ? ext4_free_inode+0x17e0/0x17e0 [ 60.110221][ T6833] ext4_bread+0x7c/0x380 [ 60.114550][ T6833] ? ext4_getblk+0x520/0x520 [ 60.119119][ T6833] ? dqget+0xff0/0xff0 [ 60.123177][ T6833] ext4_append+0x153/0x360 [ 60.127577][ T6833] ext4_mkdir+0x5e0/0xdf0 [ 60.131924][ T6833] ? ext4_rmdir+0xde0/0xde0 [ 60.136425][ T6833] ? security_inode_permission+0xc4/0xf0 [ 60.142043][ T6833] vfs_mkdir+0x419/0x690 [ 60.146270][ T6833] do_mkdirat+0x21e/0x280 [ 60.150582][ T6833] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.155429][ T6833] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.161606][ T6833] ? do_syscall_64+0x21/0x7d0 [ 60.166407][ T6833] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.172492][ T6833] do_syscall_64+0xf6/0x7d0 [ 60.177151][ T6833] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 60.183062][ T6833] RIP: 0033:0x45bee7 [ 60.187035][ T6833] Code: 1f 40 00 b8 5a 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d c2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 60.208285][ T6833] RSP: 002b:00007ffc1f1a9b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 60.217435][ T6833] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 60.227372][ T6833] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007ffc1f1a9ce0 [ 60.237877][ T6833] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000003940 [ 60.247927][ T6833] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 60.257326][ T6833] R13: 00007ffc1f1a9ce0 R14: 8421084210842109 R15: 00007ffc1f1a9cec [ 60.341107][ T6834] IPVS: ftp: loaded support on port[0] = 21 [ 60.378787][ T6834] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6834 [ 60.388270][ T6834] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 60.394378][ T6834] CPU: 1 PID: 6834 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 60.402790][ T6834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.412840][ T6834] Call Trace: [ 60.416116][ T6834] dump_stack+0x188/0x20d [ 60.420425][ T6834] debug_smp_processor_id.cold+0x88/0x9b [ 60.426143][ T6834] ext4_mb_new_blocks+0xa77/0x3b30 [ 60.431418][ T6834] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.436859][ T6834] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.442702][ T6834] ext4_ext_map_blocks+0x2044/0x3410 [ 60.447979][ T6834] ? ext4_ext_release+0x10/0x10 [ 60.452825][ T6834] ? __down_timeout+0x2d0/0x2d0 [ 60.457663][ T6834] ? ext4_es_lookup_extent+0x41d/0xd30 [ 60.463132][ T6834] ext4_map_blocks+0x4cb/0x1640 [ 60.467995][ T6834] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.473457][ T6834] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.479830][ T6834] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.485820][ T6834] ? prandom_u32_state+0xe/0x170 [ 60.491036][ T6834] ? __brelse+0x84/0xa0 [ 60.495692][ T6834] ? __ext4_new_inode+0x144/0x57c0 [ 60.501003][ T6834] ext4_getblk+0xad/0x520 [ 60.505435][ T6834] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.511236][ T6834] ? ext4_free_inode+0x17e0/0x17e0 [ 60.516394][ T6834] ext4_bread+0x7c/0x380 [ 60.520721][ T6834] ? ext4_getblk+0x520/0x520 [ 60.525302][ T6834] ? dqget+0xff0/0xff0 [ 60.529360][ T6834] ext4_append+0x153/0x360 [ 60.533852][ T6834] ext4_mkdir+0x5e0/0xdf0 [ 60.538169][ T6834] ? ext4_rmdir+0xde0/0xde0 [ 60.542653][ T6834] ? security_inode_permission+0xc4/0xf0 [ 60.548266][ T6834] vfs_mkdir+0x419/0x690 [ 60.552586][ T6834] do_mkdirat+0x21e/0x280 [ 60.556926][ T6834] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.562071][ T6834] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.568629][ T6834] ? do_syscall_64+0x21/0x7d0 [ 60.574203][ T6834] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.580533][ T6834] do_syscall_64+0xf6/0x7d0 [ 60.585032][ T6834] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 60.590916][ T6834] RIP: 0033:0x45bee7 [ 60.594791][ T6834] 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 [ 60.614472][ T6834] RSP: 002b:00007ffc1f1a99f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 60.622859][ T6834] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 60.631648][ T6834] RDX: 00007ffc1f1a9a43 RSI: 00000000000001ff RDI: 00007ffc1f1a9a40 [ 60.640100][ T6834] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 60.648056][ T6834] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185d0 [ 60.656724][ T6834] R13: 00007ffc1f1a9a30 R14: 0000000000000000 R15: 00007ffc1f1a9a40 [ 60.704692][ T6834] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6834 [ 60.715813][ T6834] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 60.721964][ T6834] CPU: 1 PID: 6834 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 60.730206][ T6834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.740446][ T6834] Call Trace: [ 60.743745][ T6834] dump_stack+0x188/0x20d [ 60.748438][ T6834] debug_smp_processor_id.cold+0x88/0x9b [ 60.754057][ T6834] ext4_mb_new_blocks+0xa77/0x3b30 [ 60.759398][ T6834] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.765386][ T6834] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.771854][ T6834] ext4_ext_map_blocks+0x2044/0x3410 [ 60.777275][ T6834] ? ext4_ext_release+0x10/0x10 [ 60.782184][ T6834] ? __down_timeout+0x2d0/0x2d0 [ 60.787073][ T6834] ? ext4_es_lookup_extent+0x41d/0xd30 [ 60.792648][ T6834] ext4_map_blocks+0x4cb/0x1640 [ 60.797510][ T6834] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.802719][ T6834] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.808258][ T6834] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.814232][ T6834] ? prandom_u32_state+0xe/0x170 [ 60.819564][ T6834] ? __brelse+0x84/0xa0 [ 60.823896][ T6834] ? __ext4_new_inode+0x144/0x57c0 [ 60.828995][ T6834] ext4_getblk+0xad/0x520 [ 60.833317][ T6834] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.839030][ T6834] ? ext4_free_inode+0x17e0/0x17e0 [ 60.844848][ T6834] ext4_bread+0x7c/0x380 [ 60.849523][ T6834] ? ext4_getblk+0x520/0x520 [ 60.854236][ T6834] ? dqget+0xff0/0xff0 [ 60.859980][ T6834] ext4_append+0x153/0x360 [ 60.864455][ T6834] ext4_mkdir+0x5e0/0xdf0 [ 60.868785][ T6834] ? ext4_rmdir+0xde0/0xde0 [ 60.873299][ T6834] ? security_inode_permission+0xc4/0xf0 [ 60.879413][ T6834] vfs_mkdir+0x419/0x690 [ 60.885535][ T6834] do_mkdirat+0x21e/0x280 [ 60.892055][ T6834] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.899116][ T6834] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.905878][ T6834] ? do_syscall_64+0x21/0x7d0 [ 60.911609][ T6834] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.917887][ T6834] do_syscall_64+0xf6/0x7d0 [ 60.922484][ T6834] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 60.928478][ T6834] RIP: 0033:0x45bee7 [ 60.932374][ T6834] 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 2020/06/13 02:57:03 building call list... [ 60.952591][ T6834] RSP: 002b:00007ffc1f1a99f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 60.961218][ T6834] RAX: ffffffffffffffda RBX: 000000000000ed17 RCX: 000000000045bee7 [ 60.969399][ T6834] RDX: 00007ffc1f1a9a43 RSI: 00000000000001ff RDI: 00007ffc1f1a9a40 [ 60.977439][ T6834] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 60.985416][ T6834] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 60.993382][ T6834] R13: 00007ffc1f1a9a30 R14: 000000000000ed12 R15: 00007ffc1f1a9a40 [ 61.277929][ T2754] tipc: TX() has been purged, node left! executing program [ 62.789050][ T6832] can: request_module (can-proto-0) failed. [ 63.315310][ T6832] can: request_module (can-proto-0) failed. [ 63.327741][ T6832] can: request_module (can-proto-0) failed. [ 63.641084][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 63.650331][ T1154] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 63.656352][ T1154] CPU: 1 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 63.664224][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.674280][ T1154] Call Trace: [ 63.677576][ T1154] dump_stack+0x188/0x20d [ 63.681907][ T1154] debug_smp_processor_id.cold+0x88/0x9b [ 63.688306][ T1154] ext4_mb_new_blocks+0xa77/0x3b30 [ 63.693494][ T1154] ? __kmalloc+0x62f/0x7a0 [ 63.697914][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.703354][ T1154] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 63.709103][ T1154] ext4_ext_map_blocks+0x2044/0x3410 [ 63.714518][ T1154] ? ext4_ext_release+0x10/0x10 [ 63.719375][ T1154] ? __down_timeout+0x2d0/0x2d0 [ 63.724207][ T1154] ? ext4_es_lookup_extent+0x41d/0xd30 [ 63.729738][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 63.734570][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.739746][ T1154] ? debug_smp_processor_id+0x2f/0x185 [ 63.745199][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.750722][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.756770][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.762282][ T1154] ext4_writepages+0x1ab7/0x3400 [ 63.767680][ T1154] ? mark_lock+0x30/0xdd0 [ 63.772017][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.777747][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.783478][ T1154] ? do_writepages+0xfa/0x2a0 [ 63.788159][ T1154] do_writepages+0xfa/0x2a0 [ 63.792781][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 63.798412][ T1154] ? do_raw_spin_lock+0x129/0x2e0 [ 63.803557][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 63.808755][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 63.813603][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 63.819314][ T1154] ? collapse_file+0x3575/0x4300 [ 63.824230][ T1154] ? delete_from_page_cache_batch+0xec0/0xec0 [ 63.830287][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 63.835462][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.841510][ T1154] collapse_file+0x357f/0x4300 [ 63.846450][ T1154] ? collapse_huge_page+0x4370/0x4370 [ 63.852534][ T1154] ? khugepaged+0x24fa/0x3f80 [ 63.857206][ T1154] khugepaged+0x3049/0x3f80 [ 63.861730][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.867370][ T1154] ? lock_downgrade+0x840/0x840 [ 63.872306][ T1154] ? finish_wait+0x260/0x260 [ 63.876998][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 63.882798][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.888785][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 63.893812][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.899760][ T1154] kthread+0x388/0x470 [ 63.903947][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.909859][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.915749][ T1154] ret_from_fork+0x24/0x30 [ 63.969802][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 63.979695][ T1154] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 63.985783][ T1154] CPU: 1 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 63.993848][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.005175][ T1154] Call Trace: [ 64.009353][ T1154] dump_stack+0x188/0x20d [ 64.013833][ T1154] debug_smp_processor_id.cold+0x88/0x9b [ 64.019991][ T1154] ext4_mb_new_blocks+0xa77/0x3b30 [ 64.025164][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 64.030622][ T1154] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 64.036776][ T1154] ext4_ext_map_blocks+0x2044/0x3410 [ 64.042058][ T1154] ? ext4_ext_release+0x10/0x10 [ 64.046919][ T1154] ? __down_timeout+0x2d0/0x2d0 [ 64.051749][ T1154] ? ext4_es_lookup_extent+0x41d/0xd30 [ 64.057196][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 64.062038][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 64.067313][ T1154] ? debug_smp_processor_id+0x2f/0x185 [ 64.072844][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.078570][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.084563][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 64.090022][ T1154] ext4_writepages+0x1ab7/0x3400 [ 64.095151][ T1154] ? mark_lock+0x30/0xdd0 [ 64.099675][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 64.105433][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 64.111059][ T1154] ? do_writepages+0xfa/0x2a0 [ 64.115727][ T1154] do_writepages+0xfa/0x2a0 [ 64.120310][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 64.125953][ T1154] ? do_raw_spin_lock+0x129/0x2e0 [ 64.131235][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 64.136546][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 64.141393][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 64.147409][ T1154] ? collapse_file+0x3575/0x4300 [ 64.152363][ T1154] ? delete_from_page_cache_batch+0xec0/0xec0 [ 64.158529][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 64.163913][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.170268][ T1154] collapse_file+0x357f/0x4300 [ 64.175051][ T1154] ? collapse_huge_page+0x4370/0x4370 [ 64.180410][ T1154] ? khugepaged+0x24fa/0x3f80 [ 64.185076][ T1154] khugepaged+0x3049/0x3f80 [ 64.189883][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 64.195762][ T1154] ? lock_downgrade+0x840/0x840 [ 64.200730][ T1154] ? finish_wait+0x260/0x260 [ 64.205338][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 64.211256][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.217551][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 64.222591][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 64.228306][ T1154] kthread+0x388/0x470 [ 64.232482][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.238211][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.244109][ T1154] ret_from_fork+0x24/0x30 [ 64.298129][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 64.307636][ T1154] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 64.313632][ T1154] CPU: 1 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 64.322083][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.333018][ T1154] Call Trace: [ 64.337375][ T1154] dump_stack+0x188/0x20d [ 64.341736][ T1154] debug_smp_processor_id.cold+0x88/0x9b [ 64.347469][ T1154] ext4_mb_new_blocks+0xa77/0x3b30 [ 64.352672][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 64.358349][ T1154] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 64.364945][ T1154] ext4_ext_map_blocks+0x2044/0x3410 [ 64.370506][ T1154] ? ext4_ext_release+0x10/0x10 [ 64.375367][ T1154] ? __down_timeout+0x2d0/0x2d0 [ 64.380235][ T1154] ? ext4_es_lookup_extent+0x41d/0xd30 [ 64.385677][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 64.390514][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 64.395690][ T1154] ? debug_smp_processor_id+0x2f/0x185 [ 64.401135][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.407010][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.413169][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 64.418623][ T1154] ext4_writepages+0x1ab7/0x3400 [ 64.423543][ T1154] ? mark_lock+0x30/0xdd0 [ 64.428647][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 64.434532][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 64.440226][ T1154] ? do_writepages+0xfa/0x2a0 [ 64.444885][ T1154] do_writepages+0xfa/0x2a0 [ 64.449375][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 64.455006][ T1154] ? do_raw_spin_lock+0x129/0x2e0 [ 64.460044][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 64.465322][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 64.470172][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 64.475869][ T1154] ? collapse_file+0x3575/0x4300 [ 64.480859][ T1154] ? delete_from_page_cache_batch+0xec0/0xec0 [ 64.487342][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 64.492613][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.498588][ T1154] collapse_file+0x357f/0x4300 [ 64.503439][ T1154] ? collapse_huge_page+0x4370/0x4370 [ 64.509706][ T1154] ? khugepaged+0x24fa/0x3f80 [ 64.514617][ T1154] khugepaged+0x3049/0x3f80 [ 64.519140][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 64.524810][ T1154] ? lock_downgrade+0x840/0x840 [ 64.529661][ T1154] ? finish_wait+0x260/0x260 [ 64.538060][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 64.543901][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.549865][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 64.555042][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 64.560653][ T1154] kthread+0x388/0x470 [ 64.564697][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.570402][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.576209][ T1154] ret_from_fork+0x24/0x30