[ 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... [ 57.868170][ T6726] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6726 [ 57.877958][ T6726] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 57.884790][ T6726] CPU: 0 PID: 6726 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 57.893021][ T6726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.903257][ T6726] Call Trace: [ 57.906556][ T6726] dump_stack+0x188/0x20d [ 57.910870][ T6726] debug_smp_processor_id.cold+0x88/0x9b [ 57.916850][ T6726] ext4_mb_new_blocks+0xa77/0x3b30 [ 57.921953][ T6726] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.927398][ T6726] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.933100][ T6726] ext4_ext_map_blocks+0x2044/0x3410 [ 57.938461][ T6726] ? ext4_ext_release+0x10/0x10 [ 57.943308][ T6726] ? __down_timeout+0x2d0/0x2d0 [ 57.948151][ T6726] ? ext4_es_lookup_extent+0x41d/0xd30 [ 57.953589][ T6726] ext4_map_blocks+0x4cb/0x1640 [ 57.958444][ T6726] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.963634][ T6726] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.969166][ T6726] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.975128][ T6726] ? prandom_u32_state+0xe/0x170 [ 57.980169][ T6726] ? __brelse+0x84/0xa0 [ 57.984463][ T6726] ? __ext4_new_inode+0x144/0x57c0 [ 57.989566][ T6726] ext4_getblk+0xad/0x520 [ 57.994687][ T6726] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.000617][ T6726] ? ext4_free_inode+0x17e0/0x17e0 [ 58.005726][ T6726] ext4_bread+0x7c/0x380 [ 58.009968][ T6726] ? ext4_getblk+0x520/0x520 [ 58.014550][ T6726] ? dqget+0xff0/0xff0 [ 58.018613][ T6726] ext4_append+0x153/0x360 [ 58.023026][ T6726] ext4_mkdir+0x5e0/0xdf0 [ 58.027348][ T6726] ? ext4_rmdir+0xde0/0xde0 [ 58.031831][ T6726] ? security_inode_permission+0xc4/0xf0 [ 58.037581][ T6726] vfs_mkdir+0x419/0x690 [ 58.041816][ T6726] do_mkdirat+0x21e/0x280 [ 58.046424][ T6726] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.051265][ T6726] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.057252][ T6726] ? do_syscall_64+0x21/0x7d0 [ 58.061906][ T6726] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.067866][ T6726] do_syscall_64+0xf6/0x7d0 [ 58.072366][ T6726] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.078339][ T6726] RIP: 0033:0x7ff3b3a95687 [ 58.083608][ T6726] 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 [ 58.103202][ T6726] RSP: 002b:00007fffa0b59688 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 58.112488][ T6726] RAX: ffffffffffffffda RBX: 000055735c34c985 RCX: 00007ff3b3a95687 [ 58.120551][ T6726] RDX: 00007fffa0b59550 RSI: 00000000000001ed RDI: 000055735c34c985 [ 58.128768][ T6726] RBP: 00007ff3b3a95680 R08: 0000000000000100 R09: 0000000000000000 [ 58.136749][ T6726] R10: 000055735c34c980 R11: 0000000000000246 R12: 00000000000001ed [ 58.144713][ T6726] R13: 00007fffa0b59810 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 60.454248][ T21] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:1/21 [ 60.463305][ T21] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 60.469568][ T21] CPU: 1 PID: 21 Comm: kworker/u4:1 Not tainted 5.7.0-syzkaller #0 [ 60.477457][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.487939][ T21] Workqueue: writeback wb_workfn (flush-8:0) [ 60.493908][ T21] Call Trace: [ 60.497180][ T21] dump_stack+0x188/0x20d [ 60.501493][ T21] debug_smp_processor_id.cold+0x88/0x9b [ 60.507122][ T21] ext4_mb_new_blocks+0xa77/0x3b30 [ 60.512230][ T21] ? __kmalloc+0x62f/0x7a0 [ 60.516738][ T21] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.522185][ T21] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.528090][ T21] ext4_ext_map_blocks+0x2044/0x3410 [ 60.533367][ T21] ? ext4_ext_release+0x10/0x10 [ 60.538207][ T21] ? __down_timeout+0x2d0/0x2d0 [ 60.543033][ T21] ? ext4_es_lookup_extent+0x41d/0xd30 [ 60.548478][ T21] ? debug_smp_processor_id+0x2f/0x185 [ 60.553930][ T21] ext4_map_blocks+0x4cb/0x1640 [ 60.558783][ T21] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.564142][ T21] ? debug_smp_processor_id+0x2f/0x185 [ 60.569591][ T21] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.575126][ T21] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.581139][ T21] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 60.586624][ T21] ext4_writepages+0x1ab7/0x3400 [ 60.591577][ T21] ? __ext4_mark_inode_dirty+0x950/0x950 [ 60.597295][ T21] ? __lock_acquire+0x2224/0x48a0 [ 60.602318][ T21] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 60.608531][ T21] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 60.614589][ T21] ? __ext4_mark_inode_dirty+0x950/0x950 [ 60.620218][ T21] ? do_writepages+0xfa/0x2a0 [ 60.625009][ T21] do_writepages+0xfa/0x2a0 [ 60.629569][ T21] ? page_writeback_cpu_online+0x10/0x10 [ 60.635307][ T21] ? debug_smp_processor_id+0x2f/0x185 [ 60.640972][ T21] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.646526][ T21] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.652571][ T21] ? lock_downgrade+0x840/0x840 [ 60.657415][ T21] __writeback_single_inode+0x12a/0x1410 [ 60.663148][ T21] ? _raw_spin_unlock+0x24/0x40 [ 60.668012][ T21] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 60.674150][ T21] writeback_sb_inodes+0x515/0xdd0 [ 60.679250][ T21] ? __writeback_single_inode+0x1410/0x1410 [ 60.685141][ T21] __writeback_inodes_wb+0xc3/0x250 [ 60.690349][ T21] wb_writeback+0x910/0xd90 [ 60.694834][ T21] ? print_usage_bug+0x240/0x240 [ 60.699851][ T21] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 60.706155][ T21] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 60.712209][ T21] ? cpumask_next+0x3c/0x40 [ 60.716694][ T21] ? get_nr_dirty_inodes+0xd6/0x130 [ 60.721884][ T21] wb_workfn+0xadf/0x10d0 [ 60.726196][ T21] ? inode_wait_for_writeback+0x30/0x30 [ 60.731729][ T21] ? debug_smp_processor_id+0x2f/0x185 [ 60.737172][ T21] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.742716][ T21] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.748709][ T21] process_one_work+0x965/0x16a0 [ 60.753669][ T21] ? lock_release+0x800/0x800 [ 60.758327][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 60.763689][ T21] ? rwlock_bug.part.0+0x90/0x90 [ 60.768828][ T21] worker_thread+0x96/0xe10 [ 60.773363][ T21] ? process_one_work+0x16a0/0x16a0 [ 60.778592][ T21] kthread+0x388/0x470 [ 60.782670][ T21] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.788467][ T21] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.794450][ T21] ret_from_fork+0x24/0x30 Warning: Permanently added '10.128.10.44' (ECDSA) to the list of known hosts. 2020/06/13 05:57:03 fuzzer started 2020/06/13 05:57:04 connecting to host at 10.128.0.26:40659 2020/06/13 05:57:04 checking machine... 2020/06/13 05:57:04 checking revisions... 2020/06/13 05:57:04 testing simple program... [ 62.924559][ T6802] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6802 [ 62.933832][ T6802] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 62.939710][ T6802] CPU: 0 PID: 6802 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 62.947590][ T6802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.957632][ T6802] Call Trace: [ 62.960916][ T6802] dump_stack+0x188/0x20d [ 62.965256][ T6802] debug_smp_processor_id.cold+0x88/0x9b [ 62.970867][ T6802] ext4_mb_new_blocks+0xa77/0x3b30 [ 62.975965][ T6802] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.981402][ T6802] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 62.987470][ T6802] ext4_ext_map_blocks+0x2044/0x3410 [ 62.992749][ T6802] ? ext4_ext_release+0x10/0x10 [ 62.997586][ T6802] ? __down_timeout+0x2d0/0x2d0 [ 63.002411][ T6802] ? ext4_es_lookup_extent+0x41d/0xd30 [ 63.007879][ T6802] ext4_map_blocks+0x4cb/0x1640 [ 63.012713][ T6802] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.017898][ T6802] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.023425][ T6802] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.029382][ T6802] ? prandom_u32_state+0xe/0x170 [ 63.034310][ T6802] ? __brelse+0x84/0xa0 [ 63.038514][ T6802] ? __ext4_new_inode+0x144/0x57c0 [ 63.043634][ T6802] ext4_getblk+0xad/0x520 [ 63.048206][ T6802] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 63.053938][ T6802] ? ext4_free_inode+0x17e0/0x17e0 [ 63.059194][ T6802] ext4_bread+0x7c/0x380 [ 63.063424][ T6802] ? ext4_getblk+0x520/0x520 [ 63.068000][ T6802] ? dqget+0xff0/0xff0 [ 63.072137][ T6802] ext4_append+0x153/0x360 [ 63.076599][ T6802] ext4_mkdir+0x5e0/0xdf0 [ 63.080932][ T6802] ? ext4_rmdir+0xde0/0xde0 [ 63.085436][ T6802] ? security_inode_permission+0xc4/0xf0 [ 63.091085][ T6802] vfs_mkdir+0x419/0x690 [ 63.095492][ T6802] do_mkdirat+0x21e/0x280 [ 63.099816][ T6802] ? __ia32_sys_mknod+0xb0/0xb0 [ 63.104670][ T6802] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.110629][ T6802] ? do_syscall_64+0x21/0x7d0 [ 63.115301][ T6802] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.121280][ T6802] do_syscall_64+0xf6/0x7d0 [ 63.125773][ T6802] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 63.131656][ T6802] RIP: 0033:0x4b02a0 [ 63.135527][ T6802] 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 [ 63.155468][ T6802] RSP: 002b:000000c0000dd4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 63.163864][ T6802] RAX: ffffffffffffffda RBX: 000000c00002c000 RCX: 00000000004b02a0 [ 63.171816][ T6802] RDX: 00000000000001c0 RSI: 000000c00009eba0 RDI: ffffffffffffff9c [ 63.180819][ T6802] RBP: 000000c0000dd510 R08: 0000000000000000 R09: 0000000000000000 [ 63.188784][ T6802] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 63.196942][ T6802] R13: 000000000000005e R14: 000000000000005d R15: 0000000000000100 [ 63.215548][ T6815] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6815 [ 63.225127][ T6815] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 63.231055][ T6815] CPU: 1 PID: 6815 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 63.239292][ T6815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.249375][ T6815] Call Trace: [ 63.252674][ T6815] dump_stack+0x188/0x20d [ 63.257015][ T6815] debug_smp_processor_id.cold+0x88/0x9b [ 63.262667][ T6815] ext4_mb_new_blocks+0xa77/0x3b30 [ 63.267836][ T6815] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.273302][ T6815] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 63.279028][ T6815] ext4_ext_map_blocks+0x2044/0x3410 [ 63.284299][ T6815] ? ext4_ext_release+0x10/0x10 [ 63.289146][ T6815] ? __down_timeout+0x2d0/0x2d0 [ 63.293993][ T6815] ? ext4_es_lookup_extent+0x41d/0xd30 [ 63.299452][ T6815] ext4_map_blocks+0x4cb/0x1640 [ 63.304302][ T6815] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.309506][ T6815] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.315048][ T6815] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.321032][ T6815] ? prandom_u32_state+0xe/0x170 [ 63.325962][ T6815] ? __brelse+0x84/0xa0 [ 63.330122][ T6815] ? __ext4_new_inode+0x144/0x57c0 [ 63.335223][ T6815] ext4_getblk+0xad/0x520 [ 63.339548][ T6815] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 63.345251][ T6815] ? ext4_free_inode+0x17e0/0x17e0 [ 63.350444][ T6815] ext4_bread+0x7c/0x380 [ 63.354671][ T6815] ? ext4_getblk+0x520/0x520 [ 63.359241][ T6815] ? dqget+0xff0/0xff0 [ 63.363294][ T6815] ext4_append+0x153/0x360 [ 63.367705][ T6815] ext4_mkdir+0x5e0/0xdf0 [ 63.372017][ T6815] ? ext4_rmdir+0xde0/0xde0 [ 63.376588][ T6815] ? security_inode_permission+0xc4/0xf0 [ 63.382217][ T6815] vfs_mkdir+0x419/0x690 [ 63.386454][ T6815] do_mkdirat+0x21e/0x280 [ 63.390793][ T6815] ? __ia32_sys_mknod+0xb0/0xb0 [ 63.395643][ T6815] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.401669][ T6815] ? do_syscall_64+0x21/0x7d0 [ 63.406335][ T6815] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.412309][ T6815] do_syscall_64+0xf6/0x7d0 [ 63.416803][ T6815] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 63.422678][ T6815] RIP: 0033:0x45bee7 [ 63.426637][ T6815] 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 [ 63.446234][ T6815] RSP: 002b:00007ffd1a07a0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 63.454627][ T6815] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 63.462604][ T6815] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007ffd1a07a290 [ 63.470671][ T6815] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000003380 [ 63.478757][ T6815] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 63.486734][ T6815] R13: 00007ffd1a07a290 R14: 8421084210842109 R15: 00007ffd1a07a29c [ 63.578392][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 63.588076][ T1154] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 63.594315][ T1154] CPU: 0 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 63.602227][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.612436][ T1154] Call Trace: [ 63.615726][ T1154] dump_stack+0x188/0x20d [ 63.620042][ T1154] debug_smp_processor_id.cold+0x88/0x9b [ 63.625656][ T1154] ext4_mb_new_blocks+0xa77/0x3b30 [ 63.630822][ T1154] ? __kmalloc+0x62f/0x7a0 [ 63.635357][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.640927][ T1154] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 63.646661][ T1154] ext4_ext_map_blocks+0x2044/0x3410 [ 63.651934][ T1154] ? ext4_ext_release+0x10/0x10 [ 63.656778][ T1154] ? __down_timeout+0x2d0/0x2d0 [ 63.662055][ T1154] ? ext4_es_lookup_extent+0x41d/0xd30 [ 63.667542][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 63.672419][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 63.677766][ T1154] ? debug_smp_processor_id+0x2f/0x185 [ 63.683238][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.688786][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 63.695111][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 63.700629][ T1154] ext4_writepages+0x1ab7/0x3400 [ 63.705833][ T1154] ? mark_lock+0x30/0xdd0 [ 63.710162][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.715936][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 63.721749][ T1154] ? do_writepages+0xfa/0x2a0 [ 63.726531][ T1154] do_writepages+0xfa/0x2a0 [ 63.731116][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 63.736756][ T1154] ? do_raw_spin_lock+0x129/0x2e0 [ 63.741956][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 63.747398][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 63.752243][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 63.757943][ T1154] ? collapse_file+0x3575/0x4300 [ 63.762861][ T1154] ? delete_from_page_cache_batch+0xec0/0xec0 [ 63.768912][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 63.774189][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.780151][ T1154] collapse_file+0x357f/0x4300 [ 63.784908][ T1154] ? collapse_huge_page+0x4370/0x4370 [ 63.790569][ T1154] ? khugepaged+0x24fa/0x3f80 [ 63.795252][ T1154] khugepaged+0x3049/0x3f80 [ 63.799862][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.805476][ T1154] ? lock_downgrade+0x840/0x840 [ 63.810308][ T1154] ? finish_wait+0x260/0x260 [ 63.815075][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 63.820864][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 63.826858][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 63.831864][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 63.837497][ T1154] kthread+0x388/0x470 [ 63.841636][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.847360][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 63.853159][ T1154] ret_from_fork+0x24/0x30 [ 63.874413][ T6817] IPVS: ftp: loaded support on port[0] = 21 [ 63.925910][ T6817] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6817 [ 63.935731][ T6817] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 63.942775][ T6817] CPU: 0 PID: 6817 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 63.951289][ T6817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.956791][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 63.961419][ T6817] Call Trace: [ 63.961442][ T6817] dump_stack+0x188/0x20d [ 63.961460][ T6817] debug_smp_processor_id.cold+0x88/0x9b [ 63.961475][ T6817] ext4_mb_new_blocks+0xa77/0x3b30 [ 63.961500][ T6817] ? ext4_ext_search_right+0x2ca/0xb20 [ 63.961513][ T6817] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 63.961537][ T6817] ext4_ext_map_blocks+0x2044/0x3410 [ 63.970755][ T1154] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 63.973985][ T6817] ? ext4_ext_release+0x10/0x10 [ 63.974014][ T6817] ? __down_timeout+0x2d0/0x2d0 [ 63.974028][ T6817] ? ext4_es_lookup_extent+0x41d/0xd30 [ 63.974047][ T6817] ext4_map_blocks+0x4cb/0x1640 [ 63.974069][ T6817] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 64.038779][ T6817] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.044322][ T6817] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.050371][ T6817] ? prandom_u32_state+0xe/0x170 [ 64.055828][ T6817] ? __brelse+0x84/0xa0 [ 64.059981][ T6817] ? __ext4_new_inode+0x144/0x57c0 [ 64.065090][ T6817] ext4_getblk+0xad/0x520 [ 64.069407][ T6817] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 64.075392][ T6817] ? ext4_free_inode+0x17e0/0x17e0 [ 64.080763][ T6817] ext4_bread+0x7c/0x380 [ 64.085009][ T6817] ? ext4_getblk+0x520/0x520 [ 64.089597][ T6817] ? dqget+0xff0/0xff0 [ 64.093655][ T6817] ext4_append+0x153/0x360 [ 64.098060][ T6817] ext4_mkdir+0x5e0/0xdf0 [ 64.102466][ T6817] ? ext4_rmdir+0xde0/0xde0 [ 64.106954][ T6817] ? security_inode_permission+0xc4/0xf0 [ 64.112592][ T6817] vfs_mkdir+0x419/0x690 [ 64.116826][ T6817] do_mkdirat+0x21e/0x280 [ 64.121141][ T6817] ? __ia32_sys_mknod+0xb0/0xb0 [ 64.125978][ T6817] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.131963][ T6817] ? do_syscall_64+0x21/0x7d0 [ 64.136626][ T6817] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.144874][ T6817] do_syscall_64+0xf6/0x7d0 [ 64.149402][ T6817] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 64.155461][ T6817] RIP: 0033:0x45bee7 [ 64.159365][ T6817] 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 [ 64.180948][ T6817] RSP: 002b:00007ffd1a079fa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 64.189452][ T6817] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 64.200113][ T6817] RDX: 00007ffd1a079ff3 RSI: 00000000000001ff RDI: 00007ffd1a079ff0 [ 64.208103][ T6817] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 64.216061][ T6817] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185d0 [ 64.224144][ T6817] R13: 00007ffd1a079fe0 R14: 0000000000000000 R15: 00007ffd1a079ff0 [ 64.232197][ T1154] CPU: 1 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 64.240143][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.250397][ T1154] Call Trace: [ 64.253705][ T1154] dump_stack+0x188/0x20d [ 64.258484][ T1154] debug_smp_processor_id.cold+0x88/0x9b [ 64.264151][ T1154] ext4_mb_new_blocks+0xa77/0x3b30 [ 64.269294][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 64.274774][ T1154] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 64.281646][ T1154] ext4_ext_map_blocks+0x2044/0x3410 [ 64.286952][ T1154] ? ext4_ext_release+0x10/0x10 [ 64.291830][ T1154] ? __down_timeout+0x2d0/0x2d0 [ 64.296692][ T1154] ? ext4_es_lookup_extent+0x41d/0xd30 [ 64.302166][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 64.307034][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 64.312242][ T1154] ? debug_smp_processor_id+0x2f/0x185 [ 64.317718][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.323366][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.329794][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 64.335353][ T1154] ext4_writepages+0x1ab7/0x3400 [ 64.340309][ T1154] ? mark_lock+0x30/0xdd0 [ 64.344672][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 64.350451][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 64.356096][ T1154] ? do_writepages+0xfa/0x2a0 [ 64.360809][ T1154] do_writepages+0xfa/0x2a0 [ 64.365527][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 64.371362][ T1154] ? do_raw_spin_lock+0x129/0x2e0 [ 64.376394][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 64.378447][ T6817] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6817 [ 64.381605][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 64.391048][ T6817] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 64.395876][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 64.395898][ T1154] ? collapse_file+0x3575/0x4300 [ 64.395913][ T1154] ? delete_from_page_cache_batch+0xec0/0xec0 [ 64.395946][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 64.395966][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.395991][ T1154] collapse_file+0x357f/0x4300 [ 64.434459][ T1154] ? collapse_huge_page+0x4370/0x4370 [ 64.439822][ T1154] ? khugepaged+0x24fa/0x3f80 [ 64.444497][ T1154] khugepaged+0x3049/0x3f80 [ 64.449003][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 64.454623][ T1154] ? lock_downgrade+0x840/0x840 [ 64.459462][ T1154] ? finish_wait+0x260/0x260 [ 64.464046][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 64.469836][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.475804][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 64.480813][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 64.486438][ T1154] kthread+0x388/0x470 [ 64.490488][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.496205][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 64.501993][ T1154] ret_from_fork+0x24/0x30 [ 64.506417][ T6817] CPU: 0 PID: 6817 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 64.514845][ T6817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.524919][ T6817] Call Trace: [ 64.528223][ T6817] dump_stack+0x188/0x20d [ 64.532574][ T6817] debug_smp_processor_id.cold+0x88/0x9b [ 64.538234][ T6817] ext4_mb_new_blocks+0xa77/0x3b30 [ 64.543369][ T6817] ? ext4_ext_search_right+0x2ca/0xb20 [ 64.548876][ T6817] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 64.554604][ T6817] ext4_ext_map_blocks+0x2044/0x3410 [ 64.559900][ T6817] ? ext4_ext_release+0x10/0x10 [ 64.564795][ T6817] ? __down_timeout+0x2d0/0x2d0 [ 64.569678][ T6817] ? ext4_es_lookup_extent+0x41d/0xd30 [ 64.575156][ T6817] ext4_map_blocks+0x4cb/0x1640 [ 64.580019][ T6817] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 64.585332][ T6817] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.590877][ T6817] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.591319][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 64.596848][ T6817] ? prandom_u32_state+0xe/0x170 [ 64.596864][ T6817] ? __brelse+0x84/0xa0 [ 64.596879][ T6817] ? __ext4_new_inode+0x144/0x57c0 [ 64.596898][ T6817] ext4_getblk+0xad/0x520 [ 64.605933][ T1154] caller is ext4_mb_new_blocks+0xa77/0x3b30 [ 64.610825][ T6817] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 64.636120][ T6817] ? ext4_free_inode+0x17e0/0x17e0 [ 64.641242][ T6817] ext4_bread+0x7c/0x380 [ 64.645506][ T6817] ? ext4_getblk+0x520/0x520 [ 64.650086][ T6817] ? dqget+0xff0/0xff0 [ 64.654157][ T6817] ext4_append+0x153/0x360 [ 64.658563][ T6817] ext4_mkdir+0x5e0/0xdf0 [ 64.662979][ T6817] ? ext4_rmdir+0xde0/0xde0 [ 64.667470][ T6817] ? security_inode_permission+0xc4/0xf0 [ 64.673095][ T6817] vfs_mkdir+0x419/0x690 [ 64.677321][ T6817] do_mkdirat+0x21e/0x280 [ 64.681633][ T6817] ? __ia32_sys_mknod+0xb0/0xb0 [ 64.686476][ T6817] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.692441][ T6817] ? do_syscall_64+0x21/0x7d0 [ 64.697103][ T6817] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.703069][ T6817] do_syscall_64+0xf6/0x7d0 [ 64.707569][ T6817] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 64.713465][ T6817] RIP: 0033:0x45bee7 [ 64.717355][ T6817] 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 [ 64.737135][ T6817] RSP: 002b:00007ffd1a079fa8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 64.745642][ T6817] RAX: ffffffffffffffda RBX: 000000000000fafb RCX: 000000000045bee7 [ 64.753772][ T6817] RDX: 00007ffd1a079ff3 RSI: 00000000000001ff RDI: 00007ffd1a079ff0 [ 64.762609][ T6817] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 64.771451][ T6817] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 64.779465][ T6817] R13: 00007ffd1a079fe0 R14: 000000000000faf7 R15: 00007ffd1a079ff0 [ 64.788652][ T1154] CPU: 1 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 64.796802][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.808091][ T1154] Call Trace: [ 64.815252][ T1154] dump_stack+0x188/0x20d [ 64.819635][ T1154] debug_smp_processor_id.cold+0x88/0x9b [ 64.825369][ T1154] ext4_mb_new_blocks+0xa77/0x3b30 [ 64.830690][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 64.836161][ T1154] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 64.842319][ T1154] ext4_ext_map_blocks+0x2044/0x3410 [ 64.847618][ T1154] ? ext4_ext_release+0x10/0x10 [ 64.852492][ T1154] ? __down_timeout+0x2d0/0x2d0 [ 64.857346][ T1154] ? ext4_es_lookup_extent+0x41d/0xd30 [ 64.863040][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 64.867907][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 64.873107][ T1154] ? debug_smp_processor_id+0x2f/0x185 2020/06/13 05:57:06 building call list... [ 64.878660][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.884214][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 64.890206][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 64.896040][ T1154] ext4_writepages+0x1ab7/0x3400 [ 64.901003][ T1154] ? mark_lock+0x30/0xdd0 [ 64.906391][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 64.912052][ T1154] ? __ext4_mark_inode_dirty+0x950/0x950 [ 64.917709][ T1154] ? do_writepages+0xfa/0x2a0 [ 64.922385][ T1154] do_writepages+0xfa/0x2a0 [ 64.927078][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 64.932817][ T1154] ? do_raw_spin_lock+0x129/0x2e0 [ 64.937842][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 64.943040][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 64.947894][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 64.953614][ T1154] ? collapse_file+0x3575/0x4300 [ 64.958556][ T1154] ? delete_from_page_cache_batch+0xec0/0xec0 [ 64.964636][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 64.969865][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 64.975857][ T1154] collapse_file+0x357f/0x4300 [ 64.980640][ T1154] ? collapse_huge_page+0x4370/0x4370 [ 64.986116][ T1154] ? khugepaged+0x24fa/0x3f80 [ 64.990817][ T1154] khugepaged+0x3049/0x3f80 [ 64.995344][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 65.000991][ T1154] ? lock_downgrade+0x840/0x840 [ 65.005841][ T1154] ? finish_wait+0x260/0x260 [ 65.010431][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 65.016237][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 65.022223][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 65.027249][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 65.032884][ T1154] kthread+0x388/0x470 [ 65.037151][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 65.042885][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 65.048623][ T1154] ret_from_fork+0x24/0x30 [ 65.321981][ T955] tipc: TX() has been purged, node left! executing program [ 66.568878][ T6801] can: request_module (can-proto-0) failed. [ 67.286210][ T6801] can: request_module (can-proto-0) failed. [ 67.297916][ T6801] can: request_module (can-proto-0) failed.