syzkaller login: [ 53.136328][ T6770] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6770 [ 53.145771][ T6770] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 53.152466][ T6770] CPU: 0 PID: 6770 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 [ 53.160724][ T6770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.170759][ T6770] Call Trace: [ 53.174122][ T6770] dump_stack+0x18f/0x20d [ 53.178439][ T6770] debug_smp_processor_id.cold+0x88/0x9b [ 53.184065][ T6770] ext4_mb_new_blocks+0xa4d/0x3b70 [ 53.189190][ T6770] ? ext4_ext_search_right+0x2ca/0xb20 [ 53.194640][ T6770] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 53.200346][ T6770] ext4_ext_map_blocks+0x201b/0x33e0 [ 53.205630][ T6770] ? ext4_ext_release+0x10/0x10 [ 53.210467][ T6770] ? down_write_killable+0x170/0x170 [ 53.215745][ T6770] ? ext4_es_lookup_extent+0x41d/0xd10 [ 53.221188][ T6770] ext4_map_blocks+0x4cb/0x1640 [ 53.226032][ T6770] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 53.231206][ T6770] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 53.236729][ T6770] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 53.242711][ T6770] ? prandom_u32_state+0xe/0x170 [ 53.247633][ T6770] ? __brelse+0x84/0xa0 [ 53.251781][ T6770] ? __ext4_new_inode+0x144/0x55e0 [ 53.256869][ T6770] ext4_getblk+0xad/0x520 [ 53.261179][ T6770] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 53.266875][ T6770] ? ext4_free_inode+0x1700/0x1700 [ 53.272574][ T6770] ext4_bread+0x7c/0x380 [ 53.276807][ T6770] ? ext4_getblk+0x520/0x520 [ 53.281386][ T6770] ? dquot_get_next_dqblk+0x180/0x180 [ 53.286752][ T6770] ext4_append+0x153/0x360 [ 53.291152][ T6770] ext4_mkdir+0x5e0/0xdf0 [ 53.295478][ T6770] ? ext4_rmdir+0xde0/0xde0 [ 53.300057][ T6770] ? security_inode_permission+0xc4/0xf0 [ 53.305685][ T6770] vfs_mkdir+0x419/0x690 [ 53.309909][ T6770] do_mkdirat+0x21e/0x280 [ 53.314215][ T6770] ? __ia32_sys_mknod+0xb0/0xb0 [ 53.319042][ T6770] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 53.325002][ T6770] ? do_syscall_64+0x21/0x7d0 [ 53.330782][ T6770] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 53.336757][ T6770] do_syscall_64+0xf6/0x7d0 [ 53.341357][ T6770] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 53.347230][ T6770] RIP: 0033:0x7f65a56ab687 [ 53.351636][ T6770] Code: Bad RIP value. [ 53.355686][ T6770] RSP: 002b:00007ffeaa57c348 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 53.364176][ T6770] RAX: ffffffffffffffda RBX: 000055fccb093985 RCX: 00007f65a56ab687 [ 53.372125][ T6770] RDX: 00007ffeaa57c210 RSI: 00000000000001ed RDI: 000055fccb093985 [ 53.380137][ T6770] RBP: 00007f65a56ab680 R08: 0000000000000100 R09: 0000000000000000 [ 53.388104][ T6770] R10: 000055fccb093980 R11: 0000000000000246 R12: 00000000000001ed [ 53.396059][ T6770] R13: 00007ffeaa57c4d0 R14: 0000000000000000 R15: 0000000000000000 [ 56.928127][ T6743] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:6/6743 [ 56.937441][ T6743] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 56.943442][ T6743] CPU: 1 PID: 6743 Comm: kworker/u4:6 Not tainted 5.7.0-syzkaller #0 [ 56.951510][ T6743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.961578][ T6743] Workqueue: writeback wb_workfn (flush-8:0) [ 56.967546][ T6743] Call Trace: [ 56.970826][ T6743] dump_stack+0x18f/0x20d [ 56.975141][ T6743] debug_smp_processor_id.cold+0x88/0x9b [ 56.980754][ T6743] ext4_mb_new_blocks+0xa4d/0x3b70 [ 56.985863][ T6743] ? ext4_find_extent+0x81a/0xad0 [ 56.991326][ T6743] ? ext4_ext_search_right+0x2ca/0xb20 [ 56.996761][ T6743] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.002463][ T6743] ext4_ext_map_blocks+0x201b/0x33e0 [ 57.007735][ T6743] ? ext4_ext_release+0x10/0x10 [ 57.012571][ T6743] ? down_write_killable+0x170/0x170 [ 57.018352][ T6743] ? ext4_es_lookup_extent+0x41d/0xd10 [ 57.023876][ T6743] ? debug_smp_processor_id+0x2f/0x185 [ 57.029348][ T6743] ext4_map_blocks+0x4cb/0x1640 [ 57.034320][ T6743] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.039503][ T6743] ? debug_smp_processor_id+0x2f/0x185 [ 57.044966][ T6743] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.050497][ T6743] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.056457][ T6743] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.061897][ T6743] ext4_writepages+0x1a7b/0x33c0 [ 57.066847][ T6743] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.072465][ T6743] ? __lock_acquire+0x2224/0x48b0 [ 57.077484][ T6743] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.083448][ T6743] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.089411][ T6743] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.095040][ T6743] ? do_writepages+0xfa/0x2a0 [ 57.099711][ T6743] do_writepages+0xfa/0x2a0 [ 57.104199][ T6743] ? page_writeback_cpu_online+0x10/0x10 [ 57.109914][ T6743] ? debug_smp_processor_id+0x2f/0x185 [ 57.115795][ T6743] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.121319][ T6743] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.127275][ T6743] ? lock_downgrade+0x840/0x840 [ 57.132119][ T6743] __writeback_single_inode+0x12a/0x13d0 [ 57.137732][ T6743] ? _raw_spin_unlock+0x24/0x40 [ 57.142676][ T6743] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 57.148741][ T6743] writeback_sb_inodes+0x515/0xdc0 [ 57.153836][ T6743] ? __writeback_single_inode+0x13d0/0x13d0 [ 57.159722][ T6743] __writeback_inodes_wb+0xc3/0x250 [ 57.164907][ T6743] wb_writeback+0x8db/0xd50 [ 57.169419][ T6743] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 57.175759][ T6743] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 57.181631][ T6743] ? cpumask_next+0x3c/0x40 [ 57.186111][ T6743] ? get_nr_dirty_inodes+0xd6/0x130 [ 57.191322][ T6743] wb_workfn+0xab3/0x1090 [ 57.195750][ T6743] ? inode_wait_for_writeback+0x30/0x30 [ 57.201325][ T6743] ? debug_smp_processor_id+0x2f/0x185 [ 57.206829][ T6743] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.212394][ T6743] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.218378][ T6743] process_one_work+0x965/0x1690 [ 57.223306][ T6743] ? lock_release+0x800/0x800 [ 57.227964][ T6743] ? pwq_dec_nr_in_flight+0x310/0x310 [ 57.233436][ T6743] ? rwlock_bug.part.0+0x90/0x90 [ 57.238364][ T6743] worker_thread+0x96/0xe10 [ 57.242873][ T6743] ? process_one_work+0x1690/0x1690 [ 57.248059][ T6743] kthread+0x3b5/0x4a0 [ 57.252110][ T6743] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.257806][ T6743] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.263521][ T6743] ret_from_fork+0x24/0x30 Warning: Permanently added '10.128.10.58' (ECDSA) to the list of known hosts. 2020/06/13 00:53:58 fuzzer started 2020/06/13 00:53:58 connecting to host at 10.128.0.26:45201 2020/06/13 00:53:58 checking machine... 2020/06/13 00:53:58 checking revisions... 2020/06/13 00:53:58 testing simple program... [ 58.662592][ T6777] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6777 [ 58.676152][ T6777] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.682502][ T6777] CPU: 1 PID: 6777 Comm: syz-fuzzer Not tainted 5.7.0-syzkaller #0 [ 58.690562][ T6777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.700911][ T6777] Call Trace: [ 58.704386][ T6777] dump_stack+0x18f/0x20d [ 58.709105][ T6777] debug_smp_processor_id.cold+0x88/0x9b [ 58.715738][ T6777] ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.721176][ T6777] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.727022][ T6777] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.732848][ T6777] ext4_ext_map_blocks+0x201b/0x33e0 [ 58.738387][ T6777] ? ext4_ext_release+0x10/0x10 [ 58.743367][ T6777] ? down_write_killable+0x170/0x170 [ 58.748678][ T6777] ? ext4_es_lookup_extent+0x41d/0xd10 [ 58.754404][ T6777] ext4_map_blocks+0x4cb/0x1640 [ 58.759416][ T6777] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.764926][ T6777] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.770792][ T6777] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.776761][ T6777] ? prandom_u32_state+0xe/0x170 [ 58.781695][ T6777] ? __brelse+0x84/0xa0 [ 58.785903][ T6777] ? __ext4_new_inode+0x144/0x55e0 [ 58.791241][ T6777] ext4_getblk+0xad/0x520 [ 58.795574][ T6777] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.801340][ T6777] ? ext4_free_inode+0x1700/0x1700 [ 58.806965][ T6777] ext4_bread+0x7c/0x380 [ 58.811244][ T6777] ? ext4_getblk+0x520/0x520 [ 58.815954][ T6777] ? dquot_get_next_dqblk+0x180/0x180 [ 58.821419][ T6777] ext4_append+0x153/0x360 [ 58.826165][ T6777] ext4_mkdir+0x5e0/0xdf0 [ 58.830775][ T6777] ? ext4_rmdir+0xde0/0xde0 [ 58.835288][ T6777] ? security_inode_permission+0xc4/0xf0 [ 58.840959][ T6777] vfs_mkdir+0x419/0x690 [ 58.845452][ T6777] do_mkdirat+0x21e/0x280 [ 58.849931][ T6777] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.854807][ T6777] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.860824][ T6777] ? do_syscall_64+0x21/0x7d0 [ 58.865593][ T6777] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.871722][ T6777] do_syscall_64+0xf6/0x7d0 [ 58.876463][ T6777] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.882579][ T6777] RIP: 0033:0x4b02a0 [ 58.886461][ T6777] Code: Bad RIP value. [ 58.890521][ T6777] RSP: 002b:000000c0000e34b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 58.899671][ T6777] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 58.908606][ T6777] RDX: 00000000000001c0 RSI: 000000c000026480 RDI: ffffffffffffff9c [ 58.916662][ T6777] RBP: 000000c0000e3510 R08: 0000000000000000 R09: 0000000000000000 [ 58.925274][ T6777] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 58.934192][ T6777] R13: 0000000000000025 R14: 0000000000000024 R15: 0000000000000100 [ 58.961001][ T6796] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6796 [ 58.971257][ T6796] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.977314][ T6796] CPU: 1 PID: 6796 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 58.985664][ T6796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.995754][ T6796] Call Trace: [ 58.999049][ T6796] dump_stack+0x18f/0x20d [ 59.003728][ T6796] debug_smp_processor_id.cold+0x88/0x9b [ 59.009865][ T6796] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.015072][ T6796] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.020542][ T6796] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.026475][ T6796] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.031948][ T6796] ? ext4_ext_release+0x10/0x10 [ 59.037054][ T6796] ? down_write_killable+0x170/0x170 [ 59.042879][ T6796] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.048554][ T6796] ext4_map_blocks+0x4cb/0x1640 [ 59.053421][ T6796] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.058777][ T6796] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.064553][ T6796] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.071685][ T6796] ? prandom_u32_state+0xe/0x170 [ 59.077130][ T6796] ? __brelse+0x84/0xa0 [ 59.081607][ T6796] ? __ext4_new_inode+0x144/0x55e0 [ 59.086714][ T6796] ext4_getblk+0xad/0x520 [ 59.091127][ T6796] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.096922][ T6796] ? ext4_free_inode+0x1700/0x1700 [ 59.102029][ T6796] ext4_bread+0x7c/0x380 [ 59.106351][ T6796] ? ext4_getblk+0x520/0x520 [ 59.110936][ T6796] ? dquot_get_next_dqblk+0x180/0x180 [ 59.116349][ T6796] ext4_append+0x153/0x360 [ 59.120794][ T6796] ext4_mkdir+0x5e0/0xdf0 [ 59.125150][ T6796] ? ext4_rmdir+0xde0/0xde0 [ 59.129647][ T6796] ? security_inode_permission+0xc4/0xf0 [ 59.135317][ T6796] vfs_mkdir+0x419/0x690 [ 59.139645][ T6796] do_mkdirat+0x21e/0x280 [ 59.143970][ T6796] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.148833][ T6796] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.154811][ T6796] ? do_syscall_64+0x21/0x7d0 [ 59.159521][ T6796] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.165495][ T6796] do_syscall_64+0xf6/0x7d0 [ 59.170127][ T6796] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.176297][ T6796] RIP: 0033:0x45bee7 [ 59.180198][ T6796] Code: Bad RIP value. [ 59.184526][ T6796] RSP: 002b:00007ffdbf5feb58 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 59.192943][ T6796] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 59.200940][ T6796] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007ffdbf5fed30 [ 59.209007][ T6796] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 00000000000037c0 [ 59.218096][ T6796] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 59.226254][ T6796] R13: 00007ffdbf5fed30 R14: 8421084210842109 R15: 00007ffdbf5fed3c [ 59.310491][ T6797] IPVS: ftp: loaded support on port[0] = 21 [ 59.347894][ T6797] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6797 [ 59.357548][ T6797] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.363431][ T6797] CPU: 0 PID: 6797 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.371784][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.382012][ T6797] Call Trace: [ 59.385361][ T6797] dump_stack+0x18f/0x20d [ 59.389745][ T6797] debug_smp_processor_id.cold+0x88/0x9b [ 59.395425][ T6797] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.400536][ T6797] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.406023][ T6797] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.411785][ T6797] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.417064][ T6797] ? ext4_ext_release+0x10/0x10 [ 59.421916][ T6797] ? down_write_killable+0x170/0x170 [ 59.427188][ T6797] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.432818][ T6797] ext4_map_blocks+0x4cb/0x1640 [ 59.437836][ T6797] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.443088][ T6797] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.448820][ T6797] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.454906][ T6797] ? prandom_u32_state+0xe/0x170 [ 59.459841][ T6797] ? __brelse+0x84/0xa0 [ 59.464024][ T6797] ? __ext4_new_inode+0x144/0x55e0 [ 59.469191][ T6797] ext4_getblk+0xad/0x520 [ 59.473512][ T6797] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.479550][ T6797] ? ext4_free_inode+0x1700/0x1700 [ 59.484937][ T6797] ext4_bread+0x7c/0x380 [ 59.489613][ T6797] ? ext4_getblk+0x520/0x520 [ 59.494609][ T6797] ? dquot_get_next_dqblk+0x180/0x180 [ 59.502703][ T6797] ext4_append+0x153/0x360 [ 59.507703][ T6797] ext4_mkdir+0x5e0/0xdf0 [ 59.512046][ T6797] ? ext4_rmdir+0xde0/0xde0 [ 59.517477][ T6797] ? security_inode_permission+0xc4/0xf0 [ 59.524036][ T6797] vfs_mkdir+0x419/0x690 [ 59.528425][ T6797] do_mkdirat+0x21e/0x280 [ 59.532863][ T6797] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.538709][ T6797] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.545343][ T6797] ? do_syscall_64+0x21/0x7d0 [ 59.550452][ T6797] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.557933][ T6797] do_syscall_64+0xf6/0x7d0 [ 59.562579][ T6797] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.569305][ T6797] RIP: 0033:0x45bee7 [ 59.573306][ T6797] Code: Bad RIP value. [ 59.577366][ T6797] RSP: 002b:00007ffdbf5fea48 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 59.586820][ T6797] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 59.595952][ T6797] RDX: 00007ffdbf5fea93 RSI: 00000000000001ff RDI: 00007ffdbf5fea90 [ 59.606434][ T6797] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 59.614700][ T6797] R10: 0000000000000064 R11: 0000000000000206 R12: 00000000004185d0 [ 59.622889][ T6797] R13: 00007ffdbf5fea80 R14: 0000000000000000 R15: 00007ffdbf5fea90 [ 59.672383][ T6797] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6797 [ 59.684727][ T6797] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.692534][ T6797] CPU: 0 PID: 6797 Comm: syz-executor.0 Not tainted 5.7.0-syzkaller #0 [ 59.702513][ T6797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.713406][ T6797] Call Trace: [ 59.716721][ T6797] dump_stack+0x18f/0x20d [ 59.722476][ T6797] debug_smp_processor_id.cold+0x88/0x9b [ 59.729371][ T6797] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.735675][ T6797] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.741572][ T6797] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.747594][ T6797] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.752989][ T6797] ? ext4_ext_release+0x10/0x10 [ 59.757940][ T6797] ? down_write_killable+0x170/0x170 [ 59.763450][ T6797] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.769028][ T6797] ext4_map_blocks+0x4cb/0x1640 [ 59.773876][ T6797] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.779197][ T6797] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.784875][ T6797] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.791044][ T6797] ? prandom_u32_state+0xe/0x170 [ 59.796145][ T6797] ? __brelse+0x84/0xa0 [ 59.800300][ T6797] ? __ext4_new_inode+0x144/0x55e0 [ 59.805749][ T6797] ext4_getblk+0xad/0x520 [ 59.810078][ T6797] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.815971][ T6797] ? ext4_free_inode+0x1700/0x1700 [ 59.821075][ T6797] ext4_bread+0x7c/0x380 [ 59.825554][ T6797] ? ext4_getblk+0x520/0x520 [ 59.830371][ T6797] ? dquot_get_next_dqblk+0x180/0x180 [ 59.835917][ T6797] ext4_append+0x153/0x360 [ 59.840399][ T6797] ext4_mkdir+0x5e0/0xdf0 [ 59.844853][ T6797] ? ext4_rmdir+0xde0/0xde0 [ 59.849431][ T6797] ? security_inode_permission+0xc4/0xf0 [ 59.855058][ T6797] vfs_mkdir+0x419/0x690 [ 59.859306][ T6797] do_mkdirat+0x21e/0x280 [ 59.863623][ T6797] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.868547][ T6797] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.874783][ T6797] ? do_syscall_64+0x21/0x7d0 [ 59.879822][ T6797] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.885806][ T6797] do_syscall_64+0xf6/0x7d0 [ 59.890557][ T6797] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.896439][ T6797] RIP: 0033:0x45bee7 [ 59.900316][ T6797] Code: Bad RIP value. [ 59.904367][ T6797] RSP: 002b:00007ffdbf5fea48 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 59.913544][ T6797] RAX: ffffffffffffffda RBX: 000000000000e907 RCX: 000000000045bee7 2020/06/13 00:53:59 building call list... [ 59.921554][ T6797] RDX: 00007ffdbf5fea93 RSI: 00000000000001ff RDI: 00007ffdbf5fea90 [ 59.929573][ T6797] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 59.938504][ T6797] R10: 0000000000000064 R11: 0000000000000206 R12: 0000000000000003 [ 59.946637][ T6797] R13: 00007ffdbf5fea80 R14: 000000000000e903 R15: 00007ffdbf5fea90 [ 60.147678][ T6743] tipc: TX() has been purged, node left! [ 61.014096][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 61.023639][ T1154] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.029629][ T1154] CPU: 1 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 61.037521][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.048061][ T1154] Call Trace: [ 61.051455][ T1154] dump_stack+0x18f/0x20d [ 61.056423][ T1154] debug_smp_processor_id.cold+0x88/0x9b [ 61.062075][ T1154] ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.067206][ T1154] ? ext4_find_extent+0x81a/0xad0 [ 61.072439][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.078512][ T1154] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 61.084429][ T1154] ext4_ext_map_blocks+0x201b/0x33e0 [ 61.089728][ T1154] ? ext4_ext_release+0x10/0x10 [ 61.095064][ T1154] ? down_write_killable+0x170/0x170 [ 61.100648][ T1154] ? ext4_es_lookup_extent+0x41d/0xd10 [ 61.106120][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 61.110992][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.116199][ T1154] ? debug_smp_processor_id+0x2f/0x185 [ 61.121669][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.127365][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.133359][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 61.138828][ T1154] ext4_writepages+0x1a7b/0x33c0 [ 61.143791][ T1154] ? mark_lock+0x70/0xdd0 [ 61.148137][ T1154] ? __ext4_mark_inode_dirty+0x940/0x940 [ 61.153803][ T1154] ? __ext4_mark_inode_dirty+0x940/0x940 [ 61.159524][ T1154] ? do_writepages+0xfa/0x2a0 [ 61.164202][ T1154] do_writepages+0xfa/0x2a0 [ 61.168736][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 61.174459][ T1154] ? do_raw_spin_lock+0x120/0x2d0 [ 61.179486][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 61.184705][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 61.189608][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 61.195443][ T1154] ? collapse_file+0x35a2/0x4330 [ 61.200399][ T1154] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 61.206486][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 61.211700][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.217706][ T1154] collapse_file+0x35ac/0x4330 [ 61.222495][ T1154] ? collapse_huge_page+0x4350/0x4350 [ 61.227870][ T1154] ? khugepaged+0x2506/0x3fc0 [ 61.232566][ T1154] ? xas_find+0x31a/0x880 [ 61.237240][ T1154] khugepaged+0x3041/0x3fc0 [ 61.241784][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.247427][ T1154] ? lock_downgrade+0x840/0x840 [ 61.252404][ T1154] ? finish_wait+0x260/0x260 [ 61.257177][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 61.262986][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.269408][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 61.274438][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.281033][ T1154] kthread+0x3b5/0x4a0 [ 61.285107][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.290975][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.296917][ T1154] ret_from_fork+0x24/0x30 [ 61.370903][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 61.380478][ T1154] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.386643][ T1154] CPU: 1 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 61.394537][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.405081][ T1154] Call Trace: [ 61.408520][ T1154] dump_stack+0x18f/0x20d [ 61.413189][ T1154] debug_smp_processor_id.cold+0x88/0x9b [ 61.419582][ T1154] ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.424782][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.430388][ T1154] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 61.436541][ T1154] ext4_ext_map_blocks+0x201b/0x33e0 [ 61.442035][ T1154] ? ext4_ext_release+0x10/0x10 [ 61.447025][ T1154] ? down_write_killable+0x170/0x170 [ 61.452299][ T1154] ? ext4_es_lookup_extent+0x41d/0xd10 [ 61.457749][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 61.462890][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.468082][ T1154] ? debug_smp_processor_id+0x2f/0x185 [ 61.473533][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.479223][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.486175][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 61.491730][ T1154] ext4_writepages+0x1a7b/0x33c0 [ 61.496663][ T1154] ? mark_lock+0x70/0xdd0 [ 61.500995][ T1154] ? __ext4_mark_inode_dirty+0x940/0x940 [ 61.506738][ T1154] ? __ext4_mark_inode_dirty+0x940/0x940 [ 61.512457][ T1154] ? do_writepages+0xfa/0x2a0 [ 61.517188][ T1154] do_writepages+0xfa/0x2a0 [ 61.521741][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 61.527638][ T1154] ? do_raw_spin_lock+0x120/0x2d0 [ 61.532806][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 61.538119][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 61.543125][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 61.549575][ T1154] ? collapse_file+0x35a2/0x4330 [ 61.554508][ T1154] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 61.560901][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 61.566196][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.572174][ T1154] collapse_file+0x35ac/0x4330 [ 61.577028][ T1154] ? collapse_huge_page+0x4350/0x4350 [ 61.582474][ T1154] ? khugepaged+0x2506/0x3fc0 [ 61.587146][ T1154] ? xas_find+0x31a/0x880 [ 61.591543][ T1154] khugepaged+0x3041/0x3fc0 [ 61.596174][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.603127][ T1154] ? lock_downgrade+0x840/0x840 [ 61.608049][ T1154] ? finish_wait+0x260/0x260 [ 61.612720][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 executing program [ 61.618883][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.624858][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 61.630636][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.636581][ T1154] kthread+0x3b5/0x4a0 [ 61.640739][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.646647][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.652719][ T1154] ret_from_fork+0x24/0x30 [ 61.696057][ T1154] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1154 [ 61.706537][ T1154] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.712805][ T1154] CPU: 0 PID: 1154 Comm: khugepaged Not tainted 5.7.0-syzkaller #0 [ 61.720788][ T1154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.730935][ T1154] Call Trace: [ 61.734252][ T1154] dump_stack+0x18f/0x20d [ 61.738719][ T1154] debug_smp_processor_id.cold+0x88/0x9b [ 61.744482][ T1154] ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.749630][ T1154] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.756038][ T1154] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 61.763751][ T1154] ext4_ext_map_blocks+0x201b/0x33e0 [ 61.770633][ T1154] ? ext4_ext_release+0x10/0x10 [ 61.776322][ T1154] ? down_write_killable+0x170/0x170 [ 61.782706][ T1154] ? ext4_es_lookup_extent+0x41d/0xd10 [ 61.788287][ T1154] ext4_map_blocks+0x4cb/0x1640 [ 61.793328][ T1154] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.798687][ T1154] ? debug_smp_processor_id+0x2f/0x185 [ 61.804160][ T1154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.810269][ T1154] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.816330][ T1154] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 61.821891][ T1154] ext4_writepages+0x1a7b/0x33c0 [ 61.826947][ T1154] ? mark_lock+0x70/0xdd0 [ 61.831564][ T1154] ? __ext4_mark_inode_dirty+0x940/0x940 [ 61.837518][ T1154] ? __ext4_mark_inode_dirty+0x940/0x940 [ 61.843336][ T1154] ? do_writepages+0xfa/0x2a0 [ 61.849021][ T1154] do_writepages+0xfa/0x2a0 [ 61.856793][ T1154] ? page_writeback_cpu_online+0x10/0x10 [ 61.863130][ T1154] ? do_raw_spin_lock+0x120/0x2d0 [ 61.869484][ T1154] ? do_raw_spin_unlock+0x171/0x260 [ 61.874947][ T1154] ? _raw_spin_unlock+0x24/0x40 [ 61.879943][ T1154] __filemap_fdatawrite_range+0x2aa/0x390 [ 61.885669][ T1154] ? collapse_file+0x35a2/0x4330 [ 61.890680][ T1154] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 61.896757][ T1154] ? _raw_spin_unlock_irq+0x1f/0x80 [ 61.901956][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.907948][ T1154] collapse_file+0x35ac/0x4330 [ 61.912737][ T1154] ? collapse_huge_page+0x4350/0x4350 [ 61.918120][ T1154] ? khugepaged+0x2506/0x3fc0 [ 61.922926][ T1154] ? xas_find+0x31a/0x880 [ 61.927267][ T1154] khugepaged+0x3041/0x3fc0 [ 61.931937][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.937581][ T1154] ? lock_downgrade+0x840/0x840 [ 61.942613][ T1154] ? finish_wait+0x260/0x260 [ 61.947296][ T1154] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 61.953175][ T1154] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.959297][ T1154] ? __kthread_parkme+0x13f/0x1e0 [ 61.964415][ T1154] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.970056][ T1154] kthread+0x3b5/0x4a0 [ 61.974145][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.979867][ T1154] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.985591][ T1154] ret_from_fork+0x24/0x30 [ 62.209479][ T6792] can: request_module (can-proto-0) failed. [ 62.845838][ T6792] can: request_module (can-proto-0) failed. [ 62.858750][ T6792] can: request_module (can-proto-0) failed.