Starting Load/Save RF Kill Switch Status... [ 52.177092][ T6727] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6727 [ 52.186813][ T6727] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 52.193045][ T6727] CPU: 1 PID: 6727 Comm: systemd-rfkill Not tainted 5.7.0-next-20200605-syzkaller #0 [ 52.202498][ T6727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.212530][ T6727] Call Trace: [ 52.215801][ T6727] dump_stack+0x18f/0x20d [ 52.220111][ T6727] check_preemption_disabled+0x20d/0x220 [ 52.225722][ T6727] ext4_mb_new_blocks+0xa4d/0x3b70 [ 52.230823][ T6727] ? ext4_ext_search_right+0x2ca/0xb20 [ 52.236261][ T6727] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 52.241977][ T6727] ext4_ext_map_blocks+0x201b/0x33e0 [ 52.247320][ T6727] ? ext4_ext_release+0x10/0x10 [ 52.252208][ T6727] ? down_write_killable+0x170/0x170 [ 52.257490][ T6727] ? ext4_es_lookup_extent+0x41d/0xd10 [ 52.262933][ T6727] ext4_map_blocks+0x4cb/0x1640 [ 52.267764][ T6727] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 52.272952][ T6727] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.278492][ T6727] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 52.284446][ T6727] ? prandom_u32_state+0xe/0x170 [ 52.289366][ T6727] ? __brelse+0x84/0xa0 [ 52.293497][ T6727] ? __ext4_new_inode+0x144/0x55e0 [ 52.298598][ T6727] ext4_getblk+0xad/0x520 [ 52.302905][ T6727] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 52.308623][ T6727] ? ext4_free_inode+0x1700/0x1700 [ 52.313733][ T6727] ext4_bread+0x7c/0x380 [ 52.317950][ T6727] ? ext4_getblk+0x520/0x520 [ 52.322525][ T6727] ? dquot_get_next_dqblk+0x180/0x180 [ 52.327878][ T6727] ext4_append+0x153/0x360 [ 52.332272][ T6727] ext4_mkdir+0x5e0/0xdf0 [ 52.336585][ T6727] ? ext4_rmdir+0xde0/0xde0 [ 52.341064][ T6727] ? security_inode_permission+0xc4/0xf0 [ 52.346686][ T6727] vfs_mkdir+0x419/0x690 [ 52.350917][ T6727] do_mkdirat+0x21e/0x280 [ 52.355225][ T6727] ? __ia32_sys_mknod+0xb0/0xb0 [ 52.360470][ T6727] ? do_syscall_64+0x1c/0xe0 [ 52.365078][ T6727] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 52.371075][ T6727] do_syscall_64+0x60/0xe0 [ 52.375492][ T6727] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.381359][ T6727] RIP: 0033:0x7fe51ceee687 [ 52.385841][ T6727] Code: Bad RIP value. [ 52.389890][ T6727] RSP: 002b:00007fff5b738a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 52.398279][ T6727] RAX: ffffffffffffffda RBX: 000055b8594a7985 RCX: 00007fe51ceee687 [ 52.406241][ T6727] RDX: 00007fff5b738930 RSI: 00000000000001ed RDI: 000055b8594a7985 [ 52.414192][ T6727] RBP: 00007fe51ceee680 R08: 0000000000000100 R09: 0000000000000000 [ 52.422149][ T6727] R10: 000055b8594a7980 R11: 0000000000000246 R12: 00000000000001ed [ 52.430092][ T6727] R13: 00007fff5b738bf0 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 55.920383][ T21] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:1/21 [ 55.929478][ T21] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 55.935551][ T21] CPU: 1 PID: 21 Comm: kworker/u4:1 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 55.944650][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.954693][ T21] Workqueue: writeback wb_workfn (flush-8:0) [ 55.960655][ T21] Call Trace: [ 55.963938][ T21] dump_stack+0x18f/0x20d [ 55.968253][ T21] check_preemption_disabled+0x20d/0x220 [ 55.973877][ T21] ext4_mb_new_blocks+0xa4d/0x3b70 [ 55.978963][ T21] ? ext4_find_extent+0x81a/0xad0 [ 55.983984][ T21] ? ext4_ext_search_right+0x2ca/0xb20 [ 55.989430][ T21] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 55.995136][ T21] ext4_ext_map_blocks+0x201b/0x33e0 [ 56.000673][ T21] ? ext4_ext_release+0x10/0x10 [ 56.005511][ T21] ? down_write_killable+0x170/0x170 [ 56.010783][ T21] ? ext4_es_lookup_extent+0x41d/0xd10 [ 56.016239][ T21] ext4_map_blocks+0x4cb/0x1640 [ 56.021074][ T21] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 56.026260][ T21] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.031794][ T21] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.037749][ T21] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 56.043185][ T21] ext4_writepages+0x1a7b/0x33c0 [ 56.048110][ T21] ? __ext4_mark_inode_dirty+0x940/0x940 [ 56.053717][ T21] ? __lock_acquire+0x2224/0x48b0 [ 56.058730][ T21] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.064705][ T21] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.070673][ T21] ? __ext4_mark_inode_dirty+0x940/0x940 [ 56.076280][ T21] ? do_writepages+0xfa/0x2a0 [ 56.080934][ T21] do_writepages+0xfa/0x2a0 [ 56.085419][ T21] ? page_writeback_cpu_online+0x10/0x10 [ 56.091030][ T21] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.096558][ T21] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.102523][ T21] ? lock_downgrade+0x840/0x840 [ 56.107374][ T21] __writeback_single_inode+0x12a/0x13d0 [ 56.112983][ T21] ? _raw_spin_unlock+0x24/0x40 [ 56.117809][ T21] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 56.123767][ T21] writeback_sb_inodes+0x515/0xdc0 [ 56.128862][ T21] ? __writeback_single_inode+0x13d0/0x13d0 [ 56.134752][ T21] __writeback_inodes_wb+0xc3/0x250 [ 56.139943][ T21] wb_writeback+0x8db/0xd50 [ 56.144424][ T21] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 56.150740][ T21] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 56.156611][ T21] ? cpumask_next+0x3c/0x40 [ 56.161088][ T21] ? get_nr_dirty_inodes+0xd6/0x130 [ 56.166265][ T21] wb_workfn+0xab3/0x1090 [ 56.170575][ T21] ? inode_wait_for_writeback+0x30/0x30 [ 56.176099][ T21] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.181633][ T21] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.187592][ T21] process_one_work+0x965/0x1690 [ 56.192511][ T21] ? lock_release+0x800/0x800 [ 56.197164][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 56.202513][ T21] ? rwlock_bug.part.0+0x90/0x90 [ 56.207443][ T21] worker_thread+0x96/0xe10 [ 56.211931][ T21] ? process_one_work+0x1690/0x1690 [ 56.217105][ T21] kthread+0x3b5/0x4a0 [ 56.221155][ T21] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.226846][ T21] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.232542][ T21] ret_from_fork+0x1f/0x30 Warning: Permanently added '10.128.0.52' (ECDSA) to the list of known hosts. 2020/06/08 02:00:46 fuzzer started 2020/06/08 02:00:46 connecting to host at 10.128.0.26:39157 2020/06/08 02:00:46 checking machine... 2020/06/08 02:00:46 checking revisions... 2020/06/08 02:00:46 testing simple program... [ 57.849690][ T6795] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6795 [ 57.858748][ T6795] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.864737][ T6795] CPU: 0 PID: 6795 Comm: syz-fuzzer Not tainted 5.7.0-next-20200605-syzkaller #0 [ 57.873832][ T6795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.883864][ T6795] Call Trace: [ 57.887135][ T6795] dump_stack+0x18f/0x20d [ 57.891580][ T6795] check_preemption_disabled+0x20d/0x220 [ 57.897211][ T6795] ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.902313][ T6795] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.907762][ T6795] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.913462][ T6795] ext4_ext_map_blocks+0x201b/0x33e0 [ 57.918728][ T6795] ? ext4_ext_release+0x10/0x10 [ 57.923565][ T6795] ? down_write_killable+0x170/0x170 [ 57.928835][ T6795] ? ext4_es_lookup_extent+0x41d/0xd10 [ 57.934286][ T6795] ext4_map_blocks+0x4cb/0x1640 [ 57.939141][ T6795] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.944317][ T6795] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.949844][ T6795] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.955801][ T6795] ? prandom_u32_state+0xe/0x170 [ 57.960717][ T6795] ? __brelse+0x84/0xa0 [ 57.964872][ T6795] ? __ext4_new_inode+0x144/0x55e0 [ 57.969974][ T6795] ext4_getblk+0xad/0x520 [ 57.974290][ T6795] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 57.980012][ T6795] ? ext4_free_inode+0x1700/0x1700 [ 57.985110][ T6795] ext4_bread+0x7c/0x380 [ 57.989329][ T6795] ? ext4_getblk+0x520/0x520 [ 57.993911][ T6795] ? dquot_get_next_dqblk+0x180/0x180 [ 57.999277][ T6795] ext4_append+0x153/0x360 [ 58.003671][ T6795] ext4_mkdir+0x5e0/0xdf0 [ 58.007993][ T6795] ? ext4_rmdir+0xde0/0xde0 [ 58.012490][ T6795] ? security_inode_permission+0xc4/0xf0 [ 58.018115][ T6795] vfs_mkdir+0x419/0x690 [ 58.022348][ T6795] do_mkdirat+0x21e/0x280 [ 58.026656][ T6795] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.031494][ T6795] ? do_syscall_64+0x1c/0xe0 [ 58.036058][ T6795] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.042021][ T6795] do_syscall_64+0x60/0xe0 [ 58.046423][ T6795] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.052289][ T6795] RIP: 0033:0x4b02a0 [ 58.056163][ T6795] Code: Bad RIP value. [ 58.060205][ T6795] RSP: 002b:000000c00004f4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 58.068617][ T6795] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 58.076566][ T6795] RDX: 00000000000001c0 RSI: 000000c000026de0 RDI: ffffffffffffff9c [ 58.084514][ T6795] RBP: 000000c00004f510 R08: 0000000000000000 R09: 0000000000000000 [ 58.092471][ T6795] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 58.100419][ T6795] R13: 0000000000000070 R14: 000000000000006f R15: 0000000000000100 [ 58.125671][ T6814] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6814 [ 58.135150][ T6814] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.141138][ T6814] CPU: 1 PID: 6814 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 58.150586][ T6814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.160640][ T6814] Call Trace: [ 58.163913][ T6814] dump_stack+0x18f/0x20d [ 58.168223][ T6814] check_preemption_disabled+0x20d/0x220 [ 58.173831][ T6814] ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.178923][ T6814] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.184363][ T6814] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.190060][ T6814] ext4_ext_map_blocks+0x201b/0x33e0 [ 58.195325][ T6814] ? ext4_ext_release+0x10/0x10 [ 58.200163][ T6814] ? down_write_killable+0x170/0x170 [ 58.205424][ T6814] ? ext4_es_lookup_extent+0x41d/0xd10 [ 58.210860][ T6814] ext4_map_blocks+0x4cb/0x1640 [ 58.215690][ T6814] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.220866][ T6814] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.226400][ T6814] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.232354][ T6814] ? prandom_u32_state+0xe/0x170 [ 58.237271][ T6814] ? __brelse+0x84/0xa0 [ 58.241405][ T6814] ? __ext4_new_inode+0x144/0x55e0 [ 58.246501][ T6814] ext4_getblk+0xad/0x520 [ 58.250809][ T6814] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.256513][ T6814] ? ext4_free_inode+0x1700/0x1700 [ 58.261599][ T6814] ext4_bread+0x7c/0x380 [ 58.265817][ T6814] ? ext4_getblk+0x520/0x520 [ 58.270395][ T6814] ? dquot_get_next_dqblk+0x180/0x180 [ 58.275755][ T6814] ext4_append+0x153/0x360 [ 58.280150][ T6814] ext4_mkdir+0x5e0/0xdf0 [ 58.284457][ T6814] ? ext4_rmdir+0xde0/0xde0 [ 58.288939][ T6814] ? security_inode_permission+0xc4/0xf0 [ 58.294553][ T6814] vfs_mkdir+0x419/0x690 [ 58.298775][ T6814] do_mkdirat+0x21e/0x280 [ 58.303094][ T6814] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.307932][ T6814] ? do_syscall_64+0x1c/0xe0 [ 58.312499][ T6814] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.318469][ T6814] do_syscall_64+0x60/0xe0 [ 58.322863][ T6814] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.328731][ T6814] RIP: 0033:0x45bee7 [ 58.332595][ T6814] Code: Bad RIP value. [ 58.336645][ T6814] RSP: 002b:00007ffe9c711ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 58.345043][ T6814] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 58.353012][ T6814] RDX: 0000000000000003 RSI: 00000000000001c0 RDI: 00007ffe9c711cb0 [ 58.360971][ T6814] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 00000000000035c0 [ 58.369025][ T6814] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 58.377005][ T6814] R13: 00007ffe9c711cb0 R14: 8421084210842109 R15: 00007ffe9c711cbc [ 58.457146][ T6815] IPVS: ftp: loaded support on port[0] = 21 [ 58.493407][ T6815] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6815 [ 58.502842][ T6815] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.508726][ T6815] CPU: 0 PID: 6815 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 58.518152][ T6815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.528206][ T6815] Call Trace: [ 58.531491][ T6815] dump_stack+0x18f/0x20d [ 58.535815][ T6815] check_preemption_disabled+0x20d/0x220 [ 58.541445][ T6815] ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.546544][ T6815] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.551981][ T6815] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.557683][ T6815] ext4_ext_map_blocks+0x201b/0x33e0 [ 58.562964][ T6815] ? ext4_ext_release+0x10/0x10 [ 58.567891][ T6815] ? down_write_killable+0x170/0x170 [ 58.573161][ T6815] ? ext4_es_lookup_extent+0x41d/0xd10 [ 58.578609][ T6815] ext4_map_blocks+0x4cb/0x1640 [ 58.583443][ T6815] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.588619][ T6815] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.594159][ T6815] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.605939][ T6815] ? prandom_u32_state+0xe/0x170 [ 58.610963][ T6815] ? __brelse+0x84/0xa0 [ 58.615096][ T6815] ? __ext4_new_inode+0x144/0x55e0 [ 58.620185][ T6815] ext4_getblk+0xad/0x520 [ 58.624492][ T6815] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.630192][ T6815] ? ext4_free_inode+0x1700/0x1700 [ 58.635292][ T6815] ext4_bread+0x7c/0x380 [ 58.639525][ T6815] ? ext4_getblk+0x520/0x520 [ 58.644104][ T6815] ? dquot_get_next_dqblk+0x180/0x180 [ 58.649470][ T6815] ext4_append+0x153/0x360 [ 58.653876][ T6815] ext4_mkdir+0x5e0/0xdf0 [ 58.658186][ T6815] ? ext4_rmdir+0xde0/0xde0 [ 58.662683][ T6815] ? security_inode_permission+0xc4/0xf0 [ 58.668294][ T6815] vfs_mkdir+0x419/0x690 [ 58.672517][ T6815] do_mkdirat+0x21e/0x280 [ 58.676825][ T6815] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.681664][ T6815] ? do_syscall_64+0x1c/0xe0 [ 58.686240][ T6815] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.692211][ T6815] do_syscall_64+0x60/0xe0 [ 58.696609][ T6815] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.702479][ T6815] RIP: 0033:0x45bee7 [ 58.706344][ T6815] Code: Bad RIP value. [ 58.710397][ T6815] RSP: 002b:00007ffe9c7119c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 58.718783][ T6815] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 58.726735][ T6815] RDX: 00007ffe9c711a13 RSI: 00000000000001ff RDI: 00007ffe9c711a10 [ 58.734682][ T6815] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 58.742639][ T6815] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185d0 [ 58.750586][ T6815] R13: 00007ffe9c711a00 R14: 0000000000000000 R15: 00007ffe9c711a10 [ 58.802817][ T6815] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6815 [ 58.812322][ T6815] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.818222][ T6815] CPU: 1 PID: 6815 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 58.827675][ T6815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.837752][ T6815] Call Trace: [ 58.841059][ T6815] dump_stack+0x18f/0x20d [ 58.845400][ T6815] check_preemption_disabled+0x20d/0x220 [ 58.851041][ T6815] ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.856170][ T6815] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.861637][ T6815] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.867415][ T6815] ext4_ext_map_blocks+0x201b/0x33e0 [ 58.872697][ T6815] ? ext4_ext_release+0x10/0x10 [ 58.877539][ T6815] ? down_write_killable+0x170/0x170 [ 58.882804][ T6815] ? ext4_es_lookup_extent+0x41d/0xd10 [ 58.888241][ T6815] ext4_map_blocks+0x4cb/0x1640 [ 58.893072][ T6815] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.898298][ T6815] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.903834][ T6815] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.909791][ T6815] ? prandom_u32_state+0xe/0x170 [ 58.914724][ T6815] ? __brelse+0x84/0xa0 [ 58.918874][ T6815] ? __ext4_new_inode+0x144/0x55e0 [ 58.924050][ T6815] ext4_getblk+0xad/0x520 [ 58.928372][ T6815] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.934070][ T6815] ? ext4_free_inode+0x1700/0x1700 [ 58.939158][ T6815] ext4_bread+0x7c/0x380 [ 58.943390][ T6815] ? ext4_getblk+0x520/0x520 [ 58.947957][ T6815] ? dquot_get_next_dqblk+0x180/0x180 [ 58.953328][ T6815] ext4_append+0x153/0x360 [ 58.957766][ T6815] ext4_mkdir+0x5e0/0xdf0 [ 58.962085][ T6815] ? ext4_rmdir+0xde0/0xde0 [ 58.973432][ T6815] ? security_inode_permission+0xc4/0xf0 [ 58.979050][ T6815] vfs_mkdir+0x419/0x690 [ 58.983273][ T6815] do_mkdirat+0x21e/0x280 [ 58.987596][ T6815] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.992426][ T6815] ? do_syscall_64+0x1c/0xe0 [ 58.996995][ T6815] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.002955][ T6815] do_syscall_64+0x60/0xe0 [ 59.007349][ T6815] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.013216][ T6815] RIP: 0033:0x45bee7 [ 59.017083][ T6815] Code: Bad RIP value. [ 59.021141][ T6815] RSP: 002b:00007ffe9c7119c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 59.029525][ T6815] RAX: ffffffffffffffda RBX: 000000000000e5a1 RCX: 000000000045bee7 [ 59.037494][ T6815] RDX: 00007ffe9c711a13 RSI: 00000000000001ff RDI: 00007ffe9c711a10 [ 59.045443][ T6815] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 2020/06/08 02:00:47 building call list... [ 59.053408][ T6815] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 59.061357][ T6815] R13: 00007ffe9c711a00 R14: 000000000000e598 R15: 00007ffe9c711a10 [ 59.298786][ T21] tipc: TX() has been purged, node left! executing program [ 60.817233][ T6813] can: request_module (can-proto-0) failed. [ 61.365613][ T6813] can: request_module (can-proto-0) failed. [ 61.376920][ T6813] can: request_module (can-proto-0) failed. [ 61.534257][ T1156] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1156 [ 61.543766][ T1156] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.549769][ T1156] CPU: 0 PID: 1156 Comm: khugepaged Not tainted 5.7.0-next-20200605-syzkaller #0 [ 61.558877][ T1156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.568940][ T1156] Call Trace: [ 61.572251][ T1156] dump_stack+0x18f/0x20d [ 61.576605][ T1156] check_preemption_disabled+0x20d/0x220 [ 61.582252][ T1156] ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.587376][ T1156] ? ext4_find_extent+0x81a/0xad0 [ 61.592423][ T1156] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.598154][ T1156] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 61.603890][ T1156] ext4_ext_map_blocks+0x201b/0x33e0 [ 61.609194][ T1156] ? ext4_ext_release+0x10/0x10 [ 61.614076][ T1156] ? down_write_killable+0x170/0x170 [ 61.619371][ T1156] ? ext4_es_lookup_extent+0x41d/0xd10 [ 61.624835][ T1156] ext4_map_blocks+0x4cb/0x1640 [ 61.624875][ T1156] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.634985][ T1156] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.640566][ T1156] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.646543][ T1156] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 61.652143][ T1156] ext4_writepages+0x1a7b/0x33c0 [ 61.657063][ T1156] ? lock_release+0x710/0x800 [ 61.661727][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 61.667357][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 61.672968][ T1156] ? do_writepages+0xfa/0x2a0 [ 61.677620][ T1156] do_writepages+0xfa/0x2a0 [ 61.682138][ T1156] ? page_writeback_cpu_online+0x10/0x10 [ 61.687746][ T1156] ? do_raw_spin_lock+0x120/0x2d0 [ 61.692765][ T1156] ? do_raw_spin_unlock+0x171/0x260 [ 61.697959][ T1156] ? _raw_spin_unlock+0x24/0x40 [ 61.702789][ T1156] __filemap_fdatawrite_range+0x2aa/0x390 [ 61.708483][ T1156] ? collapse_file+0x35a2/0x4330 [ 61.713398][ T1156] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 61.719448][ T1156] ? _raw_spin_unlock_irq+0x1f/0x80 [ 61.724637][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.730621][ T1156] collapse_file+0x35ac/0x4330 [ 61.735391][ T1156] ? collapse_huge_page+0x4350/0x4350 [ 61.740809][ T1156] ? khugepaged+0x2506/0x3fc0 [ 61.745477][ T1156] ? xas_find+0x31a/0x880 [ 61.749790][ T1156] ? check_preemption_disabled+0x38/0x220 [ 61.755493][ T1156] khugepaged+0x3041/0x3fc0 [ 61.760050][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.765661][ T1156] ? lock_downgrade+0x840/0x840 [ 61.770489][ T1156] ? finish_wait+0x260/0x260 [ 61.775055][ T1156] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 61.780860][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 61.786818][ T1156] ? __kthread_parkme+0x13f/0x1e0 [ 61.791819][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 61.797428][ T1156] kthread+0x3b5/0x4a0 [ 61.801475][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.807185][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 61.812883][ T1156] ret_from_fork+0x1f/0x30 [ 61.869495][ T1156] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1156 [ 61.878759][ T1156] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.884655][ T1156] CPU: 0 PID: 1156 Comm: khugepaged Not tainted 5.7.0-next-20200605-syzkaller #0 [ 61.893861][ T1156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.903902][ T1156] Call Trace: [ 61.907177][ T1156] dump_stack+0x18f/0x20d [ 61.911492][ T1156] check_preemption_disabled+0x20d/0x220 [ 61.917113][ T1156] ext4_mb_new_blocks+0xa4d/0x3b70 [ 61.922212][ T1156] ? ext4_ext_search_right+0x2ca/0xb20 [ 61.927648][ T1156] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 61.933780][ T1156] ext4_ext_map_blocks+0x201b/0x33e0 [ 61.939050][ T1156] ? ext4_ext_release+0x10/0x10 [ 61.943887][ T1156] ? down_write_killable+0x170/0x170 [ 61.949149][ T1156] ? ext4_es_lookup_extent+0x41d/0xd10 [ 61.954587][ T1156] ext4_map_blocks+0x4cb/0x1640 [ 61.959418][ T1156] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 61.964596][ T1156] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.970119][ T1156] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 61.976075][ T1156] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 61.981510][ T1156] ext4_writepages+0x1a7b/0x33c0 [ 61.986505][ T1156] ? lock_release+0x710/0x800 [ 61.991251][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 61.996892][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 62.002534][ T1156] ? do_writepages+0xfa/0x2a0 [ 62.007194][ T1156] do_writepages+0xfa/0x2a0 [ 62.011695][ T1156] ? page_writeback_cpu_online+0x10/0x10 [ 62.017306][ T1156] ? do_raw_spin_lock+0x120/0x2d0 [ 62.022314][ T1156] ? do_raw_spin_unlock+0x171/0x260 [ 62.027505][ T1156] ? _raw_spin_unlock+0x24/0x40 [ 62.032335][ T1156] __filemap_fdatawrite_range+0x2aa/0x390 [ 62.038049][ T1156] ? collapse_file+0x35a2/0x4330 [ 62.042964][ T1156] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 62.049027][ T1156] ? _raw_spin_unlock_irq+0x1f/0x80 [ 62.054202][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.060165][ T1156] collapse_file+0x35ac/0x4330 [ 62.064917][ T1156] ? collapse_huge_page+0x4350/0x4350 [ 62.070265][ T1156] ? khugepaged+0x2506/0x3fc0 [ 62.074939][ T1156] ? xas_find+0x31a/0x880 [ 62.079248][ T1156] ? check_preemption_disabled+0x38/0x220 [ 62.085119][ T1156] khugepaged+0x3041/0x3fc0 [ 62.089614][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.095224][ T1156] ? lock_downgrade+0x840/0x840 [ 62.100052][ T1156] ? finish_wait+0x260/0x260 [ 62.104620][ T1156] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 62.110576][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.116569][ T1156] ? __kthread_parkme+0x13f/0x1e0 [ 62.121580][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.127222][ T1156] kthread+0x3b5/0x4a0 [ 62.131269][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.136966][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.142675][ T1156] ret_from_fork+0x1f/0x30 [ 62.180983][ T1156] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1156 [ 62.190296][ T1156] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.196341][ T1156] CPU: 0 PID: 1156 Comm: khugepaged Not tainted 5.7.0-next-20200605-syzkaller #0 [ 62.205431][ T1156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.215469][ T1156] Call Trace: [ 62.218748][ T1156] dump_stack+0x18f/0x20d [ 62.223064][ T1156] check_preemption_disabled+0x20d/0x220 [ 62.228683][ T1156] ext4_mb_new_blocks+0xa4d/0x3b70 [ 62.233902][ T1156] ? ext4_ext_search_right+0x2ca/0xb20 [ 62.239348][ T1156] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 62.245479][ T1156] ext4_ext_map_blocks+0x201b/0x33e0 [ 62.250749][ T1156] ? ext4_ext_release+0x10/0x10 [ 62.255592][ T1156] ? down_write_killable+0x170/0x170 [ 62.260856][ T1156] ? ext4_es_lookup_extent+0x41d/0xd10 [ 62.266294][ T1156] ext4_map_blocks+0x4cb/0x1640 [ 62.271126][ T1156] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 62.276303][ T1156] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.281831][ T1156] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 62.287794][ T1156] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 62.293235][ T1156] ext4_writepages+0x1a7b/0x33c0 [ 62.298157][ T1156] ? lock_release+0x710/0x800 [ 62.302819][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 62.308460][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 62.314085][ T1156] ? do_writepages+0xfa/0x2a0 [ 62.318767][ T1156] do_writepages+0xfa/0x2a0 [ 62.323254][ T1156] ? page_writeback_cpu_online+0x10/0x10 [ 62.329328][ T1156] ? do_raw_spin_lock+0x120/0x2d0 [ 62.334333][ T1156] ? do_raw_spin_unlock+0x171/0x260 [ 62.339526][ T1156] ? _raw_spin_unlock+0x24/0x40 [ 62.344374][ T1156] __filemap_fdatawrite_range+0x2aa/0x390 [ 62.350072][ T1156] ? collapse_file+0x35a2/0x4330 [ 62.354986][ T1156] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 62.361145][ T1156] ? _raw_spin_unlock_irq+0x1f/0x80 [ 62.366329][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.372307][ T1156] collapse_file+0x35ac/0x4330 [ 62.377085][ T1156] ? collapse_huge_page+0x4350/0x4350 [ 62.382439][ T1156] ? khugepaged+0x2506/0x3fc0 [ 62.387097][ T1156] ? xas_find+0x31a/0x880 [ 62.391409][ T1156] ? check_preemption_disabled+0x38/0x220 [ 62.397132][ T1156] khugepaged+0x3041/0x3fc0 [ 62.401631][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.407241][ T1156] ? lock_downgrade+0x840/0x840 [ 62.412074][ T1156] ? finish_wait+0x260/0x260 [ 62.416659][ T1156] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 62.422522][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 62.428494][ T1156] ? __kthread_parkme+0x13f/0x1e0 [ 62.433502][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 62.439223][ T1156] kthread+0x3b5/0x4a0 [ 62.443396][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.449104][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 62.454871][ T1156] ret_from_fork+0x1f/0x30