Starting Load/Save RF Kill Switch Status... [ 53.548794][ T6728] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6728 [ 53.558274][ T6728] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 53.564145][ T6728] CPU: 1 PID: 6728 Comm: systemd-rfkill Not tainted 5.7.0-next-20200602-syzkaller #0 [ 53.573580][ T6728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.583626][ T6728] Call Trace: [ 53.586910][ T6728] dump_stack+0x18f/0x20d [ 53.591221][ T6728] check_preemption_disabled+0x20d/0x220 [ 53.596829][ T6728] ext4_mb_new_blocks+0xa4d/0x3b70 [ 53.601942][ T6728] ? ext4_ext_search_right+0x2ca/0xb20 [ 53.607411][ T6728] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 53.613120][ T6728] ext4_ext_map_blocks+0x201b/0x33e0 [ 53.618392][ T6728] ? ext4_ext_release+0x10/0x10 [ 53.623232][ T6728] ? down_write_killable+0x170/0x170 [ 53.628496][ T6728] ? ext4_es_lookup_extent+0x41d/0xd10 [ 53.633946][ T6728] ext4_map_blocks+0x4cb/0x1640 [ 53.638778][ T6728] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 53.643953][ T6728] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 53.649480][ T6728] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 53.655532][ T6728] ? prandom_u32_state+0xe/0x170 [ 53.660449][ T6728] ? __brelse+0x84/0xa0 [ 53.664582][ T6728] ? __ext4_new_inode+0x144/0x55e0 [ 53.669679][ T6728] ext4_getblk+0xad/0x520 [ 53.673987][ T6728] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 53.679684][ T6728] ? ext4_free_inode+0x1700/0x1700 [ 53.684778][ T6728] ext4_bread+0x7c/0x380 [ 53.689003][ T6728] ? ext4_getblk+0x520/0x520 [ 53.693571][ T6728] ? dquot_get_next_dqblk+0x180/0x180 [ 53.698932][ T6728] ext4_append+0x153/0x360 [ 53.703326][ T6728] ext4_mkdir+0x5e0/0xdf0 [ 53.707637][ T6728] ? ext4_rmdir+0xde0/0xde0 [ 53.712117][ T6728] ? security_inode_permission+0xc4/0xf0 [ 53.717728][ T6728] vfs_mkdir+0x419/0x690 [ 53.721961][ T6728] do_mkdirat+0x21e/0x280 [ 53.726283][ T6728] ? __ia32_sys_mknod+0xb0/0xb0 [ 53.731115][ T6728] ? do_syscall_64+0x1c/0xe0 [ 53.735680][ T6728] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 53.741644][ T6728] do_syscall_64+0x60/0xe0 [ 53.746045][ T6728] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.751919][ T6728] RIP: 0033:0x7f9ffaa79687 [ 53.756311][ T6728] Code: Bad RIP value. [ 53.765211][ T6728] RSP: 002b:00007ffeb3197c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 53.773611][ T6728] RAX: ffffffffffffffda RBX: 000055c2e6155985 RCX: 00007f9ffaa79687 [ 53.781567][ T6728] RDX: 00007ffeb3197b00 RSI: 00000000000001ed RDI: 000055c2e6155985 [ 53.789529][ T6728] RBP: 00007f9ffaa79680 R08: 0000000000000100 R09: 0000000000000000 [ 53.797474][ T6728] R10: 000055c2e6155980 R11: 0000000000000246 R12: 00000000000001ed [ 53.805422][ T6728] R13: 00007ffeb3197dc0 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 57.117573][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 57.126613][ T7] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.132868][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-next-20200602-syzkaller #0 [ 57.141907][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.151954][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 57.158162][ T7] Call Trace: [ 57.161442][ T7] dump_stack+0x18f/0x20d [ 57.165753][ T7] check_preemption_disabled+0x20d/0x220 [ 57.171364][ T7] ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.176456][ T7] ? ext4_find_extent+0x81a/0xad0 [ 57.181480][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.186915][ T7] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.192615][ T7] ext4_ext_map_blocks+0x201b/0x33e0 [ 57.197895][ T7] ? ext4_ext_release+0x10/0x10 [ 57.202733][ T7] ? down_write_killable+0x170/0x170 [ 57.208007][ T7] ? ext4_es_lookup_extent+0x41d/0xd10 [ 57.213455][ T7] ext4_map_blocks+0x4cb/0x1640 [ 57.218294][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.223480][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.229013][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.234978][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.240415][ T7] ext4_writepages+0x1ab5/0x3400 [ 57.245338][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.250983][ T7] ? __lock_acquire+0x2224/0x48b0 [ 57.256041][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.262024][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.268013][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.273981][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.279601][ T7] ? do_writepages+0xfa/0x2a0 [ 57.284264][ T7] do_writepages+0xfa/0x2a0 [ 57.288780][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 57.294409][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.299939][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.305907][ T7] ? lock_downgrade+0x840/0x840 [ 57.310756][ T7] __writeback_single_inode+0x12a/0x13d0 [ 57.316366][ T7] ? _raw_spin_unlock+0x24/0x40 [ 57.321204][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 57.327160][ T7] writeback_sb_inodes+0x515/0xdc0 [ 57.332253][ T7] ? __writeback_single_inode+0x13d0/0x13d0 [ 57.338135][ T7] __writeback_inodes_wb+0xc3/0x250 [ 57.343320][ T7] wb_writeback+0x8db/0xd50 [ 57.347821][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 57.354144][ T7] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 57.360023][ T7] ? cpumask_next+0x3c/0x40 [ 57.364512][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 57.369706][ T7] wb_workfn+0xab3/0x1090 [ 57.374018][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 57.379552][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.385075][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.391383][ T7] process_one_work+0x965/0x1690 [ 57.396305][ T7] ? lock_release+0x800/0x800 [ 57.400959][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 57.406313][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 57.411230][ T7] worker_thread+0x96/0xe10 [ 57.415844][ T7] ? process_one_work+0x1690/0x1690 [ 57.421030][ T7] kthread+0x3b5/0x4a0 [ 57.425091][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.430793][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.436497][ T7] ret_from_fork+0x1f/0x30 [ 57.442284][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 57.451343][ T7] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.457246][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-next-20200602-syzkaller #0 [ 57.466264][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.476310][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 57.482266][ T7] Call Trace: [ 57.485558][ T7] dump_stack+0x18f/0x20d [ 57.489892][ T7] check_preemption_disabled+0x20d/0x220 [ 57.495505][ T7] ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.500591][ T7] ? ext4_find_extent+0x81a/0xad0 [ 57.505595][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.511031][ T7] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.516745][ T7] ext4_ext_map_blocks+0x201b/0x33e0 [ 57.522034][ T7] ? ext4_ext_release+0x10/0x10 [ 57.526870][ T7] ? down_write_killable+0x170/0x170 [ 57.532136][ T7] ? ext4_es_lookup_extent+0x41d/0xd10 [ 57.537592][ T7] ext4_map_blocks+0x4cb/0x1640 [ 57.542426][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.547605][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.553127][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.559083][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.564530][ T7] ext4_writepages+0x1ab5/0x3400 [ 57.569474][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.575112][ T7] ? __lock_acquire+0x2224/0x48b0 [ 57.580148][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.586112][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.592074][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.597873][ T7] ? do_writepages+0xfa/0x2a0 [ 57.602526][ T7] do_writepages+0xfa/0x2a0 [ 57.607184][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 57.612807][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.618329][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.624286][ T7] ? lock_downgrade+0x840/0x840 [ 57.629128][ T7] __writeback_single_inode+0x12a/0x13d0 [ 57.634735][ T7] ? _raw_spin_unlock+0x24/0x40 [ 57.639561][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 57.645515][ T7] writeback_sb_inodes+0x515/0xdc0 [ 57.650621][ T7] ? __writeback_single_inode+0x13d0/0x13d0 [ 57.656499][ T7] __writeback_inodes_wb+0xc3/0x250 [ 57.661681][ T7] wb_writeback+0x8db/0xd50 [ 57.666166][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 57.672480][ T7] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 57.678363][ T7] ? cpumask_next+0x3c/0x40 [ 57.682855][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 57.688041][ T7] wb_workfn+0xab3/0x1090 [ 57.692360][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 57.697886][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.703416][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.709373][ T7] process_one_work+0x965/0x1690 [ 57.714560][ T7] ? lock_release+0x800/0x800 [ 57.719221][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 57.724569][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 57.729487][ T7] worker_thread+0x96/0xe10 [ 57.733979][ T7] ? process_one_work+0x1690/0x1690 [ 57.739162][ T7] kthread+0x3b5/0x4a0 [ 57.743207][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.748908][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 57.754633][ T7] ret_from_fork+0x1f/0x30 [ 57.760359][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 57.769385][ T7] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.775285][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-next-20200602-syzkaller #0 [ 57.784313][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.794369][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 57.800324][ T7] Call Trace: [ 57.803607][ T7] dump_stack+0x18f/0x20d [ 57.807919][ T7] check_preemption_disabled+0x20d/0x220 [ 57.813539][ T7] ext4_mb_new_blocks+0xa4d/0x3b70 [ 57.818631][ T7] ? ext4_find_extent+0x81a/0xad0 [ 57.823652][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 57.829088][ T7] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 57.834805][ T7] ext4_ext_map_blocks+0x201b/0x33e0 [ 57.840082][ T7] ? ext4_ext_release+0x10/0x10 [ 57.844917][ T7] ? down_write_killable+0x170/0x170 [ 57.850178][ T7] ? ext4_es_lookup_extent+0x41d/0xd10 [ 57.855616][ T7] ext4_map_blocks+0x4cb/0x1640 [ 57.860446][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 57.865621][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.871143][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.877185][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 57.882622][ T7] ext4_writepages+0x1ab5/0x3400 [ 57.887548][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.893154][ T7] ? __lock_acquire+0x2224/0x48b0 [ 57.898182][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.904139][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 57.910096][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 57.915703][ T7] ? do_writepages+0xfa/0x2a0 [ 57.920355][ T7] do_writepages+0xfa/0x2a0 [ 57.924844][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 57.930557][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.936078][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 57.942091][ T7] ? lock_downgrade+0x840/0x840 [ 57.946920][ T7] __writeback_single_inode+0x12a/0x13d0 [ 57.952530][ T7] ? _raw_spin_unlock+0x24/0x40 [ 57.957355][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 57.963311][ T7] writeback_sb_inodes+0x515/0xdc0 [ 57.968421][ T7] ? __writeback_single_inode+0x13d0/0x13d0 [ 57.974301][ T7] __writeback_inodes_wb+0xc3/0x250 [ 57.979479][ T7] wb_writeback+0x8db/0xd50 [ 57.983965][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 57.990282][ T7] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 57.996160][ T7] ? cpumask_next+0x3c/0x40 [ 58.000660][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 58.005836][ T7] wb_workfn+0xab3/0x1090 [ 58.010160][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 58.015689][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.021211][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.027169][ T7] process_one_work+0x965/0x1690 [ 58.032088][ T7] ? lock_release+0x800/0x800 [ 58.036750][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 58.042098][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 58.047021][ T7] worker_thread+0x96/0xe10 [ 58.051520][ T7] ? process_one_work+0x1690/0x1690 [ 58.056706][ T7] kthread+0x3b5/0x4a0 [ 58.060753][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.066444][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.072140][ T7] ret_from_fork+0x1f/0x30 [ 58.078596][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 58.087804][ T7] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.093971][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-next-20200602-syzkaller #0 [ 58.102989][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.113063][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 58.119046][ T7] Call Trace: [ 58.122345][ T7] dump_stack+0x18f/0x20d [ 58.126686][ T7] check_preemption_disabled+0x20d/0x220 [ 58.132325][ T7] ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.137441][ T7] ? ext4_find_extent+0x81a/0xad0 [ 58.142477][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.148033][ T7] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.153785][ T7] ext4_ext_map_blocks+0x201b/0x33e0 [ 58.159090][ T7] ? ext4_ext_release+0x10/0x10 [ 58.163965][ T7] ? down_write_killable+0x170/0x170 [ 58.169265][ T7] ? ext4_es_lookup_extent+0x41d/0xd10 [ 58.174742][ T7] ext4_map_blocks+0x4cb/0x1640 [ 58.179600][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.184795][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.190332][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.196293][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 58.201750][ T7] ext4_writepages+0x1ab5/0x3400 [ 58.206702][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 58.212401][ T7] ? __lock_acquire+0x2224/0x48b0 [ 58.217417][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 58.223466][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 58.229428][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 58.235038][ T7] ? do_writepages+0xfa/0x2a0 [ 58.239695][ T7] do_writepages+0xfa/0x2a0 [ 58.244196][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 58.249818][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.255865][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.261841][ T7] ? lock_downgrade+0x840/0x840 [ 58.266691][ T7] __writeback_single_inode+0x12a/0x13d0 [ 58.272316][ T7] ? _raw_spin_unlock+0x24/0x40 [ 58.277153][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 58.283380][ T7] writeback_sb_inodes+0x515/0xdc0 [ 58.288502][ T7] ? __writeback_single_inode+0x13d0/0x13d0 [ 58.294398][ T7] __writeback_inodes_wb+0xc3/0x250 [ 58.299587][ T7] wb_writeback+0x8db/0xd50 [ 58.304081][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 58.310409][ T7] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 58.316386][ T7] ? cpumask_next+0x3c/0x40 [ 58.320871][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 58.326055][ T7] wb_workfn+0xab3/0x1090 [ 58.330381][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 58.335927][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.341473][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.347442][ T7] process_one_work+0x965/0x1690 [ 58.352368][ T7] ? lock_release+0x800/0x800 [ 58.357035][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 58.362391][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 58.367330][ T7] worker_thread+0x96/0xe10 [ 58.371823][ T7] ? process_one_work+0x1690/0x1690 [ 58.377003][ T7] kthread+0x3b5/0x4a0 [ 58.381054][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.386752][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.392457][ T7] ret_from_fork+0x1f/0x30 [ 58.398551][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 58.407505][ T7] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.413521][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-next-20200602-syzkaller #0 [ 58.422521][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.432566][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 58.438524][ T7] Call Trace: [ 58.441814][ T7] dump_stack+0x18f/0x20d [ 58.446143][ T7] check_preemption_disabled+0x20d/0x220 [ 58.451774][ T7] ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.456880][ T7] ? ext4_find_extent+0x81a/0xad0 [ 58.461894][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.467339][ T7] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.473140][ T7] ext4_ext_map_blocks+0x201b/0x33e0 [ 58.478411][ T7] ? ext4_ext_release+0x10/0x10 [ 58.483257][ T7] ? down_write_killable+0x170/0x170 [ 58.488521][ T7] ? ext4_es_lookup_extent+0x41d/0xd10 [ 58.493965][ T7] ext4_map_blocks+0x4cb/0x1640 [ 58.498804][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.504511][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.510053][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.516140][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 58.521593][ T7] ext4_writepages+0x1ab5/0x3400 [ 58.526531][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 58.532229][ T7] ? __lock_acquire+0x2224/0x48b0 [ 58.537256][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 58.543913][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 58.549884][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 58.555505][ T7] ? do_writepages+0xfa/0x2a0 [ 58.560162][ T7] do_writepages+0xfa/0x2a0 [ 58.564738][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 58.570366][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.575897][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.581857][ T7] ? lock_downgrade+0x840/0x840 [ 58.586695][ T7] __writeback_single_inode+0x12a/0x13d0 [ 58.592321][ T7] ? _raw_spin_unlock+0x24/0x40 [ 58.597163][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 58.603128][ T7] writeback_sb_inodes+0x515/0xdc0 [ 58.608230][ T7] ? __writeback_single_inode+0x13d0/0x13d0 [ 58.617939][ T7] __writeback_inodes_wb+0xc3/0x250 [ 58.623124][ T7] wb_writeback+0x8db/0xd50 [ 58.627622][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 58.634020][ T7] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 58.639902][ T7] ? cpumask_next+0x3c/0x40 [ 58.644384][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 58.649567][ T7] wb_workfn+0xab3/0x1090 [ 58.653897][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 58.659427][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.664962][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.670932][ T7] process_one_work+0x965/0x1690 [ 58.675875][ T7] ? lock_release+0x800/0x800 [ 58.680531][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 58.685906][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 58.690844][ T7] worker_thread+0x96/0xe10 [ 58.695337][ T7] ? process_one_work+0x1690/0x1690 [ 58.700515][ T7] kthread+0x3b5/0x4a0 [ 58.704564][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.710260][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.715961][ T7] ret_from_fork+0x1f/0x30 [ 58.727373][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 58.736458][ T7] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.742470][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-next-20200602-syzkaller #0 [ 58.751501][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.761725][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 58.767685][ T7] Call Trace: [ 58.770956][ T7] dump_stack+0x18f/0x20d [ 58.775317][ T7] check_preemption_disabled+0x20d/0x220 [ 58.780929][ T7] ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.786017][ T7] ? ext4_find_extent+0x81a/0xad0 [ 58.791025][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.796496][ T7] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.802209][ T7] ext4_ext_map_blocks+0x201b/0x33e0 [ 58.807485][ T7] ? ext4_ext_release+0x10/0x10 [ 58.812324][ T7] ? down_write_killable+0x170/0x170 [ 58.817583][ T7] ? ext4_es_lookup_extent+0x41d/0xd10 [ 58.823029][ T7] ext4_map_blocks+0x4cb/0x1640 [ 58.828067][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.833253][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.839038][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.845001][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 58.850440][ T7] ext4_writepages+0x1ab5/0x3400 [ 58.855363][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 58.860984][ T7] ? __lock_acquire+0x2224/0x48b0 [ 58.865992][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 58.871961][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 58.877919][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 58.883627][ T7] ? do_writepages+0xfa/0x2a0 [ 58.888279][ T7] do_writepages+0xfa/0x2a0 [ 58.892761][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 58.898374][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.903907][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.909860][ T7] ? lock_downgrade+0x840/0x840 [ 58.914692][ T7] __writeback_single_inode+0x12a/0x13d0 [ 58.920300][ T7] ? _raw_spin_unlock+0x24/0x40 [ 58.925140][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 58.931185][ T7] writeback_sb_inodes+0x515/0xdc0 [ 58.936288][ T7] ? __writeback_single_inode+0x13d0/0x13d0 [ 58.942186][ T7] __writeback_inodes_wb+0xc3/0x250 [ 58.947363][ T7] wb_writeback+0x8db/0xd50 [ 58.951871][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 58.958178][ T7] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 58.964062][ T7] ? cpumask_next+0x3c/0x40 [ 58.968559][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 58.973736][ T7] wb_workfn+0xab3/0x1090 [ 58.978059][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 58.983590][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.989111][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.995081][ T7] process_one_work+0x965/0x1690 [ 59.000000][ T7] ? lock_release+0x800/0x800 [ 59.004677][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 59.010067][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 59.014994][ T7] worker_thread+0x96/0xe10 [ 59.019495][ T7] ? process_one_work+0x1690/0x1690 [ 59.024676][ T7] kthread+0x3b5/0x4a0 Warning: Permanently added '10.128.0.245' (ECDSA) to the list of known hosts. [ 59.028721][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.034430][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.040136][ T7] ret_from_fork+0x1f/0x30 [ 59.132971][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 59.143431][ T7] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.149469][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-next-20200602-syzkaller #0 [ 59.158492][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.168556][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 59.174533][ T7] Call Trace: [ 59.177832][ T7] dump_stack+0x18f/0x20d [ 59.182174][ T7] check_preemption_disabled+0x20d/0x220 [ 59.187900][ T7] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.193200][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.198667][ T7] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 59.204828][ T7] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.210129][ T7] ? ext4_ext_release+0x10/0x10 [ 59.215008][ T7] ? down_write_killable+0x170/0x170 [ 59.220303][ T7] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.225779][ T7] ext4_map_blocks+0x4cb/0x1640 [ 59.230632][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.235920][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.241447][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.247405][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 59.252999][ T7] ext4_writepages+0x1ab5/0x3400 [ 59.257987][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 59.264299][ T7] ? __lock_acquire+0x2224/0x48b0 [ 59.269337][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 59.275330][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 59.281186][ T7] ? do_writepages+0xfa/0x2a0 [ 59.285871][ T7] do_writepages+0xfa/0x2a0 [ 59.290398][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 59.296053][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.302230][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.308224][ T7] ? lock_downgrade+0x840/0x840 [ 59.313087][ T7] __writeback_single_inode+0x12a/0x13d0 [ 59.318812][ T7] ? _raw_spin_unlock+0x24/0x40 [ 59.323929][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 59.330034][ T7] writeback_sb_inodes+0x515/0xdc0 [ 59.335162][ T7] ? __writeback_single_inode+0x13d0/0x13d0 [ 59.341081][ T7] __writeback_inodes_wb+0xc3/0x250 [ 59.347295][ T7] wb_writeback+0x8db/0xd50 [ 59.352156][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 59.358671][ T7] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 59.365179][ T7] ? cpumask_next+0x3c/0x40 [ 59.369775][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 59.375176][ T7] wb_workfn+0xab3/0x1090 [ 59.380168][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 59.386426][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.392149][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.398764][ T7] process_one_work+0x965/0x1690 [ 59.404596][ T7] ? lock_release+0x800/0x800 [ 59.413206][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 59.418594][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 59.423640][ T7] worker_thread+0x96/0xe10 [ 59.430003][ T7] ? process_one_work+0x1690/0x1690 [ 59.435382][ T7] kthread+0x3b5/0x4a0 [ 59.439732][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.446407][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.452124][ T7] ret_from_fork+0x1f/0x30 [ 59.483453][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 59.493566][ T7] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.500209][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-next-20200602-syzkaller #0 [ 59.510823][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.522107][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 59.529453][ T7] Call Trace: [ 59.534036][ T7] dump_stack+0x18f/0x20d [ 59.538440][ T7] check_preemption_disabled+0x20d/0x220 [ 59.545716][ T7] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.550953][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.556623][ T7] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 59.563277][ T7] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.569605][ T7] ? ext4_ext_release+0x10/0x10 [ 59.574447][ T7] ? down_write_killable+0x170/0x170 [ 59.579898][ T7] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.585532][ T7] ext4_map_blocks+0x4cb/0x1640 [ 59.591260][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.596999][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.603219][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.610219][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 59.616028][ T7] ext4_writepages+0x1ab5/0x3400 [ 59.621148][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 59.626759][ T7] ? __lock_acquire+0x2224/0x48b0 [ 59.632048][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 59.638658][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 59.644832][ T7] ? do_writepages+0xfa/0x2a0 [ 59.649873][ T7] do_writepages+0xfa/0x2a0 [ 59.654747][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 59.660638][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.666356][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.673380][ T7] ? lock_downgrade+0x840/0x840 [ 59.680596][ T7] __writeback_single_inode+0x12a/0x13d0 [ 59.687262][ T7] ? _raw_spin_unlock+0x24/0x40 [ 59.692798][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 59.699250][ T7] writeback_sb_inodes+0x515/0xdc0 [ 59.704365][ T7] ? __writeback_single_inode+0x13d0/0x13d0 [ 59.710452][ T7] __writeback_inodes_wb+0xc3/0x250 [ 59.715916][ T7] wb_writeback+0x8db/0xd50 [ 59.721203][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 59.727535][ T7] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 59.733599][ T7] ? cpumask_next+0x3c/0x40 [ 59.739479][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 59.744857][ T7] wb_workfn+0xab3/0x1090 [ 59.749171][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 59.754718][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.760260][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.766657][ T7] process_one_work+0x965/0x1690 [ 59.771602][ T7] ? lock_release+0x800/0x800 [ 59.776373][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 59.782357][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 59.788374][ T7] worker_thread+0x96/0xe10 [ 59.793436][ T7] ? process_one_work+0x1690/0x1690 [ 59.798729][ T7] kthread+0x3b5/0x4a0 [ 59.803242][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.810032][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 59.815757][ T7] ret_from_fork+0x1f/0x30 2020/06/02 23:58:48 fuzzer started [ 59.830010][ T7] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:0/7 [ 59.839943][ T7] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.845934][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-next-20200602-syzkaller #0 [ 59.855222][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.866199][ T7] Workqueue: writeback wb_workfn (flush-8:0) [ 59.873090][ T7] Call Trace: [ 59.876387][ T7] dump_stack+0x18f/0x20d [ 59.880909][ T7] check_preemption_disabled+0x20d/0x220 [ 59.886634][ T7] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.893433][ T7] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.899526][ T7] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 59.906128][ T7] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.912568][ T7] ? ext4_ext_release+0x10/0x10 [ 59.917535][ T7] ? down_write_killable+0x170/0x170 [ 59.923530][ T7] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.929179][ T7] ext4_map_blocks+0x4cb/0x1640 [ 59.934049][ T7] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.939286][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.944848][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.950831][ T7] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 59.956304][ T7] ext4_writepages+0x1ab5/0x3400 [ 59.961276][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 59.966922][ T7] ? __lock_acquire+0x2224/0x48b0 [ 59.971974][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 59.978053][ T7] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 59.984048][ T7] ? __ext4_mark_inode_dirty+0x940/0x940 [ 59.989685][ T7] ? do_writepages+0xfa/0x2a0 [ 59.994367][ T7] do_writepages+0xfa/0x2a0 [ 59.998884][ T7] ? page_writeback_cpu_online+0x10/0x10 [ 60.004541][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.010096][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.016105][ T7] ? lock_downgrade+0x840/0x840 [ 60.021052][ T7] __writeback_single_inode+0x12a/0x13d0 [ 60.026691][ T7] ? _raw_spin_unlock+0x24/0x40 [ 60.031545][ T7] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 60.037522][ T7] writeback_sb_inodes+0x515/0xdc0 [ 60.042632][ T7] ? __writeback_single_inode+0x13d0/0x13d0 [ 60.048533][ T7] __writeback_inodes_wb+0xc3/0x250 [ 60.053730][ T7] wb_writeback+0x8db/0xd50 [ 60.058309][ T7] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 60.064632][ T7] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 60.070548][ T7] ? cpumask_next+0x3c/0x40 [ 60.075041][ T7] ? get_nr_dirty_inodes+0xd6/0x130 [ 60.080225][ T7] wb_workfn+0xab3/0x1090 [ 60.084540][ T7] ? inode_wait_for_writeback+0x30/0x30 [ 60.090081][ T7] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.095616][ T7] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.101582][ T7] process_one_work+0x965/0x1690 [ 60.106509][ T7] ? lock_release+0x800/0x800 [ 60.111169][ T7] ? pwq_dec_nr_in_flight+0x310/0x310 [ 60.116525][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 60.121455][ T7] worker_thread+0x96/0xe10 [ 60.125946][ T7] ? process_one_work+0x1690/0x1690 [ 60.131234][ T7] kthread+0x3b5/0x4a0 [ 60.135291][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.141006][ T7] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.146718][ T7] ret_from_fork+0x1f/0x30 2020/06/02 23:58:48 connecting to host at 10.128.0.26:36581 2020/06/02 23:58:48 checking machine... 2020/06/02 23:58:48 checking revisions... 2020/06/02 23:58:48 testing simple program... [ 60.484610][ T6796] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6796 [ 60.493846][ T6796] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.499834][ T6796] CPU: 1 PID: 6796 Comm: syz-fuzzer Not tainted 5.7.0-next-20200602-syzkaller #0 [ 60.508944][ T6796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.518997][ T6796] Call Trace: [ 60.522281][ T6796] dump_stack+0x18f/0x20d [ 60.526605][ T6796] check_preemption_disabled+0x20d/0x220 [ 60.532220][ T6796] ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.537330][ T6796] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.542768][ T6796] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 60.548478][ T6796] ext4_ext_map_blocks+0x201b/0x33e0 [ 60.553794][ T6796] ? ext4_ext_release+0x10/0x10 [ 60.558639][ T6796] ? down_write_killable+0x170/0x170 [ 60.563913][ T6796] ? ext4_es_lookup_extent+0x41d/0xd10 [ 60.569360][ T6796] ext4_map_blocks+0x4cb/0x1640 [ 60.574199][ T6796] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.579377][ T6796] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.584915][ T6796] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.590879][ T6796] ? prandom_u32_state+0xe/0x170 [ 60.595810][ T6796] ? __brelse+0x84/0xa0 [ 60.599967][ T6796] ? __ext4_new_inode+0x144/0x55e0 [ 60.605339][ T6796] ext4_getblk+0xad/0x520 [ 60.609655][ T6796] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 60.615359][ T6796] ? ext4_free_inode+0x1700/0x1700 [ 60.620455][ T6796] ext4_bread+0x7c/0x380 [ 60.624691][ T6796] ? ext4_getblk+0x520/0x520 [ 60.629281][ T6796] ? dquot_get_next_dqblk+0x180/0x180 [ 60.634637][ T6796] ext4_append+0x153/0x360 [ 60.639038][ T6796] ext4_mkdir+0x5e0/0xdf0 [ 60.643429][ T6796] ? ext4_rmdir+0xde0/0xde0 [ 60.648391][ T6796] ? security_inode_permission+0xc4/0xf0 [ 60.654512][ T6796] vfs_mkdir+0x419/0x690 [ 60.659004][ T6796] do_mkdirat+0x21e/0x280 [ 60.664014][ T6796] ? __ia32_sys_mknod+0xb0/0xb0 [ 60.669084][ T6796] ? do_syscall_64+0x1c/0xe0 [ 60.674125][ T6796] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.682330][ T6796] do_syscall_64+0x60/0xe0 [ 60.687319][ T6796] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.693992][ T6796] RIP: 0033:0x4b02a0 [ 60.698403][ T6796] Code: Bad RIP value. [ 60.703378][ T6796] RSP: 002b:000000c0000e74b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 60.712310][ T6796] RAX: ffffffffffffffda RBX: 000000c00002c000 RCX: 00000000004b02a0 [ 60.723882][ T6796] RDX: 00000000000001c0 RSI: 000000c0000a8be0 RDI: ffffffffffffff9c [ 60.733282][ T6796] RBP: 000000c0000e7510 R08: 0000000000000000 R09: 0000000000000000 [ 60.741605][ T6796] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 60.750366][ T6796] R13: 0000000000000060 R14: 000000000000005f R15: 0000000000000100 [ 60.847003][ T6811] IPVS: ftp: loaded support on port[0] = 21 2020/06/02 23:58:49 building call list... [ 61.227600][ T21] tipc: TX() has been purged, node left! [ 62.745040][ T6791] can: request_module (can-proto-0) failed. executing program [ 63.316154][ T6791] can: request_module (can-proto-0) failed. [ 63.327836][ T6791] can: request_module (can-proto-0) failed.