[ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ 50.095230][ T6723] bash (6723) used greatest stack depth: 20784 bytes left [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ 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... [ 53.228457][ T6743] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6743 [ 53.237972][ T6743] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 53.244202][ T6743] CPU: 0 PID: 6743 Comm: systemd-rfkill Not tainted 5.7.0-next-20200605-syzkaller #0 [ 53.253629][ T6743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.263669][ T6743] Call Trace: [ 53.266967][ T6743] dump_stack+0x18f/0x20d [ 53.271288][ T6743] check_preemption_disabled+0x20d/0x220 [ 53.276902][ T6743] ext4_mb_new_blocks+0xa4d/0x3b70 [ 53.282026][ T6743] ? ext4_ext_search_right+0x2ca/0xb20 [ 53.287464][ T6743] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 53.293188][ T6743] ext4_ext_map_blocks+0x201b/0x33e0 [ 53.298458][ T6743] ? ext4_ext_release+0x10/0x10 [ 53.303298][ T6743] ? down_write_killable+0x170/0x170 [ 53.308565][ T6743] ? ext4_es_lookup_extent+0x41d/0xd10 [ 53.314005][ T6743] ext4_map_blocks+0x4cb/0x1640 [ 53.318859][ T6743] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 53.326223][ T6743] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 53.331749][ T6743] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 53.339012][ T6743] ? prandom_u32_state+0xe/0x170 [ 53.344729][ T6743] ? __brelse+0x84/0xa0 [ 53.348934][ T6743] ? __ext4_new_inode+0x144/0x55e0 [ 53.354453][ T6743] ext4_getblk+0xad/0x520 [ 53.358906][ T6743] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 53.364622][ T6743] ? ext4_free_inode+0x1700/0x1700 [ 53.369720][ T6743] ext4_bread+0x7c/0x380 [ 53.373946][ T6743] ? ext4_getblk+0x520/0x520 [ 53.378532][ T6743] ? dquot_get_next_dqblk+0x180/0x180 [ 53.383897][ T6743] ext4_append+0x153/0x360 [ 53.388297][ T6743] ext4_mkdir+0x5e0/0xdf0 [ 53.392627][ T6743] ? ext4_rmdir+0xde0/0xde0 [ 53.397118][ T6743] ? security_inode_permission+0xc4/0xf0 [ 53.402731][ T6743] vfs_mkdir+0x419/0x690 [ 53.406965][ T6743] do_mkdirat+0x21e/0x280 [ 53.411284][ T6743] ? __ia32_sys_mknod+0xb0/0xb0 [ 53.416128][ T6743] ? do_syscall_64+0x1c/0xe0 [ 53.420710][ T6743] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 53.426683][ T6743] do_syscall_64+0x60/0xe0 [ 53.431081][ T6743] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.436949][ T6743] RIP: 0033:0x7fc36ea7a687 [ 53.441342][ T6743] Code: Bad RIP value. [ 53.445398][ T6743] RSP: 002b:00007ffccb47e548 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 53.453784][ T6743] RAX: ffffffffffffffda RBX: 000055c3579c8985 RCX: 00007fc36ea7a687 [ 53.461733][ T6743] RDX: 00007ffccb47e410 RSI: 00000000000001ed RDI: 000055c3579c8985 [ 53.469682][ T6743] RBP: 00007fc36ea7a680 R08: 0000000000000100 R09: 0000000000000000 [ 53.477636][ T6743] R10: 000055c3579c8980 R11: 0000000000000246 R12: 00000000000001ed [ 53.485585][ T6743] R13: 00007ffccb47e6d0 R14: 0000000000000000 R15: 0000000000000000 [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 56.207384][ T56] BUG: using smp_processor_id() in preemptible [00000000] code: kworker/u4:2/56 [ 56.216445][ T56] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 56.222471][ T56] CPU: 0 PID: 56 Comm: kworker/u4:2 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 56.231567][ T56] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.241634][ T56] Workqueue: writeback wb_workfn (flush-8:0) [ 56.247591][ T56] Call Trace: [ 56.250866][ T56] dump_stack+0x18f/0x20d [ 56.255203][ T56] check_preemption_disabled+0x20d/0x220 [ 56.260830][ T56] ext4_mb_new_blocks+0xa4d/0x3b70 [ 56.265931][ T56] ? ext4_find_extent+0x81a/0xad0 [ 56.270942][ T56] ? ext4_ext_search_right+0x2ca/0xb20 [ 56.276401][ T56] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 56.282115][ T56] ext4_ext_map_blocks+0x201b/0x33e0 [ 56.287389][ T56] ? ext4_ext_release+0x10/0x10 [ 56.292261][ T56] ? down_write_killable+0x170/0x170 [ 56.297546][ T56] ? ext4_es_lookup_extent+0x41d/0xd10 [ 56.303129][ T56] ext4_map_blocks+0x4cb/0x1640 [ 56.307981][ T56] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 56.313170][ T56] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.318695][ T56] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.324663][ T56] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 56.330117][ T56] ext4_writepages+0x1a7b/0x33c0 [ 56.335050][ T56] ? __ext4_mark_inode_dirty+0x940/0x940 [ 56.340667][ T56] ? __lock_acquire+0x2224/0x48b0 [ 56.345687][ T56] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.351746][ T56] ? lockdep_hardirqs_on_prepare+0x590/0x590 [ 56.357712][ T56] ? __ext4_mark_inode_dirty+0x940/0x940 [ 56.363324][ T56] ? do_writepages+0xfa/0x2a0 [ 56.367994][ T56] do_writepages+0xfa/0x2a0 [ 56.372487][ T56] ? page_writeback_cpu_online+0x10/0x10 [ 56.378108][ T56] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.383637][ T56] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.389591][ T56] ? lock_downgrade+0x840/0x840 [ 56.395375][ T56] __writeback_single_inode+0x12a/0x13d0 [ 56.401001][ T56] ? _raw_spin_unlock+0x24/0x40 [ 56.405827][ T56] ? wbc_attach_and_unlock_inode+0x60a/0x9c0 [ 56.411781][ T56] writeback_sb_inodes+0x515/0xdc0 [ 56.416875][ T56] ? __writeback_single_inode+0x13d0/0x13d0 [ 56.422755][ T56] __writeback_inodes_wb+0xc3/0x250 [ 56.427951][ T56] wb_writeback+0x8db/0xd50 [ 56.432435][ T56] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 56.438750][ T56] ? _find_next_bit.constprop.0+0x1a3/0x200 [ 56.444621][ T56] ? cpumask_next+0x3c/0x40 [ 56.449101][ T56] ? get_nr_dirty_inodes+0xd6/0x130 [ 56.454277][ T56] wb_workfn+0xab3/0x1090 [ 56.458595][ T56] ? inode_wait_for_writeback+0x30/0x30 [ 56.464120][ T56] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.469640][ T56] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 56.475607][ T56] process_one_work+0x965/0x1690 [ 56.480525][ T56] ? lock_release+0x800/0x800 [ 56.485178][ T56] ? pwq_dec_nr_in_flight+0x310/0x310 [ 56.490529][ T56] ? rwlock_bug.part.0+0x90/0x90 [ 56.495455][ T56] worker_thread+0x96/0xe10 [ 56.499945][ T56] ? process_one_work+0x1690/0x1690 [ 56.505128][ T56] kthread+0x3b5/0x4a0 [ 56.509171][ T56] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.514862][ T56] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 56.520562][ T56] ret_from_fork+0x1f/0x30 Warning: Permanently added '10.128.0.5' (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 10.128.0.26:44225 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... [ 58.650168][ T6805] BUG: using smp_processor_id() in preemptible [00000000] code: syz-fuzzer/6805 [ 58.659265][ T6805] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.666172][ T6805] CPU: 0 PID: 6805 Comm: syz-fuzzer Not tainted 5.7.0-next-20200605-syzkaller #0 [ 58.675270][ T6805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.685302][ T6805] Call Trace: [ 58.688583][ T6805] dump_stack+0x18f/0x20d [ 58.692909][ T6805] check_preemption_disabled+0x20d/0x220 [ 58.698534][ T6805] ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.703627][ T6805] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.709076][ T6805] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.714773][ T6805] ext4_ext_map_blocks+0x201b/0x33e0 [ 58.720047][ T6805] ? ext4_ext_release+0x10/0x10 [ 58.724926][ T6805] ? down_write_killable+0x170/0x170 [ 58.730198][ T6805] ? ext4_es_lookup_extent+0x41d/0xd10 [ 58.735640][ T6805] ext4_map_blocks+0x4cb/0x1640 [ 58.740485][ T6805] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 58.745675][ T6805] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.751212][ T6805] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.757183][ T6805] ? prandom_u32_state+0xe/0x170 [ 58.762106][ T6805] ? __brelse+0x84/0xa0 [ 58.766254][ T6805] ? __ext4_new_inode+0x144/0x55e0 [ 58.771359][ T6805] ext4_getblk+0xad/0x520 [ 58.775676][ T6805] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 58.781384][ T6805] ? ext4_free_inode+0x1700/0x1700 [ 58.786473][ T6805] ext4_bread+0x7c/0x380 [ 58.790691][ T6805] ? ext4_getblk+0x520/0x520 [ 58.795287][ T6805] ? dquot_get_next_dqblk+0x180/0x180 [ 58.800641][ T6805] ext4_append+0x153/0x360 [ 58.805067][ T6805] ext4_mkdir+0x5e0/0xdf0 [ 58.809447][ T6805] ? ext4_rmdir+0xde0/0xde0 [ 58.813936][ T6805] ? security_inode_permission+0xc4/0xf0 [ 58.819554][ T6805] vfs_mkdir+0x419/0x690 [ 58.823793][ T6805] do_mkdirat+0x21e/0x280 [ 58.828115][ T6805] ? __ia32_sys_mknod+0xb0/0xb0 [ 58.833100][ T6805] ? do_syscall_64+0x1c/0xe0 [ 58.837672][ T6805] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 58.845975][ T6805] do_syscall_64+0x60/0xe0 [ 58.850398][ T6805] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.856268][ T6805] RIP: 0033:0x4b02a0 [ 58.860141][ T6805] Code: Bad RIP value. [ 58.864195][ T6805] RSP: 002b:000000c0000dd4b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000102 [ 58.872592][ T6805] RAX: ffffffffffffffda RBX: 000000c00002e500 RCX: 00000000004b02a0 [ 58.880543][ T6805] RDX: 00000000000001c0 RSI: 000000c00009cce0 RDI: ffffffffffffff9c [ 58.888496][ T6805] RBP: 000000c0000dd510 R08: 0000000000000000 R09: 0000000000000000 [ 58.896446][ T6805] R10: 0000000000000000 R11: 0000000000000212 R12: ffffffffffffffff [ 58.904397][ T6805] R13: 0000000000000068 R14: 0000000000000067 R15: 0000000000000100 [ 58.921426][ T6824] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6824 [ 58.930921][ T6824] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.936875][ T6824] CPU: 0 PID: 6824 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 58.947453][ T6824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.957484][ T6824] Call Trace: [ 58.960756][ T6824] dump_stack+0x18f/0x20d [ 58.965070][ T6824] check_preemption_disabled+0x20d/0x220 [ 58.970703][ T6824] ext4_mb_new_blocks+0xa4d/0x3b70 [ 58.975801][ T6824] ? ext4_ext_search_right+0x2ca/0xb20 [ 58.981238][ T6824] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 58.986939][ T6824] ext4_ext_map_blocks+0x201b/0x33e0 [ 58.992216][ T6824] ? ext4_ext_release+0x10/0x10 [ 58.997074][ T6824] ? down_write_killable+0x170/0x170 [ 59.002342][ T6824] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.007781][ T6824] ext4_map_blocks+0x4cb/0x1640 [ 59.012609][ T6824] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.017801][ T6824] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.023320][ T6824] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.029281][ T6824] ? prandom_u32_state+0xe/0x170 [ 59.034193][ T6824] ? __brelse+0x84/0xa0 [ 59.038338][ T6824] ? __ext4_new_inode+0x144/0x55e0 [ 59.044119][ T6824] ext4_getblk+0xad/0x520 [ 59.048428][ T6824] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.054136][ T6824] ? ext4_free_inode+0x1700/0x1700 [ 59.059234][ T6824] ext4_bread+0x7c/0x380 [ 59.063452][ T6824] ? ext4_getblk+0x520/0x520 [ 59.068034][ T6824] ? dquot_get_next_dqblk+0x180/0x180 [ 59.073383][ T6824] ext4_append+0x153/0x360 [ 59.077794][ T6824] ext4_mkdir+0x5e0/0xdf0 [ 59.082108][ T6824] ? ext4_rmdir+0xde0/0xde0 [ 59.086600][ T6824] ? security_inode_permission+0xc4/0xf0 [ 59.092223][ T6824] vfs_mkdir+0x419/0x690 [ 59.096447][ T6824] do_mkdirat+0x21e/0x280 [ 59.100765][ T6824] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.105616][ T6824] ? do_syscall_64+0x1c/0xe0 [ 59.110190][ T6824] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.116149][ T6824] do_syscall_64+0x60/0xe0 [ 59.121672][ T6824] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.127541][ T6824] RIP: 0033:0x45bee7 [ 59.131406][ T6824] Code: Bad RIP value. [ 59.135446][ T6824] RSP: 002b:00007ffd14801978 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 [ 59.143832][ T6824] RAX: ffffffffffffffda RBX: 000000000003a2f8 RCX: 000000000045bee7 [ 59.151781][ T6824] RDX: 0000000000000002 RSI: 00000000000001c0 RDI: 00007ffd14801b50 [ 59.159730][ T6824] RBP: 0000000000000001 R08: 000000000000f8c0 R09: 0000000000002d80 [ 59.167695][ T6824] R10: 0000000000000011 R11: 0000000000000246 R12: 00000000000000c2 [ 59.175646][ T6824] R13: 00007ffd14801b50 R14: 8421084210842109 R15: 00007ffd14801b5c [ 59.266285][ T6825] IPVS: ftp: loaded support on port[0] = 21 [ 59.303979][ T6825] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6825 [ 59.313549][ T6825] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.319515][ T6825] CPU: 1 PID: 6825 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 59.328962][ T6825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.339092][ T6825] Call Trace: [ 59.342368][ T6825] dump_stack+0x18f/0x20d [ 59.346696][ T6825] check_preemption_disabled+0x20d/0x220 [ 59.352405][ T6825] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.357533][ T6825] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.362972][ T6825] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.368689][ T6825] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.373966][ T6825] ? ext4_ext_release+0x10/0x10 [ 59.378811][ T6825] ? down_write_killable+0x170/0x170 [ 59.384098][ T6825] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.389544][ T6825] ext4_map_blocks+0x4cb/0x1640 [ 59.394379][ T6825] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.399555][ T6825] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.405096][ T6825] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.411071][ T6825] ? prandom_u32_state+0xe/0x170 [ 59.416014][ T6825] ? __brelse+0x84/0xa0 [ 59.420149][ T6825] ? __ext4_new_inode+0x144/0x55e0 [ 59.425253][ T6825] ext4_getblk+0xad/0x520 [ 59.429570][ T6825] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.435283][ T6825] ? ext4_free_inode+0x1700/0x1700 [ 59.440372][ T6825] ext4_bread+0x7c/0x380 [ 59.444680][ T6825] ? ext4_getblk+0x520/0x520 [ 59.449266][ T6825] ? dquot_get_next_dqblk+0x180/0x180 [ 59.454619][ T6825] ext4_append+0x153/0x360 [ 59.459024][ T6825] ext4_mkdir+0x5e0/0xdf0 [ 59.463350][ T6825] ? ext4_rmdir+0xde0/0xde0 [ 59.467834][ T6825] ? security_inode_permission+0xc4/0xf0 [ 59.473446][ T6825] vfs_mkdir+0x419/0x690 [ 59.477693][ T6825] do_mkdirat+0x21e/0x280 [ 59.482020][ T6825] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.486892][ T6825] ? do_syscall_64+0x1c/0xe0 [ 59.491476][ T6825] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.497441][ T6825] do_syscall_64+0x60/0xe0 [ 59.501845][ T6825] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.507732][ T6825] RIP: 0033:0x45bee7 [ 59.512018][ T6825] Code: Bad RIP value. [ 59.516062][ T6825] RSP: 002b:00007ffd14801868 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 59.524480][ T6825] RAX: ffffffffffffffda RBX: 000000000078c988 RCX: 000000000045bee7 [ 59.532436][ T6825] RDX: 00007ffd148018b3 RSI: 00000000000001ff RDI: 00007ffd148018b0 [ 59.540403][ T6825] RBP: 00000000000000f8 R08: 0000000000000000 R09: 0000000000000003 [ 59.548366][ T6825] R10: 0000000000000064 R11: 0000000000000202 R12: 00000000004185d0 [ 59.556424][ T6825] R13: 00007ffd148018a0 R14: 0000000000000000 R15: 00007ffd148018b0 [ 59.613407][ T6825] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/6825 [ 59.622921][ T6825] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.628927][ T6825] CPU: 1 PID: 6825 Comm: syz-executor.0 Not tainted 5.7.0-next-20200605-syzkaller #0 [ 59.638396][ T6825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.648473][ T6825] Call Trace: [ 59.651775][ T6825] dump_stack+0x18f/0x20d [ 59.656124][ T6825] check_preemption_disabled+0x20d/0x220 [ 59.661766][ T6825] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.666895][ T6825] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.672361][ T6825] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.678102][ T6825] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.683400][ T6825] ? ext4_ext_release+0x10/0x10 [ 59.688280][ T6825] ? down_write_killable+0x170/0x170 [ 59.693578][ T6825] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.699021][ T6825] ext4_map_blocks+0x4cb/0x1640 [ 59.703945][ T6825] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.709129][ T6825] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.714657][ T6825] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.720707][ T6825] ? prandom_u32_state+0xe/0x170 [ 59.725629][ T6825] ? __brelse+0x84/0xa0 [ 59.729763][ T6825] ? __ext4_new_inode+0x144/0x55e0 [ 59.734852][ T6825] ext4_getblk+0xad/0x520 [ 59.739250][ T6825] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 59.744966][ T6825] ? ext4_free_inode+0x1700/0x1700 [ 59.750058][ T6825] ext4_bread+0x7c/0x380 [ 59.754277][ T6825] ? ext4_getblk+0x520/0x520 [ 59.758864][ T6825] ? dquot_get_next_dqblk+0x180/0x180 [ 59.764217][ T6825] ext4_append+0x153/0x360 [ 59.768617][ T6825] ext4_mkdir+0x5e0/0xdf0 [ 59.772943][ T6825] ? ext4_rmdir+0xde0/0xde0 [ 59.777518][ T6825] ? security_inode_permission+0xc4/0xf0 [ 59.783178][ T6825] vfs_mkdir+0x419/0x690 [ 59.787408][ T6825] do_mkdirat+0x21e/0x280 [ 59.791726][ T6825] ? __ia32_sys_mknod+0xb0/0xb0 [ 59.796562][ T6825] ? do_syscall_64+0x1c/0xe0 [ 59.801143][ T6825] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 59.807125][ T6825] do_syscall_64+0x60/0xe0 [ 59.811988][ T6825] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.817864][ T6825] RIP: 0033:0x45bee7 [ 59.821747][ T6825] Code: Bad RIP value. [ 59.825788][ T6825] RSP: 002b:00007ffd14801868 EFLAGS: 00000202 ORIG_RAX: 0000000000000053 [ 59.834189][ T6825] RAX: ffffffffffffffda RBX: 000000000000e8ca RCX: 000000000045bee7 [ 59.842157][ T6825] RDX: 00007ffd148018b3 RSI: 00000000000001ff RDI: 00007ffd148018b0 [ 59.850132][ T6825] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000003 [ 59.858170][ T6825] R10: 0000000000000064 R11: 0000000000000202 R12: 0000000000000003 [ 59.866120][ T6825] R13: 00007ffd148018a0 R14: 000000000000e8b6 R15: 00007ffd148018b0 [ 59.881270][ T1156] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1156 [ 59.890560][ T1156] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.896566][ T1156] CPU: 1 PID: 1156 Comm: khugepaged Not tainted 5.7.0-next-20200605-syzkaller #0 [ 59.905670][ T1156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.915720][ T1156] Call Trace: [ 59.919010][ T1156] dump_stack+0x18f/0x20d [ 59.923345][ T1156] check_preemption_disabled+0x20d/0x220 [ 59.928974][ T1156] ext4_mb_new_blocks+0xa4d/0x3b70 [ 59.934067][ T1156] ? ext4_find_extent+0x81a/0xad0 [ 59.939076][ T1156] ? ext4_ext_search_right+0x2ca/0xb20 [ 59.944514][ T1156] ? ext4_inode_to_goal_block+0x2df/0x3f0 [ 59.950230][ T1156] ext4_ext_map_blocks+0x201b/0x33e0 [ 59.955498][ T1156] ? ext4_ext_release+0x10/0x10 [ 59.960358][ T1156] ? down_write_killable+0x170/0x170 [ 59.965619][ T1156] ? ext4_es_lookup_extent+0x41d/0xd10 [ 59.971077][ T1156] ext4_map_blocks+0x4cb/0x1640 [ 59.975926][ T1156] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 59.981109][ T1156] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.986632][ T1156] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 59.992611][ T1156] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 59.998157][ T1156] ext4_writepages+0x1a7b/0x33c0 [ 60.003090][ T1156] ? lock_release+0x710/0x800 [ 60.007753][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 60.013374][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 60.018986][ T1156] ? do_writepages+0xfa/0x2a0 [ 60.023637][ T1156] do_writepages+0xfa/0x2a0 [ 60.028121][ T1156] ? page_writeback_cpu_online+0x10/0x10 [ 60.033744][ T1156] ? do_raw_spin_lock+0x120/0x2d0 [ 60.038756][ T1156] ? do_raw_spin_unlock+0x171/0x260 [ 60.043931][ T1156] ? _raw_spin_unlock+0x24/0x40 [ 60.048760][ T1156] __filemap_fdatawrite_range+0x2aa/0x390 [ 60.054466][ T1156] ? collapse_file+0x35a2/0x4330 [ 60.059379][ T1156] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 60.065438][ T1156] ? _raw_spin_unlock_irq+0x1f/0x80 [ 60.070623][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.076582][ T1156] collapse_file+0x35ac/0x4330 [ 60.081348][ T1156] ? collapse_huge_page+0x4350/0x4350 [ 60.086702][ T1156] ? khugepaged+0x2506/0x3fc0 [ 60.091361][ T1156] ? xas_find+0x31a/0x880 [ 60.095688][ T1156] ? check_preemption_disabled+0x38/0x220 [ 60.101387][ T1156] khugepaged+0x3041/0x3fc0 [ 60.105893][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.111511][ T1156] ? lock_downgrade+0x840/0x840 [ 60.116342][ T1156] ? finish_wait+0x260/0x260 [ 60.120907][ T1156] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 60.126700][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.132661][ T1156] ? __kthread_parkme+0x13f/0x1e0 [ 60.137663][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.143282][ T1156] kthread+0x3b5/0x4a0 [ 60.147327][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.153109][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.158814][ T1156] ret_from_fork+0x1f/0x30 2020/06/08 02:00:48 building call list... [ 60.325743][ T1156] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1156 [ 60.334915][ T1156] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.341103][ T1156] CPU: 1 PID: 1156 Comm: khugepaged Not tainted 5.7.0-next-20200605-syzkaller #0 [ 60.350203][ T1156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.360967][ T1156] Call Trace: [ 60.364260][ T1156] dump_stack+0x18f/0x20d [ 60.369111][ T1156] check_preemption_disabled+0x20d/0x220 [ 60.374770][ T1156] ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.379904][ T1156] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.385367][ T1156] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 60.391524][ T1156] ext4_ext_map_blocks+0x201b/0x33e0 [ 60.396913][ T1156] ? ext4_ext_release+0x10/0x10 [ 60.401791][ T1156] ? down_write_killable+0x170/0x170 [ 60.407072][ T1156] ? ext4_es_lookup_extent+0x41d/0xd10 [ 60.412530][ T1156] ext4_map_blocks+0x4cb/0x1640 [ 60.418336][ T1156] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.423534][ T1156] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.429076][ T1156] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.435050][ T1156] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 60.440507][ T1156] ext4_writepages+0x1a7b/0x33c0 [ 60.445618][ T1156] ? lock_release+0x710/0x800 [ 60.450298][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 60.455964][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 60.461598][ T1156] ? do_writepages+0xfa/0x2a0 [ 60.466266][ T1156] do_writepages+0xfa/0x2a0 [ 60.470795][ T1156] ? page_writeback_cpu_online+0x10/0x10 [ 60.476441][ T1156] ? do_raw_spin_lock+0x120/0x2d0 [ 60.481461][ T1156] ? do_raw_spin_unlock+0x171/0x260 [ 60.486658][ T1156] ? _raw_spin_unlock+0x24/0x40 [ 60.491509][ T1156] __filemap_fdatawrite_range+0x2aa/0x390 [ 60.497224][ T1156] ? collapse_file+0x35a2/0x4330 [ 60.502155][ T1156] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 60.508237][ T1156] ? _raw_spin_unlock_irq+0x1f/0x80 [ 60.513443][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.519423][ T1156] collapse_file+0x35ac/0x4330 [ 60.524201][ T1156] ? collapse_huge_page+0x4350/0x4350 [ 60.529570][ T1156] ? khugepaged+0x2506/0x3fc0 [ 60.534250][ T1156] ? xas_find+0x31a/0x880 [ 60.538581][ T1156] ? check_preemption_disabled+0x38/0x220 [ 60.544304][ T1156] khugepaged+0x3041/0x3fc0 [ 60.548836][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.554481][ T1156] ? lock_downgrade+0x840/0x840 [ 60.559357][ T1156] ? finish_wait+0x260/0x260 [ 60.563971][ T1156] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 60.569798][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.575783][ T1156] ? __kthread_parkme+0x13f/0x1e0 [ 60.580808][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.586437][ T1156] kthread+0x3b5/0x4a0 [ 60.590500][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.597861][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.603579][ T1156] ret_from_fork+0x1f/0x30 [ 60.646818][ T1156] BUG: using smp_processor_id() in preemptible [00000000] code: khugepaged/1156 [ 60.655991][ T1156] caller is ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.661892][ T1156] CPU: 1 PID: 1156 Comm: khugepaged Not tainted 5.7.0-next-20200605-syzkaller #0 [ 60.670988][ T1156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.681032][ T1156] Call Trace: [ 60.684326][ T1156] dump_stack+0x18f/0x20d [ 60.689882][ T1156] check_preemption_disabled+0x20d/0x220 [ 60.695514][ T1156] ext4_mb_new_blocks+0xa4d/0x3b70 [ 60.700641][ T1156] ? ext4_ext_search_right+0x2ca/0xb20 [ 60.706096][ T1156] ? ext4_ext_next_allocated_block+0x221/0x2d0 [ 60.712750][ T1156] ext4_ext_map_blocks+0x201b/0x33e0 [ 60.718039][ T1156] ? ext4_ext_release+0x10/0x10 [ 60.722907][ T1156] ? down_write_killable+0x170/0x170 [ 60.728185][ T1156] ? ext4_es_lookup_extent+0x41d/0xd10 [ 60.733640][ T1156] ext4_map_blocks+0x4cb/0x1640 [ 60.738490][ T1156] ? ext4_issue_zeroout+0x1e0/0x1e0 [ 60.743690][ T1156] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.749228][ T1156] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 60.755200][ T1156] ? ext4_alloc_io_end_vec+0x145/0x1c0 [ 60.760651][ T1156] ext4_writepages+0x1a7b/0x33c0 [ 60.765599][ T1156] ? lock_release+0x710/0x800 [ 60.770297][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 60.775950][ T1156] ? __ext4_mark_inode_dirty+0x940/0x940 [ 60.781596][ T1156] ? do_writepages+0xfa/0x2a0 [ 60.786264][ T1156] do_writepages+0xfa/0x2a0 [ 60.790766][ T1156] ? page_writeback_cpu_online+0x10/0x10 [ 60.796393][ T1156] ? do_raw_spin_lock+0x120/0x2d0 [ 60.801411][ T1156] ? do_raw_spin_unlock+0x171/0x260 [ 60.806604][ T1156] ? _raw_spin_unlock+0x24/0x40 [ 60.811915][ T1156] __filemap_fdatawrite_range+0x2aa/0x390 [ 60.817656][ T1156] ? collapse_file+0x35a2/0x4330 [ 60.822600][ T1156] ? delete_from_page_cache_batch+0xeb0/0xeb0 [ 60.828677][ T1156] ? _raw_spin_unlock_irq+0x1f/0x80 [ 60.833875][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.839861][ T1156] collapse_file+0x35ac/0x4330 [ 60.844641][ T1156] ? collapse_huge_page+0x4350/0x4350 [ 60.850535][ T1156] ? khugepaged+0x2506/0x3fc0 [ 60.855220][ T1156] ? xas_find+0x31a/0x880 [ 60.859582][ T1156] ? check_preemption_disabled+0x38/0x220 [ 60.865342][ T1156] khugepaged+0x3041/0x3fc0 [ 60.869899][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.875682][ T1156] ? lock_downgrade+0x840/0x840 [ 60.880538][ T1156] ? finish_wait+0x260/0x260 [ 60.885131][ T1156] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 60.890945][ T1156] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 60.896932][ T1156] ? __kthread_parkme+0x13f/0x1e0 [ 60.901956][ T1156] ? collapse_pte_mapped_thp+0xbf0/0xbf0 [ 60.907588][ T1156] kthread+0x3b5/0x4a0 [ 60.911653][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.917377][ T1156] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 60.923122][ T1156] ret_from_fork+0x1f/0x30 [ 60.995078][ T154] tipc: TX() has been purged, node left! executing program [ 62.049068][ T6819] can: request_module (can-proto-0) failed. [ 62.924084][ T6819] can: request_module (can-proto-0) failed. [ 62.936962][ T6819] can: request_module (can-proto-0) failed.