[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.106' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 28.912150] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 28.929598] ------------[ cut here ]------------ [ 28.934630] WARNING: CPU: 0 PID: 7995 at include/linux/backing-dev.h:335 account_page_dirtied+0x8df/0xbb0 [ 28.944320] Kernel panic - not syncing: panic_on_warn set ... [ 28.944320] [ 28.951754] CPU: 0 PID: 7995 Comm: syz-executor225 Not tainted 4.14.295-syzkaller #0 [ 28.959720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 28.969051] Call Trace: [ 28.971620] dump_stack+0x1b2/0x281 [ 28.975226] panic+0x1f9/0x42d [ 28.978403] ? add_taint.cold+0x16/0x16 [ 28.982355] ? account_page_dirtied+0x8df/0xbb0 [ 28.987005] ? account_page_dirtied+0x8df/0xbb0 [ 28.991659] __warn.cold+0x20/0x44 [ 28.995184] ? ist_end_non_atomic+0x10/0x10 [ 28.999631] ? account_page_dirtied+0x8df/0xbb0 [ 29.004283] report_bug+0x208/0x250 [ 29.007895] do_error_trap+0x195/0x2d0 [ 29.011766] ? math_error+0x2d0/0x2d0 [ 29.015562] ? trace_hardirqs_on+0x10/0x10 [ 29.019803] ? trace_hardirqs_on+0x10/0x10 [ 29.024031] ? trace_hardirqs_on+0x10/0x10 [ 29.028246] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.033071] invalid_op+0x1b/0x40 [ 29.036535] RIP: 0010:account_page_dirtied+0x8df/0xbb0 [ 29.041792] RSP: 0018:ffff8880a2eff2e0 EFLAGS: 00010097 [ 29.047129] RAX: ffff8880b4f781c0 RBX: ffff8880af3d22c0 RCX: 1ffffffff127a5d4 [ 29.054375] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000086 [ 29.061620] RBP: ffff88808df98bd8 R08: ffffffff8b9c74d0 R09: 00000000000c023c [ 29.068868] R10: ffff8880b4f78b38 R11: ffff8880b4f781c0 R12: ffffea0002a56c00 [ 29.076111] R13: ffff88808df98a48 R14: ffff88808df98a48 R15: ffffea0002a56c20 [ 29.083368] __set_page_dirty+0x77/0x2a0 [ 29.087409] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 29.092834] mark_buffer_dirty+0x307/0x480 [ 29.097044] nilfs_btree_convert_and_insert+0xd33/0x1070 [ 29.102473] ? up_read+0x17/0x30 [ 29.105820] ? nilfs_btree_last_key+0x560/0x560 [ 29.110467] ? lock_acquire+0x170/0x3f0 [ 29.114413] ? nilfs_bmap_insert+0x81/0x380 [ 29.118713] nilfs_bmap_insert+0x242/0x380 [ 29.122923] ? nilfs_bmap_lookup_contig+0x170/0x170 [ 29.128008] ? nilfs_ifile_read+0x170/0x170 [ 29.132308] nilfs_mdt_get_block+0x4a1/0xb90 [ 29.136706] ? nilfs_ifile_read+0x170/0x170 [ 29.141004] ? nilfs_mdt_read_block+0x320/0x320 [ 29.145646] ? lock_downgrade+0x740/0x740 [ 29.149772] ? nilfs_ifile_read+0x170/0x170 [ 29.154211] nilfs_palloc_get_block+0xb2/0x250 [ 29.158789] nilfs_palloc_prepare_alloc_entry+0x235/0x950 [ 29.164305] ? nilfs_palloc_count_max_entries+0x240/0x240 [ 29.169816] ? new_inode+0xc7/0xf0 [ 29.173348] nilfs_ifile_create_inode+0x74/0x1e0 [ 29.178095] ? nilfs_sufile_read+0x530/0x530 [ 29.182493] ? _raw_spin_unlock+0x29/0x40 [ 29.186636] nilfs_new_inode+0x1c4/0x6f0 [ 29.190742] ? nilfs_transaction_begin+0x221/0xa00 [ 29.195652] ? nilfs_set_inode_flags+0xb0/0xb0 [ 29.200223] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 29.205657] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 29.210656] ? nilfs_transaction_begin+0x274/0xa00 [ 29.215566] nilfs_create+0xd2/0x2a0 [ 29.219297] ? nilfs_get_dentry+0x160/0x160 [ 29.223602] ? nilfs_get_dentry+0x160/0x160 [ 29.227902] lookup_open+0x77a/0x1750 [ 29.231690] ? vfs_mkdir+0x6e0/0x6e0 [ 29.235395] path_openat+0xe08/0x2970 [ 29.239181] ? path_lookupat+0x780/0x780 [ 29.243333] ? trace_hardirqs_on+0x10/0x10 [ 29.248157] ? __lock_acquire+0x5fc/0x3f20 [ 29.252376] do_filp_open+0x179/0x3c0 [ 29.256157] ? may_open_dev+0xe0/0xe0 [ 29.259935] ? lock_downgrade+0x740/0x740 [ 29.264060] ? do_raw_spin_unlock+0x164/0x220 [ 29.268532] ? _raw_spin_unlock+0x29/0x40 [ 29.272656] ? __alloc_fd+0x1be/0x490 [ 29.276448] do_sys_open+0x296/0x410 [ 29.280253] ? filp_open+0x60/0x60 [ 29.283779] ? __close_fd+0x159/0x230 [ 29.287561] ? do_syscall_64+0x4c/0x640 [ 29.291542] ? SyS_open+0x30/0x30 [ 29.295029] do_syscall_64+0x1d5/0x640 [ 29.298907] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.304074] RIP: 0033:0x7fd87ab86459 [ 29.307764] RSP: 002b:00007ffc3e8c1638 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 29.315447] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd87ab86459 [ 29.322853] RDX: 000000000000275a RSI: 0000000020000280 RDI: 00000000ffffff9c [ 29.330101] RBP: 00007fd87ab45cc0 R08: 00005555561cf2c0 R09: 0000000000000000 [ 29.337346] R10: 0000000000001800 R11: 0000000000000246 R12: 00007fd87ab45d50 [ 29.344590] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 29.352175] Kernel Offset: disabled [ 29.355841] Rebooting in 86400 seconds..