[ 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... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.162' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 37.587237] NILFS (loop0): invalid segment: Checksum error in segment payload [ 37.594749] NILFS (loop0): trying rollback from an earlier position [ 37.612766] NILFS (loop0): recovery complete [ 37.618185] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 37.643523] WARNING: CPU: 1 PID: 8092 at include/linux/backing-dev.h:340 account_page_dirtied+0x8cc/0xbb0 [ 37.653369] Kernel panic - not syncing: panic_on_warn set ... [ 37.653369] [ 37.660731] CPU: 1 PID: 8092 Comm: syz-executor349 Not tainted 4.19.211-syzkaller #0 [ 37.668603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 37.677935] Call Trace: [ 37.680507] dump_stack+0x1fc/0x2ef [ 37.684117] panic+0x26a/0x50e [ 37.687290] ? __warn_printk+0xf3/0xf3 [ 37.691159] ? account_page_dirtied+0x8cc/0xbb0 [ 37.695809] ? __probe_kernel_read+0x130/0x1b0 [ 37.700369] ? __warn.cold+0x5/0x5a [ 37.703973] ? __warn+0xe4/0x200 [ 37.707321] ? account_page_dirtied+0x8cc/0xbb0 [ 37.711970] __warn.cold+0x20/0x5a [ 37.715492] ? account_page_dirtied+0x8cc/0xbb0 [ 37.720138] report_bug+0x262/0x2b0 [ 37.723756] do_error_trap+0x1d7/0x310 [ 37.727632] ? math_error+0x310/0x310 [ 37.731419] ? lock_downgrade+0x720/0x720 [ 37.735553] ? mark_held_locks+0xf0/0xf0 [ 37.739592] ? error_entry+0x72/0xd0 [ 37.743288] ? trace_hardirqs_off_caller+0x2c/0x210 [ 37.748285] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.753126] invalid_op+0x14/0x20 [ 37.756564] RIP: 0010:account_page_dirtied+0x8cc/0xbb0 [ 37.761826] Code: 88 01 00 00 be ff ff ff ff 48 8d 78 70 e8 ec e1 ca ff 31 ff 89 c3 89 c6 e8 f1 b3 e2 ff 85 db 0f 85 39 f9 ff ff e8 74 b2 e2 ff <0f> 0b e9 2d f9 ff ff e8 68 b2 e2 ff 4c 89 e6 4c 89 ef e8 9d b3 2d [ 37.780714] RSP: 0018:ffff8880b147f3a8 EFLAGS: 00010093 [ 37.786054] RAX: ffff8880952b8340 RBX: 0000000000000000 RCX: ffffffff817fd2ef [ 37.793308] RDX: 0000000000000000 RSI: ffffffff817fd2fc RDI: 0000000000000005 [ 37.800554] RBP: ffff88808b036b48 R08: 0000000000000001 R09: 0000000000000000 [ 37.807804] R10: 0000000000000005 R11: 0000000000000000 R12: ffffea0002a55480 [ 37.815054] R13: ffff88808b0369c0 R14: ffff88808b036838 R15: ffffea0002a55488 [ 37.822314] ? account_page_dirtied+0x8bf/0xbb0 [ 37.826964] ? account_page_dirtied+0x8cc/0xbb0 [ 37.831617] ? account_page_dirtied+0x8cc/0xbb0 [ 37.836266] __set_page_dirty+0x7f/0x3e0 [ 37.840321] ? lock_page_memcg+0xa7/0x220 [ 37.844455] mark_buffer_dirty+0x424/0x5c0 [ 37.848669] nilfs_btree_convert_and_insert+0xed5/0x1250 [ 37.854125] ? nilfs_btree_broken_node_block+0x70/0x70 [ 37.859385] ? nilfs_bmap_insert+0x94/0x3f0 [ 37.863742] ? nilfs_direct_gather_data+0xfe/0x160 [ 37.868656] nilfs_bmap_insert+0x2a1/0x3f0 [ 37.872871] ? nilfs_bmap_lookup_contig+0x180/0x180 [ 37.877876] nilfs_mdt_get_block+0x59a/0xd40 [ 37.882269] ? nilfs_mdt_read_block+0x3e0/0x3e0 [ 37.886918] ? lock_downgrade+0x720/0x720 [ 37.891051] ? lock_acquire+0x170/0x3c0 [ 37.895017] ? nilfs_palloc_get_block+0x3a/0x2b0 [ 37.899768] nilfs_palloc_get_block+0xc4/0x2b0 [ 37.904339] nilfs_palloc_get_entry_block+0x17b/0x230 [ 37.909525] nilfs_dat_prepare_alloc+0x61/0xb0 [ 37.914089] ? nilfs_bmap_find_target_in_group+0xe/0x170 [ 37.919519] nilfs_direct_insert+0x3cb/0x4e0 [ 37.923911] ? nilfs_direct_delete+0x2d0/0x2d0 [ 37.928483] nilfs_bmap_insert+0x27a/0x3f0 [ 37.932702] ? nilfs_direct_last_key+0xf0/0xf0 [ 37.937265] ? nilfs_bmap_lookup_contig+0x180/0x180 [ 37.942262] ? nilfs_get_block+0x221/0x970 [ 37.946477] ? check_preemption_disabled+0x41/0x280 [ 37.951477] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 37.956478] ? nilfs_transaction_begin+0x2a8/0xa50 [ 37.961390] nilfs_get_block+0x4d5/0x970 [ 37.965434] ? __nilfs_mark_inode_dirty+0x220/0x220 [ 37.970431] ? create_empty_buffers+0x4e7/0x760 [ 37.975086] ? do_raw_spin_unlock+0x171/0x230 [ 37.979568] ? _raw_spin_unlock+0x29/0x40 [ 37.983704] ? create_page_buffers+0x190/0x350 [ 37.988290] __block_write_begin_int+0x46c/0x17b0 [ 37.993117] ? __nilfs_mark_inode_dirty+0x220/0x220 [ 37.998119] ? __breadahead_gfp+0x130/0x130 [ 38.002425] ? pagecache_get_page+0x1c4/0xd50 [ 38.006902] nilfs_make_empty+0x110/0x7e0 [ 38.011035] nilfs_mkdir+0x1e8/0x360 [ 38.014729] ? nilfs_unlink+0x1c0/0x1c0 [ 38.018684] ? generic_permission+0x116/0x4d0 [ 38.023179] ? security_inode_permission+0xc5/0xf0 [ 38.028110] ? inode_permission.part.0+0x10c/0x450 [ 38.033029] vfs_mkdir+0x508/0x7a0 [ 38.036551] do_mkdirat+0x262/0x2d0 [ 38.040158] ? __ia32_sys_mknod+0x120/0x120 [ 38.044458] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.049454] ? do_syscall_64+0x21/0x620 [ 38.053409] do_syscall_64+0xf9/0x620 [ 38.057192] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.062358] RIP: 0033:0x7f5e6aeeb239 [ 38.066051] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 38.085519] RSP: 002b:00007fff8ceb8608 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 38.093884] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5e6aeeb239 [ 38.101136] RDX: 0000000000000000 RSI: 0000000020000540 RDI: 0000000000000004 [ 38.108383] RBP: 0000000000000000 R08: 00007f5e6af59ec0 R09: 00007f5e6af59ec0 [ 38.115630] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff8ceb8630 [ 38.122878] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000 [ 38.130469] Kernel Offset: disabled [ 38.134144] Rebooting in 86400 seconds..