Warning: Permanently added '10.128.0.152' (ECDSA) to the list of known hosts. executing program executing program executing program executing program syzkaller login: [ 48.524532] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 53.546368] WARNING: CPU: 0 PID: 8116 at include/linux/backing-dev.h:340 account_page_dirtied+0x8cc/0xbb0 [ 53.556262] Kernel panic - not syncing: panic_on_warn set ... [ 53.556262] [ 53.563688] CPU: 0 PID: 8116 Comm: segctord Not tainted 4.19.211-syzkaller #0 [ 53.570949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 53.580371] Call Trace: [ 53.582947] dump_stack+0x1fc/0x2ef [ 53.586738] panic+0x26a/0x50e [ 53.589941] ? __warn_printk+0xf3/0xf3 [ 53.593822] ? account_page_dirtied+0x8cc/0xbb0 [ 53.598561] ? __probe_kernel_read+0x130/0x1b0 [ 53.603152] ? __warn.cold+0x5/0x5a [ 53.606766] ? __warn+0xe4/0x200 [ 53.610115] ? account_page_dirtied+0x8cc/0xbb0 [ 53.614856] __warn.cold+0x20/0x5a [ 53.618380] ? account_page_dirtied+0x8cc/0xbb0 [ 53.623032] report_bug+0x262/0x2b0 [ 53.626728] do_error_trap+0x1d7/0x310 [ 53.630596] ? math_error+0x310/0x310 [ 53.634379] ? nilfs_segctor_construct+0x764/0xae0 [ 53.639410] ? nilfs_segctor_thread+0x3cb/0xf50 [ 53.644071] ? mark_held_locks+0xf0/0xf0 [ 53.648141] ? error_entry+0x72/0xd0 [ 53.651850] ? trace_hardirqs_off_caller+0x2c/0x210 [ 53.657046] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.661982] invalid_op+0x14/0x20 [ 53.665425] RIP: 0010:account_page_dirtied+0x8cc/0xbb0 [ 53.670683] 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 [ 53.689570] RSP: 0018:ffff88809563f868 EFLAGS: 00010093 [ 53.694914] RAX: ffff8880b058a400 RBX: 0000000000000000 RCX: ffffffff817fd2ef [ 53.703277] RDX: 0000000000000000 RSI: ffffffff817fd2fc RDI: 0000000000000005 [ 53.710551] RBP: ffff88808d7e9b48 R08: 0000000000000000 R09: 0000000000000000 [ 53.717825] R10: 0000000000000005 R11: 0000000000000000 R12: ffffea0002d0b700 [ 53.725077] R13: ffff88808d7e99c0 R14: ffff88808d7e9838 R15: ffffea0002d0b708 [ 53.732347] ? account_page_dirtied+0x8bf/0xbb0 [ 53.736998] ? account_page_dirtied+0x8cc/0xbb0 [ 53.741652] ? account_page_dirtied+0x8cc/0xbb0 [ 53.746309] __set_page_dirty+0x7f/0x3e0 [ 53.750357] ? lock_page_memcg+0xa7/0x220 [ 53.754577] mark_buffer_dirty+0x424/0x5c0 [ 53.758796] nilfs_btree_propagate+0x728/0xd80 [ 53.763369] nilfs_bmap_propagate+0x73/0x170 [ 53.767771] nilfs_collect_dat_data+0x45/0xd0 [ 53.772252] nilfs_segctor_apply_buffers+0x14a/0x490 [ 53.777350] ? nilfs_collect_file_bmap+0x70/0x70 [ 53.782875] nilfs_segctor_scan_file+0x3f4/0x6f0 [ 53.787627] ? nilfs_collect_file_data+0xd0/0xd0 [ 53.792376] ? check_preemption_disabled+0x41/0x280 [ 53.797468] nilfs_segctor_do_construct+0x1562/0x8360 [ 53.802650] ? nilfs_segctor_scan_file+0x6f0/0x6f0 [ 53.807576] ? lock_downgrade+0x720/0x720 [ 53.811721] ? lock_acquire+0x170/0x3c0 [ 53.815694] ? nilfs_segctor_confirm+0xe1/0x180 [ 53.820363] ? do_raw_spin_unlock+0x171/0x230 [ 53.824848] ? _raw_spin_unlock+0x29/0x40 [ 53.829078] nilfs_segctor_construct+0x764/0xae0 [ 53.833847] nilfs_segctor_thread+0x3cb/0xf50 [ 53.838419] ? nilfs_segctor_construct+0xae0/0xae0 [ 53.843428] ? __kthread_parkme+0x5d/0x1e0 [ 53.847654] ? wait_woken+0x250/0x250 [ 53.851437] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 53.856002] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 53.861087] ? __kthread_parkme+0x133/0x1e0 [ 53.865392] ? nilfs_segctor_construct+0xae0/0xae0 [ 53.870302] kthread+0x33f/0x460 [ 53.873650] ? kthread_park+0x180/0x180 [ 53.877651] ret_from_fork+0x24/0x30 [ 53.881725] Kernel Offset: disabled [ 53.885405] Rebooting in 86400 seconds..