Warning: Permanently added '10.128.0.54' (ECDSA) to the list of known hosts. [ 35.143029] IPVS: ftp: loaded support on port[0] = 21 executing program [ 35.264983] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 35.296030] WARNING: CPU: 0 PID: 8134 at include/linux/backing-dev.h:340 account_page_dirtied+0x8cc/0xbb0 [ 35.305861] Kernel panic - not syncing: panic_on_warn set ... [ 35.305861] [ 35.313211] CPU: 0 PID: 8134 Comm: segctord Not tainted 4.19.211-syzkaller #0 [ 35.320462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 35.329819] Call Trace: [ 35.332396] dump_stack+0x1fc/0x2ef [ 35.336007] panic+0x26a/0x50e [ 35.339183] ? __warn_printk+0xf3/0xf3 [ 35.343053] ? account_page_dirtied+0x8cc/0xbb0 [ 35.347705] ? __probe_kernel_read+0x130/0x1b0 [ 35.352266] ? __warn.cold+0x5/0x5a [ 35.355873] ? __warn+0xe4/0x200 [ 35.359224] ? account_page_dirtied+0x8cc/0xbb0 [ 35.363876] __warn.cold+0x20/0x5a [ 35.367404] ? account_page_dirtied+0x8cc/0xbb0 [ 35.372052] report_bug+0x262/0x2b0 [ 35.375662] do_error_trap+0x1d7/0x310 [ 35.379528] ? math_error+0x310/0x310 [ 35.383307] ? nilfs_segctor_construct+0x764/0xae0 [ 35.388248] ? nilfs_segctor_thread+0x3cb/0xf50 [ 35.392898] ? mark_held_locks+0xf0/0xf0 [ 35.396953] ? error_entry+0x72/0xd0 [ 35.400651] ? trace_hardirqs_off_caller+0x2c/0x210 [ 35.405648] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.410472] invalid_op+0x14/0x20 [ 35.413907] RIP: 0010:account_page_dirtied+0x8cc/0xbb0 [ 35.419161] 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 [ 35.438052] RSP: 0018:ffff88809491f868 EFLAGS: 00010093 [ 35.443398] RAX: ffff888098ae8580 RBX: 0000000000000000 RCX: ffffffff817fd2ef [ 35.450648] RDX: 0000000000000000 RSI: ffffffff817fd2fc RDI: 0000000000000005 [ 35.457896] RBP: ffff88808b899b48 R08: 0000000000000000 R09: 0000000000000000 [ 35.465147] R10: 0000000000000005 R11: 0000000000000000 R12: ffffea0002844d00 [ 35.472418] R13: ffff88808b8999c0 R14: ffff88808b899838 R15: ffffea0002844d08 [ 35.480216] ? account_page_dirtied+0x8bf/0xbb0 [ 35.484871] ? account_page_dirtied+0x8cc/0xbb0 [ 35.489525] ? account_page_dirtied+0x8cc/0xbb0 [ 35.494176] __set_page_dirty+0x7f/0x3e0 [ 35.498220] ? lock_page_memcg+0xa7/0x220 [ 35.502354] mark_buffer_dirty+0x424/0x5c0 [ 35.506572] nilfs_btree_propagate+0x728/0xd80 [ 35.511136] nilfs_bmap_propagate+0x73/0x170 [ 35.515524] nilfs_collect_dat_data+0x45/0xd0 [ 35.520017] nilfs_segctor_apply_buffers+0x14a/0x490 [ 35.525117] ? nilfs_collect_file_bmap+0x70/0x70 [ 35.529866] nilfs_segctor_scan_file+0x475/0x6f0 [ 35.534607] ? nilfs_collect_file_data+0xd0/0xd0 [ 35.539350] ? check_preemption_disabled+0x41/0x280 [ 35.544367] nilfs_segctor_do_construct+0x1562/0x8360 [ 35.549562] ? nilfs_segctor_scan_file+0x6f0/0x6f0 [ 35.554482] ? lock_downgrade+0x720/0x720 [ 35.558635] ? lock_acquire+0x170/0x3c0 [ 35.562600] ? nilfs_segctor_confirm+0xe1/0x180 [ 35.567259] ? do_raw_spin_unlock+0x171/0x230 [ 35.571743] ? _raw_spin_unlock+0x29/0x40 [ 35.575881] nilfs_segctor_construct+0x764/0xae0 [ 35.580624] nilfs_segctor_thread+0x3cb/0xf50 [ 35.585104] ? nilfs_segctor_construct+0xae0/0xae0 [ 35.590030] ? __kthread_parkme+0x5d/0x1e0 [ 35.594251] ? wait_woken+0x250/0x250 [ 35.598039] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 35.602623] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 35.607712] ? __kthread_parkme+0x133/0x1e0 [ 35.612024] ? nilfs_segctor_construct+0xae0/0xae0 [ 35.617010] kthread+0x33f/0x460 [ 35.620369] ? kthread_park+0x180/0x180 [ 35.624341] ret_from_fork+0x24/0x30 [ 35.628397] Kernel Offset: disabled [ 35.632076] Rebooting in 86400 seconds..