Warning: Permanently added '10.128.1.86' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.644730] NILFS (loop0): invalid segment: Checksum error in segment payload [ 36.652466] NILFS (loop0): trying rollback from an earlier position [ 36.668733] NILFS (loop0): recovery complete [ 36.674436] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 36.707031] WARNING: CPU: 1 PID: 8118 at include/linux/backing-dev.h:340 account_page_dirtied+0x8cc/0xbb0 [ 36.716960] Kernel panic - not syncing: panic_on_warn set ... [ 36.716960] [ 36.724468] CPU: 1 PID: 8118 Comm: syz-executor721 Not tainted 4.19.211-syzkaller #0 [ 36.733576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 36.743020] Call Trace: [ 36.745634] dump_stack+0x1fc/0x2ef [ 36.749485] panic+0x26a/0x50e [ 36.752670] ? __warn_printk+0xf3/0xf3 [ 36.756574] ? account_page_dirtied+0x8cc/0xbb0 [ 36.761272] ? __probe_kernel_read+0x130/0x1b0 [ 36.766140] ? __warn.cold+0x5/0x5a [ 36.769808] ? __warn+0xe4/0x200 [ 36.773168] ? account_page_dirtied+0x8cc/0xbb0 [ 36.777831] __warn.cold+0x20/0x5a [ 36.781473] ? account_page_dirtied+0x8cc/0xbb0 [ 36.786131] report_bug+0x262/0x2b0 [ 36.789851] do_error_trap+0x1d7/0x310 [ 36.793738] ? math_error+0x310/0x310 [ 36.797703] ? mark_held_locks+0xf0/0xf0 [ 36.801776] ? error_entry+0x72/0xd0 [ 36.805492] ? trace_hardirqs_off_caller+0x2c/0x210 [ 36.810522] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.815377] invalid_op+0x14/0x20 [ 36.818839] RIP: 0010:account_page_dirtied+0x8cc/0xbb0 [ 36.824315] 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 [ 36.843728] RSP: 0018:ffff88809548eec8 EFLAGS: 00010093 [ 36.849084] RAX: ffff888095c08400 RBX: 0000000000000000 RCX: ffffffff817fd2ef [ 36.856717] RDX: 0000000000000000 RSI: ffffffff817fd2fc RDI: 0000000000000005 [ 36.864123] RBP: ffff88808b89cb48 R08: 0000000000000000 R09: 0000000000000000 [ 36.871399] R10: 0000000000000005 R11: 0000000000000000 R12: ffffea0002adfe40 [ 36.878674] R13: ffff88808b89c9c0 R14: ffff88808b89c838 R15: ffffea0002adfe48 [ 36.886187] ? account_page_dirtied+0x8bf/0xbb0 [ 36.890983] ? account_page_dirtied+0x8cc/0xbb0 [ 36.895798] ? account_page_dirtied+0x8cc/0xbb0 [ 36.900860] __set_page_dirty+0x7f/0x3e0 [ 36.904961] ? lock_page_memcg+0xa7/0x220 [ 36.909127] mark_buffer_dirty+0x424/0x5c0 [ 36.913375] nilfs_btree_convert_and_insert+0xed5/0x1250 [ 36.918927] ? nilfs_btree_broken_node_block+0x70/0x70 [ 36.924265] ? nilfs_bmap_insert+0x94/0x3f0 [ 36.928590] ? nilfs_direct_gather_data+0xfe/0x160 [ 36.933553] nilfs_bmap_insert+0x2a1/0x3f0 [ 36.937802] ? nilfs_bmap_lookup_contig+0x180/0x180 [ 36.942819] nilfs_mdt_get_block+0x59a/0xd40 [ 36.947356] ? nilfs_mdt_read_block+0x3e0/0x3e0 [ 36.952681] ? lock_downgrade+0x720/0x720 [ 36.956848] ? lock_acquire+0x170/0x3c0 [ 36.960812] ? nilfs_palloc_get_block+0x3a/0x2b0 [ 36.965571] nilfs_palloc_get_block+0xc4/0x2b0 [ 36.970283] nilfs_palloc_get_entry_block+0x17b/0x230 [ 36.975472] nilfs_dat_prepare_alloc+0x61/0xb0 [ 36.980090] ? nilfs_bmap_find_target_in_group+0xe/0x170 [ 36.985556] nilfs_btree_convert_and_insert+0xe00/0x1250 [ 36.991004] ? nilfs_btree_broken_node_block+0x70/0x70 [ 36.996403] ? lock_acquire+0x170/0x3c0 [ 37.000388] ? nilfs_bmap_insert+0x94/0x3f0 [ 37.004737] ? nilfs_direct_gather_data+0xfe/0x160 [ 37.009662] nilfs_bmap_insert+0x2a1/0x3f0 [ 37.013923] ? nilfs_bmap_lookup_contig+0x180/0x180 [ 37.018947] ? nilfs_get_block+0x221/0x970 [ 37.023178] ? check_preemption_disabled+0x41/0x280 [ 37.028225] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 37.033233] ? nilfs_transaction_begin+0x2a8/0xa50 [ 37.038593] nilfs_get_block+0x4d5/0x970 [ 37.042824] ? __nilfs_mark_inode_dirty+0x220/0x220 [ 37.047835] ? create_empty_buffers+0x4e7/0x760 [ 37.052723] ? do_raw_spin_unlock+0x171/0x230 [ 37.057211] ? _raw_spin_unlock+0x29/0x40 [ 37.061369] ? create_page_buffers+0x190/0x350 [ 37.066079] __block_write_begin_int+0x46c/0x17b0 [ 37.071123] ? __nilfs_mark_inode_dirty+0x220/0x220 [ 37.076150] ? __breadahead_gfp+0x130/0x130 [ 37.080923] ? wait_for_stable_page+0x122/0x360 [ 37.085616] ? __nilfs_mark_inode_dirty+0x220/0x220 [ 37.090637] block_write_begin+0x58/0x2e0 [ 37.094863] nilfs_write_begin+0xa5/0x1b0 [ 37.099003] generic_perform_write+0x1f8/0x4d0 [ 37.103598] ? __mnt_drop_write_file+0x6f/0xa0 [ 37.108204] ? filemap_page_mkwrite+0x2f0/0x2f0 [ 37.112965] ? current_time+0x1c0/0x1c0 [ 37.116937] ? lock_acquire+0x170/0x3c0 [ 37.120986] __generic_file_write_iter+0x24b/0x610 [ 37.125905] generic_file_write_iter+0x3f8/0x730 [ 37.130733] ? common_file_perm+0x4e5/0x850 [ 37.135059] do_iter_readv_writev+0x668/0x790 [ 37.139543] ? clone_verify_area+0x240/0x240 [ 37.143955] ? security_file_permission+0x1c0/0x220 [ 37.148975] do_iter_write+0x182/0x5d0 [ 37.152853] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 37.157881] vfs_writev+0x153/0x2e0 [ 37.161496] ? vfs_iter_write+0xa0/0xa0 [ 37.165466] ? vm_insert_page+0x9c0/0x9c0 [ 37.169608] ? __do_page_fault+0x6d1/0xd60 [ 37.173830] ? lock_downgrade+0x720/0x720 [ 37.177975] do_pwritev+0x1b6/0x270 [ 37.181586] ? do_writev+0x330/0x330 [ 37.185288] ? __do_page_fault+0x180/0xd60 [ 37.189519] __x64_sys_pwritev2+0xeb/0x150 [ 37.193741] do_syscall_64+0xf9/0x620 [ 37.197535] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.202743] RIP: 0033:0x7fce365f9259 [ 37.206460] 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 [ 37.225577] RSP: 002b:00007fffea200dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 37.233367] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fce365f9259 [ 37.240783] RDX: 0000000000000001 RSI: 00000000200000c0 RDI: 0000000000000004 [ 37.248064] RBP: 0000000000000000 R08: 0000000000000400 R09: 0000000000000000 [ 37.255584] R10: 0000000007000c00 R11: 0000000000000246 R12: 00007fffea200e10 [ 37.263399] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000 [ 37.271315] Kernel Offset: disabled [ 37.275838] Rebooting in 86400 seconds..