Warning: Permanently added '10.128.0.45' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 58.693886][ T8406] IPVS: ftp: loaded support on port[0] = 21 [ 58.731621][ T8406] loop0: detected capacity change from 8177 to 0 [ 58.745191][ T8406] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 58.770276][ T8430] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 58.814815][ T8430] ------------[ cut here ]------------ [ 58.820582][ T8430] WARNING: CPU: 0 PID: 8430 at include/linux/backing-dev.h:283 account_page_dirtied+0x767/0xa00 [ 58.831495][ T8430] Modules linked in: [ 58.835384][ T8430] CPU: 0 PID: 8430 Comm: segctord Not tainted 5.11.0-syzkaller #0 [ 58.843172][ T8430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.853394][ T8430] RIP: 0010:account_page_dirtied+0x767/0xa00 [ 58.859376][ T8430] Code: a8 01 00 00 be ff ff ff ff 48 8d 78 70 e8 81 c5 61 07 31 ff 89 c3 89 c6 e8 c6 0f da ff 85 db 0f 85 bc fa ff ff e8 39 08 da ff <0f> 0b e9 b0 fa ff ff e8 2d 08 da ff 48 89 ee 4c 89 ef e8 82 19 34 [ 58.879061][ T8430] RSP: 0018:ffffc900016df880 EFLAGS: 00010093 [ 58.885123][ T8430] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 58.893080][ T8430] RDX: ffff8880223f9bc0 RSI: ffffffff8198cdb7 RDI: 0000000000000003 [ 58.901038][ T8430] RBP: ffffea0000489300 R08: 0000000000000000 R09: 0000000000000001 [ 58.909011][ T8430] R10: ffffffff8198cdaa R11: 0000000000000000 R12: ffff8880329e0490 [ 58.916988][ T8430] R13: ffff8880329e02e8 R14: ffff8880329e0138 R15: ffffea0000489308 [ 58.925036][ T8430] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 58.934131][ T8430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.940870][ T8430] CR2: 000055da1684122f CR3: 0000000022597000 CR4: 0000000000350ef0 [ 58.949004][ T8430] Call Trace: [ 58.952274][ T8430] __set_page_dirty+0x7f/0x400 [ 58.957055][ T8430] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 58.963392][ T8430] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 58.969753][ T8430] mark_buffer_dirty+0x448/0x5d0 [ 58.974689][ T8430] nilfs_btree_propagate+0x4ae/0xea0 [ 58.980299][ T8430] nilfs_bmap_propagate+0x73/0x170 [ 58.985641][ T8430] nilfs_collect_dat_data+0x45/0xd0 [ 58.990839][ T8430] nilfs_segctor_apply_buffers+0x14a/0x470 [ 58.996835][ T8430] ? nilfs_collect_file_bmap+0x80/0x80 [ 59.002299][ T8430] nilfs_segctor_scan_file+0x3e4/0x700 [ 59.007757][ T8430] ? nilfs_collect_file_data+0xd0/0xd0 [ 59.013578][ T8430] nilfs_segctor_do_construct+0x16ee/0x6b10 [ 59.019477][ T8430] ? nilfs_segctor_scan_file+0x700/0x700 [ 59.025122][ T8430] ? do_raw_spin_lock+0x120/0x2b0 [ 59.030157][ T8430] ? rwlock_bug.part.0+0x90/0x90 [ 59.035087][ T8430] ? do_raw_spin_unlock+0x171/0x230 [ 59.040272][ T8430] ? _raw_spin_unlock+0x24/0x40 [ 59.045145][ T8430] nilfs_segctor_construct+0x7a7/0xb30 [ 59.050605][ T8430] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 59.056845][ T8430] ? trace_nilfs2_transaction_transition+0x1c8/0x250 [ 59.063532][ T8430] nilfs_segctor_thread+0x3c3/0xf90 [ 59.068740][ T8430] ? nilfs_segctor_construct+0xb30/0xb30 [ 59.074390][ T8430] ? finish_wait+0x260/0x260 [ 59.078980][ T8430] ? lockdep_hardirqs_on+0x79/0x100 [ 59.084349][ T8430] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 59.090636][ T8430] ? __kthread_parkme+0x13f/0x1e0 [ 59.095767][ T8430] ? nilfs_segctor_construct+0xb30/0xb30 [ 59.101398][ T8430] kthread+0x3b1/0x4a0 [ 59.105452][ T8430] ? __kthread_bind_mask+0xc0/0xc0 [ 59.110549][ T8430] ret_from_fork+0x1f/0x30 [ 59.114963][ T8430] Kernel panic - not syncing: panic_on_warn set ... [ 59.121529][ T8430] CPU: 0 PID: 8430 Comm: segctord Not tainted 5.11.0-syzkaller #0 [ 59.129318][ T8430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.139362][ T8430] Call Trace: [ 59.142808][ T8430] dump_stack+0x107/0x163 [ 59.147307][ T8430] panic+0x306/0x73d [ 59.151196][ T8430] ? __warn_printk+0xf3/0xf3 [ 59.155799][ T8430] ? __warn.cold+0x1a/0x44 [ 59.160216][ T8430] ? account_page_dirtied+0x767/0xa00 [ 59.165579][ T8430] __warn.cold+0x35/0x44 [ 59.169828][ T8430] ? account_page_dirtied+0x767/0xa00 [ 59.175189][ T8430] report_bug+0x1bd/0x210 [ 59.179509][ T8430] handle_bug+0x3c/0x60 [ 59.183667][ T8430] exc_invalid_op+0x14/0x40 [ 59.188168][ T8430] asm_exc_invalid_op+0x12/0x20 [ 59.193038][ T8430] RIP: 0010:account_page_dirtied+0x767/0xa00 [ 59.199033][ T8430] Code: a8 01 00 00 be ff ff ff ff 48 8d 78 70 e8 81 c5 61 07 31 ff 89 c3 89 c6 e8 c6 0f da ff 85 db 0f 85 bc fa ff ff e8 39 08 da ff <0f> 0b e9 b0 fa ff ff e8 2d 08 da ff 48 89 ee 4c 89 ef e8 82 19 34 [ 59.218910][ T8430] RSP: 0018:ffffc900016df880 EFLAGS: 00010093 [ 59.225086][ T8430] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 59.233130][ T8430] RDX: ffff8880223f9bc0 RSI: ffffffff8198cdb7 RDI: 0000000000000003 [ 59.241791][ T8430] RBP: ffffea0000489300 R08: 0000000000000000 R09: 0000000000000001 [ 59.249989][ T8430] R10: ffffffff8198cdaa R11: 0000000000000000 R12: ffff8880329e0490 [ 59.258298][ T8430] R13: ffff8880329e02e8 R14: ffff8880329e0138 R15: ffffea0000489308 [ 59.266475][ T8430] ? account_page_dirtied+0x75a/0xa00 [ 59.272181][ T8430] ? account_page_dirtied+0x767/0xa00 [ 59.277568][ T8430] __set_page_dirty+0x7f/0x400 [ 59.282419][ T8430] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 59.288676][ T8430] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 59.294939][ T8430] mark_buffer_dirty+0x448/0x5d0 [ 59.299887][ T8430] nilfs_btree_propagate+0x4ae/0xea0 [ 59.305169][ T8430] nilfs_bmap_propagate+0x73/0x170 [ 59.310271][ T8430] nilfs_collect_dat_data+0x45/0xd0 [ 59.315479][ T8430] nilfs_segctor_apply_buffers+0x14a/0x470 [ 59.321282][ T8430] ? nilfs_collect_file_bmap+0x80/0x80 [ 59.326915][ T8430] nilfs_segctor_scan_file+0x3e4/0x700 [ 59.332392][ T8430] ? nilfs_collect_file_data+0xd0/0xd0 [ 59.337866][ T8430] nilfs_segctor_do_construct+0x16ee/0x6b10 [ 59.343782][ T8430] ? nilfs_segctor_scan_file+0x700/0x700 [ 59.349406][ T8430] ? do_raw_spin_lock+0x120/0x2b0 [ 59.354424][ T8430] ? rwlock_bug.part.0+0x90/0x90 [ 59.359351][ T8430] ? do_raw_spin_unlock+0x171/0x230 [ 59.364643][ T8430] ? _raw_spin_unlock+0x24/0x40 [ 59.369659][ T8430] nilfs_segctor_construct+0x7a7/0xb30 [ 59.375126][ T8430] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 59.381618][ T8430] ? trace_nilfs2_transaction_transition+0x1c8/0x250 [ 59.388440][ T8430] nilfs_segctor_thread+0x3c3/0xf90 [ 59.393849][ T8430] ? nilfs_segctor_construct+0xb30/0xb30 [ 59.399740][ T8430] ? finish_wait+0x260/0x260 [ 59.404559][ T8430] ? lockdep_hardirqs_on+0x79/0x100 [ 59.410228][ T8430] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 59.416545][ T8430] ? __kthread_parkme+0x13f/0x1e0 [ 59.421560][ T8430] ? nilfs_segctor_construct+0xb30/0xb30 [ 59.427676][ T8430] kthread+0x3b1/0x4a0 [ 59.432951][ T8430] ? __kthread_bind_mask+0xc0/0xc0 [ 59.438149][ T8430] ret_from_fork+0x1f/0x30 [ 59.449141][ T8430] Kernel Offset: disabled [ 59.453952][ T8430] Rebooting in 86400 seconds..