Warning: Permanently added '10.128.1.53' (ECDSA) to the list of known hosts. executing program [ 74.079630][ T8457] loop0: detected capacity change from 0 to 8177 [ 74.098071][ T8457] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 74.127463][ T8481] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 74.187527][ T8481] ------------[ cut here ]------------ [ 74.193333][ T8481] WARNING: CPU: 0 PID: 8481 at include/linux/backing-dev.h:283 account_page_dirtied+0x773/0xc00 [ 74.203835][ T8481] Modules linked in: [ 74.207796][ T8481] CPU: 0 PID: 8481 Comm: segctord Not tainted 5.12.0-rc6-next-20210409-syzkaller #0 [ 74.217356][ T8481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.227729][ T8481] RIP: 0010:account_page_dirtied+0x773/0xc00 [ 74.233749][ T8481] Code: a8 01 00 00 be ff ff ff ff 48 8d 78 70 e8 75 89 74 07 31 ff 89 c3 89 c6 e8 2a 3f d9 ff 85 db 0f 85 b0 fa ff ff e8 6d 37 d9 ff <0f> 0b e9 a4 fa ff ff e8 61 37 d9 ff 48 8d 7d 08 48 b8 00 00 00 00 [ 74.253653][ T8481] RSP: 0018:ffffc9000100f880 EFLAGS: 00010093 [ 74.260498][ T8481] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 74.268471][ T8481] RDX: ffff88801b963900 RSI: ffffffff819af8c3 RDI: 0000000000000003 [ 74.276958][ T8481] RBP: ffffea00004cfb40 R08: 0000000000000000 R09: 0000000000000001 [ 74.285258][ T8481] R10: ffffffff819af8b6 R11: 0000000000000000 R12: ffff888035250488 [ 74.293461][ T8481] R13: ffff8880352502e0 R14: ffff888035250138 R15: ffffea00004cfb48 [ 74.301709][ T8481] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 74.310824][ T8481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.318203][ T8481] CR2: 0000557036e36bc8 CR3: 0000000014a68000 CR4: 00000000001506f0 [ 74.326360][ T8481] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.334334][ T8481] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.342360][ T8481] Call Trace: [ 74.345738][ T8481] __set_page_dirty+0x7f/0x400 [ 74.350541][ T8481] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 74.356806][ T8481] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 74.363054][ T8481] mark_buffer_dirty+0x496/0x5e0 [ 74.368096][ T8481] nilfs_btree_propagate+0x4ae/0xea0 [ 74.373397][ T8481] nilfs_bmap_propagate+0x73/0x170 [ 74.378622][ T8481] nilfs_collect_dat_data+0x45/0xd0 [ 74.384031][ T8481] nilfs_segctor_apply_buffers+0x14a/0x470 [ 74.390032][ T8481] ? nilfs_collect_file_bmap+0x80/0x80 [ 74.395697][ T8481] nilfs_segctor_scan_file+0x3e4/0x700 [ 74.401468][ T8481] ? nilfs_collect_file_data+0xd0/0xd0 [ 74.406970][ T8481] nilfs_segctor_do_construct+0x16ee/0x6b20 [ 74.413301][ T8481] ? nilfs_segctor_scan_file+0x700/0x700 [ 74.419060][ T8481] ? do_raw_spin_lock+0x120/0x2b0 [ 74.424271][ T8481] ? rwlock_bug.part.0+0x90/0x90 [ 74.429399][ T8481] ? do_raw_spin_unlock+0x171/0x230 [ 74.434800][ T8481] ? _raw_spin_unlock+0x24/0x40 [ 74.439766][ T8481] nilfs_segctor_construct+0x7a7/0xb30 [ 74.445336][ T8481] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 74.451675][ T8481] ? trace_nilfs2_transaction_transition+0x1af/0x250 [ 74.459519][ T8481] nilfs_segctor_thread+0x3c3/0xf90 [ 74.464748][ T8481] ? nilfs_segctor_construct+0xb30/0xb30 [ 74.471015][ T8481] ? finish_wait+0x260/0x260 [ 74.475915][ T8481] ? lockdep_hardirqs_on+0x79/0x100 [ 74.481894][ T8481] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 74.488400][ T8481] ? __kthread_parkme+0x13f/0x1e0 [ 74.493437][ T8481] ? nilfs_segctor_construct+0xb30/0xb30 [ 74.499077][ T8481] kthread+0x3b1/0x4a0 [ 74.503153][ T8481] ? __kthread_bind_mask+0xc0/0xc0 [ 74.508295][ T8481] ret_from_fork+0x1f/0x30 [ 74.512721][ T8481] Kernel panic - not syncing: panic_on_warn set ... [ 74.519292][ T8481] CPU: 0 PID: 8481 Comm: segctord Not tainted 5.12.0-rc6-next-20210409-syzkaller #0 [ 74.528749][ T8481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.538881][ T8481] Call Trace: [ 74.542230][ T8481] dump_stack+0x141/0x1d7 [ 74.546701][ T8481] panic+0x306/0x73d [ 74.550604][ T8481] ? __warn_printk+0xf3/0xf3 [ 74.555433][ T8481] ? __warn.cold+0x1a/0x44 [ 74.559851][ T8481] ? account_page_dirtied+0x773/0xc00 [ 74.565329][ T8481] __warn.cold+0x35/0x44 [ 74.569814][ T8481] ? account_page_dirtied+0x773/0xc00 [ 74.575184][ T8481] report_bug+0x1bd/0x210 [ 74.579583][ T8481] handle_bug+0x3c/0x60 [ 74.583732][ T8481] exc_invalid_op+0x14/0x40 [ 74.588270][ T8481] asm_exc_invalid_op+0x12/0x20 [ 74.593143][ T8481] RIP: 0010:account_page_dirtied+0x773/0xc00 [ 74.599285][ T8481] Code: a8 01 00 00 be ff ff ff ff 48 8d 78 70 e8 75 89 74 07 31 ff 89 c3 89 c6 e8 2a 3f d9 ff 85 db 0f 85 b0 fa ff ff e8 6d 37 d9 ff <0f> 0b e9 a4 fa ff ff e8 61 37 d9 ff 48 8d 7d 08 48 b8 00 00 00 00 [ 74.619176][ T8481] RSP: 0018:ffffc9000100f880 EFLAGS: 00010093 [ 74.625321][ T8481] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 74.633835][ T8481] RDX: ffff88801b963900 RSI: ffffffff819af8c3 RDI: 0000000000000003 [ 74.642396][ T8481] RBP: ffffea00004cfb40 R08: 0000000000000000 R09: 0000000000000001 [ 74.650366][ T8481] R10: ffffffff819af8b6 R11: 0000000000000000 R12: ffff888035250488 [ 74.658695][ T8481] R13: ffff8880352502e0 R14: ffff888035250138 R15: ffffea00004cfb48 [ 74.667669][ T8481] ? account_page_dirtied+0x766/0xc00 [ 74.673715][ T8481] ? account_page_dirtied+0x773/0xc00 [ 74.679267][ T8481] __set_page_dirty+0x7f/0x400 [ 74.684141][ T8481] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 74.690529][ T8481] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 74.696799][ T8481] mark_buffer_dirty+0x496/0x5e0 [ 74.701853][ T8481] nilfs_btree_propagate+0x4ae/0xea0 [ 74.707583][ T8481] nilfs_bmap_propagate+0x73/0x170 [ 74.712935][ T8481] nilfs_collect_dat_data+0x45/0xd0 [ 74.718661][ T8481] nilfs_segctor_apply_buffers+0x14a/0x470 [ 74.724654][ T8481] ? nilfs_collect_file_bmap+0x80/0x80 [ 74.730195][ T8481] nilfs_segctor_scan_file+0x3e4/0x700 [ 74.735926][ T8481] ? nilfs_collect_file_data+0xd0/0xd0 [ 74.741502][ T8481] nilfs_segctor_do_construct+0x16ee/0x6b20 [ 74.747719][ T8481] ? nilfs_segctor_scan_file+0x700/0x700 [ 74.753626][ T8481] ? do_raw_spin_lock+0x120/0x2b0 [ 74.758675][ T8481] ? rwlock_bug.part.0+0x90/0x90 [ 74.763809][ T8481] ? do_raw_spin_unlock+0x171/0x230 [ 74.769355][ T8481] ? _raw_spin_unlock+0x24/0x40 [ 74.774509][ T8481] nilfs_segctor_construct+0x7a7/0xb30 [ 74.780205][ T8481] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 74.786554][ T8481] ? trace_nilfs2_transaction_transition+0x1af/0x250 [ 74.793254][ T8481] nilfs_segctor_thread+0x3c3/0xf90 [ 74.798833][ T8481] ? nilfs_segctor_construct+0xb30/0xb30 [ 74.804571][ T8481] ? finish_wait+0x260/0x260 [ 74.809237][ T8481] ? lockdep_hardirqs_on+0x79/0x100 [ 74.814877][ T8481] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 74.821355][ T8481] ? __kthread_parkme+0x13f/0x1e0 [ 74.826415][ T8481] ? nilfs_segctor_construct+0xb30/0xb30 [ 74.832199][ T8481] kthread+0x3b1/0x4a0 [ 74.836290][ T8481] ? __kthread_bind_mask+0xc0/0xc0 [ 74.841490][ T8481] ret_from_fork+0x1f/0x30 [ 74.847789][ T8481] Kernel Offset: disabled [ 74.852402][ T8481] Rebooting in 86400 seconds..