Warning: Permanently added '10.128.1.56' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 49.678991][ T3589] loop0: detected capacity change from 0 to 8176 [ 49.694520][ T3589] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 49.717325][ T3591] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 49.748843][ T3591] ------------[ cut here ]------------ [ 49.754550][ T3591] WARNING: CPU: 0 PID: 3591 at include/linux/backing-dev.h:261 __folio_mark_dirty+0xb7b/0x1000 [ 49.764928][ T3591] Modules linked in: [ 49.768807][ T3591] CPU: 0 PID: 3591 Comm: segctord Not tainted 5.17.0-next-20220325-syzkaller #0 [ 49.777807][ T3591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.788015][ T3591] RIP: 0010:__folio_mark_dirty+0xb7b/0x1000 [ 49.793910][ T3591] Code: ff ff ff 48 8d 78 70 e8 93 c4 bb 07 31 ff 89 c6 89 44 24 10 e8 46 0f d6 ff 8b 44 24 10 85 c0 0f 85 27 f9 ff ff e8 15 0d d6 ff <0f> 0b e9 1b f9 ff ff e8 09 0d d6 ff e8 a4 c5 bb 07 31 ff 41 89 c7 [ 49.813519][ T3591] RSP: 0018:ffffc90003a8f8b8 EFLAGS: 00010093 [ 49.819589][ T3591] RAX: 0000000000000000 RBX: ffff888071558378 RCX: 0000000000000000 [ 49.827542][ T3591] RDX: ffff88801898ba80 RSI: ffffffff81a29d0b RDI: 0000000000000003 [ 49.835495][ T3591] RBP: ffffea0001fd4c40 R08: 0000000000000000 R09: 0000000000000000 [ 49.843452][ T3591] R10: ffffffff81a29cfa R11: 0000000000000000 R12: 0000000000000293 [ 49.851416][ T3591] R13: ffff888071558138 R14: 0000000000000001 R15: 0000000000000001 [ 49.859383][ T3591] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 49.868308][ T3591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.874889][ T3591] CR2: 00007f6dc6c381d0 CR3: 0000000023b29000 CR4: 00000000003506f0 [ 49.882855][ T3591] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.890820][ T3591] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.898873][ T3591] Call Trace: [ 49.902142][ T3591] [ 49.905074][ T3591] mark_buffer_dirty+0x62b/0xa20 [ 49.910028][ T3591] nilfs_btree_propagate+0x4ae/0xea0 [ 49.915335][ T3591] nilfs_bmap_propagate+0x73/0x170 [ 49.920458][ T3591] nilfs_collect_dat_data+0x45/0xd0 [ 49.925664][ T3591] nilfs_segctor_apply_buffers+0x14a/0x470 [ 49.931475][ T3591] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 49.937209][ T3591] ? nilfs_collect_file_bmap+0x80/0x80 [ 49.942680][ T3591] nilfs_segctor_scan_file+0x3e4/0x700 [ 49.948149][ T3591] ? nilfs_lookup_dirty_data_buffers+0x7a0/0x7a0 [ 49.954506][ T3591] nilfs_segctor_do_construct+0x16f5/0x6980 [ 49.960438][ T3591] ? nilfs_segctor_abort_construction+0xe20/0xe20 [ 49.966874][ T3591] ? do_raw_spin_lock+0x120/0x2a0 [ 49.971906][ T3591] ? rwlock_bug.part.0+0x90/0x90 [ 49.976857][ T3591] ? do_raw_spin_unlock+0x171/0x230 [ 49.982066][ T3591] ? _raw_spin_unlock+0x24/0x40 [ 49.986943][ T3591] nilfs_segctor_construct+0x7a7/0xb30 [ 49.992414][ T3591] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 49.998662][ T3591] ? trace_nilfs2_transaction_transition+0x1ac/0x240 [ 50.005346][ T3591] nilfs_segctor_thread+0x3c3/0xf90 [ 50.010561][ T3591] ? nilfs_segctor_construct+0xb30/0xb30 [ 50.016223][ T3591] ? prepare_to_wait_exclusive+0x2b0/0x2b0 [ 50.022046][ T3591] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 50.028294][ T3591] ? __kthread_parkme+0x15f/0x220 [ 50.035119][ T3591] ? nilfs_segctor_construct+0xb30/0xb30 [ 50.040779][ T3591] kthread+0x2e9/0x3a0 [ 50.044866][ T3591] ? kthread_complete_and_exit+0x40/0x40 [ 50.050518][ T3591] ret_from_fork+0x1f/0x30 [ 50.054967][ T3591] [ 50.057986][ T3591] Kernel panic - not syncing: panic_on_warn set ... [ 50.064561][ T3591] CPU: 0 PID: 3591 Comm: segctord Not tainted 5.17.0-next-20220325-syzkaller #0 [ 50.073591][ T3591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.083651][ T3591] Call Trace: [ 50.086920][ T3591] [ 50.089847][ T3591] dump_stack_lvl+0xcd/0x134 [ 50.094442][ T3591] panic+0x2d7/0x636 [ 50.098350][ T3591] ? panic_print_sys_info.part.0+0x10b/0x10b [ 50.104347][ T3591] ? __warn.cold+0x1d1/0x2c5 [ 50.108945][ T3591] ? __folio_mark_dirty+0xb7b/0x1000 [ 50.114236][ T3591] __warn.cold+0x1e2/0x2c5 [ 50.118661][ T3591] ? __folio_mark_dirty+0xb7b/0x1000 [ 50.123955][ T3591] report_bug+0x1bd/0x210 [ 50.128291][ T3591] handle_bug+0x3c/0x60 [ 50.132451][ T3591] exc_invalid_op+0x14/0x40 [ 50.136956][ T3591] asm_exc_invalid_op+0x12/0x20 [ 50.141817][ T3591] RIP: 0010:__folio_mark_dirty+0xb7b/0x1000 [ 50.147717][ T3591] Code: ff ff ff 48 8d 78 70 e8 93 c4 bb 07 31 ff 89 c6 89 44 24 10 e8 46 0f d6 ff 8b 44 24 10 85 c0 0f 85 27 f9 ff ff e8 15 0d d6 ff <0f> 0b e9 1b f9 ff ff e8 09 0d d6 ff e8 a4 c5 bb 07 31 ff 41 89 c7 [ 50.167321][ T3591] RSP: 0018:ffffc90003a8f8b8 EFLAGS: 00010093 [ 50.173382][ T3591] RAX: 0000000000000000 RBX: ffff888071558378 RCX: 0000000000000000 [ 50.181346][ T3591] RDX: ffff88801898ba80 RSI: ffffffff81a29d0b RDI: 0000000000000003 [ 50.189309][ T3591] RBP: ffffea0001fd4c40 R08: 0000000000000000 R09: 0000000000000000 [ 50.197274][ T3591] R10: ffffffff81a29cfa R11: 0000000000000000 R12: 0000000000000293 [ 50.205237][ T3591] R13: ffff888071558138 R14: 0000000000000001 R15: 0000000000000001 [ 50.213210][ T3591] ? __folio_mark_dirty+0xb6a/0x1000 [ 50.218507][ T3591] ? __folio_mark_dirty+0xb7b/0x1000 [ 50.223797][ T3591] ? __folio_mark_dirty+0xb7b/0x1000 [ 50.229088][ T3591] mark_buffer_dirty+0x62b/0xa20 [ 50.234030][ T3591] nilfs_btree_propagate+0x4ae/0xea0 [ 50.239337][ T3591] nilfs_bmap_propagate+0x73/0x170 [ 50.244463][ T3591] nilfs_collect_dat_data+0x45/0xd0 [ 50.249668][ T3591] nilfs_segctor_apply_buffers+0x14a/0x470 [ 50.255479][ T3591] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 50.261208][ T3591] ? nilfs_collect_file_bmap+0x80/0x80 [ 50.266675][ T3591] nilfs_segctor_scan_file+0x3e4/0x700 [ 50.272142][ T3591] ? nilfs_lookup_dirty_data_buffers+0x7a0/0x7a0 [ 50.278487][ T3591] nilfs_segctor_do_construct+0x16f5/0x6980 [ 50.284412][ T3591] ? nilfs_segctor_abort_construction+0xe20/0xe20 [ 50.290836][ T3591] ? do_raw_spin_lock+0x120/0x2a0 [ 50.295873][ T3591] ? rwlock_bug.part.0+0x90/0x90 [ 50.300819][ T3591] ? do_raw_spin_unlock+0x171/0x230 [ 50.306024][ T3591] ? _raw_spin_unlock+0x24/0x40 [ 50.310884][ T3591] nilfs_segctor_construct+0x7a7/0xb30 [ 50.316351][ T3591] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 50.322598][ T3591] ? trace_nilfs2_transaction_transition+0x1ac/0x240 [ 50.329281][ T3591] nilfs_segctor_thread+0x3c3/0xf90 [ 50.334493][ T3591] ? nilfs_segctor_construct+0xb30/0xb30 [ 50.340145][ T3591] ? prepare_to_wait_exclusive+0x2b0/0x2b0 [ 50.346086][ T3591] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 50.352334][ T3591] ? __kthread_parkme+0x15f/0x220 [ 50.357380][ T3591] ? nilfs_segctor_construct+0xb30/0xb30 [ 50.363025][ T3591] kthread+0x2e9/0x3a0 [ 50.367099][ T3591] ? kthread_complete_and_exit+0x40/0x40 [ 50.372744][ T3591] ret_from_fork+0x1f/0x30 [ 50.377183][ T3591] [ 50.380479][ T3591] Kernel Offset: disabled [ 50.384936][ T3591] Rebooting in 86400 seconds..