Warning: Permanently added '10.128.1.6' (ED25519) to the list of known hosts. executing program [ 38.054398][ T6489] loop0: detected capacity change from 0 to 32768 [ 38.122219][ T6489] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,degraded=yes,fsck,nojournal_transaction_names,nocow [ 38.122219][ T6489] allowing incompatible features above 0.0: (unknown version) [ 38.122219][ T6489] features: lz4,new_siphash,inline_data,new_extent_overwrite,btree_ptr_v2,new_varint,journal_no_flush,alloc_v2,extents_across_btree_nodes [ 38.122300][ T6489] bcachefs (loop0): Using encoding defined by superblock: utf8-12.1.0 [ 38.122731][ T6489] bcachefs (loop0): recovering from clean shutdown, journal seq 10 [ 38.122878][ T6489] bcachefs (loop0): Version upgrade required: [ 38.122878][ T6489] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete [ 38.122878][ T6489] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.28: inode_has_case_insensitive [ 38.122878][ T6489] running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,check_rebalance_work,set_fs_needs_rebalance [ 38.132390][ T6489] bcachefs (loop0): error reading btree root btree=alloc level=0: btree_node_read_error, fixing [ 38.136812][ T6489] bcachefs (loop0): check_topology... done [ 38.137452][ T6489] bcachefs (loop0): accounting_read... done [ 38.185906][ T6489] bcachefs (loop0): alloc_read... done [ 38.186454][ T6489] bcachefs (loop0): snapshots_read... done [ 38.187141][ T6489] bcachefs (loop0): check_allocations... [ 38.188208][ T6489] bcachefs (loop0): bucket 0:34 data type user ptr gen 0 missing in alloc btree [ 38.188227][ T6489] while marking u64s 7 type extent 4099:8:U32_MAX len 8 ver 0: durability: 1 crc: c_size 8 size 8 offset 0 nonce 0 csum none 0:0 compress incompressible ptr: 0:34:0 gen 0, fixing [ 38.188645][ T6489] bcachefs (loop0): bucket 0:27 data type btree ptr gen 0 missing in alloc btree [ 38.188658][ T6489] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq c6c25c03258c59c5 written 16 min_key POS_MIN durability: 1 ptr: 0:27:0 gen 0, fixing [ 38.190033][ T6489] bcachefs (loop0): bucket 0:38 data type btree ptr gen 0 missing in alloc btree [ 38.190048][ T6489] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 7589ab5e0c11cc7a written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0, fixing [ 38.190790][ T6489] bcachefs (loop0): bucket 0:41 data type btree ptr gen 0 missing in alloc btree [ 38.190804][ T6489] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 9aa2895aefce4bdf written 24 min_key POS_MIN durability: 1 ptr: 0:41:0 gen 0, fixing [ 38.191095][ T6489] bcachefs (loop0): bucket 0:31 data type btree ptr gen 0 missing in alloc btree [ 38.191109][ T6489] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 2285c34bed0abe32 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0, fixing [ 38.191867][ T6489] bcachefs (loop0): bucket 0:35 data type btree ptr gen 0 missing in alloc btree [ 38.191881][ T6489] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq c0bef60d07ceb940 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0, fixing [ 38.192615][ T648 ** replaying previous printk message ** [ 38.192615][ T6489] bcachefs (loop0): bucket 0:32 data type btree ptr gen 0 missing in alloc btree [ 38.192629][ T6489] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq ebb8d5a9e3463bdb written 16 min_key POS_MIN durability: 1 ptr: 0:32:0 gen 0, fixing [ 38.192874][ T6489] bcachefs (loop0): bucket 0:28 data type btree ptr gen 0 missing in alloc btree [ 38.192887][ T6489] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 28f61e078e70b95c written 16 min_key POS_MIN durability: 1 ptr: 0:28:0 gen 0, fixing [ 38.193615][ T6489] bcachefs (loop0): bucket 0:29 data type btree ptr gen 0 missing in alloc btree [ 38.193628][ T6489] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq e81e1ed936acf3df written 32 min_key POS_MIN durability: 1 ptr: 0:29:0 gen 0, fixing [ 38.193924][ T6489] bcachefs (loop0): bucket 0:37 data type btree ptr gen 0 missing in alloc btree [ 38.193937][ T6489] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 4a8b0fa43a9980a6 written 24 min_key POS_MIN durability: 1 ptr: 0:37:0 gen 0, fixing [ 38.194193][ T6489] bcachefs (loop0): bucket 0:42 data type btree ptr gen 0 missing in alloc btree [ 38.194205][ T6489] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 1db8f60c84bb244c written 8 min_key POS_MIN durability: 1 ptr: 0:42:0 gen 0, fixing [ 38.194218][ T6489] Ratelimiting new instances of previous error [ 38.200100][ T6489] done [ 38.201382][ T6489] bcachefs (loop0): going read-write [ 38.232805][ T6499] ODEBUG: object 000000007283bcf8 is on stack 00000000da8119cf, but NOT annotated. [ 38.233468][ T6499] ------------[ cut here ]------------ [ 38.233485][ T6499] WARNING: CPU: 0 PID: 6499 at lib/debugobjects.c:655 __debug_object_init+0x364/0x40c [ 38.277837][ T6499] Modules linked in: [ 38.279324][ T6499] CPU: 0 UID: 0 PID: 6499 Comm: bch-copygc/loop Not tainted 6.16.0-rc1-syzkaller-g19272b37aa4f #0 PREEMPT [ 38.280705][ T6489] bcachefs (loop0): journal_replay... [ 38.282502][ T6499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 38.286819][ T6499] pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 38.288973][ T6499] pc : __debug_object_init+0x364/0x40c [ 38.290439][ T6499] lr : __debug_object_init+0x364/0x40c [ 38.291961][ T6499] sp : ffff80009cc67700 [ 38.293135][ T6499] x29: ffff80009cc67700 x28: 0000000000000000 x27: dfff800000000000 [ 38.295411][ T6499] x26: ffff800097589000 x25: ffff0000c8930020 x24: 0000000000000000 [ 38.297593][ T6499] x23: ffff0000cb0f3700 x22: 0000000000000000 x21: ffff80009743fe38 [ 38.299825][ T6499] x20: ffff80008af00de0 x19: ffff80009cc67bb0 x18: 00000000ffffffff [ 38.302056][ T6499] x17: ffff800093215000 x16: ffff80008ae5617c x15: 0000000000000001 [ 38.304329][ T6499] x14: 1ffff0001398ce58 x13: 0000000000000000 x12: 0000000000000000 [ 38.306673][ T6499] x11: ffff70001398ce59 x10: 0000000000ff0100 x9 : 2dbb38e944d05b00 ** replaying previous printk message ** [ 38.307118][ T6489] done [ 38.310643][ T6489] bcachefs (loop0): check_alloc_info... [ 38.310656][ T6499] x8 : 2dbb38e944d05b00 x7 : 0000000000000001 x6 : 0000000000000001 [ 38.313373][ T6489] bcachefs (loop0): hole in alloc btree missing in freespace btree [ 38.316974][ T6499] x5 : ffff80009cc67098 x4 : ffff80008f657060 x3 : ffff8000807bb744 [ 38.319269][ T6499] x2 : 0000000000000001 x1 : 0000000100000001 x0 : 0000000000000050 [ 38.321633][ T6499] Call trace: [ 38.322518][ T6499] __debug_object_init+0x364/0x40c (P) [ 38.324093][ T6499] debug_object_init+0x20/0x2c [ 38.325418][ T6499] __init_work+0x58/0x68 [ 38.326625][ T6499] rhashtable_init_noprof+0x734/0xa10 [ 38.328134][ T6499] bch2_copygc_thread+0xec/0xd40 [ 38.329491][ T6499] kthread+0x5fc/0x75c [ 38.330569][ T6499] ret_from_fork+0x10/0x20 [ 38.331786][ T6499] irq event stamp: 18 [ 38.332888][ T6499] hardirqs last enabled at (17): [] get_random_u32+0x2d4/0x540 [ 38.335441][ T6499] hardirqs last disabled at (18): [] _raw_spin_lock_irqsave+0x2c/0x7c [ 38.338227][ T6499] softirqs last enabled at (0): [] copy_process+0x1134/0x31ec [ 38.340846][ T6499] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 38.342825][ T6499] ---[ end trace 0000000000000000 ]--- [ 38.344632][ T6489] device 0 buckets 26-27, fixing [ 38.348329][ T6489] done [ 38.349552][ T6489] bcachefs (loop0): check_lrus... done [ 38.350369][ T6489] bcachefs (loop0): check_btree_backpointers... done [ 38.352535][ T6489] bcachefs (loop0): check_backpointers_to_extents... done [ 38.354826][ T6489] bcachefs (loop0): check_extents_to_backpointers... [ 38.355396][ T6489] bcachefs (loop0): scanning for missing backpointers in 5/128 buckets [ 38.356516][ T6489] done [ 38.357005][ T6489] bcachefs (loop0): check_alloc_to_lru_refs... done [ 38.358475][ T6489] bcachefs (loop0): bucket_gens_init... done [ 38.363304][ T6489] bcachefs (loop0): check_snapshot_trees... done [ 38.363856][ T6489] bcachefs (loop0): check_snapshots... [ 38.364262][ T6489] bcachefs (loop0): snapshot points to missing/incorrect tree: [ 38.364276][ T6489] u64s 8 type snapshot 0:4294967295:0 len 0 ver 0: subvol parent 0 children 0 0 subvol 1 tree 0, fixing [ 38.368954][ T6489] done [ 38.369599][ T6489] bcachefs (loop0): check_subvols... done [ 38.370837][ T6489] bcachefs (loop0): check_subvol_children... done [ 38.371408][ T6489] bcachefs (loop0): delete_dead_snapshots... done [ 38.372005][ T6489] bcachefs (loop0): check_inodes... done [ 38.372994][ T6489] bcachefs (loop0): check_extents... done [ 38.373884][ T6489] bcachefs (loop0): check_indirect_extents... done [ 38.374409][ T6489] bcachefs (loop0): check_dirents... done [ 38.378263][ T6489] bcachefs (loop0): check_xattrs... done [ 38.384800][ T6489] bcachefs (loop0): check_root... done [ 38.387053][ T6489] bcachefs (loop0): check_unreachable_inodes... done [ 38.387752][ T6489] bcachefs (loop0): check_subvolume_structure... done [ 38.388273][ T6489] bcachefs (loop0): check_directory_structure... done [ 38.390029][ T6489] bcachefs (loop0): check_extents_to_backpointers... [ 38.390667][ T6489] bcachefs (loop0): scanning for missing backpointers in 1/128 buckets [ 38.391575][ T6499] bcachefs (loop0): Detected missing backpointers in bucket 34, now have 1/128 with missing [ 38.391594][ T6499] running recovery pass check_extents_to_backpointers (17), currently at check_directory_structure (36) [ 38.391815][ T6499] bcachefs (loop0): Detected missing backpointers in bucket 34, now have 1/128 with missing [ 38.392439][ T6489] done [ 38.392918][ T6489] bcachefs (loop0): check_nlinks... done [ 38.393770][ T6489] bcachefs (loop0): check_rebalance_work... done [ 38.394455][ T6489] bcachefs (loop0): resume_logged_ops... done [ 38.396162][ T6489] bcachefs (loop0): delete_dead_inodes... done [ 38.396779][ T6489] bcachefs (loop0): set_fs_needs_rebalance... done [ 38.406801][ T6489] bcachefs (loop0): Fixed errors, running fsck a second time to verify fs is clean [ 38.406834][ T6489] bcachefs (loop0): check_alloc_info... done [ 38.409576][ T6489] bcachefs (loop0): check_lrus... done [ 38.410254][ T6489] bcachefs (loop0): check_btree_backpointers... done [ 38.411128][ T6489] bcachefs (loop0): check_backpointers_to_extents... done [ 38.412263][ T6489] bcachefs (loop0): check_extents_to_backpointers... [ 38.412771][ T6489] bcachefs (loop0): scanning for missing backpointers in 1/128 buckets [ 38.413644][ T6489] done [ 38.414145][ T6489] bcachefs (loop0): check_alloc_to_lru_refs... done [ 38.416375][ T6489] bcachefs (loop0): bucket_gens_init... done [ 38.417758][ T6489] bcachefs (loop0): check_snapshot_trees... done [ 38.418455][ T6489] bcachefs (loop0): check_snapshots... done [ 38.419132][ T6489] bcachefs (loop0): check_subvols... done [ 38.419688][ T6489] bcachefs (loop0): check_subvol_children... done [ 38.420228][ T6489] bcachefs (loop0): delete_dead_snapshots... done [ 38.420736][ T6489] bcachefs (loop0): check_inodes... done [ 38.421462][ T6489] bcachefs (loop0): check_extents... done [ 38.422299][ T6489] bcachefs (loop0): check_indirect_extents... done [ 38.422844][ T6489] bcachefs (loop0): check_dirents... done [ 38.423776][ T6489] bcachefs (loop0): check_xattrs... done [ 38.424338][ T6489] bcachefs (loop0): check_root... done executing program [ 38.426182][ T6489] bcachefs (loop0): check_unreachable_inodes... done [ 38.426813][ T6489] bcachefs (loop0): check_subvolume_structure... done [ 38.427338][ T6489] bcachefs (loop0): check_directory_structure... done [ 38.428011][ T6489] bcachefs (loop0): check_nlinks... done [ 38.428846][ T6489] bcachefs (loop0): check_rebalance_work... done [ 38.429411][ T6489] bcachefs (loop0): resume_logged_ops... done [ 38.429927][ T6489] bcachefs (loop0): delete_dead_inodes... done [ 38.430511][ T6489] bcachefs (loop0): set_fs_needs_rebalance... done [ 38.432967][ T6489] bcachefs (loop0): done starting filesystem executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program