bcachefs (loop0): Version upgrade required:
Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete
Doing incompatible version upgrade from 0.24: unwritten_extents to 1.25: extent_flags
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,set_fs_needs_rebalance
bcachefs (loop0): dropping and reconstructing all alloc info
bcachefs (loop0): accounting_read... done
bcachefs (loop0): alloc_read... done
bcachefs (loop0): snapshots_read... done
bcachefs (loop0): check_allocations...
bcachefs (loop0): pointer to nonexistent device 237
bcachefs (loop0): pointer to missing device 237
while marking u64s 7 type extent 536870913:24:U32_MAX len 24 ver 0: durability: 0 crc: c_size 8 size 24 offset 0 nonce 0 csum none 0:0 compress lz4 ptr: 237:893353206280 gen 0, fixing
done
bcachefs (loop0): going read-write
bcachefs (loop0): journal_replay... done
bcachefs (loop0): check_alloc_info... done
bcachefs (loop0): check_lrus... done
bcachefs (loop0): check_btree_backpointers... done
bcachefs (loop0): check_backpointers_to_extents... done
bcachefs (loop0): check_extents_to_backpointers...
bcachefs (loop0): scanning for missing backpointers in 9/128 buckets
done
bcachefs (loop0): check_alloc_to_lru_refs... done
bcachefs (loop0): bucket_gens_init... done
bcachefs (loop0): check_snapshot_trees... done
bcachefs (loop0): check_snapshots...
bcachefs (loop0): snapshot points to missing/incorrect tree:
u64s 8 type snapshot 0:4294967295:0 len 0 ver 0: is_subvol 1 deleted 0 parent 0 children 0 0 subvol 1 tree 0, fixing
done
bcachefs (loop0): check_subvols... done
bcachefs (loop0): check_subvol_children... done
bcachefs (loop0): delete_dead_snapshots... done
bcachefs (loop0): check_inodes... done
bcachefs (loop0): check_extents... done
bcachefs (loop0): check_indirect_extents... done
bcachefs (loop0): check_dirents... done
bcachefs (loop0): check_xattrs... done
bcachefs (loop0): check_root... done
bcachefs (loop0): check_unreachable_inodes... done
bcachefs (loop0): check_subvolume_structure... done
bcachefs (loop0): check_directory_structure... done
bcachefs (loop0): check_nlinks...
bcachefs (loop0): inode 536870914 type reg has wrong i_nlink (2780562353, should be 1), fixing
done
bcachefs (loop0): resume_logged_ops... done
bcachefs (loop0): delete_dead_inodes... done
bcachefs (loop0): set_fs_needs_rebalance... done
bcachefs (loop0): done starting filesystem
------------[ cut here ]------------
kernel BUG at fs/bcachefs/fs.c:1327!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5313 Comm: syz.0.0 Not tainted 6.15.0-rc3-syzkaller-00244-gc3137514f1f1 #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:bch2_fill_extent+0x96e/0x970 fs/bcachefs/fs.c:1327
Code: 0f 0b e8 d5 c2 8d fd 90 0f 0b e8 cd c2 8d fd e9 f7 fe ff ff e8 c3 c2 8d fd 90 0f 0b e8 bb c2 8d fd 90 0f 0b e8 b3 c2 8d fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa
RSP: 0018:ffffc9000d6c7420 EFLAGS: 00010287
RAX: ffffffff8431fbed RBX: 0000000000000014 RCX: 0000000000100000
RDX: ffffc9000e0f2000 RSI: 00000000000015b3 RDI: 00000000000015b4
RBP: 0000000000000001 R08: ffff88801f690000 R09: 0000000000000004
R10: 0000000000000012 R11: 0000000000000002 R12: 0000000000000000
R13: ffffc9000d6c78a8 R14: 0000000000000002 R15: 0000000000000002
FS: 00007fc1fa9426c0(0000) GS:ffff88808d6cd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc1f9dae0a0 CR3: 000000003f77c000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
bch2_fiemap+0x2764/0x2970 fs/bcachefs/fs.c:1540
ioctl_fiemap fs/ioctl.c:220 [inline]
do_vfs_ioctl+0x1638/0x1eb0 fs/ioctl.c:840
__do_sys_ioctl fs/ioctl.c:904 [inline]
__se_sys_ioctl+0x82/0x170 fs/ioctl.c:892
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc1f9b8e969
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc1fa942038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc1f9db5fa0 RCX: 00007fc1f9b8e969
RDX: 0000200000000100 RSI: 00000000c020660b RDI: 0000000000000004
RBP: 00007fc1f9c10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc1f9db5fa0 R15: 00007fff94ccddb8
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bch2_fill_extent+0x96e/0x970 fs/bcachefs/fs.c:1327
Code: 0f 0b e8 d5 c2 8d fd 90 0f 0b e8 cd c2 8d fd e9 f7 fe ff ff e8 c3 c2 8d fd 90 0f 0b e8 bb c2 8d fd 90 0f 0b e8 b3 c2 8d fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa
RSP: 0018:ffffc9000d6c7420 EFLAGS: 00010287
RAX: ffffffff8431fbed RBX: 0000000000000014 RCX: 0000000000100000
RDX: ffffc9000e0f2000 RSI: 00000000000015b3 RDI: 00000000000015b4
RBP: 0000000000000001 R08: ffff88801f690000 R09: 0000000000000004
R10: 0000000000000012 R11: 0000000000000002 R12: 0000000000000000
R13: ffffc9000d6c78a8 R14: 0000000000000002 R15: 0000000000000002
FS: 00007fc1fa9426c0(0000) GS:ffff88808d6cd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc1f9dae0a0 CR3: 000000003f77c000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400