bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=extents level=0 POS_MIN - SPOS_MAX bcachefs (loop0): bch2_get_scanned_nodes(): recovering 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 bcachefs (loop0): btree root deleted_inodes unreadable, must recover from scan bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=deleted_inodes level=0 POS_MIN - SPOS_MAX bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 U64_MAX:U64_MAX:4278386687 len 0 ver 0: seq ac62141f8dc7e261 written 24 min_key POS_MIN durability: 1 ptr: 0:26:0 gen 0 bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 1db8f60c84bb244c written 8 min_key R U64_MAX:U64_MAX:4278386688 durability: 1 ptr: 0:42:0 gen 0 done bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): check_allocations... bucket 0:1 gen 0 different types of data in same bucket: sb, user while marking u64s 7 type extent 536870913:24:U32_MAX len 24 ver 0: durability: 1 crc: c_size 8 size 24 offset 0 nonce 0 csum none 0:0 compress lz4 ptr: 0:1:88 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 7/128 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... 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 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... 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... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_iter.c:268! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.14.0-syzkaller-10167-g93d52288679e #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_btree_iter_verify_entry_exit+0xb20/0xb60 fs/bcachefs/btree_iter.c:267 Code: 51 fa ff ff 44 89 f1 80 e1 07 38 c1 0f 8c 56 fa ff ff be 08 00 00 00 4c 89 f7 e8 ab fe d5 fd e9 44 fa ff ff e8 f1 c2 6d fd 90 <0f> 0b e8 e9 c2 6d fd 90 0f 0b e8 e1 c2 6d fd 90 0f 0b e8 d9 c2 6d RSP: 0018:ffffc9000d5feaf8 EFLAGS: 00010246 RAX: ffffffff8455a7ff RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000ed72000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: dffffc0000000000 R08: ffffffff84559d68 R09: 0000000000000000 R10: ffffc9000d5fe940 R11: fffff52001abfd2d R12: 0000000000000820 R13: dffffc0000000000 R14: ffffc9000d5ff060 R15: ffffc9000d5ff060 FS: 00007f9c3896a6c0(0000) GS:ffff88808c5b7000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055ea862a20c8 CR3: 0000000036d1e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_btree_iter_peek_slot+0x18f/0x27e0 fs/bcachefs/btree_iter.c:2747 __bch2_bkey_get_iter fs/bcachefs/btree_iter.h:592 [inline] bch2_bkey_get_iter fs/bcachefs/btree_iter.h:606 [inline] may_delete_deleted_inode fs/bcachefs/inode.c:1321 [inline] bch2_delete_dead_inodes+0x9da/0x23c0 fs/bcachefs/inode.c:1421 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:226 bch2_run_recovery_passes+0x2ad/0xa90 fs/bcachefs/recovery_passes.c:291 bch2_fs_recovery+0x292a/0x3e20 fs/bcachefs/recovery.c:936 bch2_fs_start+0x37c/0x620 fs/bcachefs/super.c:1057 bch2_fs_get_tree+0x1270/0x18d0 fs/bcachefs/fs.c:2253 vfs_get_tree+0x90/0x2b0 fs/super.c:1759 do_new_mount+0x2cf/0xb70 fs/namespace.c:3878 do_mount fs/namespace.c:4218 [inline] __do_sys_mount fs/namespace.c:4429 [inline] __se_sys_mount+0x38c/0x400 fs/namespace.c:4406 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9c37b8e90a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f9c38969e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f9c38969ef0 RCX: 00007f9c37b8e90a RDX: 00002000000000c0 RSI: 0000200000000000 RDI: 00007f9c38969eb0 RBP: 00002000000000c0 R08: 00007f9c38969ef0 R09: 0000000001810000 R10: 0000000001810000 R11: 0000000000000246 R12: 0000200000000000 R13: 00007f9c38969eb0 R14: 0000000000005979 R15: 0000200000000100 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_btree_iter_verify_entry_exit+0xb20/0xb60 fs/bcachefs/btree_iter.c:267 Code: 51 fa ff ff 44 89 f1 80 e1 07 38 c1 0f 8c 56 fa ff ff be 08 00 00 00 4c 89 f7 e8 ab fe d5 fd e9 44 fa ff ff e8 f1 c2 6d fd 90 <0f> 0b e8 e9 c2 6d fd 90 0f 0b e8 e1 c2 6d fd 90 0f 0b e8 d9 c2 6d RSP: 0018:ffffc9000d5feaf8 EFLAGS: 00010246 RAX: ffffffff8455a7ff RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffffc9000ed72000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: dffffc0000000000 R08: ffffffff84559d68 R09: 0000000000000000 R10: ffffc9000d5fe940 R11: fffff52001abfd2d R12: 0000000000000820 R13: dffffc0000000000 R14: ffffc9000d5ff060 R15: ffffc9000d5ff060 FS: 00007f9c3896a6c0(0000) GS:ffff88808c5b7000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd90213c580 CR3: 0000000036d1e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400