loop0: detected capacity change from 0 to 32768 bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=ro,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names,read_only invalid bkey u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 7589ab5e0c11cc7a written 24 min_key POS_MIN durability: 0 crc: c_size 2 size 39 offset 0 nonce 0 csum none 0:10002000b compress none has non ptr field: delete?, fixing bcachefs (loop0): recovering from clean shutdown, journal seq 10 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 1.13: inode_has_child_snapshots 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 ------------[ cut here ]------------ kernel BUG at fs/bcachefs/extents.h:62! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted 6.12.0-rc6-syzkaller-00192-gf1dce1f09380 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:extent_entry_type fs/bcachefs/extents.h:62 [inline] RIP: 0010:bch2_ptr_swab+0x4f6/0x510 fs/bcachefs/extents.c:1367 Code: 10 0f cf fd e9 ae fb ff ff 44 89 f1 80 e1 07 38 c1 0f 8c 5f fc ff ff 4c 89 f7 e8 f5 0e cf fd e9 52 fc ff ff e8 7b 49 65 fd 90 <0f> 0b e8 73 49 65 fd 90 0f 0b e8 6b 49 65 fd 90 0f 0b 0f 1f 84 00 RSP: 0018:ffffc9000d3be4a0 EFLAGS: 00010287 RAX: ffffffff842f90e5 RBX: 0000000000000024 RCX: 0000000000040000 RDX: ffffc9000d781000 RSI: 0000000000030402 RDI: 0000000000030403 RBP: 1e0e005000000000 R08: ffffffff842f8dd3 R09: ffffffff842f8c3e R10: 0000000000000005 R11: ffff88801f01c880 R12: dffffc0000000000 R13: ffff888051ee1050 R14: ffff888051ee1060 R15: 1ffff1100a3dc20a FS: 00007f999cffe6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005620cdc99830 CR3: 0000000042f08000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_bkey_swab_val fs/bcachefs/bkey_methods.c:323 [inline] __bch2_bkey_compat+0x4a2/0xfe0 fs/bcachefs/bkey_methods.c:469 bch2_bkey_compat fs/bcachefs/bkey_methods.h:133 [inline] validate_bset_keys+0x617/0x1610 fs/bcachefs/btree_io.c:908 bch2_btree_node_read_done+0x2402/0x5e90 fs/bcachefs/btree_io.c:1134 btree_node_read_work+0x68b/0x1260 fs/bcachefs/btree_io.c:1327 bch2_btree_node_read+0x2433/0x2a10 __bch2_btree_root_read fs/bcachefs/btree_io.c:1753 [inline] bch2_btree_root_read+0x617/0x7a0 fs/bcachefs/btree_io.c:1775 read_btree_roots+0x296/0x840 fs/bcachefs/recovery.c:523 bch2_fs_recovery+0x2585/0x39d0 fs/bcachefs/recovery.c:853 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1036 bch2_fs_get_tree+0xd68/0x1710 fs/bcachefs/fs.c:2170 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4034 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f999d57feba 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:00007f999cffde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f999cffdef0 RCX: 00007f999d57feba RDX: 00000000200058c0 RSI: 0000000020000000 RDI: 00007f999cffdeb0 RBP: 00000000200058c0 R08: 00007f999cffdef0 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000020000000 R13: 00007f999cffdeb0 R14: 00000000000058d9 R15: 0000000020000240 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:extent_entry_type fs/bcachefs/extents.h:62 [inline] RIP: 0010:bch2_ptr_swab+0x4f6/0x510 fs/bcachefs/extents.c:1367 Code: 10 0f cf fd e9 ae fb ff ff 44 89 f1 80 e1 07 38 c1 0f 8c 5f fc ff ff 4c 89 f7 e8 f5 0e cf fd e9 52 fc ff ff e8 7b 49 65 fd 90 <0f> 0b e8 73 49 65 fd 90 0f 0b e8 6b 49 65 fd 90 0f 0b 0f 1f 84 00 RSP: 0018:ffffc9000d3be4a0 EFLAGS: 00010287 RAX: ffffffff842f90e5 RBX: 0000000000000024 RCX: 0000000000040000 RDX: ffffc9000d781000 RSI: 0000000000030402 RDI: 0000000000030403 RBP: 1e0e005000000000 R08: ffffffff842f8dd3 R09: ffffffff842f8c3e R10: 0000000000000005 R11: ffff88801f01c880 R12: dffffc0000000000 R13: ffff888051ee1050 R14: ffff888051ee1060 R15: 1ffff1100a3dc20a FS: 00007f999cffe6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005568f37d3008 CR3: 0000000042f08000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400