loop0: detected capacity change from 0 to 32768 bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names 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 bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): stripes_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): check_allocations... 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... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/bkey_types.h:210! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted 6.12.0-rc6-syzkaller #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:bkey_s_c_to_backpointer fs/bcachefs/bkey_types.h:210 [inline] RIP: 0010:bch2_check_backpointers_to_extents_pass fs/bcachefs/backpointers.c:1003 [inline] RIP: 0010:bch2_check_backpointers_to_extents+0x240a/0x2430 fs/bcachefs/backpointers.c:1049 Code: 48 8b 4c 24 38 80 e1 07 38 c1 0f 8c b7 dd ff ff be 18 00 00 00 48 8b 7c 24 38 e8 d1 4e ee fd e9 a3 dd ff ff e8 77 87 84 fd 90 <0f> 0b e8 6f 87 84 fd 90 0f 0b e8 b7 e3 b6 07 e8 62 87 84 fd 90 0f RSP: 0018:ffffc9000d056d80 EFLAGS: 00010246 RAX: ffffffff841052e9 RBX: ffff888052d800b8 RCX: 0000000000040000 RDX: ffffc9000d8e2000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc9000d057488 R08: ffffffff84103e5e R09: 0000000000000000 R10: ffffc9000d056780 R11: fffff52001a0acfd R12: 0000000000000028 R13: ffffc9000d057280 R14: dffffc0000000000 R15: ffff8880523b8000 FS: 00007f7bfdc006c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcacf7afa8 CR3: 00000000331a8000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:185 bch2_run_recovery_passes+0x387/0x870 fs/bcachefs/recovery_passes.c:232 bch2_fs_recovery+0x25cc/0x39c0 fs/bcachefs/recovery.c:861 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: 0033:0x7f7bfcd7feba 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:00007f7bfdbffe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7bfdbffef0 RCX: 00007f7bfcd7feba RDX: 00000000200058c0 RSI: 0000000020005900 RDI: 00007f7bfdbffeb0 RBP: 00000000200058c0 R08: 00007f7bfdbffef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020005900 R13: 00007f7bfdbffeb0 R14: 0000000000005909 R15: 0000000020000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bkey_s_c_to_backpointer fs/bcachefs/bkey_types.h:210 [inline] RIP: 0010:bch2_check_backpointers_to_extents_pass fs/bcachefs/backpointers.c:1003 [inline] RIP: 0010:bch2_check_backpointers_to_extents+0x240a/0x2430 fs/bcachefs/backpointers.c:1049 Code: 48 8b 4c 24 38 80 e1 07 38 c1 0f 8c b7 dd ff ff be 18 00 00 00 48 8b 7c 24 38 e8 d1 4e ee fd e9 a3 dd ff ff e8 77 87 84 fd 90 <0f> 0b e8 6f 87 84 fd 90 0f 0b e8 b7 e3 b6 07 e8 62 87 84 fd 90 0f RSP: 0018:ffffc9000d056d80 EFLAGS: 00010246 RAX: ffffffff841052e9 RBX: ffff888052d800b8 RCX: 0000000000040000 RDX: ffffc9000d8e2000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc9000d057488 R08: ffffffff84103e5e R09: 0000000000000000 R10: ffffc9000d056780 R11: fffff52001a0acfd R12: 0000000000000028 R13: ffffc9000d057280 R14: dffffc0000000000 R15: ffff8880523b8000 FS: 00007f7bfdc006c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcacf7afa8 CR3: 00000000331a8000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400