loop0: detected capacity change from 0 to 32768
bcachefs (/dev/loop0): error reading default superblock: Unsupported superblock version 0.0: (unknown version) (min 0.9: (unknown version), max 1.13: inode_has_child_snapshots)
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): Doing compatible version upgrade from 1.7: mi_btree_bitmap to 1.13: inode_has_child_snapshots
  running recovery passes: check_allocations,check_inodes
------------[ cut here ]------------
kernel BUG at fs/bcachefs/bkey_cmp.h:104!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Not tainted 6.12.0-rc4-syzkaller-00261-g850925a8133c #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:__bch2_bkey_cmp_packed_format_checked_inlined fs/bcachefs/bkey_cmp.h:103 [inline]
RIP: 0010:bch2_bkey_cmp_packed_inlined fs/bcachefs/bkey_cmp.h:116 [inline]
RIP: 0010:bch2_bkey_cmp_packed+0xc9c/0xcb0 fs/bcachefs/bkey.c:1037
Code: 0a 86 b5 07 e8 c5 79 83 fd 90 0f 0b e8 bd 79 83 fd 90 0f 0b e8 b5 79 83 fd 90 0f 0b e8 ad 79 83 fd 90 0f 0b e8 a5 79 83 fd 90 <0f> 0b e8 9d 79 83 fd 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90
RSP: 0018:ffffc9000d296620 EFLAGS: 00010283
RAX: ffffffff841170cb RBX: 1ffff92001a52ccc RCX: 0000000000040000
RDX: ffffc9000d6b1000 RSI: 0000000000031f25 RDI: 0000000000031f26
RBP: ffffc9000d2967b0 R08: ffffffff8411696e R09: 0000000000000000
R10: ffffc9000d2966c0 R11: fffff52001a52cda R12: 00000000ffffffff
R13: 364061da5fb32caa R14: f4189c38a1f22200 R15: ffffc9000d2966c0
FS:  00007fdd995536c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdd9890d538 CR3: 000000004fbfa000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bkey_iter_cmp fs/bcachefs/bset.h:372 [inline]
 validate_bset_keys+0xbb1/0x1610 fs/bcachefs/btree_io.c:925
 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:524
 bch2_fs_recovery+0x2585/0x39c0 fs/bcachefs/recovery.c:854
 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:1800
 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: 0033:0x7fdd9877feba
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:00007fdd99552e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fdd99552ef0 RCX: 00007fdd9877feba
RDX: 0000000020000040 RSI: 0000000020000080 RDI: 00007fdd99552eb0
RBP: 0000000020000040 R08: 00007fdd99552ef0 R09: 0000000002200006
R10: 0000000002200006 R11: 0000000000000246 R12: 0000000020000080
R13: 00007fdd99552eb0 R14: 00000000000059ef R15: 0000000020000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__bch2_bkey_cmp_packed_format_checked_inlined fs/bcachefs/bkey_cmp.h:103 [inline]
RIP: 0010:bch2_bkey_cmp_packed_inlined fs/bcachefs/bkey_cmp.h:116 [inline]
RIP: 0010:bch2_bkey_cmp_packed+0xc9c/0xcb0 fs/bcachefs/bkey.c:1037
Code: 0a 86 b5 07 e8 c5 79 83 fd 90 0f 0b e8 bd 79 83 fd 90 0f 0b e8 b5 79 83 fd 90 0f 0b e8 ad 79 83 fd 90 0f 0b e8 a5 79 83 fd 90 <0f> 0b e8 9d 79 83 fd 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90
RSP: 0018:ffffc9000d296620 EFLAGS: 00010283
RAX: ffffffff841170cb RBX: 1ffff92001a52ccc RCX: 0000000000040000
RDX: ffffc9000d6b1000 RSI: 0000000000031f25 RDI: 0000000000031f26
RBP: ffffc9000d2967b0 R08: ffffffff8411696e R09: 0000000000000000
R10: ffffc9000d2966c0 R11: fffff52001a52cda R12: 00000000ffffffff
R13: 364061da5fb32caa R14: f4189c38a1f22200 R15: ffffc9000d2966c0
FS:  00007fdd995536c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdd9890d538 CR3: 000000004fbfa000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400