node offset 16/61441: btree node data missing: expected 61441 sectors, found 16, fixing
bcachefs (loop2): btree_node_read_work: rewriting btree node at btree=xattrs level=0 SPOS_MAX due to error
bcachefs (loop2): error validating btree node at btree alloc level 0/0
  u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq ac62141f8dc7e261 written 24 min_key POS_MIN durability: 1 ptr: 0:26:0 gen 0
  node offset 16/24 bset u64s 60: invalid bkey: nonzero snapshot
  u64s 12 type dirent 0:0:32365 len 0 ver 0:  -> 6 type (bad d_type), fixing
------------[ cut here ]------------
kernel BUG at fs/bcachefs/bkey.c:273!
invalid opcode: 0000 [#1] PREEMPT SMP PTI
CPU: 1 PID: 3347 Comm: syz.2.16 Not tainted 6.7.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__bch2_bkey_unpack_key+0x24a/0x260 fs/bcachefs/bkey.c:273
Code: 48 d3 ee 44 29 d3 4d 8b 41 f8 49 d1 e8 40 28 df 89 f9 49 d3 e8 49 09 f0 49 01 d0 4c 89 40 04 5b 5d c3 cc cc cc cc 90 0f 0b 90 <0f> 0b 90 0f 0b 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00
RSP: 0018:ffffc900037bf410 EFLAGS: 00010293
RAX: ffffc900037bf428 RBX: ffff88810ff62170 RCX: ffff88810ff62208
RDX: ffff88810ff62170 RSI: ffff88810230b4c0 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000006 R09: 0000000000000002
R10: 0000000000000003 R11: 0000000000000000 R12: ffff88810ff62010
R13: ffff88810df80000 R14: ffff88810df80000 R15: ffff88810230b400
FS:  00007fe5c884b6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005634c66d1638 CR3: 0000000108b34000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __bkey_unpack_key_format_checked fs/bcachefs/bkey.h:454 [inline]
 __bkey_unpack_key fs/bcachefs/bkey.h:473 [inline]
 __bkey_disassemble fs/bcachefs/bkey.h:524 [inline]
 __bkey_valid+0xe5/0x1a0 fs/bcachefs/btree_io.c:845
 validate_bset_keys+0x66a/0x820 fs/bcachefs/btree_io.c:945
 bch2_btree_node_read_done+0xa08/0x1550 fs/bcachefs/btree_io.c:1113
 btree_node_read_work+0x238/0x4f0 fs/bcachefs/btree_io.c:1306
 bch2_btree_node_read+0xade/0xd20
 __bch2_btree_root_read fs/bcachefs/btree_io.c:1725 [inline]
 bch2_btree_root_read+0x1da/0x300 fs/bcachefs/btree_io.c:1749
 read_btree_roots+0xd4/0x1b0 fs/bcachefs/recovery.c:408
 bch2_fs_recovery+0x107c/0x16c0 fs/bcachefs/recovery.c:970
 bch2_fs_start+0x120/0x230 fs/bcachefs/super.c:1012
 bch2_fs_open+0x436/0x560 fs/bcachefs/super.c:2062
 bch2_mount+0x26c/0x5b0 fs/bcachefs/fs.c:1831
 legacy_get_tree+0x2d/0x60 fs/fs_context.c:662
 vfs_get_tree+0x2a/0xf0 fs/super.c:1771
 do_new_mount+0x153/0x3a0 fs/namespace.c:3337
 do_mount fs/namespace.c:3677 [inline]
 __do_sys_mount fs/namespace.c:3886 [inline]
 __se_sys_mount+0x14b/0x1c0 fs/namespace.c:3863
 do_syscall_64+0x4d/0x120
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fe5c79874ca
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:00007fe5c884ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fe5c884aef0 RCX: 00007fe5c79874ca
RDX: 00000000200058c0 RSI: 0000000020005900 RDI: 00007fe5c884aeb0
RBP: 00000000200058c0 R08: 00007fe5c884aef0 R09: 0000000000800000
R10: 0000000000800000 R11: 0000000000000246 R12: 0000000020005900
R13: 00007fe5c884aeb0 R14: 00000000000059f7 R15: 0000000020000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__bch2_bkey_unpack_key+0x24a/0x260 fs/bcachefs/bkey.c:273
Code: 48 d3 ee 44 29 d3 4d 8b 41 f8 49 d1 e8 40 28 df 89 f9 49 d3 e8 49 09 f0 49 01 d0 4c 89 40 04 5b 5d c3 cc cc cc cc 90 0f 0b 90 <0f> 0b 90 0f 0b 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00
RSP: 0018:ffffc900037bf410 EFLAGS: 00010293
RAX: ffffc900037bf428 RBX: ffff88810ff62170 RCX: ffff88810ff62208
RDX: ffff88810ff62170 RSI: ffff88810230b4c0 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000006 R09: 0000000000000002
R10: 0000000000000003 R11: 0000000000000000 R12: ffff88810ff62010
R13: ffff88810df80000 R14: ffff88810df80000 R15: ffff88810230b400
FS:  00007fe5c884b6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005634c66d1638 CR3: 0000000108b34000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400