u64s 5 type deleted 4099:8:U32_MAX len 0 ver 0, fixing
 done
bcachefs (loop0): check_inodes...
bcachefs (loop0): key in missing snapshot running recovery pass check_snapshots (23), currently at check_inodes (28) - rewinding
  running recovery pass check_subvols (24), currently at check_inodes (28) - rewinding
  inodes u64s 16 type inode_v3 0:4096:U32_MAX len 0 ver 0: 
    mode=40755
    flags=(16300000)
    journal_seq=4
    hash_seed=28e4f092a4fc58ee
    hash_type=siphash
    bi_size=0
    bi_sectors=0
    bi_version=0
    bi_atime=264498620
    bi_ctime=2780562352
    bi_mtime=2780562352
    bi_otime=200535484
    bi_uid=0
    bi_gid=0
    bi_nlink=2
    bi_generation=0
    bi_dev=0
    bi_data_checksum=0
    bi_compression=0
    bi_project=0
    bi_background_compression=0
    bi_data_replicas=0
    bi_promote_target=0
    bi_foreground_target=0
    bi_background_target=0
    bi_erasure_code=0
    bi_fields_set=0
    bi_dir=0
    bi_dir_offset=0
    bi_subvol=1
    bi_parent_subvol=0
    bi_nocow=0
    bi_depth=0
    bi_inodes_32bit=0
    bi_casefold=0, continuing
bcachefs (loop0): check_inode(): error fsck_errors_not_fixed
bcachefs (loop0): bch2_check_inodes(): error fsck_errors_not_fixed
bcachefs (loop0): check_snapshots... done
bcachefs (loop0): check_subvols...
bcachefs (loop0): running recovery pass reconstruct_snapshots (21), currently at check_subvols (24) - rewinding
bcachefs (loop0): bch2_check_subvols(): error restart_recovery
bcachefs (loop0): reconstruct_snapshots...
bcachefs (loop0): snapshot node 4294905343 from tree 4294905343 missing, recreating
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5362 at fs/bcachefs/btree_iter.c:3194 __bch2_trans_kmalloc+0x50f/0x9d0 fs/bcachefs/btree_iter.c:3194
Modules linked in:
CPU: 0 UID: 0 PID: 5362 Comm: syz.0.0 Not tainted 6.17.0-rc1-syzkaller-00111-g24ea63ea3877 #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_trans_kmalloc+0x50f/0x9d0 fs/bcachefs/btree_iter.c:3194
Code: 00 28 00 00 e8 d2 5b 35 00 48 c7 c0 75 f7 ff ff 48 83 c4 48 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 82 23 95 fd 90 <0f> 0b 90 e9 d3 fb ff ff e8 74 23 95 fd 90 0f 0b 90 e9 dc fd ff ff
RSP: 0018:ffffc9000d2ce290 EFLAGS: 00010246
RAX: ffffffff842a97be RBX: ffff8880558dc000 RCX: 0000000000100000
RDX: ffffc9000e14a000 RSI: 00000000000fffff RDI: 0000000000100000
RBP: 0000000000020000 R08: ffffc9000d2ce690 R09: 0000000000000001
R10: ffffc9000d2ce5a0 R11: fffff52001a59c81 R12: dffffc0000000000
R13: ffff8880558dc030 R14: 1ffff1100ab1b800 R15: 0000000000000011
FS:  00007f5640f406c0(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558d81a06020 CR3: 0000000042c11000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 bch2_trans_kmalloc_nomemzero_ip fs/bcachefs/btree_iter.h:586 [inline]
 bch2_trans_kmalloc_nomemzero fs/bcachefs/btree_iter.h:621 [inline]
 bch2_alloc_sectors_start_trans+0x1d59/0x1e80 fs/bcachefs/alloc_foreground.c:1251
 __bch2_btree_node_alloc fs/bcachefs/btree_update_interior.c:320 [inline]
 bch2_btree_reserve_get+0x641/0x1810 fs/bcachefs/btree_update_interior.c:534
 bch2_btree_update_start+0x18ff/0x1de0 fs/bcachefs/btree_update_interior.c:1289
 bch2_btree_split_leaf+0x14b/0x8e0 fs/bcachefs/btree_update_interior.c:1921
 bch2_trans_commit_error+0x1b7/0x1130 fs/bcachefs/btree_trans_commit.c:914
 __bch2_trans_commit+0x1bb5/0x8870 fs/bcachefs/btree_trans_commit.c:1104
 bch2_trans_commit fs/bcachefs/btree_update.h:241 [inline]
 bch2_reconstruct_snapshots+0x1ae6/0x2170 fs/bcachefs/snapshot.c:1017
 bch2_run_recovery_pass fs/bcachefs/recovery_passes.c:484 [inline]
 __bch2_run_recovery_passes+0x3ba/0x1060 fs/bcachefs/recovery_passes.c:539
 bch2_run_recovery_passes+0x184/0x210 fs/bcachefs/recovery_passes.c:610
 bch2_fs_recovery+0x2690/0x3a50 fs/bcachefs/recovery.c:1016
 bch2_fs_start+0xaaf/0xda0 fs/bcachefs/super.c:1213
 bch2_fs_get_tree+0xb39/0x1520 fs/bcachefs/fs.c:2488
 vfs_get_tree+0x8f/0x2b0 fs/super.c:1815
 do_new_mount+0x2a2/0x9e0 fs/namespace.c:3805
 do_mount fs/namespace.c:4133 [inline]
 __do_sys_mount fs/namespace.c:4344 [inline]
 __se_sys_mount+0x317/0x410 fs/namespace.c:4321
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f564019038a
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:00007f5640f3fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f5640f3fef0 RCX: 00007f564019038a
RDX: 0000200000000000 RSI: 0000200000005900 RDI: 00007f5640f3feb0
RBP: 0000200000000000 R08: 00007f5640f3fef0 R09: 000000000000000b
R10: 000000000000000b R11: 0000000000000246 R12: 0000200000005900
R13: 00007f5640f3feb0 R14: 000000000000594c R15: 00002000000006c0
 </TASK>