allowing incompatible features above 0.0: (unknown version)
  features: lz4,new_siphash,inline_data,new_extent_overwrite,btree_ptr_v2,new_varint,journal_no_flush,alloc_v2,extents_across_btree_nodes
bcachefs (loop0): Using encoding defined by superblock: utf8-12.1.0
bcachefs (loop0): initializing new filesystem
bcachefs (loop0): going read-write
bcachefs (loop0): marking superblocks
bcachefs (loop0): initializing freespace
bcachefs (loop0): done initializing freespace
bcachefs (loop0): reading snapshots table
bcachefs (loop0): reading snapshots done
bcachefs (loop0):  loop0: Superblock write was silently dropped! (seq 0 expected 42)
bcachefs (loop0): done starting filesystem
bcachefs (loop0): going read-only
bcachefs (loop0): finished waiting for writes to stop
bcachefs (loop0): flushing journal and stopping allocators, journal seq 2
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted 6.16.0-rc1-syzkaller-00239-g08215f5486ec #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
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 fail_dump lib/fault-inject.c:73 [inline]
 should_fail_ex+0x414/0x560 lib/fault-inject.c:174
 should_failslab+0xa8/0x100 mm/failslab.c:46
 slab_pre_alloc_hook mm/slub.c:4101 [inline]
 slab_alloc_node mm/slub.c:4177 [inline]
 __do_kmalloc_node mm/slub.c:4327 [inline]
 __kvmalloc_node_noprof+0x161/0x5f0 mm/slub.c:5015
 __bch2_darray_resize_noprof+0xd7/0x290 fs/bcachefs/darray.c:24
 bch2_accounting_key_to_wb_slowpath fs/bcachefs/btree_write_buffer.c:716 [inline]
 bch2_accounting_key_to_wb fs/bcachefs/btree_write_buffer.h:61 [inline]
 bch2_journal_key_to_wb fs/bcachefs/btree_write_buffer.h:95 [inline]
 bch2_journal_keys_to_write_buffer fs/bcachefs/btree_write_buffer.c:515 [inline]
 fetch_wb_keys_from_journal fs/bcachefs/btree_write_buffer.c:535 [inline]
 btree_write_buffer_flush_seq+0x11b6/0x19a0 fs/bcachefs/btree_write_buffer.c:564
 bch2_btree_write_buffer_flush_going_ro+0xdb/0x130 fs/bcachefs/btree_write_buffer.c:612
 __bch2_fs_read_only+0x127/0x5b0 fs/bcachefs/super.c:291
 bch2_fs_read_only+0x42a/0xb00 fs/bcachefs/super.c:367
 bch2_fs_reconfigure+0x1ba/0x400 fs/bcachefs/fs.c:2671
 reconfigure_super+0x224/0x890 fs/super.c:1075
 do_remount fs/namespace.c:3369 [inline]
 path_mount+0xd18/0xfe0 fs/namespace.c:4201
 do_mount fs/namespace.c:4222 [inline]
 __do_sys_mount fs/namespace.c:4433 [inline]
 __se_sys_mount+0x317/0x410 fs/namespace.c:4410
 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: 0033:0x7f9856d8e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f9857c0d038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f9856fb5fa0 RCX: 00007f9856d8e929
RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000
RBP: 00007f9857c0d090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000021 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f9856fb5fa0 R15: 00007ffec8fb3018
 </TASK>
bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 3
bcachefs (loop0): clean shutdown complete, journal seq 4
bcachefs: bch2_verify_accounting_clean() u64s 6 type accounting 144960716812582912:0:0 len 0 ver 12884902093: replicas btree: 1/1 [0] 384 != 352
bcachefs: bch2_verify_accounting_clean() fs_usage_base.btree mismatch: 384 != 352
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5331 at fs/bcachefs/disk_accounting.c:1055 bch2_verify_accounting_clean+0x20cd/0x21d0 fs/bcachefs/disk_accounting.c:1055
Modules linked in:
CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted 6.16.0-rc1-syzkaller-00239-g08215f5486ec #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_verify_accounting_clean+0x20cd/0x21d0 fs/bcachefs/disk_accounting.c:1055
Code: 90 8c fd eb 24 e8 c3 90 8c fd 48 c7 c7 a0 e9 d3 8b 48 c7 c6 75 77 93 8d 48 c7 c2 80 ea d3 8b 31 c9 49 89 d8 e8 34 c3 f3 fc 90 <0f> 0b 90 e9 8d fe ff ff e8 96 90 8c fd e9 c6 fb ff ff e8 8c 90 8c
RSP: 0018:ffffc9000d3ef7c0 EFLAGS: 00010293
RAX: ffffffff8433cc94 RBX: 0000000000000000 RCX: ffff888032af2440
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000d3efb30 R08: ffff88801fc24293 R09: 1ffff11003f84852
R10: dffffc0000000000 R11: ffffed1003f84853 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f9857c0d6c0(0000) GS:ffff88808d251000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000305f6000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bch2_fs_read_only+0x998/0xb00 fs/bcachefs/super.c:390
 bch2_fs_reconfigure+0x1ba/0x400 fs/bcachefs/fs.c:2671
 reconfigure_super+0x224/0x890 fs/super.c:1075
 do_remount fs/namespace.c:3369 [inline]
 path_mount+0xd18/0xfe0 fs/namespace.c:4201
 do_mount fs/namespace.c:4222 [inline]
 __do_sys_mount fs/namespace.c:4433 [inline]
 __se_sys_mount+0x317/0x410 fs/namespace.c:4410
 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: 0033:0x7f9856d8e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f9857c0d038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f9856fb5fa0 RCX: 00007f9856d8e929
RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000000
RBP: 00007f9857c0d090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000021 R11: 0000000000000246 R12: 0000000000000002
R13: 0000000000000000 R14: 00007f9856fb5fa0 R15: 00007ffec8fb3018
 </TASK>