bcachefs (loop0): error reading btree root btree=dirents level=0: btree_node_read_error, shutting down
  error not marked as autofix and not in fsck
  run fsck, and forward to devs so error can be marked for self-healing
Kernel panic - not syncing: bcachefs (loop0): panic after error
CPU: 0 UID: 0 PID: 5807 Comm: syz.0.16 Not tainted 6.15.0-syzkaller-g4cb6c8af8591 #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+0x99/0x250 lib/dump_stack.c:120
 panic+0x2db/0x790 kernel/panic.c:384
 __bch2_inconsistent_error+0x10f/0x120 fs/bcachefs/error.c:36
 __bch2_fsck_err+0x973/0xee0 fs/bcachefs/error.c:596
 read_btree_roots+0x427/0x7c0 fs/bcachefs/recovery.c:591
 bch2_fs_recovery+0x25a7/0x3970 fs/bcachefs/recovery.c:964
 bch2_fs_start+0xa43/0xd30 fs/bcachefs/super.c:1206
 bch2_fs_get_tree+0xbfc/0x15f0 fs/bcachefs/fs.c:2479
 vfs_get_tree+0x8f/0x2b0 fs/super.c:1802
 do_new_mount+0x24a/0xa40 fs/namespace.c:3856
 do_mount fs/namespace.c:4193 [inline]
 __do_sys_mount fs/namespace.c:4404 [inline]
 __se_sys_mount+0x317/0x410 fs/namespace.c:4381
 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: 0033:0x7fa9acb8e90a
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:00007fa9ac9f6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fa9ac9f6ef0 RCX: 00007fa9acb8e90a
RDX: 00004000000000c0 RSI: 0000400000000180 RDI: 00007fa9ac9f6eb0
RBP: 00004000000000c0 R08: 00007fa9ac9f6ef0 R09: 0000000000000010
R10: 0000000000000010 R11: 0000000000000246 R12: 0000400000000180
R13: 00007fa9ac9f6eb0 R14: 000000000000596b R15: 0000400000000100
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..