------------[ cut here ]------------
kernel BUG at fs/bcachefs/btree_cache.c:593!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 18762 Comm: syz-executor Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:bch2_fs_btree_cache_exit+0xe0a/0x10a0 fs/bcachefs/btree_cache.c:593
Code: 7c 24 08 e8 88 46 fe fd e9 9f f6 ff ff e8 7e 46 fe fd e9 7b f6 ff ff 4c 89 ef e8 71 46 fe fd e9 4e f6 ff ff e8 37 9e 9d fd 90 <0f> 0b 48 89 d7 48 89 14 24 e8 68 45 fe fd 48 8b 14 24 e9 74 f7 ff
RSP: 0018:ffffc90009097ce0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffffffff83efda1c
RDX: ffff888027d2bc00 RSI: ffffffff83efdfb9 RDI: 0000000000000007
RBP: ffff888041d80000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: ffff888041d81a50
R13: ffff888041d81c78 R14: ffff888041d81a80 R15: ffff888041d81a50
FS:  000055558303d500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0a6e393eaa CR3: 00000000687c2000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __bch2_fs_free fs/bcachefs/super.c:556 [inline]
 bch2_fs_release+0x117/0x920 fs/bcachefs/super.c:610
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1e7/0x5a0 lib/kobject.c:737
 deactivate_locked_super+0xc1/0x1a0 fs/super.c:473
 deactivate_super+0xde/0x100 fs/super.c:506
 cleanup_mnt+0x222/0x450 fs/namespace.c:1373
 task_work_run+0x151/0x250 kernel/task_work.c:239
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x27b/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0c4257f327
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fffeba2b298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0c4257f327
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffeba2b350
RBP: 00007fffeba2b350 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fffeba2c3d0
R13: 00007f0c425f0134 R14: 00000000000e2a9a R15: 00007fffeba2c410
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bch2_fs_btree_cache_exit+0xe0a/0x10a0 fs/bcachefs/btree_cache.c:593
Code: 7c 24 08 e8 88 46 fe fd e9 9f f6 ff ff e8 7e 46 fe fd e9 7b f6 ff ff 4c 89 ef e8 71 46 fe fd e9 4e f6 ff ff e8 37 9e 9d fd 90 <0f> 0b 48 89 d7 48 89 14 24 e8 68 45 fe fd 48 8b 14 24 e9 74 f7 ff
RSP: 0018:ffffc90009097ce0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffffffff83efda1c
RDX: ffff888027d2bc00 RSI: ffffffff83efdfb9 RDI: 0000000000000007
RBP: ffff888041d80000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: ffff888041d81a50
R13: ffff888041d81c78 R14: ffff888041d81a80 R15: ffff888041d81a50
FS:  000055558303d500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdd64960800 CR3: 00000000687c2000 CR4: 0000000000350ef0