syzbot

bcachefs (loop0): shutting down
bcachefs (loop0): shutdown complete
------------[ cut here ]------------
online_reserved not 0 at shutdown: 1792
WARNING: CPU: 1 PID: 5828 at fs/bcachefs/super.c:585 __bch2_fs_free fs/bcachefs/super.c:585 [inline]
WARNING: CPU: 1 PID: 5828 at fs/bcachefs/super.c:585 bch2_fs_release+0x744/0x7b0 fs/bcachefs/super.c:624
Modules linked in:
CPU: 1 UID: 0 PID: 5828 Comm: syz-executor286 Not tainted 6.14.0-rc7-syzkaller-00074-ga7f2e10ecd8f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__bch2_fs_free fs/bcachefs/super.c:585 [inline]
RIP: 0010:bch2_fs_release+0x744/0x7b0 fs/bcachefs/super.c:624
Code: 41 5e 41 5f 5d e9 6c 5f 2a fd e8 77 a2 40 fd e9 06 fd ff ff e8 6d a2 40 fd 90 48 c7 c7 20 cc 75 8c 4c 89 ee e8 0d 5d 00 fd 90 <0f> 0b 90 90 e9 13 fd ff ff 44 89 f1 80 e1 07 38 c1 0f 8c 18 fb ff
RSP: 0018:ffffc90003effb68 EFLAGS: 00010246
RAX: 446aa7d46fd25600 RBX: ffff888077284a10 RCX: ffff888028030000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff1100ee50942 R08: ffffffff81819d62 R09: 1ffff110170e519a
R10: dffffc0000000000 R11: ffffed10170e519b R12: 00000000fffffff8
R13: 0000000000000700 R14: dffffc0000000000 R15: 0000607f47623608
FS:  0000555584d9f380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555584da86f8 CR3: 000000007bdb4000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x22f/0x480 lib/kobject.c:737
 deactivate_locked_super+0xc4/0x130 fs/super.c:473
 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1413
 task_work_run+0x24f/0x310 kernel/task_work.c:227
 ptrace_notify+0x2d9/0x380 kernel/signal.c:2522
 ptrace_report_syscall include/linux/ptrace.h:415 [inline]
 ptrace_report_syscall_exit include/linux/ptrace.h:477 [inline]
 syscall_exit_work+0xc7/0x1d0 kernel/entry/common.c:173
 syscall_exit_to_user_mode_prepare kernel/entry/common.c:200 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:205 [inline]
 syscall_exit_to_user_mode+0x24a/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe4d5bdd407
Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffe8f35e118 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe4d5bdd407
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe8f35e1d0
RBP: 00007ffe8f35e1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffe8f35f240
R13: 0000555584da06c0 R14: 0000000000000001 R15: 431bde82d7b634db
 </TASK>