bcachefs (loop3): shutting down ------------[ cut here ]------------ ODEBUG: activate active (active state 0) object: ffff88805d7b2698 object type: rcu_head hint: 0x0 WARNING: CPU: 0 PID: 5821 at lib/debugobjects.c:615 debug_print_object+0x16b/0x1e0 lib/debugobjects.c:612 Modules linked in: CPU: 0 UID: 0 PID: 5821 Comm: syz-executor Tainted: G W 6.16.0-syzkaller-01056-gae388edd4a8f #0 PREEMPT_{RT,(full)} Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:debug_print_object+0x16b/0x1e0 lib/debugobjects.c:612 Code: 4c 89 ff e8 e7 cd 5f fd 4d 8b 0f 48 c7 c7 a0 e9 61 8b 48 8b 34 24 4c 89 ea 89 e9 4d 89 f0 41 54 e8 6a dd c6 fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 27 48 5f 0a 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 RSP: 0018:ffffc90004827920 EFLAGS: 00010292 RAX: 79af62aedee63c00 RBX: dffffc0000000000 RCX: ffff8880250e8000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed101710486b R12: 0000000000000000 R13: ffffffff8b61eb20 R14: ffff88805d7b2698 R15: ffffffff8b0be220 FS: 0000555583237500(0000) GS:ffff8881268fa000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd2e1ffc58 CR3: 0000000035b32000 CR4: 00000000003526f0 Call Trace: debug_object_activate+0x257/0x3a0 lib/debugobjects.c:842 debug_rcu_head_queue kernel/rcu/rcu.h:236 [inline] __call_rcu_common kernel/rcu/tree.c:3079 [inline] call_rcu+0xaa/0x9c0 kernel/rcu/tree.c:3214 radix_tree_node_free lib/radix-tree.c:310 [inline] delete_node+0x1bc/0xa60 lib/radix-tree.c:573 radix_tree_delete_item+0x2b9/0x410 lib/radix-tree.c:1430 __bch2_fs_stop+0x5d3/0x900 fs/bcachefs/super.c:693 generic_shutdown_super+0x132/0x2c0 fs/super.c:643 bch2_kill_sb+0x41/0x50 fs/bcachefs/fs.c:2618 deactivate_locked_super+0xbc/0x130 fs/super.c:474 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1378 task_work_run+0x1d1/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xec/0x110 kernel/entry/common.c:114 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline] do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa572bdfcd7 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:00007ffd2e2014f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000064 RCX: 00007fa572bdfcd7 RDX: 0000000000000200 RSI: 0000000000000009 RDI: 00007ffd2e2026a0 RBP: 00007fa572c60b55 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000202 R12: 00007ffd2e2026a0 R13: 00007fa572c60b55 R14: 00005555832374a8 R15: 00007ffd2e203770