bcachefs (loop4): shutting down
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6484 at fs/bcachefs/super.c:1229 bch2_dev_free+0x1f4/0x260 fs/bcachefs/super.c:1229
Modules linked in:
CPU: 1 UID: 0 PID: 6484 Comm: syz-executor Not tainted 6.15.0-rc1-syzkaller-g2fe2b96c3818 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : bch2_dev_free+0x1f4/0x260 fs/bcachefs/super.c:1229
lr : bch2_dev_free+0x1f4/0x260 fs/bcachefs/super.c:1229
sp : ffff8000a2c47b40
x29: ffff8000a2c47b50 x28: 1fffe0001f1b00f6 x27: dfff800000000000
x26: ffff0000d92b80d0 x25: ffff0000d92b80b0 x24: ffff0000d92b8000
x23: ffff0000f8d803f0 x22: ffff0000f8d803f0 x21: ffff0000d92b80c0
x20: ffff0000d92b80b0 x19: ffff0000d92b8000 x18: 1fffe000366e22b6
x17: ffff80008ff3e000 x16: ffff80008b8f3648 x15: 0000000000000009
x14: 1fffe0001b257041 x13: 0000000000000000 x12: 0000000000000000
x11: ffff60001b25704a x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000c68d8000 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000008 x3 : ffff800082ce291c
x2 : ffffffffffffffc0 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 bch2_dev_free+0x1f4/0x260 fs/bcachefs/super.c:1229 (P)
 bch2_fs_free+0x248/0x384 fs/bcachefs/super.c:688
 bch2_kill_sb+0x48/0x58 fs/bcachefs/fs.c:2304
 deactivate_locked_super+0xc4/0x12c fs/super.c:473
 deactivate_super+0xe0/0x100 fs/super.c:506
 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1435
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1442
 task_work_run+0x230/0x2e0 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 do_notify_resume+0x178/0x1f4 arch/arm64/kernel/entry-common.c:151
 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline]
 el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:745
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 818114
hardirqs last  enabled at (818113): [<ffff800080c251d4>] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234
hardirqs last disabled at (818114): [<ffff80008b98fc24>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (817758): [<ffff800080a3b8d0>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (817758): [<ffff800080a3b8d0>] bdi_remove_from_list mm/backing-dev.c:1147 [inline]
softirqs last  enabled at (817758): [<ffff800080a3b8d0>] bdi_unregister+0x154/0x4f8 mm/backing-dev.c:1157
softirqs last disabled at (817756): [<ffff800080a3b80c>] spin_lock_bh include/linux/spinlock.h:356 [inline]
softirqs last disabled at (817756): [<ffff800080a3b80c>] bdi_remove_from_list mm/backing-dev.c:1144 [inline]
softirqs last disabled at (817756): [<ffff800080a3b80c>] bdi_unregister+0x90/0x4f8 mm/backing-dev.c:1157
---[ end trace 0000000000000000 ]---
bcachefs (loop4): shutdown complete