------------[ cut here ]------------
WARNING: CPU: 0 PID: 6440 at fs/namespace.c:1364 cleanup_mnt+0x3ac/0x3dc fs/namespace.c:1364
Modules linked in:
CPU: 0 UID: 0 PID: 6440 Comm: syz-executor Not tainted 6.12.0-syzkaller-g7b1d1d4cfac0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : cleanup_mnt+0x3ac/0x3dc fs/namespace.c:1364
lr : cleanup_mnt+0x3ac/0x3dc fs/namespace.c:1364
sp : ffff8000a1b27c90
x29: ffff8000a1b27ca0 x28: 1fffe00019d3d192 x27: 0000000000000008
x26: 0000000000000003 x25: dfff800000000000 x24: 00007dfe9b946bc4
x23: fffffdffbf767bc8 x22: 0000000000000008 x21: ffff0000ce9e8c90
x20: 0000000000000003 x19: ffff0000ce9e8c40 x18: 1fffe000366c3876
x17: ffff80008f8cd000 x16: ffff8000802a7fe0 x15: 0000000000000001
x14: 1fffe0001b21cc8c x13: ffff8000a1b28000 x12: 0000000000000003
x11: 0000000000000001 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000d90e5ac0 x7 : ffff80008027ad24 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0000d90e5ac0 x1 : 0000000000000003 x0 : 0000000000000000
Call trace:
 cleanup_mnt+0x3ac/0x3dc fs/namespace.c:1364 (P)
 cleanup_mnt+0x3ac/0x3dc fs/namespace.c:1364 (L)
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1380
 task_work_run+0x230/0x2e0 kernel/task_work.c:239
 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: 376886
hardirqs last  enabled at (376885): [<ffff80008b6395ac>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (376885): [<ffff80008b6395ac>] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202
hardirqs last disabled at (376886): [<ffff80008b54386c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (376502): [<ffff80008002f3d8>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (376500): [<ffff80008002f3a4>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
bcachefs (loop3): shutting down
bcachefs (loop3): going read-only
bcachefs (loop3): finished waiting for writes to stop
bcachefs (loop3): flushing journal and stopping allocators, journal seq 11
bcachefs (loop3): flushing journal and stopping allocators complete, journal seq 12
bcachefs (loop3): unshutdown complete, journal seq 13
bcachefs (loop3): done going read-only, filesystem not clean
bcachefs (loop3): shutdown complete