------------[ cut here ]------------ workqueue: WQ_MEM_RECLAIM dio/loop0:dio_aio_complete_work is flushing !WQ_MEM_RECLAIM events_long:flush_mdb WARNING: CPU: 0 PID: 9 at kernel/workqueue.c:3723 check_flush_dependency+0x288/0x33c kernel/workqueue.c:3719 Modules linked in: CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted 6.16.0-rc2-syzkaller-00009-g9aa9b43d689e #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: dio/loop0 dio_aio_complete_work pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : check_flush_dependency+0x288/0x33c kernel/workqueue.c:3719 lr : check_flush_dependency+0x288/0x33c kernel/workqueue.c:3719 sp : ffff800097a17730 x29: ffff800097a17740 x28: dfff800000000000 x27: ffff700012f42ef4 x26: ffff0000c1081008 x25: 0000000000000000 x24: ffff0000d9ac9c00 x23: dfff800000000000 x22: ffff8000812dd87c x21: ffff800092c0f000 x20: ffff0000c1a1d718 x19: ffff0000c0029400 x18: 00000000ffffffff x17: ffff800093320000 x16: ffff80008aecb65c x15: 0000000000000001 x14: 1fffe000337dc8e2 x13: 0000000000000000 x12: 0000000000000000 x11: ffff6000337dc8e3 x10: 0000000000ff0100 x9 : 714d96a82bf9cc00 x8 : 714d96a82bf9cc00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800097a17078 x4 : ffff80008f727060 x3 : ffff8000807bef2c x2 : 0000000000000001 x1 : 0000000100000001 x0 : 0000000000000000 Call trace: check_flush_dependency+0x288/0x33c kernel/workqueue.c:3719 (P) start_flush_work kernel/workqueue.c:4173 [inline] __flush_work+0x220/0x8c0 kernel/workqueue.c:4210 flush_work kernel/workqueue.c:4267 [inline] flush_delayed_work+0xcc/0xf8 kernel/workqueue.c:4289 hfs_file_fsync+0xe8/0x144 fs/hfs/inode.c:680 vfs_fsync_range+0x160/0x19c fs/sync.c:187 generic_write_sync include/linux/fs.h:3029 [inline] dio_complete+0x510/0x6bc fs/direct-io.c:313 dio_aio_complete_work+0x28/0x38 fs/direct-io.c:325 process_one_work+0x7e8/0x155c kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3402 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847 irq event stamp: 52748 hardirqs last enabled at (52747): [] flush_delayed_work+0xac/0xf8 kernel/workqueue.c:4288 hardirqs last disabled at (52748): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (52748): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (52738): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (52738): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (52715): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]---