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workqueue: WQ_MEM_RECLAIM dio/loop5:dio_aio_complete_work is flushing !WQ_MEM_RECLAIM events_long:flush_mdb
WARNING: CPU: 1 PID: 6549 at kernel/workqueue.c:3723 check_flush_dependency+0x288/0x33c kernel/workqueue.c:3719
Modules linked in:
CPU: 1 UID: 0 PID: 6549 Comm: kworker/1:4 Not tainted 6.16.0-rc1-syzkaller-g19272b37aa4f #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: dio/loop5 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 : ffff8000a3ce7730
x29: ffff8000a3ce7740 x28: dfff800000000000 x27: ffff70001479cef4
x26: ffff0000c1081408 x25: 0000000000000000 x24: ffff0000cf84a800
x23: dfff800000000000 x22: ffff8000812cd2a4 x21: ffff800092b05000
x20: ffff0000d1055418 x19: ffff0000c0029400 x18: 00000000ffffffff
x17: ffff800093215000 x16: ffff80008ae5617c x15: 0000000000000001
x14: 1fffe000338078e2 x13: 0000000000000000 x12: 0000000000000000
x11: ffff6000338078e3 x10: 0000000000ff0100 x9 : f5cc008a8f122000
x8 : f5cc008a8f122000 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000a3ce7078 x4 : ffff80008f657060 x3 : ffff8000807bb518
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:3027 [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: 151162
hardirqs last  enabled at (151161): [<ffff80008041a758>] flush_delayed_work+0xac/0xf8 kernel/workqueue.c:4288
hardirqs last disabled at (151162): [<ffff80008ae7767c>] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline]
hardirqs last disabled at (151162): [<ffff80008ae7767c>] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170
softirqs last  enabled at (151102): [<ffff800085356aa8>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (151102): [<ffff800085356aa8>] ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline]
softirqs last  enabled at (151102): [<ffff800085356aa8>] wg_packet_decrypt_worker+0x90c/0x994 drivers/net/wireguard/receive.c:499
softirqs last disabled at (151100): [<ffff800085356784>] spin_lock_bh include/linux/spinlock.h:356 [inline]
softirqs last disabled at (151100): [<ffff800085356784>] ptr_ring_consume_bh include/linux/ptr_ring.h:365 [inline]
softirqs last disabled at (151100): [<ffff800085356784>] wg_packet_decrypt_worker+0x5e8/0x994 drivers/net/wireguard/receive.c:499
---[ end trace 0000000000000000 ]---