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workqueue: WQ_MEM_RECLAIM dio/loop6:dio_aio_complete_work is flushing !WQ_MEM_RECLAIM events_long:flush_mdb
WARNING: CPU: 0 PID: 4700 at kernel/workqueue.c:2653 check_flush_dependency+0x27c/0x330 kernel/workqueue.c:2649
Modules linked in:
CPU: 0 PID: 4700 Comm: kworker/0:12 Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: dio/loop6 dio_aio_complete_work
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : check_flush_dependency+0x27c/0x330 kernel/workqueue.c:2649
lr : check_flush_dependency+0x27c/0x330 kernel/workqueue.c:2649
sp : ffff8000209377c0
x29: ffff8000209377c0 x28: dfff800000000000 x27: 1fffe0001a05fe28
x26: 0000000000000000 x25: ffff800016fd2000 x24: ffff0000e5e9e400
x23: dfff800000000000 x22: ffff0000cf05e818 x21: ffff0000e5e9e560
x20: ffff800008ffd020 x19: ffff0000c0021000 x18: 0000000000000002
x17: 0000000000000000 x16: ffff800011b54788 x15: 00000000ffffffff
x14: ffff0000d39f0000 x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000001 x10: 0000000000000000 x9 : f81c88ed64340b00
x8 : f81c88ed64340b00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800020936f38 x4 : ffff800014c4fec0 x3 : ffff8000085597fc
x2 : 0000000000000001 x1 : 0000000100000001 x0 : 000000000000006b
Call trace:
 check_flush_dependency+0x27c/0x330 kernel/workqueue.c:2649
 start_flush_work+0x194/0x7d0 kernel/workqueue.c:3053
 __flush_work+0x11c/0x1c0 kernel/workqueue.c:3093
 flush_work kernel/workqueue.c:3115 [inline]
 flush_delayed_work+0xe4/0x110 kernel/workqueue.c:3239
 hfs_file_fsync+0xec/0x148 fs/hfs/inode.c:684
 vfs_fsync_range+0x168/0x188 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2989 [inline]
 dio_complete+0x4f0/0x68c fs/direct-io.c:310
 dio_aio_complete_work+0x28/0x38 fs/direct-io.c:322
 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
 worker_thread+0x910/0x1034 kernel/workqueue.c:2457
 kthread+0x37c/0x45c kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
irq event stamp: 271688
hardirqs last  enabled at (271687): [<ffff80000820ced8>] flush_delayed_work+0xd0/0x110 kernel/workqueue.c:3238
hardirqs last disabled at (271688): [<ffff800011c30414>] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline]
hardirqs last disabled at (271688): [<ffff800011c30414>] _raw_spin_lock_irq+0x38/0x13c kernel/locking/spinlock.c:170
softirqs last  enabled at (271622): [<ffff800008375310>] local_bh_enable+0xc/0x2c include/linux/bottom_half.h:31
softirqs last disabled at (271618): [<ffff8000083752e4>] local_bh_disable+0xc/0x2c include/linux/bottom_half.h:18
---[ end trace 2ab36c9b4ce3691e ]---