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workqueue: WQ_MEM_RECLAIM dio/loop0:dio_aio_complete_work is flushing !WQ_MEM_RECLAIM events_long:flush_mdb
WARNING: CPU: 1 PID: 6522 at kernel/workqueue.c:3721 check_flush_dependency+0x290/0x344 kernel/workqueue.c:3717
Modules linked in:
CPU: 1 UID: 0 PID: 6522 Comm: kworker/1:5 Not tainted 6.15.0-rc2-syzkaller-gc72692105976 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: dio/loop0 dio_aio_complete_work
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : check_flush_dependency+0x290/0x344 kernel/workqueue.c:3717
lr : check_flush_dependency+0x290/0x344 kernel/workqueue.c:3717
sp : ffff8000a4cc76d0
x29: ffff8000a4cc76d0 x28: 0000000000000000 x27: 1fffe0001dc7b42b
x26: 0000000000000000 x25: ffff80009341b000 x24: ffff0000d23f4400
x23: dfff800000000000 x22: ffff0000d3fb1918 x21: ffff80008133b000
x20: ffff0000d23f4578 x19: ffff0000c0029400 x18: 0000000000000008
x17: 00000000fffffffa x16: ffff80008333704c x15: 0000000000000001
x14: 1fffe000366e2322 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000003 x10: 0000000000ff0100 x9 : a994bece50049800
x8 : a994bece50049800 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000a4cc6e58 x4 : ffff800090035460 x3 : ffff800080750da0
x2 : 0000000000000001 x1 : 0000000100000001 x0 : 0000000000000000
Call trace:
 check_flush_dependency+0x290/0x344 kernel/workqueue.c:3717 (P)
 start_flush_work kernel/workqueue.c:4171 [inline]
 __flush_work+0x220/0x958 kernel/workqueue.c:4208
 flush_work kernel/workqueue.c:4265 [inline]
 flush_delayed_work+0xcc/0xf8 kernel/workqueue.c:4287
 hfs_file_fsync+0xec/0x148 fs/hfs/inode.c:680
 vfs_fsync_range+0x160/0x19c fs/sync.c:187
 generic_write_sync include/linux/fs.h:2976 [inline]
 dio_complete+0x510/0x6bc fs/direct-io.c:313
 dio_aio_complete_work+0x28/0x38 fs/direct-io.c:325
 process_one_work+0x810/0x1638 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x97c/0xf08 kernel/workqueue.c:3400
 kthread+0x674/0x7dc kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862
irq event stamp: 11908
hardirqs last  enabled at (11907): [<ffff800080371ff0>] flush_delayed_work+0xac/0xf8 kernel/workqueue.c:4286
hardirqs last disabled at (11908): [<ffff80008b9be494>] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline]
hardirqs last disabled at (11908): [<ffff80008b9be494>] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170
softirqs last  enabled at (11276): [<ffff80008583fac0>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (11276): [<ffff80008583fac0>] ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline]
softirqs last  enabled at (11276): [<ffff80008583fac0>] wg_packet_encrypt_worker+0x121c/0x12ac drivers/net/wireguard/send.c:293
softirqs last disabled at (11274): [<ffff80008583f874>] spin_lock_bh include/linux/spinlock.h:356 [inline]
softirqs last disabled at (11274): [<ffff80008583f874>] ptr_ring_consume_bh include/linux/ptr_ring.h:365 [inline]
softirqs last disabled at (11274): [<ffff80008583f874>] wg_packet_encrypt_worker+0xfd0/0x12ac drivers/net/wireguard/send.c:293
---[ end trace 0000000000000000 ]---