------------[ cut here ]------------
Ignoring spurious kernel translation fault at virtual address 00000000000007ac
WARNING: CPU: 0 PID: 12682 at arch/arm64/mm/fault.c:373 __do_kernel_fault+0x16c/0x1dc arch/arm64/mm/fault.c:373
Modules linked in:
CPU: 0 PID: 12682 Comm: syz-executor.1 Not tainted 5.12.0-rc2-syzkaller-00570-g88fe49249c99 #0
Hardware name: linux,dummy-virt (DT)
pstate: 60400089 (nZCv daIf +PAN -UAO -TCO BTYPE=--)
pc : __do_kernel_fault+0x16c/0x1dc arch/arm64/mm/fault.c:373
lr : __do_kernel_fault+0x16c/0x1dc arch/arm64/mm/fault.c:373
sp : ffff800014e23900
x29: ffff800014e23900 x28: f7ff000021119e80 
x27: 0000000000000000 x26: 0000000000000002 
x25: f3ff000006345010 x24: f8ff000003e57c00 
x23: 0000000096000046 x22: 00000000000007ac 
x21: 0000000000000025 x20: ffff800014e23a30 
x19: 0000000096000046 x18: 00000000fffffffa 
x17: 0000000000000000 x16: 0000000000000000 
x15: 0000000000000020 x14: 6c656e72656b2073 
x13: 0000000000000a55 x12: ffff800014e235b0 
x11: ffff8000133033f0 x10: 00000000ffffe000 
x9 : ffff8000133033f0 x8 : ffff8000132533f0 
x7 : ffff8000133033f0 x6 : 0000000000000000 
x5 : ffff00007fbbc948 x4 : 0000000000015ff5 
x3 : 0000000000000001 x2 : 0000000000000000 
x1 : 0000000000000000 x0 : f7ff000021119e80 
Call trace:
 __do_kernel_fault+0x16c/0x1dc arch/arm64/mm/fault.c:373
 do_page_fault+0x1b8/0x394 arch/arm64/mm/fault.c:661
 do_translation_fault+0xb0/0xc0 arch/arm64/mm/fault.c:672
 do_mem_abort+0x44/0xbc arch/arm64/mm/fault.c:805
 el1_abort+0x40/0x6c arch/arm64/kernel/entry-common.c:167
 el1_sync_handler+0xac/0xd0 arch/arm64/kernel/entry-common.c:259
 el1_sync+0x70/0x100 arch/arm64/kernel/entry.S:656
 __lse__cmpxchg_case_acq_32 arch/arm64/include/asm/atomic_lse.h:370 [inline]
 __cmpxchg_case_acq_32 arch/arm64/include/asm/cmpxchg.h:121 [inline]
 __cmpxchg_case_acq_32 arch/arm64/include/asm/cmpxchg.h:121 [inline]
 __cmpxchg_acq arch/arm64/include/asm/cmpxchg.h:173 [inline]
 arch_atomic_try_cmpxchg_acquire include/linux/atomic-arch-fallback.h:1003 [inline]
 atomic_try_cmpxchg_acquire include/asm-generic/atomic-instrumented.h:707 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:82 [inline]
 do_raw_spin_lock_flags include/linux/spinlock.h:195 [inline]
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irqsave+0x48/0xb0 kernel/locking/spinlock.c:159
 try_to_wake_up+0x5c/0x5a0 kernel/sched/core.c:3347
 wake_up_process+0x18/0x24 kernel/sched/core.c:3535
 attach_store+0x498/0x4bc drivers/usb/usbip/vhci_sysfs.c:422
 dev_attr_store+0x1c/0x30 drivers/base/core.c:1989
 sysfs_kf_write+0x48/0x60 fs/sysfs/file.c:139
 kernfs_fop_write_iter+0x128/0x1c0 fs/kernfs/file.c:296
 call_write_iter include/linux/fs.h:1977 [inline]
 new_sync_write+0xe8/0x184 fs/read_write.c:518
 vfs_write+0x244/0x2a4 fs/read_write.c:605
 ksys_write+0x68/0xf4 fs/read_write.c:658
 __do_sys_write fs/read_write.c:670 [inline]
 __se_sys_write fs/read_write.c:667 [inline]
 __arm64_sys_write+0x20/0x2c fs/read_write.c:667
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:49 [inline]
 el0_svc_common.constprop.0+0x60/0x120 arch/arm64/kernel/syscall.c:129
 do_el0_svc+0x74/0x90 arch/arm64/kernel/syscall.c:168
 el0_svc+0x2c/0x54 arch/arm64/kernel/entry-common.c:416
 el0_sync_handler+0x1a4/0x1b0 arch/arm64/kernel/entry-common.c:432
 el0_sync+0x18c/0x1c0 arch/arm64/kernel/entry.S:699