INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 1 PID: 7217 Comm: syz-executor.0 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022
Call trace:
 dump_backtrace+0x1c4/0x1f0 arch/arm64/kernel/stacktrace.c:156
 show_stack+0x2c/0x54 arch/arm64/kernel/stacktrace.c:163
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x104/0x16c lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 assign_lock_key+0x134/0x140 kernel/locking/lockdep.c:979
 register_lock_class+0xc4/0x2f8 kernel/locking/lockdep.c:1292
 __lock_acquire+0xa8/0x30a4 kernel/locking/lockdep.c:4932
 lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5666
 __raw_write_lock_bh include/linux/rwlock_api_smp.h:202 [inline]
 _raw_write_lock_bh+0x54/0x6c kernel/locking/spinlock.c:334
 sock_orphan include/net/sock.h:2065 [inline]
 nr_release+0x70/0x274 net/netrom/af_netrom.c:521
 __sock_release net/socket.c:650 [inline]
 sock_close+0x50/0xf0 net/socket.c:1365
 __fput+0x198/0x3dc fs/file_table.c:320
 ____fput+0x20/0x30 fs/file_table.c:353
 task_work_run+0xc4/0x14c kernel/task_work.c:177
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x26c/0xbe0 kernel/exit.c:795
 do_group_exit+0x70/0xe8 kernel/exit.c:925
 get_signal+0xb0c/0xb40 kernel/signal.c:2857
 do_signal+0x128/0x438 arch/arm64/kernel/signal.c:1071
 do_notify_resume+0xc0/0x1f0 arch/arm64/kernel/signal.c:1124
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
Unable to handle kernel paging request at virtual address ffff80000d272a70
Mem abort info:
  ESR = 0x0000000096000047
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x07: level 3 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000047
  CM = 0, WnR = 1
swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001c566b000
[ffff80000d272a70] pgd=100000023ffff003, p4d=100000023ffff003, pud=100000023fffe003, pmd=100000023fffa003, pte=0000000000000000
Internal error: Oops: 0000000096000047 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 7217 Comm: syz-executor.0 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022
pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : queued_spin_lock_slowpath+0x198/0x380 kernel/locking/qspinlock.c:474
lr : queued_spin_lock_slowpath+0x114/0x380 kernel/locking/qspinlock.c:405
sp : ffff8000200c3a30
x29: ffff8000200c3a30 x28: 00000000002e0003 x27: 0000000000000aa1
x26: ffff00012842eea0 x25: 0000000000000000 x24: ffff0001fefd0a40
x23: 0000000000000000 x22: ffff80000d30cf28 x21: ffff80000d272a40
x20: 0000000000000000 x19: ffff000131e3c898 x18: 00000000000002c5
x17: ffff80000bffd6bc x16: 00000000000002cc x15: 0000000000000001
x14: 0000000000000000 x13: 000000000000ffff x12: 0000000000000000
x11: ffff80000d272a70 x10: 0000000000040000 x9 : ffff0001fefd0a48
x8 : ffff0001fefd0a40 x7 : 0000000000000000 x6 : ffff80000b1c7420
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000001 x1 : ffff80000ce26a9f x0 : 0000000000000001
Call trace:
 decode_tail kernel/locking/qspinlock.c:131 [inline]
 queued_spin_lock_slowpath+0x198/0x380 kernel/locking/qspinlock.c:471
 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
 do_raw_spin_lock+0x10c/0x110 kernel/locking/spinlock_debug.c:115
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:127 [inline]
 _raw_spin_lock_bh+0x5c/0x6c kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:354 [inline]
 lock_sock_nested+0x88/0xd8 net/core/sock.c:3396
 lock_sock include/net/sock.h:1712 [inline]
 nr_release+0x98/0x274 net/netrom/af_netrom.c:522
 __sock_release net/socket.c:650 [inline]
 sock_close+0x50/0xf0 net/socket.c:1365
 __fput+0x198/0x3dc fs/file_table.c:320
 ____fput+0x20/0x30 fs/file_table.c:353
 task_work_run+0xc4/0x14c kernel/task_work.c:177
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x26c/0xbe0 kernel/exit.c:795
 do_group_exit+0x70/0xe8 kernel/exit.c:925
 get_signal+0xb0c/0xb40 kernel/signal.c:2857
 do_signal+0x128/0x438 arch/arm64/kernel/signal.c:1071
 do_notify_resume+0xc0/0x1f0 arch/arm64/kernel/signal.c:1124
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
Code: 8b2c4ecc f85f818c 1200056b 8b2b52ab (f82b6988) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	8b2c4ecc 	add	x12, x22, w12, uxtw #3
   4:	f85f818c 	ldur	x12, [x12, #-8]
   8:	1200056b 	and	w11, w11, #0x3
   c:	8b2b52ab 	add	x11, x21, w11, uxtw #4
* 10:	f82b6988 	str	x8, [x12, x11] <-- trapping instruction