==================================================================
BUG: KASAN: wild-memory-access in instrument_atomic_read include/linux/instrumented.h:68 [inline]
BUG: KASAN: wild-memory-access in _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
BUG: KASAN: wild-memory-access in __lock_acquire+0xc94/0x2100 kernel/locking/lockdep.c:5198
Read of size 8 at addr 1fffffff88cf7980 by task syz.0.7416/1580

CPU: 1 UID: 0 PID: 1580 Comm: syz.0.7416 Not tainted 6.14.0-rc4-syzkaller-00242-g7a5668899f54 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 print_report+0xe3/0x5b0 mm/kasan/report.c:524
 kasan_report+0x143/0x180 mm/kasan/report.c:634
 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 __lock_acquire+0xc94/0x2100 kernel/locking/lockdep.c:5198
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851
 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378
 raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:606
 raw_spin_rq_lock kernel/sched/sched.h:1521 [inline]
 rq_lock kernel/sched/sched.h:1852 [inline]
 __schedule+0x357/0x4c90 kernel/sched/core.c:6688
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7087
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:__handle_mm_fault+0x3a8/0x70f0
Code: 18 00 4c 8b 3b 4c 89 fe 48 83 e6 9f 31 ff e8 2f b4 b1 ff 49 83 e7 9f 0f 84 b4 45 00 00 e8 40 af b1 ff 4c 8d bc 24 60 03 00 00 <49> 8d 47 38 48 89 44 24 20 43 80 3c 2c 00 74 08 48 89 df e8 60 e9
RSP: 0018:ffffc9000c3ffa00 EFLAGS: 00000293
RAX: ffffffff82105b8d RBX: ffff88804bd80400 RCX: ffff888052d6bc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000c3ffe60 R08: ffffffff821055ab R09: 1ffff110102b9026
R10: dffffc0000000000 R11: ffffed10102b9027 R12: 1ffff110097b0080
R13: dffffc0000000000 R14: ffff88807e517aa8 R15: ffffc9000c3ffd60
 handle_mm_fault+0x3e5/0x8d0 mm/memory.c:6212
 do_user_addr_fault arch/x86/mm/fault.c:1337 [inline]
 handle_page_fault arch/x86/mm/fault.c:1480 [inline]
 exc_page_fault+0x459/0x8b0 arch/x86/mm/fault.c:1538
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7fc87d263799
Code: ff ff ff 01 64 48 8b 04 25 00 00 00 00 48 8d b8 c8 fe ff ff e8 48 59 0c 00 85 c0 75 10 48 8b 44 24 68 48 8b b4 24 98 00 00 00 <48> 89 30 64 f0 83 2c 25 90 ff ff ff 01 48 8b 84 24 80 00 00 00 48
RSP: 002b:00007ffd45729050 EFLAGS: 00010246
RAX: 0000400000000100 RBX: 0000000000000002 RCX: ffffc00000000000
RDX: d1a0b83899c19c16 RSI: 0000000000000000 RDI: 0000555589b563c8
RBP: 00007fc87d5a7ba0 R08: 00007fc87d200000 R09: 000000000000001f
R10: 0000000000000001 R11: 0000000000000006 R12: 00007fc87d5a5fac
R13: 00007ffd45729140 R14: fffffffffffffffe R15: 00007ffd45729160
 </TASK>
==================================================================
----------------
Code disassembly (best guess):
   0:	18 00                	sbb    %al,(%rax)
   2:	4c 8b 3b             	mov    (%rbx),%r15
   5:	4c 89 fe             	mov    %r15,%rsi
   8:	48 83 e6 9f          	and    $0xffffffffffffff9f,%rsi
   c:	31 ff                	xor    %edi,%edi
   e:	e8 2f b4 b1 ff       	call   0xffb1b442
  13:	49 83 e7 9f          	and    $0xffffffffffffff9f,%r15
  17:	0f 84 b4 45 00 00    	je     0x45d1
  1d:	e8 40 af b1 ff       	call   0xffb1af62
  22:	4c 8d bc 24 60 03 00 	lea    0x360(%rsp),%r15
  29:	00
* 2a:	49 8d 47 38          	lea    0x38(%r15),%rax <-- trapping instruction
  2e:	48 89 44 24 20       	mov    %rax,0x20(%rsp)
  33:	43 80 3c 2c 00       	cmpb   $0x0,(%r12,%r13,1)
  38:	74 08                	je     0x42
  3a:	48 89 df             	mov    %rbx,%rdi
  3d:	e8                   	.byte 0xe8
  3e:	60                   	(bad)
  3f:	e9                   	.byte 0xe9