==================================================================
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+0xc8b/0x2040 kernel/locking/lockdep.c:5112
Read of size 8 at addr 1fffffff8dc93498 by task kcompactd0/33

CPU: 1 UID: 0 PID: 33 Comm: kcompactd0 Not tainted 6.11.0-rc7-syzkaller-00039-g77f587896757 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:93 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
 print_report+0xe8/0x550 mm/kasan/report.c:491
 kasan_report+0x143/0x180 mm/kasan/report.c:601
 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+0xc8b/0x2040 kernel/locking/lockdep.c:5112
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5759
 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378
 raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:568
 raw_spin_rq_lock kernel/sched/sched.h:1415 [inline]
 rq_lock kernel/sched/sched.h:1714 [inline]
 __schedule+0x357/0x4a60 kernel/sched/core.c:6436
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:6851
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:extfrag_for_order+0x4/0x120 mm/vmstat.c:1138
Code: 48 01 1d bf 1a 60 18 5b e9 24 64 17 0a 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 <55> 41 57 41 56 41 55 41 54 53 48 83 ec 28 49 89 fd 89 f0 48 89 44
RSP: 0018:ffffc90000a97b60 EFLAGS: 00000293
RAX: ffffffff81dcc612 RBX: ffff88813fffa0a0 RCX: ffff888020ec3c00
RDX: 0000000000000000 RSI: 0000000000000009 RDI: ffff88813fffa000
RBP: dffffc0000000000 R08: ffffffff81dcc608 R09: 1ffff92000152f64
R10: dffffc0000000000 R11: fffff52000152f65 R12: 0000000000000f9e
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88813fffa000
 fragmentation_score_zone mm/compaction.c:2232 [inline]
 fragmentation_score_zone_weighted mm/compaction.c:2249 [inline]
 fragmentation_score_node+0x5f/0x340 mm/compaction.c:2271
 should_proactive_compact_node mm/compaction.c:2298 [inline]
 kcompactd+0x75f/0x1530 mm/compaction.c:3229
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
==================================================================
----------------
Code disassembly (best guess):
   0:	48 01 1d bf 1a 60 18 	add    %rbx,0x18601abf(%rip)        # 0x18601ac6
   7:	5b                   	pop    %rbx
   8:	e9 24 64 17 0a       	jmp    0xa176431
   d:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  14:	00 00
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	90                   	nop
  22:	90                   	nop
  23:	90                   	nop
  24:	90                   	nop
  25:	90                   	nop
  26:	66 0f 1f 00          	nopw   (%rax)
* 2a:	55                   	push   %rbp <-- trapping instruction
  2b:	41 57                	push   %r15
  2d:	41 56                	push   %r14
  2f:	41 55                	push   %r13
  31:	41 54                	push   %r12
  33:	53                   	push   %rbx
  34:	48 83 ec 28          	sub    $0x28,%rsp
  38:	49 89 fd             	mov    %rdi,%r13
  3b:	89 f0                	mov    %esi,%eax
  3d:	48                   	rex.W
  3e:	89                   	.byte 0x89
  3f:	44                   	rex.R