node ffff888027bff440 offset 0 parent ffff888027bfd080 shift 0 count 1 values 0 array ffff88804fab4ce0 list ffff888027bff458 ffff888027bff458 marks 0 0 0
------------[ cut here ]------------
kernel BUG at ./include/linux/xarray.h:1441!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 38 Comm: khugepaged Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:XAS_INVALID include/linux/xarray.h:1441 [inline]
RIP: 0010:collapse_file mm/khugepaged.c:2055 [inline]
RIP: 0010:collapse_scan_file+0x4f98/0x5230 mm/khugepaged.c:2404
Code: ff 4c 89 e7 48 c7 c6 20 b2 dc 8b e8 72 52 f1 fe 90 0f 0b 48 85 db 0f 84 03 01 00 00 e8 41 e5 8f ff 48 89 df e8 89 90 7b 09 90 <0f> 0b e8 31 e5 8f ff 48 89 df 48 c7 c6 20 b2 dc 8b e8 42 52 f1 fe
RSP: 0018:ffffc90000ae7500 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888027bff440 RCX: 5a5a2b2d3f1ba100
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90000ae7810 R08: ffffc90000ae7287 R09: 1ffff9200015ce50
R10: dffffc0000000000 R11: fffff5200015ce51 R12: ffffea0001526fb0
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc90000ae76f0
FS:  0000000000000000(0000) GS:ffff888125436000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f09cefe92f8 CR3: 0000000037ae0000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 collapse_single_pmd+0x22b/0x4510 mm/khugepaged.c:2437
 collapse_scan_mm_slot mm/khugepaged.c:2542 [inline]
 khugepaged_do_scan mm/khugepaged.c:2622 [inline]
 khugepaged+0x930/0x1500 mm/khugepaged.c:2677
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:XAS_INVALID include/linux/xarray.h:1441 [inline]
RIP: 0010:collapse_file mm/khugepaged.c:2055 [inline]
RIP: 0010:collapse_scan_file+0x4f98/0x5230 mm/khugepaged.c:2404
Code: ff 4c 89 e7 48 c7 c6 20 b2 dc 8b e8 72 52 f1 fe 90 0f 0b 48 85 db 0f 84 03 01 00 00 e8 41 e5 8f ff 48 89 df e8 89 90 7b 09 90 <0f> 0b e8 31 e5 8f ff 48 89 df 48 c7 c6 20 b2 dc 8b e8 42 52 f1 fe
RSP: 0018:ffffc90000ae7500 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888027bff440 RCX: 5a5a2b2d3f1ba100
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90000ae7810 R08: ffffc90000ae7287 R09: 1ffff9200015ce50
R10: dffffc0000000000 R11: fffff5200015ce51 R12: ffffea0001526fb0
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc90000ae76f0
FS:  0000000000000000(0000) GS:ffff888125536000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005627ef443f40 CR3: 0000000037ae0000 CR4: 00000000003526f0