node ffff888050ef2940 offset 0 parent ffff888050ef1600 shift 0 count 64 values 0 array ffff888025df9098 list ffff888050ef2958 ffff888050ef2958 marks 0 0 0
------------[ cut here ]------------
kernel BUG at ./include/linux/xarray.h:1441!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 10907 Comm: syz.5.1238 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
RIP: 0010:XAS_INVALID include/linux/xarray.h:1441 [inline]
RIP: 0010:collapse_file mm/khugepaged.c:2041 [inline]
RIP: 0010:hpage_collapse_scan_file+0x4e0c/0x50e0 mm/khugepaged.c:2387
Code: ff 48 89 df 48 c7 c6 c0 8c bc 8b e8 ee 6c f6 fe 90 0f 0b 48 85 db 0f 84 29 01 00 00 e8 bd 34 91 ff 48 89 df e8 f5 c4 4b 09 90 <0f> 0b e8 ad 34 91 ff 48 89 df 48 c7 c6 c0 8c bc 8b e8 be 6c f6 fe
RSP: 0018:ffffc90010da7120 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888050ef2940 RCX: 0b5eed2f296bdd00
RDX: ffffc900045f1000 RSI: 0000000000009078 RDI: 0000000000009079
RBP: ffffc90010da7428 R08: ffff8880b87247d3 R09: 1ffff110170e48fa
R10: dffffc0000000000 R11: ffffed10170e48fb R12: 00000003fffffffc
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fa3e4c696c0(0000) GS:ffff8881257ef000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9b58b4da08 CR3: 000000007a236000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 madvise_collapse+0x42f/0xb30 mm/khugepaged.c:2817
 madvise_vma_behavior+0x10ad/0x43f0 mm/madvise.c:1372
 madvise_walk_vmas+0x57a/0xaf0 mm/madvise.c:1721
 madvise_do_behavior+0x386/0x540 mm/madvise.c:1937
 do_madvise+0x1fa/0x2e0 mm/madvise.c:2030
 __do_sys_madvise mm/madvise.c:2039 [inline]
 __se_sys_madvise mm/madvise.c:2037 [inline]
 __x64_sys_madvise+0xa6/0xc0 mm/madvise.c:2037
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa3e3d9acb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa3e4c69028 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007fa3e4015fa0 RCX: 00007fa3e3d9acb9
RDX: 0000000000000019 RSI: 0000000000600003 RDI: 0000200000000000
RBP: 00007fa3e3e08bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa3e4016038 R14: 00007fa3e4015fa0 R15: 00007ffe00471868
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:XAS_INVALID include/linux/xarray.h:1441 [inline]
RIP: 0010:collapse_file mm/khugepaged.c:2041 [inline]
RIP: 0010:hpage_collapse_scan_file+0x4e0c/0x50e0 mm/khugepaged.c:2387
Code: ff 48 89 df 48 c7 c6 c0 8c bc 8b e8 ee 6c f6 fe 90 0f 0b 48 85 db 0f 84 29 01 00 00 e8 bd 34 91 ff 48 89 df e8 f5 c4 4b 09 90 <0f> 0b e8 ad 34 91 ff 48 89 df 48 c7 c6 c0 8c bc 8b e8 be 6c f6 fe
RSP: 0018:ffffc90010da7120 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888050ef2940 RCX: 0b5eed2f296bdd00
RDX: ffffc900045f1000 RSI: 0000000000009078 RDI: 0000000000009079
RBP: ffffc90010da7428 R08: ffff8880b87247d3 R09: 1ffff110170e48fa
R10: dffffc0000000000 R11: ffffed10170e48fb R12: 00000003fffffffc
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fa3e4c696c0(0000) GS:ffff8881257ef000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1e1ebe1198 CR3: 000000007a236000 CR4: 00000000003526f0