node ffff888058c25b80 offset 0 parent ffff888058c27440 shift 0 count 64 values 0 array ffff88802b029098 list ffff888058c25b98 ffff888058c25b98 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: 9790 Comm: syz.0.1047 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 60 6b dc 8b e8 4e f4 f2 fe 90 0f 0b 48 85 db 0f 84 29 01 00 00 e8 bd ba 8f ff 48 89 df e8 45 98 67 09 90 <0f> 0b e8 ad ba 8f ff 48 89 df 48 c7 c6 60 6b dc 8b e8 1e f4 f2 fe
RSP: 0018:ffffc9000c1a7120 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888058c25b80 RCX: eda90951e3224700
RDX: ffffc9000f27b000 RSI: 00000000000073e5 RDI: 00000000000073e6
RBP: ffffc9000c1a7428 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1cbd5ec R12: 00000003fffffffc
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f8de377b6c0(0000) GS:ffff8881253b4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200001000000 CR3: 000000005a27e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 madvise_collapse+0x42f/0xb30 mm/khugepaged.c:2816
 madvise_vma_behavior+0x15a1/0x4270 mm/madvise.c:1370
 madvise_walk_vmas+0x573/0xae0 mm/madvise.c:1719
 madvise_do_behavior+0x386/0x540 mm/madvise.c:1935
 do_madvise+0x1fa/0x2e0 mm/madvise.c:2028
 __do_sys_madvise mm/madvise.c:2037 [inline]
 __se_sys_madvise mm/madvise.c:2035 [inline]
 __x64_sys_madvise+0xa6/0xc0 mm/madvise.c:2035
 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: 0033:0x7f8de299aeb9
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:00007f8de377b028 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f8de2c16180 RCX: 00007f8de299aeb9
RDX: 0000000000000019 RSI: 0000000000600003 RDI: 0000200000000000
RBP: 00007f8de2a08c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8de2c16218 R14: 00007f8de2c16180 R15: 00007ffcea1a89b8
 </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 60 6b dc 8b e8 4e f4 f2 fe 90 0f 0b 48 85 db 0f 84 29 01 00 00 e8 bd ba 8f ff 48 89 df e8 45 98 67 09 90 <0f> 0b e8 ad ba 8f ff 48 89 df 48 c7 c6 60 6b dc 8b e8 1e f4 f2 fe
RSP: 0018:ffffc9000c1a7120 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888058c25b80 RCX: eda90951e3224700
RDX: ffffc9000f27b000 RSI: 00000000000073e5 RDI: 00000000000073e6
RBP: ffffc9000c1a7428 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1cbd5ec R12: 00000003fffffffc
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f8de377b6c0(0000) GS:ffff8881253b4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200001000000 CR3: 000000005a27e000 CR4: 00000000003526f0