------------[ cut here ]------------
WARNING: CPU: 0 PID: 5153 at mm/huge_memory.c:1602 copy_huge_pmd+0x102c/0x1c60 mm/huge_memory.c:1602
Modules linked in:
CPU: 0 UID: 0 PID: 5153 Comm: syz-executor198 Not tainted 6.11.0-syzkaller-10392-g68e5c7d4cefb #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:copy_huge_pmd+0x102c/0x1c60 mm/huge_memory.c:1602
Code: ff 90 0f 0b 90 e9 2e f5 ff ff e8 df a1 92 ff 48 ff cb e9 0f f7 ff ff e8 d2 a1 92 ff 48 ff cb e9 8a f7 ff ff e8 c5 a1 92 ff 90 <0f> 0b 90 e9 11 fd ff ff 4c 8d ac 24 00 01 00 00 48 b8 06 fe ff ff
RSP: 0018:ffffc90002fdf160 EFLAGS: 00010293
RAX: ffffffff8202137b RBX: ffff8880401464f8 RCX: ffff888035a12440
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90002fdf2e8 R08: ffffffff82021246 R09: fffff520005fbe1c
R10: dffffc0000000000 R11: fffff520005fbe1c R12: ffff88803de64d20
R13: d7ffe7fff6f7fe02 R14: 0000000000000020 R15: ffff88803fbeb4e0
FS:  00007f9a88bd36c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9a88bd8b30 CR3: 000000003c0fa000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 copy_pmd_range+0x425/0x85f0 mm/memory.c:1245
 copy_pud_range mm/memory.c:1292 [inline]
 copy_p4d_range mm/memory.c:1316 [inline]
 copy_page_range+0x99f/0xe90 mm/memory.c:1414
 dup_mmap kernel/fork.c:750 [inline]
 dup_mm kernel/fork.c:1674 [inline]
 copy_mm+0x11fb/0x1f40 kernel/fork.c:1723
 copy_process+0x1845/0x3d50 kernel/fork.c:2375
 kernel_clone+0x226/0x8f0 kernel/fork.c:2787
 __do_sys_clone kernel/fork.c:2930 [inline]
 __se_sys_clone kernel/fork.c:2914 [inline]
 __x64_sys_clone+0x258/0x2a0 kernel/fork.c:2914
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9a88c183d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9a88bd3238 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f9a88ca2308 RCX: 00007f9a88c183d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000011
RBP: 00007f9a88ca2300 R08: 0000000000000000 R09: 00007f9a88bd36c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9a88c6f074
R13: 0000000000000000 R14: 00007fff8d531330 R15: 00007fff8d531418
 </TASK>