R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f203cb35f80 R15: 00007fff72cc3528
 </TASK>
------------[ cut here ]------------
kernel BUG at mm/page_table_check.c:87!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 3 UID: 0 PID: 8701 Comm: syz.0.1098 Not tainted 6.12.0-rc3-syzkaller-00007-g6485cf5ea253 #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:page_table_check_clear.part.0+0x47e/0x540 mm/page_table_check.c:87
Code: 0f 84 b0 fc ff ff e8 31 8d 92 ff 49 8d 5e ff e9 a2 fc ff ff e8 23 8d 92 ff 90 0f 0b e8 1b 8d 92 ff 90 0f 0b e8 13 8d 92 ff 90 <0f> 0b e8 0b 8d 92 ff 90 0f 0b e8 03 8d 92 ff 49 8d 5e ff 49 83 c6
RSP: 0018:ffffc90022f0f3d8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: ffffffff81faf308
RDX: ffff888036672440 RSI: ffffffff81faf58d RDI: 0000000000000005
RBP: ffff88801dcfa050 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000200 R14: 0000000000000001 R15: dffffc0000000000
FS:  00007f203d7266c0(0000) GS:ffff88806a900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020ff7000 CR3: 0000000052ec0000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 page_table_check_clear arch/x86/include/asm/pgtable.h:274 [inline]
 __page_table_check_pmd_clear+0x3a9/0x600 mm/page_table_check.c:180
 page_table_check_pmd_clear include/linux/page_table_check.h:57 [inline]
 pmdp_huge_get_and_clear arch/x86/include/asm/pgtable.h:1390 [inline]
 pmdp_huge_get_and_clear_full include/linux/pgtable.h:636 [inline]
 zap_huge_pmd+0x264/0x1380 mm/huge_memory.c:2071
 zap_pmd_range mm/memory.c:1719 [inline]
 zap_pud_range mm/memory.c:1768 [inline]
 zap_p4d_range mm/memory.c:1789 [inline]
 unmap_page_range+0x1603/0x3cf0 mm/memory.c:1810
 unmap_single_vma+0x194/0x2b0 mm/memory.c:1856
 unmap_vmas+0x22f/0x490 mm/memory.c:1900
 unmap_region+0x201/0x480 mm/vma.c:354
 mmap_region+0x1c0a/0x2a60 mm/mmap.c:1573
 do_mmap+0xc00/0xfc0 mm/mmap.c:496
 vm_mmap_pgoff+0x1ba/0x360 mm/util.c:588
 ksys_mmap_pgoff+0x7d/0x5c0 mm/mmap.c:542
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f203c97dff9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f203d726038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f203cb35f80 RCX: 00007f203c97dff9
RDX: 0000000000000000 RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f203d726090 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 00007f203cb35f80 R15: 00007fff72cc3528
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:page_table_check_clear.part.0+0x47e/0x540 mm/page_table_check.c:87
Code: 0f 84 b0 fc ff ff e8 31 8d 92 ff 49 8d 5e ff e9 a2 fc ff ff e8 23 8d 92 ff 90 0f 0b e8 1b 8d 92 ff 90 0f 0b e8 13 8d 92 ff 90 <0f> 0b e8 0b 8d 92 ff 90 0f 0b e8 03 8d 92 ff 49 8d 5e ff 49 83 c6
RSP: 0018:ffffc90022f0f3d8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: ffffffff81faf308
RDX: ffff888036672440 RSI: ffffffff81faf58d RDI: 0000000000000005
RBP: ffff88801dcfa050 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000200 R14: 0000000000000001 R15: dffffc0000000000
FS:  00007f203d7266c0(0000) GS:ffff88806a900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020ff7000 CR3: 0000000052ec0000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400