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kernel BUG at mm/page_table_check.c:80!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 26344 Comm: syz-executor.1 Not tainted 6.4.0-rc4-syzkaller-00051-g48b1320a674e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:page_table_check_clear+0x41f/0x4f0 mm/page_table_check.c:80
Code: e8 36 cb 9c ff 48 ff cb 49 89 df e9 0f fe ff ff e8 26 cb 9c ff 0f 0b e8 1f cb 9c ff 0f 0b e8 18 cb 9c ff 0f 0b e8 11 cb 9c ff <0f> 0b e8 0a cb 9c ff 0f 0b f3 0f 1e fa 4c 89 fe 48 81 e6 c0 0f 00
RSP: 0018:ffffc90003c2f678 EFLAGS: 00010293
RAX: ffffffff81eeb20f RBX: ffff8880154fc4c0 RCX: ffff888052193b80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff81eeb10d R09: ffffed1002a9f899
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880154fc480
R13: ffff8880154fc4c4 R14: 0000000000000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efe94c91590 CR3: 0000000053e0e000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 zap_pte_range mm/memory.c:1413 [inline]
 zap_pmd_range mm/memory.c:1563 [inline]
 zap_pud_range mm/memory.c:1592 [inline]
 zap_p4d_range mm/memory.c:1613 [inline]
 unmap_page_range+0x1d10/0x2a30 mm/memory.c:1634
 unmap_vmas+0x347/0x4e0 mm/memory.c:1719
 exit_mmap+0x255/0xaf0 mm/mmap.c:3111
 __mmput+0x115/0x3c0 kernel/fork.c:1351
 exit_mm+0x227/0x310 kernel/exit.c:564
 do_exit+0x612/0x2290 kernel/exit.c:858
 do_group_exit+0x206/0x2c0 kernel/exit.c:1021
 __do_sys_exit_group kernel/exit.c:1032 [inline]
 __se_sys_exit_group kernel/exit.c:1030 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1030
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff4d948c169
Code: Unable to access opcode bytes at 0x7ff4d948c13f.
RSP: 002b:00007ffc770ad348 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007ff4d948c169
RDX: 00007ff4d943e01b RSI: ffffffffffffffb8 RDI: 0000000000000000
RBP: 0000000000000001 R08: 00000000783506bf R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffc770ad430
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:page_table_check_clear+0x41f/0x4f0 mm/page_table_check.c:80
Code: e8 36 cb 9c ff 48 ff cb 49 89 df e9 0f fe ff ff e8 26 cb 9c ff 0f 0b e8 1f cb 9c ff 0f 0b e8 18 cb 9c ff 0f 0b e8 11 cb 9c ff <0f> 0b e8 0a cb 9c ff 0f 0b f3 0f 1e fa 4c 89 fe 48 81 e6 c0 0f 00
RSP: 0018:ffffc90003c2f678 EFLAGS: 00010293
RAX: ffffffff81eeb20f RBX: ffff8880154fc4c0 RCX: ffff888052193b80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff81eeb10d R09: ffffed1002a9f899
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880154fc480
R13: ffff8880154fc4c4 R14: 0000000000000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efe94c91590 CR3: 0000000053e0e000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400