------------[ cut here ]------------ kernel BUG at mm/page_table_check.c:83! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 7801 Comm: syz-executor.0 Not tainted 6.3.0-syzkaller-11733-g825a0714d2b3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:page_table_check_clear.part.0+0x323/0x380 mm/page_table_check.c:83 Code: ff 89 de e8 3f 62 a2 ff 85 db 0f 89 7c fe ff ff e8 12 66 a2 ff 0f 0b e8 0b 66 a2 ff 0f 0b e8 04 66 a2 ff 0f 0b e8 fd 65 a2 ff <0f> 0b e8 f6 65 a2 ff 0f 0b 48 c7 c7 00 f7 e6 91 e8 f8 2c f5 ff e9 RSP: 0018:ffffc90015dff620 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880131bfbb0 RCX: 0000000000000000 RDX: ffff888087e05940 RSI: ffffffff81e1f843 RDI: 0000000000000005 RBP: ffff8880131bfb70 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001741 CR3: 000000009c5bc000 CR4: 0000000000350ee0 Call Trace: page_table_check_clear include/linux/mmzone.h:2003 [inline] __page_table_check_pte_clear+0x265/0x2b0 mm/page_table_check.c:155 page_table_check_pte_clear include/linux/page_table_check.h:55 [inline] ptep_get_and_clear_full arch/x86/include/asm/pgtable.h:1086 [inline] 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+0x2aa6/0x38e0 mm/memory.c:1634 unmap_single_vma+0x19a/0x2b0 mm/memory.c:1680 unmap_vmas+0x234/0x380 mm/memory.c:1719 exit_mmap+0x190/0x930 mm/mmap.c:3111 __mmput+0x128/0x4c0 kernel/fork.c:1350 mmput+0x60/0x70 kernel/fork.c:1372 exit_mm kernel/exit.c:564 [inline] do_exit+0x9d7/0x2960 kernel/exit.c:858 do_group_exit+0xd4/0x2a0 kernel/exit.c:1021 get_signal+0x2315/0x25b0 kernel/signal.c:2874 arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2ac068c169 Code: Unable to access opcode bytes at 0x7f2ac068c13f. RSP: 002b:00007f2abf1fe218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f2ac07abf88 RCX: 00007f2ac068c169 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f2ac07abf88 RBP: 00007f2ac07abf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2ac07abf8c R13: 00007ffd224b4d3f R14: 00007f2abf1fe300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:page_table_check_clear.part.0+0x323/0x380 mm/page_table_check.c:83 Code: ff 89 de e8 3f 62 a2 ff 85 db 0f 89 7c fe ff ff e8 12 66 a2 ff 0f 0b e8 0b 66 a2 ff 0f 0b e8 04 66 a2 ff 0f 0b e8 fd 65 a2 ff <0f> 0b e8 f6 65 a2 ff 0f 0b 48 c7 c7 00 f7 e6 91 e8 f8 2c f5 ff e9 RSP: 0018:ffffc90015dff620 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880131bfbb0 RCX: 0000000000000000 RDX: ffff888087e05940 RSI: ffffffff81e1f843 RDI: 0000000000000005 RBP: ffff8880131bfb70 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001741 CR3: 000000009c5bc000 CR4: 0000000000350ee0