------------[ cut here ]------------ kernel BUG at mm/page_table_check.c:157! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 5664 Comm: syz.3.131 Not tainted 6.10.0-syzkaller-11185-g2c9b3512402e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:__page_table_check_zero+0x274/0x350 mm/page_table_check.c:157 Code: c1 0f 8c 39 fe ff ff 48 89 df e8 a7 34 f4 ff e9 2c fe ff ff e8 fd f7 8d ff 90 0f 0b e8 f5 f7 8d ff 90 0f 0b e8 ed f7 8d ff 90 <0f> 0b f3 0f 1e fa 4c 89 f6 48 81 e6 ff 0f 00 00 31 ff e8 b5 fc 8d RSP: 0018:ffffc90009ccf938 EFLAGS: 00010287 RAX: ffffffff82054bd3 RBX: dffffc0000000000 RCX: 0000000000040000 RDX: ffffc9000a123000 RSI: 000000000000554c RDI: 000000000000554d RBP: ffff88801919c84c R08: ffff88801919c84f R09: 1ffff11003233909 R10: dffffc0000000000 R11: ffffed100323390a R12: ffff88801919c800 R13: 1ffffffff290d210 R14: 0000000000000002 R15: 0000000000000000 FS: 00007f46c5d746c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c30b68f CR3: 000000002b362000 CR4: 0000000000350ef0 Call Trace: page_table_check_free include/linux/page_table_check.h:41 [inline] free_pages_prepare mm/page_alloc.c:1094 [inline] free_unref_page+0xd36/0xea0 mm/page_alloc.c:2588 dec_usb_memory_use_count+0x259/0x350 drivers/usb/core/devio.c:198 mmap_region+0x13b6/0x2090 mm/mmap.c:3005 do_mmap+0x8ad/0xfa0 mm/mmap.c:1397 vm_mmap_pgoff+0x1dd/0x3d0 mm/util.c:588 ksys_mmap_pgoff+0x4f1/0x720 mm/mmap.c:1443 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: 0033:0x7f46c4f75b59 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:00007f46c5d74048 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f46c5105f60 RCX: 00007f46c4f75b59 RDX: 000000000200000f RSI: 0000000000004000 RDI: 0000000020ff9000 RBP: 00007f46c4fe4e5d R08: 0000000000000006 R09: 0000000000000000 R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f46c5105f60 R15: 00007ffc65593498 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__page_table_check_zero+0x274/0x350 mm/page_table_check.c:157 Code: c1 0f 8c 39 fe ff ff 48 89 df e8 a7 34 f4 ff e9 2c fe ff ff e8 fd f7 8d ff 90 0f 0b e8 f5 f7 8d ff 90 0f 0b e8 ed f7 8d ff 90 <0f> 0b f3 0f 1e fa 4c 89 f6 48 81 e6 ff 0f 00 00 31 ff e8 b5 fc 8d RSP: 0018:ffffc90009ccf938 EFLAGS: 00010287 RAX: ffffffff82054bd3 RBX: dffffc0000000000 RCX: 0000000000040000 RDX: ffffc9000a123000 RSI: 000000000000554c RDI: 000000000000554d RBP: ffff88801919c84c R08: ffff88801919c84f R09: 1ffff11003233909 R10: dffffc0000000000 R11: ffffed100323390a R12: ffff88801919c800 R13: 1ffffffff290d210 R14: 0000000000000002 R15: 0000000000000000 FS: 00007f46c5d746c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a5fd3754a0 CR3: 000000002b362000 CR4: 0000000000350ef0