RBP: 00007f79519cf120 R08: 0000000000000003 R09: 0000000000000000 R10: 0000000000011012 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007f7950d9bf80 R15: 00007ffec91c1c58 ------------[ cut here ]------------ kernel BUG at mm/page_table_check.c:157! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 PID: 5454 Comm: syz-executor.0 Not tainted 6.10.0-rc6-syzkaller-00061-ge9d22f7a6655 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 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 43 f4 ff e9 2c fe ff ff e8 dd d7 91 ff 90 0f 0b e8 d5 d7 91 ff 90 0f 0b e8 cd d7 91 ff 90 <0f> 0b f3 0f 1e fa 4c 89 f6 48 81 e6 ff 0f 00 00 31 ff e8 95 dc 91 RSP: 0018:ffffc90004bbf838 EFLAGS: 00010293 RAX: ffffffff82044e93 RBX: dffffc0000000000 RCX: ffff888025bf3c00 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880188f004c RBP: ffff8880188f004c R08: ffff8880188f004f R09: 1ffff1100311e009 R10: dffffc0000000000 R11: ffffed100311e00a R12: ffff8880188f0000 R13: 1ffffffff28fad80 R14: 000000000000000a R15: 0000000000000000 FS: 00007f79519cf6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe1dae5708 CR3: 000000002c20e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: page_table_check_free include/linux/page_table_check.h:41 [inline] free_pages_prepare mm/page_alloc.c:1094 [inline] __free_pages_ok+0xb5a/0xcb0 mm/page_alloc.c:1213 dec_usb_memory_use_count+0x259/0x350 drivers/usb/core/devio.c:198 usbdev_mmap+0x7e3/0x900 call_mmap include/linux/fs.h:2107 [inline] mmap_region+0xe8f/0x2090 mm/mmap.c:2886 do_mmap+0x8ad/0xfa0 mm/mmap.c:1397 vm_mmap_pgoff+0x1dd/0x3d0 mm/util.c:573 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: 0033:0x7f7950c7cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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:00007f79519cf0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f7950d9bf80 RCX: 00007f7950c7cae9 RDX: 0000000001000002 RSI: 0000000000400000 RDI: 0000000020000000 RBP: 00007f79519cf120 R08: 0000000000000003 R09: 0000000000000000 R10: 0000000000011012 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007f7950d9bf80 R15: 00007ffec91c1c58 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 43 f4 ff e9 2c fe ff ff e8 dd d7 91 ff 90 0f 0b e8 d5 d7 91 ff 90 0f 0b e8 cd d7 91 ff 90 <0f> 0b f3 0f 1e fa 4c 89 f6 48 81 e6 ff 0f 00 00 31 ff e8 95 dc 91 RSP: 0018:ffffc90004bbf838 EFLAGS: 00010293 RAX: ffffffff82044e93 RBX: dffffc0000000000 RCX: ffff888025bf3c00 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880188f004c RBP: ffff8880188f004c R08: ffff8880188f004f R09: 1ffff1100311e009 R10: dffffc0000000000 R11: ffffed100311e00a R12: ffff8880188f0000 R13: 1ffffffff28fad80 R14: 000000000000000a R15: 0000000000000000 FS: 00007f79519cf6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe1dae5708 CR3: 000000002c20e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400