R10: 0000000000011012 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007fd6de59bf80 R15: 00007ffed5907c18 ------------[ cut here ]------------ kernel BUG at mm/page_table_check.c:146! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5472 Comm: syz-executor.0 Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:__page_table_check_zero+0x2d8/0x4a0 mm/page_table_check.c:146 Code: ff cb e9 b5 fd ff ff e8 76 fd 97 ff 48 ff cb e9 27 fe ff ff e8 69 fd 97 ff 90 0f 0b e8 61 fd 97 ff 90 0f 0b e8 59 fd 97 ff 90 <0f> 0b f3 0f 1e fa 4c 89 f6 48 81 e6 ff 0f 00 00 31 ff e8 81 01 98 RSP: 0018:ffffc900051a78b8 EFLAGS: 00010293 RAX: ffffffff81f6f0a7 RBX: dffffc0000000000 RCX: ffff888021701dc0 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88801640004c RBP: ffff88801640004c R08: ffff88801640004f R09: 1ffff11002c80009 R10: dffffc0000000000 R11: ffffed1002c8000a R12: 0000000000000000 R13: 1ffffffff24c9fcc R14: 000000000000000a R15: ffff888016400000 FS: 00007fd6ddfff6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd6de5980c0 CR3: 000000002dcc8000 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:1141 [inline] __free_pages_ok+0xc46/0xd60 mm/page_alloc.c:1269 dec_usb_memory_use_count+0x259/0x350 drivers/usb/core/devio.c:198 usbdev_mmap+0x80b/0x940 call_mmap include/linux/fs.h:2090 [inline] mmap_region+0xda2/0x1f90 mm/mmap.c:2819 do_mmap+0x76b/0xde0 mm/mmap.c:1379 vm_mmap_pgoff+0x1e2/0x420 mm/util.c:556 ksys_mmap_pgoff+0x4ff/0x6d0 mm/mmap.c:1425 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fd6de47cae9 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:00007fd6ddfff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fd6de59bf80 RCX: 00007fd6de47cae9 RDX: 0000000001000002 RSI: 0000000000400000 RDI: 0000000020000000 RBP: 00007fd6ddfff120 R08: 0000000000000003 R09: 0000000000000000 R10: 0000000000011012 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007fd6de59bf80 R15: 00007ffed5907c18 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__page_table_check_zero+0x2d8/0x4a0 mm/page_table_check.c:146 Code: ff cb e9 b5 fd ff ff e8 76 fd 97 ff 48 ff cb e9 27 fe ff ff e8 69 fd 97 ff 90 0f 0b e8 61 fd 97 ff 90 0f 0b e8 59 fd 97 ff 90 <0f> 0b f3 0f 1e fa 4c 89 f6 48 81 e6 ff 0f 00 00 31 ff e8 81 01 98 RSP: 0018:ffffc900051a78b8 EFLAGS: 00010293 RAX: ffffffff81f6f0a7 RBX: dffffc0000000000 RCX: ffff888021701dc0 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88801640004c RBP: ffff88801640004c R08: ffff88801640004f R09: 1ffff11002c80009 R10: dffffc0000000000 R11: ffffed1002c8000a R12: 0000000000000000 R13: 1ffffffff24c9fcc R14: 000000000000000a R15: ffff888016400000 FS: 00007fd6ddfff6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005591ab9d0131 CR3: 000000002dcc8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400