netlink: 256 bytes leftover after parsing attributes in process `syz.6.1457'.
------------[ cut here ]------------
kernel BUG at mm/page_table_check.c:157!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 14918 Comm: syz.6.1457 Not tainted 6.12.0-rc5-syzkaller-00299-g11066801dd4b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__page_table_check_zero+0x2f8/0x360 mm/page_table_check.c:157
Code: ff 48 89 ef e8 69 d1 ff ff 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f e9 66 59 92 ff e8 61 59 92 ff 90 0f 0b e8 59 59 92 ff 90 <0f> 0b e8 51 59 92 ff 90 0f 0b e8 39 e0 f3 ff e9 8a fd ff ff 48 c7
RSP: 0018:ffffc9000458f868 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81fb220d
RDX: ffff88803332c880 RSI: ffffffff81fb2327 RDI: 0000000000000005
RBP: ffff88801d918000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: 000000000000000a R14: ffff88801d91804c R15: dffffc0000000000
FS:  00007f62bdd9b6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3cb77a CR3: 000000005cdc2000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 page_table_check_free include/linux/page_table_check.h:41 [inline]
 free_pages_prepare mm/page_alloc.c:1109 [inline]
 __free_pages_ok+0x54e/0xb70 mm/page_alloc.c:1250
 hcd_buffer_free_pages+0xe8/0x180 drivers/usb/core/buffer.c:210
 dec_usb_memory_use_count+0x27b/0x410 drivers/usb/core/devio.c:198
 mmap_region+0x1e06/0x28f0 mm/mmap.c:1576
 do_mmap+0xc00/0xfc0 mm/mmap.c:496
 vm_mmap_pgoff+0x1ba/0x360 mm/util.c:588
 ksys_mmap_pgoff+0x32c/0x5c0 mm/mmap.c:542
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f62bcf7e719
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:00007f62bdd9b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f62bd136058 RCX: 00007f62bcf7e719
RDX: 000000000000000f RSI: 0000000000400000 RDI: 0000000020000000
RBP: 00007f62bcff132e R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f62bd136058 R15: 00007ffd5a792718
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__page_table_check_zero+0x2f8/0x360 mm/page_table_check.c:157
Code: ff 48 89 ef e8 69 d1 ff ff 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f e9 66 59 92 ff e8 61 59 92 ff 90 0f 0b e8 59 59 92 ff 90 <0f> 0b e8 51 59 92 ff 90 0f 0b e8 39 e0 f3 ff e9 8a fd ff ff 48 c7
RSP: 0018:ffffc9000458f868 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81fb220d
RDX: ffff88803332c880 RSI: ffffffff81fb2327 RDI: 0000000000000005
RBP: ffff88801d918000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: 000000000000000a R14: ffff88801d91804c R15: dffffc0000000000
FS:  00007f62bdd9b6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5a2a0ca5a0 CR3: 000000005cdc2000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400