------------[ cut here ]------------
memtype_reserve failed: [mem 0xffffffffff000-0x003fefff], req write-back
WARNING: CPU: 1 PID: 7015 at arch/x86/mm/pat/memtype.c:590 memtype_reserve+0x171/0xbd0 arch/x86/mm/pat/memtype.c:589
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 7015 Comm: syz-executor854 Not tainted 5.7.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1e9/0x30e lib/dump_stack.c:118
 panic+0x264/0x7a0 kernel/panic.c:221
 __warn+0x209/0x210 kernel/panic.c:582
 report_bug+0x1ac/0x2d0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:175 [inline]
 do_error_trap+0xca/0x1c0 arch/x86/kernel/traps.c:267
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:memtype_reserve+0x171/0xbd0 arch/x86/mm/pat/memtype.c:589
Code: ed eb 2e e8 01 f3 3e 00 49 c7 c0 09 78 e6 88 48 c7 c7 6c 75 e6 88 48 c7 c6 96 75 e6 88 48 89 da 4c 89 f1 31 c0 e8 9f 08 11 00 <0f> 0b bd ea ff ff ff 65 48 8b 04 25 28 00 00 00 48 3b 44 24 30 0f
RSP: 0018:ffffc90001577970 EFLAGS: 00010246
RAX: ec70f15e04a40d00 RBX: 000ffffffffff000 RCX: ffff888095a2e200
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffffff8862b9b8 R08: ffffffff815ccd99 R09: ffffed1015d26660
R10: ffffed1015d26660 R11: 0000000000000000 R12: 00000000003ff000
R13: 1ffff920002aef46 R14: 00000000003fefff R15: ffffc90001577a24
 reserve_pfn_range+0x278/0xd30 arch/x86/mm/pat/memtype.c:941
 track_pfn_remap+0xdb/0x870 arch/x86/mm/pat/memtype.c:1033
 remap_pfn_range+0x1c9/0xcc0 mm/memory.c:2130
 usbdev_mmap+0x394/0x5e0 drivers/usb/core/devio.c:254
 call_mmap include/linux/fs.h:1912 [inline]
 mmap_region+0x139a/0x1b80 mm/mmap.c:1772
 do_mmap+0xad3/0x1150 mm/mmap.c:1545
 do_mmap_pgoff include/linux/mm.h:2553 [inline]
 vm_mmap_pgoff+0x147/0x1e0 mm/util.c:506
 ksys_mmap_pgoff+0x484/0x570 mm/mmap.c:1595
 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x443e79
Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 7b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffe592ec518 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000443e79
RDX: 0000000000000000 RSI: 0000000000400000 RDI: 0000000020000000
RBP: 00000000006ce018 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000401b80
R13: 0000000000401c10 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..