------------[ cut here ]------------
memtype_reserve failed: [mem 0xffffffffff000-0x00008fff], req write-back
WARNING: CPU: 1 PID: 8422 at arch/x86/mm/pat/memtype.c:590 memtype_reserve+0x429/0x6c0 arch/x86/mm/pat/memtype.c:589
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 8422 Comm: syz-executor.3 Not tainted 5.7.0-rc3-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+0x128/0x182 lib/dump_stack.c:118
 panic+0x22a/0x4e3 kernel/panic.c:221
 __warn.cold.10+0x25/0x26 kernel/panic.c:582
 report_bug+0x1ad/0x270 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:175 [inline]
 do_error_trap+0x123/0x210 arch/x86/kernel/traps.c:267
 do_invalid_op+0x31/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:memtype_reserve+0x429/0x6c0 arch/x86/mm/pat/memtype.c:589
Code: 10 00 0f 85 a7 02 00 00 4e 8b 04 f5 00 58 88 87 48 8d 4b ff 48 89 ea 48 c7 c6 60 58 88 87 48 c7 c7 c0 50 88 87 e8 03 71 0f 00 <0f> 0b 41 bf ea ff ff ff e9 ec fd ff ff 41 bf ea ff ff ff e9 e1 fd
RSP: 0018:ffffc90004c37868 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000009000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffff8b8d6160
RBP: 000ffffffffff000 R08: ffffed1015d266a9 R09: ffffed1015d266a9
R10: ffff8880ae933547 R11: ffffed1015d266a8 R12: 1ffff92000986f12
R13: 000000000000a000 R14: 0000000000000000 R15: 0000000000009000
 reserve_pfn_range+0x10f/0x300 arch/x86/mm/pat/memtype.c:941
 track_pfn_remap+0xfd/0x210 arch/x86/mm/pat/memtype.c:1033
 remap_pfn_range+0x19b/0x7f0 mm/memory.c:2130
 usbdev_mmap+0x375/0x730 drivers/usb/core/devio.c:254
 call_mmap include/linux/fs.h:1912 [inline]
 mmap_region+0x8df/0x12a0 mm/mmap.c:1772
 do_mmap+0x5b9/0xea0 mm/mmap.c:1545
 do_mmap_pgoff include/linux/mm.h:2553 [inline]
 vm_mmap_pgoff+0x16c/0x1d0 mm/util.c:506
 ksys_mmap_pgoff+0x3a0/0x5a0 mm/mmap.c:1595
 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline]
 do_fast_syscall_32+0x231/0xba0 arch/x86/entry/common.c:396
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
Kernel Offset: disabled
Rebooting in 86400 seconds..