RDX: 0000000000000217 RSI: 0000000000000000 RDI: 000000000000001c
RBP: 00000000006cb018 R08: 00000000004019a0 R09: 0000000000401a30
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000004019a0
R13: 0000000000401a30 R14: 0000000000000000 R15: 0000000000000000
 </ENTRY_TRAMPOLINE>
Kernel panic - not syncing: Machine halted.
CPU: 1 PID: 4550 Comm: syz-executor358 Not tainted 4.18.0-rc4+ #27
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <#DF>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x185/0x1e0 lib/dump_stack.c:113
 panic+0x3d0/0x9b0 kernel/panic.c:184
 df_debug+0xa6/0xb0 arch/x86/kernel/doublefault.c:81
 do_double_fault+0x30f/0x420 arch/x86/kernel/traps.c:446
 double_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1001
RIP: 0010:get_cea_shadow_or_null mm/kmsan/kmsan.c:777 [inline]
RIP: 0010:kmsan_get_shadow_address+0x1b1/0x3d0 mm/kmsan/kmsan.c:1112
Code: ff 48 01 cb e9 11 02 00 00 65 44 8b 3c 25 20 a1 02 00 48 b8 00 00 00 00 00 02 00 00 4c 01 e8 48 3d ff 0f ec 00 77 35 44 89 ff <e8> aa 84 59 ff 4c 89 e9 48 29 c1 85 c9 78 23 48 63 c1 48 3d ff af 
RSP: 0018:fffffe000003d000 EFLAGS: 00010093
RAX: 000000000003d150 RBX: 0000000000000088 RCX: 000000000000002e
RDX: 0000780000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: fffffe000003d030 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8a400f48 R11: ffffffff8a400f48 R12: 0000000000000001
R13: fffffe000003d150 R14: 0000000000000001 R15: 0000000000000001
 </#DF>
 <ENTRY_TRAMPOLINE>
 kmsan_memmove_shadow+0x87/0xe0 mm/kmsan/kmsan.c:332
 __msan_memmove+0xb7/0x150 mm/kmsan/kmsan_instr.c:376
 fixup_bad_iret+0x85/0x110 arch/x86/kernel/traps.c:669
 error_entry+0xe8/0x100 arch/x86/entry/entry_64.S:1319
RIP: 440519:0x1
Code: Bad RIP value.
RSP: 03ff:00000000200092c0 EFLAGS: 000004ff ORIG_RAX: 000000000000001c
RAX: 00000000006cb018 RBX: ffffffff8a400f48 RCX: 00000000004002c8
RDX: 0000000000000217 RSI: 0000000000000000 RDI: 000000000000001c
RBP: 00000000006cb018 R08: 00000000004019a0 R09: 0000000000401a30
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000004019a0
R13: 0000000000401a30 R14: 0000000000000000 R15: 0000000000000000
 </ENTRY_TRAMPOLINE>
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..