RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Kernel panic - not syncing: Machine halted. CPU: 1 PID: 4611 Comm: syz-executor5 Not tainted 4.18.0-rc4+ #23 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:785 [inline] RIP: 0010:kmsan_get_shadow_address+0x1b1/0x3d0 mm/kmsan/kmsan.c:1120 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 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: 000000000003d1d8 RBX: 0000000000000028 RCX: 000000000000002e RDX: 0000780000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: fffffe000003d030 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: fffffe000003d1d8 R14: 0000000000000001 R15: 0000000000000001 kmsan_memcpy_shadow mm/kmsan/kmsan.c:285 [inline] kmsan_memmove_shadow+0x63/0xa0 mm/kmsan/kmsan.c:474 __msan_memmove+0xb7/0x150 mm/kmsan/kmsan_instr.c:376 fixup_bad_iret+0x71/0x110 arch/x86/kernel/traps.c:666 error_entry+0xe8/0x100 arch/x86/entry/entry_64.S:1319 RIP: 0010:native_irq_return_iret+0x0/0x2 Code: 22 41 5f 41 5e 41 5d 41 5c 5d 5b 41 5b 41 5a 41 59 41 58 58 59 5a 5e 5f 48 83 c4 08 eb 05 0f 1f 44 00 00 f6 44 24 20 04 75 02 <48> cf 57 0f 01 f8 66 90 0f 20 df 0f 1f 44 00 00 48 81 e7 ff e7 ff RSP: 0018:fffffe000003d1d8 EFLAGS: 00010046 ORIG_RAX: 000000000000615c RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..