------------[ cut here ]------------
kernel BUG at mm/kmsan/kmsan.c:266!
invalid opcode: 0000 [#1] SMP
CPU: 0 PID: 16722 Comm: syz-executor0 Not tainted 5.0.0-rc1+ #7
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kmsan_memcpy_memmove_metadata+0xefe/0xf10 mm/kmsan/kmsan.c:281
Code: fb ff ff 48 8b 04 25 10 90 c3 8b 4c 01 e0 4c 8b 45 d0 48 bf 00 00 00 00 80 77 00 00 49 89 fa e9 54 f9 ff ff 0f 0b 0f 0b 0f 0b <0f> 0b 0f 0b 0f 0b 0f 0b 0f 0b 0f 0b 66 0f 1f 44 00 00 55 48 89 e5
RSP: 0018:ffff88801672fca8 EFLAGS: 00010202
RAX: 0000000000000001 RBX: ffffc900d8e07000 RCX: 999999e00000002e
RDX: 00000003ffffffff RSI: 00000000000001b2 RDI: 0000778000000000
RBP: ffff88801672fd08 R08: ffffc90058e07000 R09: 0000000000000000
R10: 0000408058e07000 R11: ffffc90058ffffff R12: ffffc90058e07000
R13: 0000000000000000 R14: ffffc90058e19000 R15: 0000000000004008
FS:  00007fcaea1c5700(0000) GS:ffff88812fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000738000 CR3: 00000000166b8000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 kmsan_memcpy_metadata+0xb/0x10 mm/kmsan/kmsan.c:324
 __msan_memcpy+0x58/0x70 mm/kmsan/kmsan_instr.c:139
 write_ldt+0xa3a/0xf00 arch/x86/kernel/ldt.c:518
 __do_sys_modify_ldt arch/x86/kernel/ldt.c:569 [inline]
 __se_sys_modify_ldt+0xe8/0x580 arch/x86/kernel/ldt.c:553
 __x64_sys_modify_ldt+0x45/0x60 arch/x86/kernel/ldt.c:553
 do_syscall_64+0xbc/0xf0 arch/x86/entry/common.c:291
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x457ec9
Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fcaea1c4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000009a
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9
RDX: 0000000000000010 RSI: 00000000200000c0 RDI: 0000000000000001
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcaea1c56d4
R13: 00000000004c3bee R14: 00000000004d6b78 R15: 00000000ffffffff
Modules linked in:
---[ end trace 3776c66fbdbf915c ]---
RIP: 0010:kmsan_memcpy_memmove_metadata+0xefe/0xf10 mm/kmsan/kmsan.c:281
Code: fb ff ff 48 8b 04 25 10 90 c3 8b 4c 01 e0 4c 8b 45 d0 48 bf 00 00 00 00 80 77 00 00 49 89 fa e9 54 f9 ff ff 0f 0b 0f 0b 0f 0b <0f> 0b 0f 0b 0f 0b 0f 0b 0f 0b 0f 0b 66 0f 1f 44 00 00 55 48 89 e5
RSP: 0018:ffff88801672fca8 EFLAGS: 00010202
RAX: 0000000000000001 RBX: ffffc900d8e07000 RCX: 999999e00000002e
RDX: 00000003ffffffff RSI: 00000000000001b2 RDI: 0000778000000000
RBP: ffff88801672fd08 R08: ffffc90058e07000 R09: 0000000000000000
R10: 0000408058e07000 R11: ffffc90058ffffff R12: ffffc90058e07000
R13: 0000000000000000 R14: ffffc90058e19000 R15: 0000000000004008
FS:  00007fcaea1c5700(0000) GS:ffff88812fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000738000 CR3: 00000000166b8000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400