R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000004c0f8b R14: 00000000004d0e88 R15: 0000000000000000
Not allocated shadow for addr ffff8801c18b3005 (page ffffea000a894320)
Attempted to access 8 bytes
------------[ cut here ]------------
kernel BUG at mm/kmsan/kmsan.c:1386!
invalid opcode: 0000 [#1] SMP PTI
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 1835 Comm: syz-executor3 Not tainted 4.17.0+ #9
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kmsan_get_shadow_address+0x1ce/0x1f0 mm/kmsan/kmsan.c:1385
RSP: 0018:ffff88019fc2f868 EFLAGS: 00010086
RAX: 000000000000001b RBX: 0000000000000700 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000021e0a RDI: 0000000000021e0b
RBP: ffff88019fc2f880 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff86575950 R12: ffff88015778c094
R13: ffff880110988000 R14: 0000000000000001 R15: 0000000000000008
FS:  00007fcc60845700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2d87d3edb8 CR3: 00000001c7fac000 CR4: 00000000001406f0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 __msan_memcpy+0xaf/0x160 mm/kmsan/kmsan_instr.c:403
 tls_fill_prepend include/net/tls.h:278 [inline]
 tls_push_record+0x761/0x1f10 net/tls/tls_sw.c:240
 tls_sw_sendmsg+0x19d3/0x20e0 net/tls/tls_sw.c:484
 inet_sendmsg+0x3fc/0x760 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:629 [inline]
 sock_sendmsg net/socket.c:639 [inline]
 __sys_sendto+0x6c4/0x7e0 net/socket.c:1789
 __do_sys_sendto net/socket.c:1801 [inline]
 __se_sys_sendto net/socket.c:1797 [inline]
 __x64_sys_sendto+0x1a1/0x210 net/socket.c:1797
 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x455b29
RSP: 002b:00007fcc60844c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fcc608456d4 RCX: 0000000000455b29
RDX: 00000000fffffdef RSI: 00000000200005c0 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000020000000 R09: 000000000000001c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000004c0f8b R14: 00000000004d0e88 R15: 0000000000000000
Code: 75 29 48 c7 c7 1d 39 97 8a 31 c0 e8 2d 4c 80 ff 80 3c 25 f8 93 53 8b 00 75 11 48 c7 c7 4d 39 97 8a 31 c0 4c 89 fe e8 12 4c 80 ff <0f> 0b eb fe 48 3d ff ff ff 1f 0f 87 a2 fe ff ff 48 8b 1c 25 10 
RIP: kmsan_get_shadow_address+0x1ce/0x1f0 mm/kmsan/kmsan.c:1385 RSP: ffff88019fc2f868
---[ end trace 27112e20ae31aa93 ]---