Not allocated shadow for addr ffff880100000000 (page ffffea0006000000)
Attempted to access 1280 bytes
------------[ cut here ]------------
kernel BUG at mm/kmsan/kmsan.c:1114!
invalid opcode: 0000 [#1] SMP PTI
CPU: 1 PID: 8152 Comm: syz-executor7 Not tainted 4.19.0-rc1+ #40
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kmsan_get_shadow_address+0x2d6/0x3d0 mm/kmsan/kmsan.c:1112
Code: e9 89 00 00 00 c7 04 25 60 35 4f 8a 01 00 00 00 65 48 8b 04 25 80 fc 02 00 c6 80 f3 08 00 00 01 80 3c 25 78 35 4f 8a 00 74 0c <0f> 0b 0f 1f 84 00 00 00 00 00 eb fe 48 c7 c7 39 81 8a 89 31 c0 4c
RSP: 0018:ffff880126d0f790 EFLAGS: 00010082
RAX: 000000000000001e RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000002109 RDI: 000000000000210a
RBP: ffff880126d0f7c0 R08: 0000000000000000 R09: ffff88021fd39250
R10: 0000000000000000 R11: ffffffff854248c0 R12: 0000000000000001
R13: ffff880100000000 R14: 0000000000000001 R15: 0000000000000500
FS:  00007f006c8cc700(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4161ab7000 CR3: 00000001a4b92000 CR4: 00000000001406e0
Call Trace:
 kmsan_internal_memset_shadow mm/kmsan/kmsan.c:164 [inline]
 kmsan_internal_poison_shadow+0x6c/0x1b0 mm/kmsan/kmsan.c:180
 kmsan_kmalloc+0x98/0x100 mm/kmsan/kmsan_hooks.c:91
 kmsan_slab_alloc+0x10/0x20 mm/kmsan/kmsan_hooks.c:100
 slab_post_alloc_hook mm/slab.h:446 [inline]
 slab_alloc_node mm/slub.c:2719 [inline]
 slab_alloc mm/slub.c:2727 [inline]
 kmem_cache_alloc+0x643/0xb20 mm/slub.c:2732
 sk_prot_alloc+0xf3/0x520 net/core/sock.c:1462
 sk_alloc+0xf0/0xbb0 net/core/sock.c:1522
 inet6_create+0x786/0x1660 net/ipv6/af_inet6.c:183
 __sock_create+0x665/0xf30 net/socket.c:1275
 sock_create net/socket.c:1315 [inline]
 __sys_socket+0x175/0x650 net/socket.c:1345
 __do_sys_socket net/socket.c:1354 [inline]
 __se_sys_socket+0x8d/0xb0 net/socket.c:1352
 __x64_sys_socket+0x4a/0x70 net/socket.c:1352
 do_syscall_64+0xb8/0x100 arch/x86/entry/common.c:291
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x457099
Code: fd b4 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 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f006c8cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f006c8cc6d4 RCX: 0000000000457099
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000000000000000a
RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004d6540 R14: 00000000004c9a69 R15: 0000000000000000
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace af0cc7beef91b3b4 ]---
RIP: 0010:kmsan_get_shadow_address+0x2d6/0x3d0 mm/kmsan/kmsan.c:1112
Code: e9 89 00 00 00 c7 04 25 60 35 4f 8a 01 00 00 00 65 48 8b 04 25 80 fc 02 00 c6 80 f3 08 00 00 01 80 3c 25 78 35 4f 8a 00 74 0c <0f> 0b 0f 1f 84 00 00 00 00 00 eb fe 48 c7 c7 39 81 8a 89 31 c0 4c
RSP: 0018:ffff880126d0f790 EFLAGS: 00010082
RAX: 000000000000001e RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000002109 RDI: 000000000000210a
RBP: ffff880126d0f7c0 R08: 0000000000000000 R09: ffff88021fd39250
R10: 0000000000000000 R11: ffffffff854248c0 R12: 0000000000000001
R13: ffff880100000000 R14: 0000000000000001 R15: 0000000000000500
FS:  00007f006c8cc700(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4161ab7000 CR3: 00000001a4b92000 CR4: 00000000001406e0