Not allocated shadow for addr ffff88019f724c08 (page ffffea0009bcad80)
Attempted to access 8 bytes
------------[ cut here ]------------
kernel BUG at mm/kmsan/kmsan.c:1114!
invalid opcode: 0000 [#1] SMP PTI
CPU: 1 PID: 4820 Comm: syz-executor133 Not tainted 4.19.0-rc4+ #56
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 75 9e 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 75 9e 8a 00 74 0c <0f> 0b 0f 1f 84 00 00 00 00 00 eb fe 48 c7 c7 99 23 cb 89 31 c0 4c
RSP: 0018:ffff8801aee6f780 EFLAGS: 00010086
RAX: 000000000000001b RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000
RBP: ffff8801aee6f7b0 R08: 0000000000000000 R09: ffff88021fd39250
R10: 0000000000000000 R11: ffffffff8560abe0 R12: 0000000000000001
R13: ffff88019f724c08 R14: 0000000000000001 R15: 0000000000000008
FS:  0000000000a8c880(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000006d0138 CR3: 00000001b0102000 CR4: 00000000001406e0
Call Trace:
 kmsan_internal_memset_shadow mm/kmsan/kmsan.c:164 [inline]
 kmsan_internal_unpoison_shadow+0x5c/0xe0 mm/kmsan/kmsan.c:201
 kmsan_unpoison_shadow+0x66/0xb0 mm/kmsan/kmsan.c:215
 native_ptep_get_and_clear arch/x86/include/asm/pgtable_64.h:87 [inline]
 ptep_get_and_clear arch/x86/include/asm/pgtable.h:1104 [inline]
 vunmap_pte_range mm/vmalloc.c:67 [inline]
 vunmap_pmd_range mm/vmalloc.c:84 [inline]
 vunmap_pud_range mm/vmalloc.c:100 [inline]
 vunmap_p4d_range mm/vmalloc.c:116 [inline]
 vunmap_page_range+0x82e/0xc30 mm/vmalloc.c:131
 unmap_vmap_area mm/vmalloc.c:604 [inline]
 free_unmap_vmap_area mm/vmalloc.c:739 [inline]
 remove_vm_area+0x39b/0x450 mm/vmalloc.c:1491
 __vunmap+0x34c/0x5d0 mm/vmalloc.c:1519
 vfree+0x79/0x170 mm/vmalloc.c:1594
 copy_entries_to_user net/ipv6/netfilter/ip6_tables.c:886 [inline]
 get_entries net/ipv6/netfilter/ip6_tables.c:1044 [inline]
 do_ip6t_get_ctl+0x1022/0x10a0 net/ipv6/netfilter/ip6_tables.c:1712
 nf_sockopt net/netfilter/nf_sockopt.c:104 [inline]
 nf_getsockopt+0x481/0x4e0 net/netfilter/nf_sockopt.c:122
 ipv6_getsockopt+0x26c/0x4f0 net/ipv6/ipv6_sockglue.c:1381
 tcp_getsockopt+0x1c6/0x1f0 net/ipv4/tcp.c:3583
 sock_common_getsockopt+0x13f/0x180 net/core/sock.c:2997
 __sys_getsockopt+0x48c/0x550 net/socket.c:1937
 __do_sys_getsockopt net/socket.c:1948 [inline]
 __se_sys_getsockopt+0xe1/0x100 net/socket.c:1945
 __x64_sys_getsockopt+0x62/0x80 net/socket.c:1945
 do_syscall_64+0xb8/0x100 arch/x86/entry/common.c:291
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x44835a
Code: b8 10 01 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 9d a4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7a a4 fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007ffcd0334c18 EFLAGS: 00000212 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00000000006d2fe0 RCX: 000000000044835a
RDX: 0000000000000041 RSI: 0000000000000029 RDI: 0000000000000003
RBP: 00000000006d2fe0 R08: 00007ffcd0334c3c R09: 0000000000004000
R10: 00007ffcd0334d40 R11: 0000000000000212 R12: 0000000000000003
R13: 00007ffcd0334d40 R14: 00007ffcd0334c40 R15: 0000000000000029
Modules linked in:
---[ end trace 46053e7afd2f3c3b ]---
RIP: 0010:kmsan_get_shadow_address+0x2d6/0x3d0 mm/kmsan/kmsan.c:1112
Code: e9 89 00 00 00 c7 04 25 60 75 9e 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 75 9e 8a 00 74 0c <0f> 0b 0f 1f 84 00 00 00 00 00 eb fe 48 c7 c7 99 23 cb 89 31 c0 4c
RSP: 0018:ffff8801aee6f780 EFLAGS: 00010086
RAX: 000000000000001b RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000
RBP: ffff8801aee6f7b0 R08: 0000000000000000 R09: ffff88021fd39250
R10: 0000000000000000 R11: ffffffff8560abe0 R12: 0000000000000001
R13: ffff88019f724c08 R14: 0000000000000001 R15: 0000000000000008
FS:  0000000000a8c880(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000006d0138 CR3: 00000001b0102000 CR4: 00000000001406e0