flags: 0x2fffc0000000000()
raw: 02fffc0000000000 0000000000000000 0000000000000000 00000000ffffff80
raw: ffffea0006cd4a20 ffff88021fffac18 0000000000000003 0000000000000000
page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) == 0)
------------[ cut here ]------------
kernel BUG at include/linux/mm.h:492!
invalid opcode: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 12729 Comm: syz-executor1 Not tainted 4.17.0-rc4+ #53
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:put_page_testzero include/linux/mm.h:492 [inline]
RIP: 0010:put_page include/linux/mm.h:873 [inline]
RIP: 0010:tls_sk_proto_close+0x866/0xa70 net/tls/tls_main.c:270
RSP: 0018:ffff8801ca49f408 EFLAGS: 00010203
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81a5f455 RDI: ffffed0039493e70
RBP: ffff8801ca49f568 R08: ffff8801aeaa6540 R09: ffffed003b5c4fb0
R10: ffffed003b5c4fb0 R11: ffff8801dae27d87 R12: ffff8801af894040
R13: ffff8801964805a0 R14: ffffea0006af0c1c R15: ffffea0006af0c00
FS:  0000000002242940(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffff600400 CR3: 00000001b05b5000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 inet_release+0x104/0x1f0 net/ipv4/af_inet.c:427
 inet6_release+0x50/0x70 net/ipv6/af_inet6.c:459
 sock_release+0x96/0x1b0 net/socket.c:594
 sock_close+0x16/0x20 net/socket.c:1149
 __fput+0x34d/0x890 fs/file_table.c:209
 ____fput+0x15/0x20 fs/file_table.c:243
 task_work_run+0x1e4/0x290 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xf89/0x2730 kernel/exit.c:865
 do_group_exit+0x16f/0x430 kernel/exit.c:968
 __do_sys_exit_group kernel/exit.c:979 [inline]
 __se_sys_exit_group kernel/exit.c:977 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:977
 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455a09
RSP: 002b:0000000000a3ea98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455a09
RDX: 00000000000005ac RSI: 0000000000730fc8 RDI: 0000000000000000
RBP: 0000000000000013 R08: 000000000000025d R09: 0000000000411910
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000003e0
R13: 0000000000411910 R14: 0000000000000000 R15: 0000000000000000
Code: a1 66 45 fb 48 8b 85 f0 fe ff ff 0f b6 98 80 00 00 00 e9 1a fe ff ff e8 39 b0 08 fb 48 c7 c6 c0 00 55 88 4c 89 ff e8 ea 64 35 fb <0f> 0b e8 23 b0 08 fb 4d 8d 7e ff e9 d8 fc ff ff e8 15 b0 08 fb 
RIP: put_page_testzero include/linux/mm.h:492 [inline] RSP: ffff8801ca49f408
RIP: put_page include/linux/mm.h:873 [inline] RSP: ffff8801ca49f408
RIP: tls_sk_proto_close+0x866/0xa70 net/tls/tls_main.c:270 RSP: ffff8801ca49f408
---[ end trace c37c8696b9637d22 ]---