------------[ cut here ]------------
WARNING: CPU: 1 PID: 11720 at net/core/stream.c:207 sk_stream_kill_queues+0x3c3/0x530 net/core/stream.c:207
Modules linked in:
CPU: 1 PID: 11720 Comm: syz-executor.4 Not tainted 5.12.0-rc6-next-20210409-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:sk_stream_kill_queues+0x3c3/0x530 net/core/stream.c:207
Code: 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 63 01 00 00 8b ab 20 02 00 00 e9 60 ff ff ff e8 8d 4b 71 fa <0f> 0b eb 97 e8 84 4b 71 fa 0f 0b eb a0 e8 7b 4b 71 fa 0f 0b e9 a5
RSP: 0018:ffffc9000115fae0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 00000000fffffe80 RCX: 0000000000000000
RDX: ffff88801956d580 RSI: ffffffff8702e4a3 RDI: 0000000000000003
RBP: 0000000000000180 R08: 0000000000000000 R09: ffffffff9021c467
R10: ffffffff8702e43a R11: 0000000000000000 R12: ffff888011fca560
R13: ffffffff9021c460 R14: ffff888011fca368 R15: ffff888011fca4f0
FS:  00007f7ee639f700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000540198 CR3: 0000000014560000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 inet_csk_destroy_sock+0x1a5/0x490 net/ipv4/inet_connection_sock.c:889
 __tcp_close+0xd31/0x1170 net/ipv4/tcp.c:2867
 tcp_close+0x29/0xc0 net/ipv4/tcp.c:2879
 inet_release+0x12e/0x280 net/ipv4/af_inet.c:431
 __sock_release+0xcd/0x280 net/socket.c:599
 sock_close+0x18/0x20 net/socket.c:1258
 __fput+0x288/0x920 fs/file_table.c:280
 task_work_run+0xdd/0x1a0 kernel/task_work.c:164
 get_signal+0x1b27/0x2150 kernel/signal.c:2552
 arch_do_signal_or_restart+0x2a8/0x1eb0 arch/x86/kernel/signal.c:789
 handle_signal_work kernel/entry/common.c:147 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0x148/0x250 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x466459
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7ee639f188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: 0000000000008416 RBX: 000000000056bf60 RCX: 0000000000466459
RDX: 000000000000fe6a RSI: 00000000200012c0 RDI: 0000000000000003
RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000027
R10: 000000000020c49a R11: 0000000000000246 R12: 000000000056bf60
R13: 00007fff4887f91f R14: 00007f7ee639f300 R15: 0000000000022000