------------[ cut here ]------------ WARNING: CPU: 1 PID: 22745 at net/core/stream.c:207 sk_stream_kill_queues+0x3c3/0x530 net/core/stream.c:207 Modules linked in: CPU: 1 PID: 22745 Comm: syz-executor.5 Not tainted 5.10.0-rc5-next-20201126-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 ad 24 7b fa <0f> 0b eb 97 e8 a4 24 7b fa 0f 0b eb a0 e8 9b 24 7b fa 0f 0b e9 a5 RSP: 0018:ffffc9000183f978 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 00000000fffffe80 RCX: ffffffff86f5877a RDX: ffff88805453b580 RSI: ffffffff86f587e3 RDI: 0000000000000005 RBP: 0000000000000180 R08: 0000000000000001 R09: ffffffff8fb178c7 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888023faebe0 R13: ffffffff8fb178c0 R14: ffff888023fae9e8 R15: ffff888023faeb70 FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3163f000 CR3: 0000000020fc2000 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:885 __tcp_close+0xd3e/0x1170 net/ipv4/tcp.c:2585 tcp_close+0x29/0xc0 net/ipv4/tcp.c:2597 inet_release+0x12e/0x280 net/ipv4/af_inet.c:431 __sock_release+0xcd/0x280 net/socket.c:596 sock_close+0x18/0x20 net/socket.c:1255 __fput+0x283/0x920 fs/file_table.c:280 task_work_run+0xdd/0x190 kernel/task_work.c:140 exit_task_work include/linux/task_work.h:30 [inline] do_exit+0xb89/0x29e0 kernel/exit.c:823 do_group_exit+0x125/0x310 kernel/exit.c:920 get_signal+0x3ec/0x2010 kernel/signal.c:2770 arch_do_signal_or_restart+0x2a8/0x1eb0 arch/x86/kernel/signal.c:811 handle_signal_work kernel/entry/common.c:144 [inline] exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x124/0x200 kernel/entry/common.c:198 syscall_exit_to_user_mode+0x36/0x260 kernel/entry/common.c:275 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45deb9 Code: Unable to access opcode bytes at RIP 0x45de8f. RSP: 002b:00007f32f36d9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: 0000000000009634 RBX: 000000000002e900 RCX: 000000000045deb9 RDX: 000000000000fe6a RSI: 00000000200012c0 RDI: 0000000000000004 RBP: 000000000118bf78 R08: 0000000000000000 R09: fffffffffffffe2b R10: 000000000000000e R11: 0000000000000246 R12: 000000000118bf2c R13: 00007fff908a02bf R14: 00007f32f36da9c0 R15: 000000000118bf2c