------------[ cut here ]------------ WARNING: CPU: 1 PID: 8457 at net/core/stream.c:208 sk_stream_kill_queues+0x3cc/0x530 net/core/stream.c:208 Modules linked in: CPU: 0 PID: 8457 Comm: syz-executor264 Not tainted 5.10.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:sk_stream_kill_queues+0x3cc/0x530 net/core/stream.c:208 Code: 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 3d a2 75 fa 0f 0b eb 97 e8 34 a2 75 fa <0f> 0b eb a0 e8 2b a2 75 fa 0f 0b e9 a5 fe ff ff 4c 89 e7 e8 9c cd RSP: 0018:ffffc9000164fb58 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88801fc20000 RSI: ffffffff86fdab6c RDI: 0000000000000003 RBP: 0000000000000e28 R08: 0000000000000000 R09: ffffffff903cec87 R10: ffffffff86fdab0c R11: 1ffffffff1e2427e R12: ffff8880195b8220 R13: ffffffff903cec80 R14: ffffc9000164fbd8 R15: 1ffff920002c9f77 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fac7198e6c0 CR3: 0000000018409000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mptcp_destroy_sock+0x443/0x800 net/mptcp/protocol.c:2557 mptcp_close+0x611/0x810 net/mptcp/protocol.c:2606 inet_release+0x12e/0x280 net/ipv4/af_inet.c:431 __sock_release+0xcd/0x280 net/socket.c:597 sock_close+0x18/0x20 net/socket.c:1256 __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+0xb89/0x2a00 kernel/exit.c:823 do_group_exit+0x125/0x310 kernel/exit.c:920 __do_sys_exit_group kernel/exit.c:931 [inline] __se_sys_exit_group kernel/exit.c:929 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:929 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x43ee78 Code: Unable to access opcode bytes at RIP 0x43ee4e. RSP: 002b:00007ffcbb0c8c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ee78 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 RBP: 00000000004be688 R08: 00000000000000e7 R09: ffffffffffffffd0 R10: 000000000000c000 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000