syzbot

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BUG: KCSAN: data-race in llc_ui_autoport / llc_ui_autoport

write to 0xffffffff85e09d18 of 2 bytes by task 17364 on cpu 0:
 llc_ui_autoport+0x2f9/0x310
 llc_ui_bind+0x358/0x700 net/llc/af_llc.c:382
 __sys_bind+0x151/0x1c0 net/socket.c:1803
 __do_sys_bind net/socket.c:1814 [inline]
 __se_sys_bind net/socket.c:1812 [inline]
 __x64_sys_bind+0x41/0x50 net/socket.c:1812
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

read to 0xffffffff85e09d18 of 2 bytes by task 17365 on cpu 1:
 llc_ui_autoport+0x15/0x310 net/llc/af_llc.c:247
 llc_ui_bind+0x358/0x700 net/llc/af_llc.c:382
 __sys_bind+0x151/0x1c0 net/socket.c:1803
 __do_sys_bind net/socket.c:1814 [inline]
 __se_sys_bind net/socket.c:1812 [inline]
 __x64_sys_bind+0x41/0x50 net/socket.c:1812
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

value changed: 0x00d4 -> 0x00d8

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 17365 Comm: syz-executor.1 Not tainted 6.4.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
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