================================================================== BUG: KCSAN: data-race in netlink_setsockopt / netlink_setsockopt read to 0xffff888185925b1c of 4 bytes by task 16762 on cpu 0: netlink_setsockopt+0x174/0x6e0 __sys_setsockopt+0x1c9/0x230 net/socket.c:2263 __do_sys_setsockopt net/socket.c:2274 [inline] __se_sys_setsockopt net/socket.c:2271 [inline] __x64_sys_setsockopt+0x66/0x80 net/socket.c:2271 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 write to 0xffff888185925b1c of 4 bytes by task 16770 on cpu 1: netlink_setsockopt+0x5f6/0x6e0 __sys_setsockopt+0x1c9/0x230 net/socket.c:2263 __do_sys_setsockopt net/socket.c:2274 [inline] __se_sys_setsockopt net/socket.c:2271 [inline] __x64_sys_setsockopt+0x66/0x80 net/socket.c:2271 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: 0x00000000 -> 0x00000080 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 16770 Comm: syz-executor.2 Not tainted 6.5.0-rc5-syzkaller-00056-gcacc6e22932f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 ==================================================================