================================================================== BUG: KCSAN: data-race in netlink_dump / netlink_recvmsg write to 0xffff888123f65359 of 1 bytes by task 8969 on cpu 1: netlink_dump+0x648/0x710 net/netlink/af_netlink.c:2333 netlink_recvmsg+0x420/0x730 net/netlink/af_netlink.c:2023 ____sys_recvmsg+0x169/0x2e0 ___sys_recvmsg net/socket.c:2740 [inline] do_recvmmsg+0x2e5/0x710 net/socket.c:2834 __sys_recvmmsg net/socket.c:2913 [inline] __do_sys_recvmmsg net/socket.c:2936 [inline] __se_sys_recvmmsg net/socket.c:2929 [inline] __x64_sys_recvmmsg+0xe2/0x160 net/socket.c:2929 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 0xffff888123f65359 of 1 bytes by task 8973 on cpu 0: netlink_recvmsg+0x3b4/0x730 net/netlink/af_netlink.c:2021 ____sys_recvmsg+0x169/0x2e0 ___sys_recvmsg net/socket.c:2740 [inline] do_recvmmsg+0x2e5/0x710 net/socket.c:2834 __sys_recvmmsg net/socket.c:2913 [inline] __do_sys_recvmmsg net/socket.c:2936 [inline] __se_sys_recvmmsg net/socket.c:2929 [inline] __x64_sys_recvmmsg+0xe2/0x160 net/socket.c:2929 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: 0x01 -> 0x00 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 8973 Comm: syz-executor.0 Not tainted 6.2.0-rc8-syzkaller-00134-g38f8ccde04a3-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 ==================================================================