================================================================== BUG: KCSAN: data-race in netlink_dump / netlink_recvmsg write to 0xffff888107f06359 of 1 bytes by task 8722 on cpu 0: netlink_dump+0x648/0x710 net/netlink/af_netlink.c:2333 netlink_recvmsg+0x420/0x730 net/netlink/af_netlink.c:2023 sock_recvmsg_nosec net/socket.c:1015 [inline] sock_recvmsg net/socket.c:1036 [inline] ____sys_recvmsg+0x156/0x310 net/socket.c:2723 ___sys_recvmsg net/socket.c:2765 [inline] do_recvmmsg+0x2e5/0x710 net/socket.c:2859 __sys_recvmmsg net/socket.c:2938 [inline] __do_sys_recvmmsg net/socket.c:2961 [inline] __se_sys_recvmmsg net/socket.c:2954 [inline] __x64_sys_recvmmsg+0xe2/0x160 net/socket.c:2954 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 0xffff888107f06359 of 1 bytes by task 8714 on cpu 1: netlink_recvmsg+0x3b4/0x730 net/netlink/af_netlink.c:2021 sock_recvmsg_nosec+0x4c/0x80 net/socket.c:1015 ____sys_recvmsg+0x2db/0x310 net/socket.c:2721 ___sys_recvmsg net/socket.c:2765 [inline] do_recvmmsg+0x2e5/0x710 net/socket.c:2859 __sys_recvmmsg net/socket.c:2938 [inline] __do_sys_recvmmsg net/socket.c:2961 [inline] __se_sys_recvmmsg net/socket.c:2954 [inline] __x64_sys_recvmmsg+0xe2/0x160 net/socket.c:2954 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: 1 PID: 8714 Comm: syz-executor.1 Not tainted 6.2.0-syzkaller-12765-g982818426a0f-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 ==================================================================