================================================================== BUG: KCSAN: data-race in netlink_getname / netlink_insert write to 0xffff888011858af8 of 4 bytes by task 3557 on cpu 0: netlink_insert+0xe8/0x8e0 net/netlink/af_netlink.c:569 netlink_autobind+0xa9/0x150 net/netlink/af_netlink.c:832 netlink_sendmsg+0x47c/0x7c0 net/netlink/af_netlink.c:1882 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg net/socket.c:672 [inline] ____sys_sendmsg+0x352/0x4c0 net/socket.c:2345 ___sys_sendmsg net/socket.c:2399 [inline] __sys_sendmsg+0x1ed/0x270 net/socket.c:2432 __do_sys_sendmsg net/socket.c:2441 [inline] __se_sys_sendmsg net/socket.c:2439 [inline] __x64_sys_sendmsg+0x42/0x50 net/socket.c:2439 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff888011858af8 of 4 bytes by task 3563 on cpu 1: netlink_getname+0xbb/0x180 net/netlink/af_netlink.c:1118 __sys_getsockname+0x10e/0x1a0 net/socket.c:1885 __do_sys_getsockname net/socket.c:1900 [inline] __se_sys_getsockname net/socket.c:1897 [inline] __x64_sys_getsockname+0x3e/0x50 net/socket.c:1897 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 3563 Comm: syz-executor.3 Not tainted 5.10.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================