================================================================== BUG: KCSAN: data-race in netlink_getname / netlink_insert write to 0xffff88808185b2f8 of 4 bytes by task 29554 on cpu 0: netlink_insert+0xe8/0x8f0 net/netlink/af_netlink.c:568 netlink_autobind+0xa9/0x150 net/netlink/af_netlink.c:831 netlink_sendmsg+0x46f/0x7a0 net/netlink/af_netlink.c:1881 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg net/socket.c:672 [inline] ____sys_sendmsg+0x360/0x4d0 net/socket.c:2352 ___sys_sendmsg net/socket.c:2406 [inline] __sys_sendmsg+0x1df/0x260 net/socket.c:2439 __do_sys_sendmsg net/socket.c:2448 [inline] __se_sys_sendmsg net/socket.c:2446 [inline] __x64_sys_sendmsg+0x42/0x50 net/socket.c:2446 do_syscall_64+0x51/0xb0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88808185b2f8 of 4 bytes by task 29674 on cpu 1: netlink_getname+0xbb/0x180 net/netlink/af_netlink.c:1117 __sys_getsockname+0x10a/0x1b0 net/socket.c:1905 __do_sys_getsockname net/socket.c:1920 [inline] __se_sys_getsockname net/socket.c:1917 [inline] __x64_sys_getsockname+0x3e/0x50 net/socket.c:1917 do_syscall_64+0x51/0xb0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 29674 Comm: syz-executor.5 Not tainted 5.8.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================