device bond0 left promiscuous mode device bond_slave_0 left promiscuous mode device bond_slave_1 left promiscuous mode bridge127: port 1(bond0) entered disabled state ================================================================== BUG: KCSAN: data-race in netlink_getname / netlink_insert write to 0xffff888025307af8 of 4 bytes by task 30040 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:651 [inline] sock_sendmsg net/socket.c:671 [inline] ____sys_sendmsg+0x352/0x4c0 net/socket.c:2353 ___sys_sendmsg net/socket.c:2407 [inline] __sys_sendmsg+0x1e2/0x260 net/socket.c:2440 __do_sys_sendmsg net/socket.c:2449 [inline] __se_sys_sendmsg net/socket.c:2447 [inline] __x64_sys_sendmsg+0x42/0x50 net/socket.c:2447 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff888025307af8 of 4 bytes by task 30044 on cpu 1: netlink_getname+0xbb/0x180 net/netlink/af_netlink.c:1118 __sys_getsockname+0x10a/0x1b0 net/socket.c:1902 __do_sys_getsockname net/socket.c:1917 [inline] __se_sys_getsockname net/socket.c:1914 [inline] __x64_sys_getsockname+0x3e/0x50 net/socket.c:1914 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: 30044 Comm: syz-executor.1 Not tainted 5.10.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================