================================================================== BUG: KCSAN: data-race in inet_bind_hash / inet_send_prepare write to 0xffff8881627dec4e of 2 bytes by task 15544 on cpu 0: inet_bind_hash+0x1e/0xa0 net/ipv4/inet_hashtables.c:98 inet_csk_get_port+0x7f0/0x890 net/ipv4/inet_connection_sock.c:401 __inet_bind+0x3c9/0x560 net/ipv4/af_inet.c:531 inet_bind+0x8c/0xa0 net/ipv4/af_inet.c:459 __sys_bind+0x200/0x290 net/socket.c:1637 __do_sys_bind net/socket.c:1648 [inline] __se_sys_bind net/socket.c:1646 [inline] __x64_sys_bind+0x3d/0x50 net/socket.c:1646 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff8881627dec4e of 2 bytes by task 15576 on cpu 1: inet_send_prepare+0x21/0x210 net/ipv4/af_inet.c:806 inet_sendmsg+0x29/0x80 net/ipv4/af_inet.c:818 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg net/socket.c:674 [inline] __sys_sendto+0x2a8/0x370 net/socket.c:1977 __do_sys_sendto net/socket.c:1989 [inline] __se_sys_sendto net/socket.c:1985 [inline] __x64_sys_sendto+0x74/0x90 net/socket.c:1985 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 15576 Comm: syz-executor.5 Tainted: G W 5.12.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================