================================================================== BUG: KCSAN: data-race in netlink_dump / netlink_recvmsg write to 0xffff88814bd82349 of 1 bytes by task 22274 on cpu 1: netlink_dump+0x64d/0x720 net/netlink/af_netlink.c:2312 netlink_recvmsg+0x432/0x740 net/netlink/af_netlink.c:2002 sock_recvmsg_nosec net/socket.c:995 [inline] sock_recvmsg net/socket.c:1013 [inline] __sys_recvfrom+0x1d8/0x290 net/socket.c:2171 __do_sys_recvfrom net/socket.c:2189 [inline] __se_sys_recvfrom net/socket.c:2185 [inline] __x64_sys_recvfrom+0x74/0x90 net/socket.c:2185 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff88814bd82349 of 1 bytes by task 22270 on cpu 0: netlink_recvmsg+0x3bf/0x740 net/netlink/af_netlink.c:2000 ____sys_recvmsg+0x162/0x2f0 ___sys_recvmsg net/socket.c:2749 [inline] do_recvmmsg+0x545/0xa40 net/socket.c:2843 __sys_recvmmsg net/socket.c:2922 [inline] __do_sys_recvmmsg net/socket.c:2945 [inline] __se_sys_recvmmsg net/socket.c:2938 [inline] __x64_sys_recvmmsg+0xde/0x160 net/socket.c:2938 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x01 -> 0x00 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 22270 Comm: syz-executor.4 Tainted: G W 5.19.0-rc8-syzkaller-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 ==================================================================