KCSAN: data-race in netlink_recvmsg / netlink

Kernel	Title	Rank 🛈	Count	Last	Reported	Patched	Status
upstream	KCSAN: data-race in netlink_recvmsg / netlink_recvmsg (6) net	6	2	1210d	1208d	22/29	fixed on 2023/06/08 14:41
upstream	KCSAN: data-race in netlink_recvmsg / netlink_recvmsg (3) net	6	30	1801d	1957d	0/29	auto-closed as invalid on 2021/09/22 07:53
upstream	KCSAN: data-race in netlink_recvmsg / netlink_recvmsg (2) net	6	1	2080d	2051d	0/29	auto-closed as invalid on 2020/12/25 11:25
upstream	KCSAN: data-race in netlink_recvmsg / netlink_recvmsg (4) net	6	13	1657d	1757d	0/29	auto-closed as invalid on 2022/02/13 19:27
upstream	KCSAN: data-race in netlink_recvmsg / netlink_recvmsg net	6	4	2378d	2451d	0/29	auto-closed as invalid on 2020/03/29 12:33
upstream	KCSAN: data-race in netlink_recvmsg / netlink_recvmsg (5) net	6	12	1288d	1541d	22/29	fixed on 2023/02/24 13:50

================================================================== BUG: KCSAN: data-race in netlink_recvmsg / netlink_recvmsg write to 0xffff8881613bb220 of 4 bytes by task 28147 on cpu 0: netlink_recvmsg+0x448/0x780 net/netlink/af_netlink.c:1994 sock_recvmsg_nosec net/socket.c:1027 [inline] sock_recvmsg net/socket.c:1049 [inline] __sys_recvfrom+0x1f4/0x2e0 net/socket.c:2229 __do_sys_recvfrom net/socket.c:2247 [inline] __se_sys_recvfrom net/socket.c:2243 [inline] __x64_sys_recvfrom+0x78/0x90 net/socket.c:2243 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd write to 0xffff8881613bb220 of 4 bytes by task 28146 on cpu 1: netlink_recvmsg+0x448/0x780 net/netlink/af_netlink.c:1994 sock_recvmsg_nosec net/socket.c:1027 [inline] sock_recvmsg net/socket.c:1049 [inline] __sys_recvfrom+0x1f4/0x2e0 net/socket.c:2229 __do_sys_recvfrom net/socket.c:2247 [inline] __se_sys_recvfrom net/socket.c:2243 [inline] __x64_sys_recvfrom+0x78/0x90 net/socket.c:2243 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x00000000 -> 0x00000016 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 28146 Comm: syz-executor.0 Not tainted 6.6.0-rc3-syzkaller-00055-g9ed22ae6be81 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 ==================================================================