================================================================== BUG: KCSAN: data-race in audit_log_start / audit_receive write to 0xffffffff88bf21e0 of 8 bytes by task 7215 on cpu 0: audit_ctl_unlock kernel/audit.c:243 [inline] audit_receive+0x28e4/0x2a20 kernel/audit.c:1581 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline] netlink_unicast+0x599/0x670 net/netlink/af_netlink.c:1347 netlink_sendmsg+0x5cc/0x6e0 net/netlink/af_netlink.c:1891 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x140/0x180 net/socket.c:726 ____sys_sendmsg+0x312/0x410 net/socket.c:2583 ___sys_sendmsg net/socket.c:2637 [inline] __sys_sendmsg+0x19d/0x230 net/socket.c:2669 __do_sys_sendmsg net/socket.c:2674 [inline] __se_sys_sendmsg net/socket.c:2672 [inline] __x64_sys_sendmsg+0x46/0x50 net/socket.c:2672 x64_sys_call+0x2734/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffffffff88bf21e0 of 8 bytes by task 7214 on cpu 1: audit_ctl_owner_current kernel/audit.c:256 [inline] audit_log_start+0x129/0x6b0 kernel/audit.c:1881 audit_seccomp+0x4b/0x130 kernel/auditsc.c:3006 seccomp_log kernel/seccomp.c:1016 [inline] __seccomp_filter+0x6fa/0x1180 kernel/seccomp.c:1305 __secure_computing+0x9f/0x1c0 kernel/seccomp.c:1367 syscall_trace_enter+0xd1/0x1f0 kernel/entry/common.c:52 syscall_enter_from_user_mode_work include/linux/entry-common.h:169 [inline] syscall_enter_from_user_mode include/linux/entry-common.h:199 [inline] do_syscall_64+0xaa/0x1c0 arch/x86/entry/common.c:79 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0xffff888101799080 -> 0x0000000000000000 Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 7214 Comm: syz.1.1408 Not tainted 6.12.0-syzkaller-10553-gb86545e02e8c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ==================================================================