udevd[5135]: starting eudev-3.2.14 ===================================================== BUG: KMSAN: uninit-value in put_cmsg+0x534/0xbc0 net/core/scm.c:280 put_cmsg+0x534/0xbc0 net/core/scm.c:280 __scm_recv_common+0x2fb/0x910 net/core/scm.c:517 scm_recv+0x55/0xe0 net/core/scm.c:531 netlink_recvmsg+0xd45/0xfe0 net/netlink/af_netlink.c:1983 sock_recvmsg_nosec net/socket.c:1078 [inline] sock_recvmsg+0x27b/0x310 net/socket.c:1100 ____sys_recvmsg+0x193/0x620 net/socket.c:2812 ___sys_recvmsg+0x20b/0x850 net/socket.c:2854 __sys_recvmsg net/socket.c:2887 [inline] __do_sys_recvmsg net/socket.c:2893 [inline] __se_sys_recvmsg net/socket.c:2890 [inline] __x64_sys_recvmsg+0x20e/0x3d0 net/socket.c:2890 x64_sys_call+0x35cc/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:48 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x134/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Local variable ucreds created at: __scm_recv_common+0x1bb/0x910 net/core/scm.c:511 scm_recv+0x55/0xe0 net/core/scm.c:531 CPU: 1 UID: 0 PID: 5135 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 =====================================================