syzbot

udevd[5132]: starting eudev-3.2.14
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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: 5132 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
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