===================================================== BUG: KMSAN: uninit-value in strscpy+0x149/0x230 strscpy+0x149/0x230 bearer_name_validate net/tipc/bearer.c:147 [inline] tipc_enable_bearer net/tipc/bearer.c:261 [inline] __tipc_nl_bearer_enable+0x6b1/0x22b0 net/tipc/bearer.c:1032 tipc_nl_bearer_enable+0x70/0xb0 net/tipc/bearer.c:1041 genl_family_rcv_msg_doit net/netlink/genetlink.c:968 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1048 [inline] genl_rcv_msg+0x1836/0x1910 net/netlink/genetlink.c:1065 netlink_rcv_skb+0x6de/0x800 net/netlink/af_netlink.c:2574 genl_rcv+0x67/0x90 net/netlink/genetlink.c:1076 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x10a0/0x1370 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x13aa/0x1700 net/netlink/af_netlink.c:1942 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg net/socket.c:734 [inline] ____sys_sendmsg+0xe11/0x1250 net/socket.c:2476 ___sys_sendmsg+0x4e6/0x580 net/socket.c:2530 __sys_sendmsg net/socket.c:2559 [inline] __do_sys_sendmsg net/socket.c:2568 [inline] __se_sys_sendmsg net/socket.c:2566 [inline] __x64_sys_sendmsg+0x3f0/0x570 net/socket.c:2566 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 Uninit was created at: slab_post_alloc_hook+0x271/0xf70 mm/slab.h:766 slab_alloc_node mm/slub.c:3452 [inline] __kmem_cache_alloc_node+0x68c/0xac0 mm/slub.c:3491 __do_kmalloc_node mm/slab_common.c:967 [inline] __kmalloc_node_track_caller+0x3df/0x710 mm/slab_common.c:988 kmalloc_reserve net/core/skbuff.c:492 [inline] __alloc_skb+0x56e/0xad0 net/core/skbuff.c:565 alloc_skb include/linux/skbuff.h:1270 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1211 [inline] netlink_sendmsg+0xdc8/0x1700 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg net/socket.c:734 [inline] ____sys_sendmsg+0xe11/0x1250 net/socket.c:2476 ___sys_sendmsg+0x4e6/0x580 net/socket.c:2530 __sys_sendmsg net/socket.c:2559 [inline] __do_sys_sendmsg net/socket.c:2568 [inline] __se_sys_sendmsg net/socket.c:2566 [inline] __x64_sys_sendmsg+0x3f0/0x570 net/socket.c:2566 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 CPU: 0 PID: 14983 Comm: syz-executor.1 Tainted: G W 6.2.0-rc8-syzkaller-80999-g31b504f219a9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 =====================================================