===================================================== BUG: KMSAN: uninit-value in vlan_dev_set_ingress_priority+0x1b9/0x290 net/8021q/vlan_dev.c:161 vlan_dev_set_ingress_priority+0x1b9/0x290 net/8021q/vlan_dev.c:161 vlan_changelink+0x3e9/0x8e0 net/8021q/vlan_netlink.c:122 __rtnl_newlink net/core/rtnetlink.c:3399 [inline] rtnl_newlink+0x3391/0x4220 net/core/rtnetlink.c:3531 rtnetlink_rcv_msg+0x148d/0x18d0 net/core/rtnetlink.c:5993 netlink_rcv_skb+0x40c/0x7e0 net/netlink/af_netlink.c:2503 rtnetlink_rcv+0x50/0x60 net/core/rtnetlink.c:6011 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x109c/0x1370 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x14dc/0x1720 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:705 [inline] sock_sendmsg net/socket.c:725 [inline] ____sys_sendmsg+0xe11/0x12c0 net/socket.c:2413 ___sys_sendmsg net/socket.c:2467 [inline] __sys_sendmsg+0x704/0x840 net/socket.c:2496 __do_sys_sendmsg net/socket.c:2505 [inline] __se_sys_sendmsg net/socket.c:2503 [inline] __x64_sys_sendmsg+0xe2/0x120 net/socket.c:2503 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x51/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x44/0xae Uninit was created at: slab_post_alloc_hook mm/slab.h:754 [inline] slab_alloc_node mm/slub.c:3231 [inline] __kmalloc_node_track_caller+0xde3/0x14f0 mm/slub.c:4962 kmalloc_reserve net/core/skbuff.c:354 [inline] __alloc_skb+0x545/0xf90 net/core/skbuff.c:426 alloc_skb include/linux/skbuff.h:1300 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1191 [inline] netlink_sendmsg+0xde3/0x1720 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:705 [inline] sock_sendmsg net/socket.c:725 [inline] ____sys_sendmsg+0xe11/0x12c0 net/socket.c:2413 ___sys_sendmsg net/socket.c:2467 [inline] __sys_sendmsg+0x704/0x840 net/socket.c:2496 __do_sys_sendmsg net/socket.c:2505 [inline] __se_sys_sendmsg net/socket.c:2503 [inline] __x64_sys_sendmsg+0xe2/0x120 net/socket.c:2503 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x51/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x44/0xae CPU: 0 PID: 17661 Comm: syz-executor.4 Not tainted 5.18.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 =====================================================