hsr0: VLAN not yet supported
=====================================================
BUG: KMSAN: uninit-value in hsr_fill_frame_info+0x2ca/0x790 net/hsr/hsr_forward.c:525
 hsr_fill_frame_info+0x2ca/0x790 net/hsr/hsr_forward.c:525
 fill_frame_info net/hsr/hsr_forward.c:601 [inline]
 hsr_forward_skb+0x14ba/0x3820 net/hsr/hsr_forward.c:616
 hsr_dev_xmit+0x265/0x4a0 net/hsr/hsr_device.c:223
 __netdev_start_xmit include/linux/netdevice.h:4865 [inline]
 netdev_start_xmit include/linux/netdevice.h:4879 [inline]
 xmit_one net/core/dev.c:3583 [inline]
 dev_hard_start_xmit+0x321/0xb50 net/core/dev.c:3599
 __dev_queue_xmit+0x4348/0x6290 net/core/dev.c:4249
 dev_queue_xmit+0x4f/0x60 include/linux/netdevice.h:3035
 packet_snd net/packet/af_packet.c:3073 [inline]
 packet_sendmsg+0x8b92/0xa180 net/packet/af_packet.c:3104
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg net/socket.c:734 [inline]
 __sys_sendto+0xa10/0xc90 net/socket.c:2117
 __do_sys_sendto net/socket.c:2129 [inline]
 __se_sys_sendto net/socket.c:2125 [inline]
 __x64_sys_sendto+0x1a0/0x210 net/socket.c:2125
 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]
 alloc_skb_with_frags+0x1c8/0xcf0 net/core/skbuff.c:6194
 sock_alloc_send_pskb+0xde6/0xfc0 net/core/sock.c:2743
 packet_alloc_skb net/packet/af_packet.c:2921 [inline]
 packet_snd net/packet/af_packet.c:3016 [inline]
 packet_sendmsg+0x6bda/0xa180 net/packet/af_packet.c:3104
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg net/socket.c:734 [inline]
 __sys_sendto+0xa10/0xc90 net/socket.c:2117
 __do_sys_sendto net/socket.c:2129 [inline]
 __se_sys_sendto net/socket.c:2125 [inline]
 __x64_sys_sendto+0x1a0/0x210 net/socket.c:2125
 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: 4499 Comm: syz-executor.4 Not tainted 6.2.0-rc8-syzkaller-80994-gda13c00eebfb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
=====================================================