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BUG: KMSAN: uninit-value in hsr_get_node+0xa2e/0xa40 net/hsr/hsr_framereg.c:246
 hsr_get_node+0xa2e/0xa40 net/hsr/hsr_framereg.c:246
 fill_frame_info net/hsr/hsr_forward.c:579 [inline]
 hsr_forward_skb+0x328/0x30f0 net/hsr/hsr_forward.c:616
 hsr_handle_frame+0xa15/0xb40 net/hsr/hsr_slave.c:69
 __netif_receive_skb_core+0x1d13/0x5e90 net/core/dev.c:5385
 __netif_receive_skb_one_core net/core/dev.c:5489 [inline]
 __netif_receive_skb+0xc3/0x5a0 net/core/dev.c:5605
 process_backlog+0x480/0x8b0 net/core/dev.c:5933
 __napi_poll+0xe4/0x950 net/core/dev.c:6496
 napi_poll net/core/dev.c:6563 [inline]
 net_rx_action+0x884/0x16d0 net/core/dev.c:6696
 __do_softirq+0x1b7/0x78f kernel/softirq.c:571
 do_softirq+0x10d/0x190 kernel/softirq.c:472
 __local_bh_enable_ip+0x99/0xa0 kernel/softirq.c:396
 local_bh_enable+0x28/0x30 include/linux/bottom_half.h:33
 rcu_read_unlock_bh include/linux/rcupdate.h:843 [inline]
 __dev_queue_xmit+0x2616/0x50f0 net/core/dev.c:4271
 dev_queue_xmit include/linux/netdevice.h:3085 [inline]
 packet_xmit+0x9c/0x6b0 net/packet/af_packet.c:276
 packet_snd net/packet/af_packet.c:3081 [inline]
 packet_sendmsg+0x8a5d/0x9de0 net/packet/af_packet.c:3113
 sock_sendmsg_nosec net/socket.c:724 [inline]
 sock_sendmsg net/socket.c:747 [inline]
 ____sys_sendmsg+0x999/0xd50 net/socket.c:2503
 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2557
 __sys_sendmsg net/socket.c:2586 [inline]
 __do_sys_sendmsg net/socket.c:2595 [inline]
 __se_sys_sendmsg net/socket.c:2593 [inline]
 __x64_sys_sendmsg+0x304/0x490 net/socket.c:2593
 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+0x12d/0xb60 mm/slab.h:716
 slab_alloc_node mm/slub.c:3451 [inline]
 kmem_cache_alloc_node+0x535/0xa30 mm/slub.c:3496
 kmalloc_reserve+0x148/0x470 net/core/skbuff.c:568
 __alloc_skb+0x318/0x740 net/core/skbuff.c:654
 alloc_skb include/linux/skbuff.h:1288 [inline]
 alloc_skb_with_frags+0xbd/0xbb0 net/core/skbuff.c:6378
 sock_alloc_send_pskb+0xa80/0xbf0 net/core/sock.c:2729
 packet_alloc_skb net/packet/af_packet.c:2930 [inline]
 packet_snd net/packet/af_packet.c:3024 [inline]
 packet_sendmsg+0x6fc2/0x9de0 net/packet/af_packet.c:3113
 sock_sendmsg_nosec net/socket.c:724 [inline]
 sock_sendmsg net/socket.c:747 [inline]
 ____sys_sendmsg+0x999/0xd50 net/socket.c:2503
 ___sys_sendmsg+0x28d/0x3c0 net/socket.c:2557
 __sys_sendmsg net/socket.c:2586 [inline]
 __do_sys_sendmsg net/socket.c:2595 [inline]
 __se_sys_sendmsg net/socket.c:2593 [inline]
 __x64_sys_sendmsg+0x304/0x490 net/socket.c:2593
 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: 15057 Comm: syz-executor.3 Not tainted 6.4.0-rc2-syzkaller-gdad188c049f8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
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