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BUG: KMSAN: uninit-value in batadv_get_vid+0x24a/0x3d0
 batadv_get_vid+0x24a/0x3d0
 batadv_interface_tx+0x3ba/0x2440
 xmit_one+0x2e3/0x830
 dev_hard_start_xmit+0x185/0x410
 __dev_queue_xmit+0x21f5/0x3470
 dev_queue_xmit+0x4f/0x60
 __bpf_redirect+0x1885/0x1a80
 bpf_clone_redirect+0x4a6/0x670
 ___bpf_prog_run+0x93a/0xb300
 __bpf_prog_run512+0x125/0x190
 bpf_test_run+0x787/0x1080
 bpf_prog_test_run_skb+0x1769/0x21c0
 bpf_prog_test_run+0x788/0x820
 __sys_bpf+0x9ca/0x10b0
 __ia32_sys_bpf+0xe5/0x130
 __do_fast_syscall_32+0x95/0xf0
 do_fast_syscall_32+0x33/0x70
 do_SYSENTER_32+0x1b/0x20
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c

Uninit was created at:
 __kmalloc_node_track_caller+0xdee/0x14e0
 pskb_expand_head+0x271/0x1fc0
 skb_ensure_writable+0x505/0x5b0
 bpf_clone_redirect+0x25e/0x670
 ___bpf_prog_run+0x93a/0xb300
 __bpf_prog_run512+0x125/0x190
 bpf_test_run+0x787/0x1080
 bpf_prog_test_run_skb+0x1769/0x21c0
 bpf_prog_test_run+0x788/0x820
 __sys_bpf+0x9ca/0x10b0
 __ia32_sys_bpf+0xe5/0x130
 __do_fast_syscall_32+0x95/0xf0
 do_fast_syscall_32+0x33/0x70
 do_SYSENTER_32+0x1b/0x20
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c

CPU: 0 PID: 7898 Comm: syz-executor.3 Not tainted 5.18.0-syzkaller-16253-g2f3064574275 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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