Based on the repro, it looks bpf/bpf link related:
syz_emit_ethernet(0x86, &(0x7f0000000000)={@local, @empty=[0x2],
@void, {@ipv4={0x800, @udp={{0x5, 0x4, 0x0, 0x0, 0x78, 0x0, 0x0, 0x0,
0x11, 0x0, @empty, @empty}, {0x0, 0x1b59, 0x64, 0x0,
@wg=@response={0x5, 0x0, 0x0, "020000010865390406030500000000010900",
"9384bbeb3018ad591b661fe808b21b77",
{"694c875dfb1be5d2a0057a62022a1564",
"a329d3a73b8268129e5fa4316a5d8c69"}}}}}}}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0)
mount(0x0, &(0x7f0000000080)='./file0\x00',
&(0x7f0000000040)='cgroup2\x00', 0x0, 0x0)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x9, 0x4,
&(0x7f0000000000)=@framed={{}, [@alu={0x8000000201a7f19, 0x0, 0x6,
0x2, 0x1}]}, &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [],
0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70)
bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000100)={r1, r0, 0x2}, 0x10)