socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000001000))
r0 = syz_open_procfs(0x0, &(0x7f0000000100)='net/unix\x00')
preadv(r0, &(0x7f0000000380)=[{&(0x7f0000000040)=""/187, 0xbb}], 0x1, 0x0, 0x0)