• Alexei Starovoitov's avatar
    libbpf: Fix gen_loader assumption on number of programs. · 259172bb
    Alexei Starovoitov authored
    libbpf's obj->nr_programs includes static and global functions. That number
    could be higher than the actual number of bpf programs going be loaded by
    gen_loader. Passing larger nr_programs to bpf_gen__init() doesn't hurt. Those
    exra stack slots will stay as zero. bpf_gen__finish() needs to check that
    actual number of progs that gen_loader saw is less than or equal to
    obj->nr_programs.
    
    Fixes: ba05fd36
    
     ("libbpf: Perform map fd cleanup for gen_loader in case of error")
    Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
    259172bb
gen_loader.c 37.1 KB