On 7/10/26 3:09 PM, Ricardo B. Marlière wrote:
> attach_probe/uprobe-lib and uprobe_autoattach selftests fail with "failed
> to resolve full path for libc.so.6" on older non-usrmerged distros, where
> libc.so.6 lives under a top-level /lib64 or /lib rather than /usr/lib64 or
> /usr/lib. Add /lib64:/lib to the search paths, alongside the existing
> /usr/lib64:/usr/lib and Debian multiarch entries.
> 
> Signed-off-by: Ricardo B. Marlière <[email protected]>
> ---
>  tools/lib/bpf/libbpf.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
> index 1368752aa13c..1ab939dfb7f0 100644
> --- a/tools/lib/bpf/libbpf.c
> +++ b/tools/lib/bpf/libbpf.c
> @@ -12973,13 +12973,14 @@ static const char *arch_specific_lib_paths(void)
>  /* Get full path to program/shared library. */
>  static int resolve_full_path(const char *file, char *result, size_t 
> result_sz)
>  {
> -     const char *search_paths[3] = {};
> +     const char *search_paths[4] = {};
>       int i, perm;
>  
>       if (str_has_sfx(file, ".so") || strstr(file, ".so.")) {
>               search_paths[0] = getenv("LD_LIBRARY_PATH");
>               search_paths[1] = "/usr/lib64:/usr/lib";
>               search_paths[2] = arch_specific_lib_paths();
> +             search_paths[3] = "/lib64:/lib";

Acked-by: Ihor Solodrai <[email protected]>

>               perm = R_OK;
>       } else {
>               search_paths[0] = getenv("PATH");
> 


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