Hi Frank,

finally applied and pushed,
 thanks
  Waldemar

Frank Mehnert wrote,

> Hi Waldemar,
> 
> sure, patch attached.
> 
> Frank
> 
> On Sonntag, 11. Februar 2024 07:11:36 CET Waldemar Brodkorb wrote:
> > Hi Frank,
> > 
> > could you sent a patch including your good description with your
> > Signed-Off-By? For example with git format-patch -s origin
> > 
> > Thanks in advance
> >  Waldemar
> > 
> > Frank Mehnert wrote,
> > 
> > > Hi,
> > > 
> > > static analysis tools complain that the following code lacks a 
> > > null-pointer
> > > check:
> > >
> > > 
> > > ldso/ldso/dl-elf.c:
> > > 
> > >           /*
> > >            * Add this object into the symbol chain
> > >            */
> > >
> > > [...]

> From 85bad53b21837b6816d6f4f53c31b6a08b6d68e4 Mon Sep 17 00:00:00 2001
> From: Frank Mehnert <[email protected]>
> Date: Tue, 20 Feb 2024 08:32:20 +0100
> Subject: [PATCH] ldso: add null-pointer check
> 
> There is a check for (*rpnt == NULL) a few lines above but the "else"
> case performing an allocation does only exist if SHARED is not defined.
> If SHARED is defined, the allocation is not performed and it may happen
> (at least in theory) that *rpnt == NULL when executing
> 
>   (*rpnt)->dyn = tpnt;
> 
> Add the null-pointer check.
> 
> Signed-off-by: Frank Mehnert <[email protected]>
> ---
>  ldso/ldso/dl-elf.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/ldso/ldso/dl-elf.c b/ldso/ldso/dl-elf.c
> index ac6db59e0..4f50d62b7 100644
> --- a/ldso/ldso/dl-elf.c
> +++ b/ldso/ldso/dl-elf.c
> @@ -900,7 +900,8 @@ struct elf_resolve *_dl_load_elf_shared_library(unsigned 
> int rflags,
>               _dl_memset(*rpnt, 0, sizeof(struct dyn_elf));
>       }
>  #endif
> -     (*rpnt)->dyn = tpnt;
> +     if (*rpnt)
> +             (*rpnt)->dyn = tpnt;
>       tpnt->usage_count++;
>       if (tpnt->rtld_flags & RTLD_NODELETE)
>               tpnt->usage_count++;
> -- 
> 2.43.0
> 

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