Re: [PATCH] objtool: Fix NULL printf() '%s' argument
From: Stephen Rothwell
Date: Wed Mar 26 2025 - 00:11:03 EST
Hi Josh,
On Tue, 25 Mar 2025 18:30:37 -0700 Josh Poimboeuf <jpoimboe@xxxxxxxxxx> wrote:
>
> It's probably not the best idea to pass a string pointer to printf()
> right after confirming said pointer is NULL. Fix the typo and use
> argv[i] instead.
>
> Fixes: c5995abe1547 ("objtool: Improve error handling")
> Closes: https://lore.kernel.org/20250326103854.309e3c60@xxxxxxxxxxxxxxxx
> Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
> ---
> tools/objtool/builtin-check.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/objtool/builtin-check.c b/tools/objtool/builtin-check.c
> index 2bdff910430e..e364ab6345d3 100644
> --- a/tools/objtool/builtin-check.c
> +++ b/tools/objtool/builtin-check.c
> @@ -238,7 +238,7 @@ static void save_argv(int argc, const char **argv)
> for (int i = 0; i < argc; i++) {
> orig_argv[i] = strdup(argv[i]);
> if (!orig_argv[i]) {
> - WARN_GLIBC("strdup(%s)", orig_argv[i]);
> + WARN_GLIBC("strdup(%s)", argv[i]);
> exit(1);
> }
> };
> --
> 2.48.1
>
Thanks. I have applied this to the merge of the tip tree (which
include the tip-fixes tree) in linux-next today. It fixes the build
failure for me. I will apply it to the merge of the tip-fixes tree
tomorrow unless it has already been applied by then.
--
Cheers,
Stephen Rothwell
Attachment:
pgpZ9eStYYSPd.pgp
Description: OpenPGP digital signature