[PATCH v2] erofs-utils: lib: fix potential NULL pointer dereference in docker_config.c

[Lucas Karpinski]

On 2026-03-16 4:53 a.m., lasyaprathipati at gmail.com wrote:
> From: Sri Lasya <lasyaprathipati at gmail.com>
> 
> ---
>  lib/remotes/docker_config.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/remotes/docker_config.c b/lib/remotes/docker_config.c
> index b346ee8..6401c1b 100644
> --- a/lib/remotes/docker_config.c
> +++ b/lib/remotes/docker_config.c
> @@ -202,8 +202,10 @@ int erofs_docker_config_lookup(const char *registry,
>  		}
>  
>  		entry = json_object_iter_peek_value(&it);
> -                if (!entry)
> +                if (!entry) {
> +			json_object_iter_next(&it);
>  			continue;
> +		}
>  		if (json_object_object_get_ex(entry, "auth", &auth_field)) {
>  			b64 = json_object_get_string(auth_field);
>  			if (b64 && *b64) {
There's still a tab issue as Gao mentioned in v1. This looks like a diff
from your v1 to your v2 patch. Similarly, you also dropped your
Signed-Off and are now using a From.

Lastly, you submitted another patch just yesterday that includes this
change in addition to other changes. It is very difficult to follow what
you're doing.