[PATCH v3 1/2] riscv: Safely remove entries from relocation list

Andreas Schwab schwab at linux-m68k.org
Mon Nov 27 02:42:08 PST 2023


On Nov 22 2023, Charlie Jenkins wrote:

> @@ -683,17 +700,29 @@ int add_relocation_to_accumulate(struct module *me, int type, void *location,
>  
>  	if (!found) {
>  		rel_head = kmalloc(sizeof(*rel_head), GFP_KERNEL);
> +
> +		if (!rel_head)
> +			return -ENOMEM;
> +
>  		rel_head->rel_entry =
>  			kmalloc(sizeof(struct list_head), GFP_KERNEL);
> +
> +		if (!rel_head->rel_entry)
> +			return -ENOMEM;

This leaks rel_head on error.

-- 
Andreas Schwab, schwab at linux-m68k.org
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