> On 1 Dec 2025, at 3:11 PM, Avnish Chouhan <[email protected]> wrote:
> 
> Adding a fix for memory leaks. In case of overflow check fails, 
> not freeing 'p' and 'p->grub_devpath' will result in memory leaks.
> 
> Signed-off-by: Avnish Chouhan <[email protected]>


Reviewed-by: Sudhakar Kuppusamy <[email protected]>


Thanks,
Sudhakar  
> ---
> grub-core/disk/ieee1275/ofdisk.c | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/grub-core/disk/ieee1275/ofdisk.c 
> b/grub-core/disk/ieee1275/ofdisk.c
> index dbc0f1a..3a90a71 100644
> --- a/grub-core/disk/ieee1275/ofdisk.c
> +++ b/grub-core/disk/ieee1275/ofdisk.c
> @@ -93,6 +93,7 @@ ofdisk_hash_add_real (char *devpath)
>       grub_add (sz, sizeof ("ieee1275/"), &sz))
>     {
>       grub_error (GRUB_ERR_OUT_OF_RANGE, N_("overflow detected while 
> obtaining size of device path"));
> +      grub_free (p);
>       return NULL;
>     }
> 
> @@ -108,8 +109,10 @@ ofdisk_hash_add_real (char *devpath)
>     {
>       if (grub_add (grub_strlen (p->devpath), 3, &sz))
> {
> -  grub_error (GRUB_ERR_OUT_OF_RANGE, N_("overflow detected while obtaining 
> size of an open path"));
> -  return NULL;
> +          grub_error (GRUB_ERR_OUT_OF_RANGE, N_("overflow detected while 
> obtaining size of an open path"));
> +          grub_free (p->grub_devpath);
> +          grub_free (p);
> +          return NULL;
> }
> 
>       p->open_path = grub_malloc (sz);
> -- 
> 2.52.0
> 
> 
> _______________________________________________
> Grub-devel mailing list
> [email protected]
> https://lists.gnu.org/mailman/listinfo/grub-devel


_______________________________________________
Grub-devel mailing list
[email protected]
https://lists.gnu.org/mailman/listinfo/grub-devel

Reply via email to