[PATCH v2 2/2] efi_loader: efi_net: let efi_net_set_dp properly update the device path
Tom Rini
trini at konsulko.com
Fri Dec 6 19:44:38 CET 2024
On Fri, Dec 06, 2024 at 02:18:35PM -0300, Adriano Cordova wrote:
> This commit fixes an use after free introduced in Commit e55a4acb54
> (" efi_loader: net: set EFI bootdevice device path to HTTP when loaded
> from wget"). The logic in efi_net_set_dp is reworked so that when the
> function is invoked it not only changes the value of the static variable
> net_dp (this is how the function was implemented in e55a4acb54) but also
> updates the protocol interface of the device path protocol in case efi
> has started.
>
> Fixes: e55a4acb54e8 ("efi_loader: net: set EFI bootdevice device path to HTTP when loaded from wget")
> Signed-off-by: Adriano Cordova <adriano.cordova at canonical.com>
Reported-by: Tom Rini <trini at konsulko.com>
Tested-by: Tom Rini <trini at konsulko.com>
--
Tom
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