From 80908fee7705cd2edb2df94c3d124c44dd515582 Mon Sep 17 00:00:00 2001 From: Maks Mishin Date: Sun, 2 Feb 2025 20:59:40 +0300 Subject: [PATCH] efi_loader: Fix potential deref-after-null After having been compared to a NULL value at efi_disk.c:426, pointer 'part_info' is dereferenced at efi_disk.c:534. Signed-off-by: Maks Mishin Reviewed-by: Heinrich Schuchardt --- lib/efi_loader/efi_disk.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lib/efi_loader/efi_disk.c b/lib/efi_loader/efi_disk.c index 1f3de0a2339..5452640354e 100644 --- a/lib/efi_loader/efi_disk.c +++ b/lib/efi_loader/efi_disk.c @@ -531,7 +531,8 @@ static efi_status_t efi_disk_add_dev( /* Store first EFI system partition */ if (part && efi_system_partition.uclass_id == UCLASS_INVALID) { - if (part_info->bootable & PART_EFI_SYSTEM_PARTITION) { + if (part_info && + part_info->bootable & PART_EFI_SYSTEM_PARTITION) { efi_system_partition.uclass_id = desc->uclass_id; efi_system_partition.devnum = desc->devnum; efi_system_partition.part = part; -- 2.39.5