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| author | Maks Mishin <maks.mishinfz@gmail.com> | 2025-02-02 20:59:40 +0300 |
|---|---|---|
| committer | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2025-02-20 09:04:12 +0100 |
| commit | 80908fee7705cd2edb2df94c3d124c44dd515582 (patch) | |
| tree | 9c163eb9d360f5e4614cc7fbbf0269e2e5531b84 /lib/efi_loader/efi_disk.c | |
| parent | 87ef1987de3a47910b5b0a8fd84e1b928e56ceb9 (diff) | |
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 <maks.mishinFZ@gmail.com>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Diffstat (limited to 'lib/efi_loader/efi_disk.c')
| -rw-r--r-- | lib/efi_loader/efi_disk.c | 3 |
1 files changed, 2 insertions, 1 deletions
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; |