8764 2024-04-16 10:00:14 +0000 check null return of ACPI_ALLOCATE_ZEROED in AcpiDbConvertToPackage 2024-04-29 09:36:21 +0000 1 1 5 ANCK ANCK 5.10 Dev drivers 5.10.y-16 All Linux CONFIRMED P3-Medium S3-normal --- 1 shile.zhang shile.zhang qinyuntan xlpang qingming.su oldest_to_newest 27293 0 shile.zhang 2024-04-16 10:00:14 +0000 (on behalf of Huai-Yuan Liu <qq810974084@gmail.com>) The memory allocation function ACPI_ALLOCATE_ZEROED does not guarantee a successful allocation, but the subsequent code directly dereferences the pointer that receives it, which may lead to null pointer dereference. To fix this issue, a null pointer check should be added. If it is null, return exception code AE_NO_MEMORY. 27294 1 shile.zhang 2024-04-16 10:20:03 +0000 The bugfix has been accepted by upstream: https://github.com/acpica/acpica/pull/946/commits/4d4547cf13cca820ff7e0f859ba83e1a610b9fd0