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| author |   Pei Xiao <xiaopei01@kylinos.cn> | 2024-07-18 14:05:48 +0800 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2024-08-02 16:51:07 +0200 |
| commit | a5242874488eba2b9062985bf13743c029821330 (patch) | |
| tree | 6d96a802eed4bb6feae2cfd6d19d8f0b9c1528e3 | |
| parent | Linux 6.11-rc1 (diff) | |
| download | wireguard-linux-a5242874488eba2b9062985bf13743c029821330.tar.xz wireguard-linux-a5242874488eba2b9062985bf13743c029821330.zip | |
ACPICA: check null return of ACPI_ALLOCATE_ZEROED() in acpi_db_convert_to_package()
ACPICA commit 4d4547cf13cca820ff7e0f859ba83e1a610b9fd0
ACPI_ALLOCATE_ZEROED() may fail, elements might be NULL and will cause
NULL pointer dereference later.
Link: https://github.com/acpica/acpica/commit/4d4547cf
Signed-off-by: Pei Xiao <xiaopei01@kylinos.cn>
Link: https://patch.msgid.link/tencent_4A21A2865B8B0A0D12CAEBEB84708EDDB505@qq.com
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| -rw-r--r-- | drivers/acpi/acpica/dbconvert.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/dbconvert.c b/drivers/acpi/acpica/dbconvert.c index 2b84ac093698..8dbab6932049 100644 --- a/drivers/acpi/acpica/dbconvert.c +++ b/drivers/acpi/acpica/dbconvert.c @@ -174,6 +174,8 @@ acpi_status acpi_db_convert_to_package(char *string, union acpi_object *object) elements = ACPI_ALLOCATE_ZEROED(DB_DEFAULT_PKG_ELEMENTS * sizeof(union acpi_object)); + if (!elements) + return (AE_NO_MEMORY); this = string; for (i = 0; i < (DB_DEFAULT_PKG_ELEMENTS - 1); i++) { |