When calling SetTimer with Type is not TimerCancel and TriggerTime is 0, gTimer is used to get the timer period. However, gTimer is NULL before EFI_TIMER_ARCH_PROTOCOL is installed. Adding the check of gTimer and return EFI_NOT_READY to avoid the hang.
Ying-Tsun Huang (1): MdeModulePkg/Core: Fix the potential hang of calling SetTimer. MdeModulePkg/Core/Dxe/DxeMain.h | 3 +++ MdeModulePkg/Core/Dxe/Event/Timer.c | 17 +++++++++++++---- 2 files changed, 16 insertions(+), 4 deletions(-) -- 2.25.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#94106): https://edk2.groups.io/g/devel/message/94106 Mute This Topic: https://groups.io/mt/93843296/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
