On Mon, May 09, 2022 at 09:17:16AM -0500, Mario Limonciello wrote: > `pcc_mailbox_probe` doesn't initialize all memory that has been allocated > before the first time that one of it's members `txdone_irq` may be > accessed. > > This leads to a an invalid load any time that this member is accessed: > [ 2.429769] UBSAN: invalid-load in drivers/mailbox/pcc.c:684:22 > [ 2.430324] UBSAN: invalid-load in drivers/mailbox/mailbox.c:486:12 > [ 4.276782] UBSAN: invalid-load in drivers/acpi/cppc_acpi.c:314:45 > > Link: https://bugzilla.kernel.org/show_bug.cgi?id=215587 > Fixes: ce028702ddbc ("mailbox: pcc: Move bulk of PCCT parsing into pcc_mbox_probe") Thanks for catching and fixing this. Reviewed-by: Sudeep Holla <sudeep.holla@xxxxxxx> -- Regards, Sudeep