[reactos] 02/02: [NTOS:IO] Initialize InterruptObject to NULL on failure

[Dmitry Borisov]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=adf534b28418fc18f66fa…

commit adf534b28418fc18f66fa1ea7cd4726a86873fba
Author:     Dmitry Borisov <di.sean(a)protonmail.com>
AuthorDate: Tue Feb 6 19:45:24 2024 +0600
Commit:     Stanislav Motylkov <x86corez(a)gmail.com>
CommitDate: Sun Feb 11 20:24:15 2024 +0300

    [NTOS:IO] Initialize InterruptObject to NULL on failure
    
    Fixes a pool corruption when trying to handle IRP_MN_REMOVE_DEVICE in the driver
    
    CORE-17256
---
 ntoskrnl/io/iomgr/irq.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ntoskrnl/io/iomgr/irq.c b/ntoskrnl/io/iomgr/irq.c
index f82d58d44c1..2fed5d1703c 100644
--- a/ntoskrnl/io/iomgr/irq.c
+++ b/ntoskrnl/io/iomgr/irq.c
@@ -112,6 +112,7 @@ IoConnectInterrupt(OUT PKINTERRUPT *InterruptObject,
                 }
 
                 /* And fail */
+                *InterruptObject = NULL;
                 return STATUS_INVALID_PARAMETER;
             }