https://git.reactos.org/?p=reactos.git;a=commitdiff;h=2d419e90f92890f55d5179ff8578d274cbfcc1f4
commit 2d419e90f92890f55d5179ff8578d274cbfcc1f4 Author: Thomas Faber <[email protected]> AuthorDate: Sat Apr 20 10:49:13 2019 +0200 Commit: Thomas Faber <[email protected]> CommitDate: Wed Jul 10 10:58:47 2019 +0200 [NTOS:PNP] Reduce the default buffer size in EnumerateDevices. CORE-15882 --- ntoskrnl/io/pnpmgr/pnproot.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/ntoskrnl/io/pnpmgr/pnproot.c b/ntoskrnl/io/pnpmgr/pnproot.c index 65ea5cc937b..03ae98131d6 100644 --- a/ntoskrnl/io/pnpmgr/pnproot.c +++ b/ntoskrnl/io/pnpmgr/pnproot.c @@ -461,7 +461,8 @@ EnumerateDevices( DeviceExtension = (PPNPROOT_FDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension; KeAcquireGuardedMutex(&DeviceExtension->DeviceListLock); - KeyInfoSize = sizeof(KEY_BASIC_INFORMATION) + (MAX_PATH + 1) * sizeof(WCHAR); + /* Should hold most key names, but we reallocate below if it's too small */ + KeyInfoSize = FIELD_OFFSET(KEY_BASIC_INFORMATION, Name) + 64 * sizeof(WCHAR); KeyInfo = ExAllocatePoolWithTag(PagedPool, KeyInfoSize + sizeof(UNICODE_NULL), TAG_PNP_ROOT);
