Changeset 99559 in vbox for trunk/include/VBox

Timestamp:

Apr 28, 2023 2:30:50 PM (20 months ago)

Author:

vboxsync

Message:

Audio: Improved range checks for audio channels (PDMAUDIO_MAX_CHANNELS).

File:

• trunk/include/VBox/vmm/pdmaudioinline.h (modified) (3 diffs)

trunk/include/VBox/vmm/pdmaudioinline.h

@@ -407 +407 @@
 DECLINLINE(void) PDMAudioPropsInit(PPDMAUDIOPCMPROPS pProps, uint8_t cbSample, bool fSigned, uint8_t cChannels, uint32_t uHz)
 {
+    Assert(cChannels <= PDMAUDIO_MAX_CHANNELS);
+
     pProps->cbFrame     = cbSample * cChannels;
     pProps->cbSampleX   = cbSample;
@@ -429 +431 @@
                                      bool fLittleEndian, bool fRaw)
 {
+    Assert(cChannels <= PDMAUDIO_MAX_CHANNELS);
     Assert(!fRaw || cbSample == sizeof(int64_t));
     pProps->cbFrame     = cbSample * cChannels;
@@ -503 +506 @@
 DECL_FORCE_INLINE(uint8_t) PDMAudioPropsChannels(PCPDMAUDIOPCMPROPS pProps)
 {
+    AssertReturn(pProps->cChannelsX <= PDMAUDIO_MAX_CHANNELS, PDMAUDIO_MAX_CHANNELS);
     return pProps->cChannelsX;
 }