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gstreamer: bufferlist: Check for out of range indices before trying to get buffer

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Passing an index bigger than the length will cause an assertion in the C
function.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1444>
This commit is contained in:
Sebastian Dröge 2024-05-21 08:11:41 +03:00
parent 1b537c17c8
commit 9f151466b7
1 changed files with 12 additions and 11 deletions
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23
gstreamer/src/bufferlist.rs
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@ -50,20 +50,22 @@ impl BufferListRef {
#[doc(alias = "gst_buffer_list_get")]
pub fn get(&self, idx: u32) -> Option<&BufferRef> {
unsafe {
let ptr = ffi::gst_buffer_list_get(self.as_mut_ptr(), idx);
if ptr.is_null() {
None
} else {
Some(BufferRef::from_ptr(ptr))
if idx as usize >= self.len() {
return None;
}
let ptr = ffi::gst_buffer_list_get(self.as_mut_ptr(), idx);
Some(BufferRef::from_ptr(ptr))
}
}
#[doc(alias = "gst_buffer_list_get")]
pub fn get_owned(&self, idx: u32) -> Option<Buffer> {
unsafe {
if idx as usize >= self.len() {
return None;
}
let ptr = ffi::gst_buffer_list_get(self.as_mut_ptr(), idx);
from_glib_none(ptr)
Some(from_glib_none(ptr))
}
}
@ -71,12 +73,11 @@ impl BufferListRef {
#[doc(alias = "get_writable")]
pub fn get_mut(&mut self, idx: u32) -> Option<&mut BufferRef> {
unsafe {
let ptr = ffi::gst_buffer_list_get_writable(self.as_mut_ptr(), idx);
if ptr.is_null() {
None
} else {
Some(BufferRef::from_mut_ptr(ptr))
if idx as usize >= self.len() {
return None;
}
let ptr = ffi::gst_buffer_list_get_writable(self.as_mut_ptr(), idx);
Some(BufferRef::from_mut_ptr(ptr))
}
}