[PATCH 2/6] winedmo: Avoid reading past the end of stream.

[Rémi Bernon]

From: Rémi Bernon <rbernon(a)codeweavers.com>

---
 dlls/winedmo/unixlib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/winedmo/unixlib.c b/dlls/winedmo/unixlib.c
index 431b612d7d6..fd563eef6bf 100644
--- a/dlls/winedmo/unixlib.c
+++ b/dlls/winedmo/unixlib.c
@@ -63,7 +63,7 @@ int unix_read_callback( void *opaque, uint8_t *buffer, int size )
 
     TRACE( "opaque %p, buffer %p, size %#x\n", opaque, buffer, size );
 
-    if (!size) return AVERROR_EOF;
+    if (!(size = min( (UINT64)size, context->length - context->position ))) return AVERROR_EOF;
 
     do
     {
-- 
GitLab


https://gitlab.winehq.org/wine/wine/-/merge_requests/8720