Fix potential NULL pointer dereference

meyraud705 · slouken · commit d17b8412f131 · 2025-11-06T07:24:47.000-08:00
diff --git a/src/io/io_uring/SDL_asyncio_liburing.c b/src/io/io_uring/SDL_asyncio_liburing.c
@@ -252,7 +252,7 @@ static SDL_AsyncIOTask *ProcessCQE(LibUringAsyncIOQueueData *queuedata, struct i
             }
         }
 
-        if ((task->type == SDL_ASYNCIO_TASK_CLOSE) && task->flush) {
+        if (task && (task->type == SDL_ASYNCIO_TASK_CLOSE) && task->flush) {
             task->flush = false;
             task = NULL;  // don't return this one, it's a linked task, so it'll arrive in a later CQE.
         }

Original file line number	Diff line number	Diff line change
`@@ -252,7 +252,7 @@ static SDL_AsyncIOTask ProcessCQE(LibUringAsyncIOQueueData queuedata, struct i`
`252`	`252`	`}`
`253`	`253`	`}`
`254`	`254`
`255`		`- if ((task->type == SDL_ASYNCIO_TASK_CLOSE) && task->flush) {`
	`255`	`+ if (task && (task->type == SDL_ASYNCIO_TASK_CLOSE) && task->flush) {`
`256`	`256`	`task->flush = false;`
`257`	`257`	`task = NULL; // don't return this one, it's a linked task, so it'll arrive in a later CQE.`
`258`	`258`	`}`