diff --git a/block/io.c b/block/io.c
index b56db913da..1c23587d18 100644
--- a/block/io.c
+++ b/block/io.c
@@ -717,10 +717,10 @@ static void tracked_request_end(BdrvTrackedRequest *req)
 static void tracked_request_begin(BdrvTrackedRequest *req,
                                   BlockDriverState *bs,
                                   int64_t offset,
-                                  uint64_t bytes,
+                                  int64_t bytes,
                                   enum BdrvTrackedRequestType type)
 {
-    assert(bytes <= INT64_MAX && offset <= INT64_MAX - bytes);
+    bdrv_check_request(offset, bytes, &error_abort);
 
     *req = (BdrvTrackedRequest){
         .bs = bs,
@@ -741,8 +741,10 @@ static void tracked_request_begin(BdrvTrackedRequest *req,
 }
 
 static bool tracked_request_overlaps(BdrvTrackedRequest *req,
-                                     int64_t offset, uint64_t bytes)
+                                     int64_t offset, int64_t bytes)
 {
+    bdrv_check_request(offset, bytes, &error_abort);
+
     /*        aaaa   bbbb */
     if (offset >= req->overlap_offset + req->overlap_bytes) {
         return false;
@@ -810,8 +812,10 @@ static void tracked_request_set_serialising(BdrvTrackedRequest *req,
                                             uint64_t align)
 {
     int64_t overlap_offset = req->offset & ~(align - 1);
-    uint64_t overlap_bytes = ROUND_UP(req->offset + req->bytes, align)
-                               - overlap_offset;
+    int64_t overlap_bytes =
+        ROUND_UP(req->offset + req->bytes, align) - overlap_offset;
+
+    bdrv_check_request(req->offset, req->bytes, &error_abort);
 
     if (!req->serialising) {
         qatomic_inc(&req->bs->serialising_in_flight);
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 5bbbf9ee0a..7f41f0990c 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -79,12 +79,12 @@ enum BdrvTrackedRequestType {
 typedef struct BdrvTrackedRequest {
     BlockDriverState *bs;
     int64_t offset;
-    uint64_t bytes;
+    int64_t bytes;
     enum BdrvTrackedRequestType type;
 
     bool serialising;
     int64_t overlap_offset;
-    uint64_t overlap_bytes;
+    int64_t overlap_bytes;
 
     QLIST_ENTRY(BdrvTrackedRequest) list;
     Coroutine *co; /* owner, used for deadlock detection */