File: memory-allocator-dcheck-assert-fix.patch

package info (click to toggle)
chromium 141.0.7390.54-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 6,246,296 kB
  • sloc: cpp: 35,263,375; ansic: 7,169,919; javascript: 4,250,185; python: 1,460,623; asm: 950,788; xml: 751,668; pascal: 187,972; sh: 89,459; perl: 88,691; objc: 79,953; sql: 53,924; cs: 44,622; fortran: 24,137; makefile: 22,313; tcl: 15,277; php: 14,018; yacc: 8,995; ruby: 7,553; awk: 3,720; lisp: 3,096; lex: 1,330; ada: 727; jsp: 228; sed: 36
file content (22 lines) | stat: -rw-r--r-- 1,092 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
--- a/base/allocator/partition_allocator/src/partition_alloc/partition_bucket.cc
+++ b/base/allocator/partition_allocator/src/partition_alloc/partition_bucket.cc
@@ -518,6 +518,9 @@ uint8_t ComputeSystemPagesPerSlotSpanPre
        partition_page_count <= kMaxPartitionPagesPerRegularSlotSpan;
        partition_page_count++) {
     size_t candidate_size = partition_page_count * PartitionPageSize();
+    if (candidate_size > BucketIndexLookup::kMaxBucketSize) {
+      break;
+    }
     size_t waste = candidate_size % slot_size;
     if (waste <= .02 * SystemPageSize()) {
       return partition_page_count * NumSystemPagesPerPartitionPage();
@@ -534,6 +537,9 @@ uint8_t ComputeSystemPagesPerSlotSpanPre
       size_t system_page_count =
           partition_page_count * NumSystemPagesPerPartitionPage() - slack;
       size_t candidate_size = system_page_count * SystemPageSize();
+      if (candidate_size > BucketIndexLookup::kMaxBucketSize) {
+        continue;
+      }
       size_t waste = candidate_size % slot_size;
       if (waste < best_waste) {
         best_waste = waste;