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

package info (click to toggle)
chromium 145.0.7632.159-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 5,976,224 kB
  • sloc: cpp: 36,198,469; ansic: 7,634,080; javascript: 3,564,060; python: 1,649,622; xml: 838,470; asm: 717,087; pascal: 185,708; sh: 88,786; perl: 88,718; objc: 79,984; sql: 59,811; cs: 42,452; fortran: 24,101; makefile: 21,144; tcl: 15,277; php: 14,022; yacc: 9,066; ruby: 7,553; awk: 3,720; lisp: 3,233; lex: 1,328; 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;