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llvm / scudo / 1a8c2b8e33fae21bca069848d0715db3d9b485df
commit1a8c2b8e33fae21bca069848d0715db3d9b485df[log] [tgz]
authorAndrei Homescu <ahomescu@google.com>Thu Feb 29 15:05:47 2024 -0800
committerCopybara-Service <copybara-worker@google.com>Thu Feb 29 15:10:48 2024 -0800
treed2067e81c380db531d97803e26cee26d7976135d
parentbd1fc0160f80f94722d1cb43063ae97ae7b78879 [diff]
[scudo] Avoid splitting aligned allocations on Trusty (#69281)

Don't use multiple tagged pages at the beginning of an allocation, since
it prevents using such allocations for memrefs, and mappings aren't
reused anyway since Trusty uses MapAllocatorNoCache.
Upstreamed from https://r.android.com/2537251.

Co-authored-by: Marco Nelissen <marcone@google.com>
GitOrigin-RevId: bf0f874e4883a98ab69cff3da323713a5fe80dfd
1 file changed
tree: d2067e81c380db531d97803e26cee26d7976135d
  1. benchmarks/
  2. fuzz/
  3. include/
  4. tests/
  5. tools/
  6. allocator_common.h
  7. allocator_config.h
  8. atomic_helpers.h
  9. bytemap.h
  10. checksum.cpp
  11. checksum.h
  12. chunk.h
  13. combined.h
  14. common.cpp
  15. common.h
  16. condition_variable.h
  17. condition_variable_base.h
  18. condition_variable_linux.cpp
  19. condition_variable_linux.h
  20. crc32_hw.cpp
  21. flags.cpp
  22. flags.h
  23. flags.inc
  24. flags_parser.cpp
  25. flags_parser.h
  26. fuchsia.cpp
  27. fuchsia.h
  28. internal_defs.h
  29. LICENSE.TXT
  30. linux.cpp
  31. linux.h
  32. list.h
  33. local_cache.h
  34. mem_map.cpp
  35. mem_map.h
  36. mem_map_base.h
  37. mem_map_fuchsia.cpp
  38. mem_map_fuchsia.h
  39. mem_map_linux.cpp
  40. mem_map_linux.h
  41. memtag.h
  42. mutex.h
  43. options.h
  44. platform.h
  45. primary32.h
  46. primary64.h
  47. quarantine.h
  48. release.cpp
  49. release.h
  50. report.cpp
  51. report.h
  52. report_linux.cpp
  53. report_linux.h
  54. secondary.h
  55. size_class_map.h
  56. stack_depot.h
  57. stats.h
  58. string_utils.cpp
  59. string_utils.h
  60. thread_annotations.h
  61. timing.cpp
  62. timing.h
  63. trusty.cpp
  64. trusty.h
  65. tsd.h
  66. tsd_exclusive.h
  67. tsd_shared.h
  68. vector.h
  69. wrappers_c.cpp
  70. wrappers_c.h
  71. wrappers_c.inc
  72. wrappers_c_bionic.cpp
  73. wrappers_c_checks.h
  74. wrappers_cpp.cpp